General Information of This Linker
Linker ID
LIN0EBJON
Linker Name
Succinimidyl-4-(N-maleimidomethyl)cyclohexane-1-carboxylate (SMCC)
Linker Type
Flexible dual-reactive (amino/thiol) linker
Antibody-Linker Relation
Uncleavable
Structure
Formula
C16H18N2O6
Isosmiles
C1CC(CCC1CN2C(=O)C=CC2=O)C(=O)ON3C(=O)CCC3=O
PubChem CID
125175
InChI
InChI=1S/C16H18N2O6/c19-12-5-6-13(20)17(12)9-10-1-3-11(4-2-10)16(23)24-18-14(21)7-8-15(18)22/h5-6,10-11H,1-4,7-9H2
InChIKey
JJAHTWIKCUJRDK-UHFFFAOYSA-N
IUPAC Name
(2,5-dioxopyrrolidin-1-yl) 4-[(2,5-dioxopyrrol-1-yl)methyl]cyclohexane-1-carboxylate
Pharmaceutical Properties
Molecule Weight
334.32
Polar area
101
Complexity
599
xlogp Value
-0.1
Heavy Count
24
Rot Bonds
5
Hbond acc
6
Hbond Donor
0
Each Antibody-drug Conjugate Related to This Linker
Full Information of The Activity Data of The ADC(s) Related to This Linker
Trastuzumab emtansine [Approved in 2013]
Identified from the Human Clinical Data
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Objective Response Rate (ORR)
21.40%
Positive HER2 expression (HER2 +++/++)
Patients Enrolled
Untreated, asymptomatic BM or controlled brain disease treated with radiotherapy >14 days before enrollment; had received prior HER2-targeted therapy and chemotherapy; and had progressed on or after their most recent treatment of advanced breast cancer.
Administration Dosage
3.6 mg/kg intravenously every 3 weeks.
Related Clinical Trial
NCT Number NCT01702571  Clinical Status Phase 3
Clinical Description
A two-cohort, open-label, multicenter study of trastuzumab emtansine (T-DM1) in HER2-positive locally advanced or metastatic breast cancer patients who have received prior anti-HER2 and chemotherapy-based treatment.
Primary Endpoint
Objective response rate=21.40% (95% CI 14.60-29.60), clinical benefit rate=42.90% (95% CI 34.10-52.00).
Other Endpoint
Median PFS=5.50 months (95% CI, 5.30-5.60), overall survival =18.90 months (95% CI, 17.10-21.30).
Experiment 2 Reporting the Activity Date of This ADC [2]
Efficacy Data Objective Response Rate (ORR)
5.10%
Positive HER2 expression (HER2+++/++)
Patients Enrolled
HER2 positive advanced urothelial bladder cancer or pancreatic cancer/cholangiocarcinoma
Administration Dosage
Received singleagent TDM1 2.4 mg/kg once weekly (qw) or 3.6 mg/kg every 3 weeks (q3w).
Related Clinical Trial
NCT Number NCT02999672  Clinical Status Phase 2
Clinical Description
A study to determine best tumor response with trastuzumab emtansine in human epidermal growth factor receptor 2 (HER2) overexpressing solid tumors (KAMELEON).
Primary Endpoint
BOR, Urothelial bladder cancer (n=13); PR N=5 (38.46%);SD N=1 (7.7%);PD N=6 (46.2%);NE N=1 (7.69%). Pancreatic cancer/cholangiocarcinoma (n=7) PR N=1 (14.29%);SD N=3 (42.86%);PD N=2 (28.57%); NE N=1 (14.29%).
Other Endpoint
PFS, Urothelial bladder cancer (n=13), Median PFS, months (95% CI) 2.20 (1.18-4.30), Median OS, months (95% CI) 7.03 (3.75-NE). Pancreatic cancer/cholangiocarcinoma (n=7), Median PFS, months (95% CI) 2.58 (1.31-9.99), Median OS, months (95% CI) NE (1.45-NE).
Experiment 3 Reporting the Activity Date of This ADC [3]
Efficacy Data Objective Response Rate (ORR)
5.60%
Patients Enrolled
38 patients were enrolled and 36 included in efficacy analysis.Patients were treated with the standard intravenous dosing of T- DM1, that is 3.6mg/kg every 3 weeks for a 21-day cycle.
Administration Dosage
3.6 mg/kg every 3 weeks for a 21-day cycle, until toxicity or progression.
Related Clinical Trial
NCT Number NCT02465060  Clinical Status Phase 2
Clinical Description
Targeted therapy directed by genetic testing in treating patients with advanced refractory solid tumors, lymphomas, or multiple myeloma (the MATCH screening trial).
Primary Endpoint
ORR was 2/36 (5.56%) with 90% confidence interval (90% CI, 1.00% to 16.50%)
Other Endpoint
PFS=23.60%.
Experiment 4 Reporting the Activity Date of This ADC [4]
Efficacy Data Objective Response Rate (ORR)
45%
Positive HER2 expression (HER2 +++/++)
Patients Enrolled
An Eastern Cooperative Oncology Group performance status of 0 or 1 and centrally confirmed, measurable, HER2-positive advanced breast cancer previously treated with trastuzumab and a taxane.
Administration Dosage
3.6 mg/kg ( trastuzumab emtansine) and 1200 mg (Atezolizumab) intravenously every 3 weeks.
Related Clinical Trial
NCT Number NCT02924883  Clinical Status Phase 2
Clinical Description
A randomized, multicenter, double-blind, placebo-controlled phase II study of the efficacy and safety of trastuzumab emtansine in combination with atezolizumab or atezolizumab-placebo in patients with HER2-positive locally advanced or metastatic breast cancer who have received prior trastuzumab and taxane based therapy.
Primary Endpoint
Median PFS=8.20 months (95% CI 5.80-10.70).
Other Endpoint
Median overall survival was not estimable (95% CI NE-NE); Objective response rate=45.00% (95% CI 28.06-50.30).
Experiment 5 Reporting the Activity Date of This ADC [5]
Efficacy Data Objective Response Rate (ORR)
20%
High HER2 expression (HER2+++)
Patients Enrolled
HER2-positive, metastatic breast cancer previously treated with taxane, trastuzumab, and pertuzumab, and were T-DM1-nave.
Administration Dosage
The study consisted of a dose de-escalation (dose-finding) cohort, followed by an expansion cohort at the recommended phase II dose (RP2D), T-DM1 3.60 mg/kg intravenously every 21 days, and pembrolizumab 200mg intravenously every 21 days, if one or fewer DLTs were noted in the first six patients at that dose level, it would be declared the RP2D.
Related Clinical Trial
NCT Number NCT03032107  Clinical Status Phase 1b
Clinical Description
A phase 1b study of pembrolizumab in combination with trastuzumab-dm1 in metastatic HER2-positive breast cancer.
Primary Endpoint
OrR=20.00% (95% CI 5.70%-43.70%), and median PFS=9.60 months (95%CI 2.80-16.00 months).
Other Endpoint
There were no dose-limiting toxicities. The RP2D was 3.60 mg/kg T-DM1 plus 200 mg pembrolizumab every 21 days.
Experiment 6 Reporting the Activity Date of This ADC [6]
Patients Enrolled
Newly diagnosed, HER2-positive, nonmetastatic, histologically confirmed, operable primary invasive breast carcinoma.
Administration Dosage
T-DM1 was dosed at 3.60 mg/kg once every 3 weeks. Trastuzumab was dosed at 6 mg/kg once every 3 weeks after an 8 mg/kg loading dose and started concurrently with the taxane. Pertuzumab was dosed at 420 mg once every 3 weeks after an 840 mg loading dose and administered concurrently with T-DM1 or trastuzumab-plus-taxane. An interval of 3 weeks from the last dose of anthracycline to initiation of HER2-targeted therapy was required. After the taxane-concurrent phase in the trastuzumab-containing arm, trastuzumab-plus-pertuzumab was continued for 1 year. In the T-DM1containing arm, T-DM1-plus-pertuzumab was continued for 1 year.

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Related Clinical Trial
NCT Number NCT01966471  Clinical Status Phase 3
Clinical Description
A randomized, multicenter, open-label, phase 3 trial comparing trastuzumab plus pertuzumab plus a taxane following anthracyclines versus trastuzumab emtansine plus pertuzumab following anthracyclines as adjuvant therapy in patients with operable HER2-positive primary breast cancer.
Primary Endpoint
82 (9.90%) IDFS events had occurred in the AC-THP arm and 80 (9.60%) had occurred in the AC-KP arm.
Other Endpoint
3-year IDFS rates were 94.10% (95% CI, 92.50 to 95.70) with AC-THP and 92.80% (95% CI, 91.00 to 94.50) with AC-KP.
Discovered Using Patient-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 1.10% Low HER2 expression (HER2+)
Method Description
The antitumor activity of T-DM1 was evaluated in various patient-derived xenograft models with different HER2 expression levels. Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model Breast cancer PDX model (PDX: ST565)
Experiment 2 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 19.20% Low HER2 expression (HER2+)
Method Description
The antitumor activity of T-DM1 was evaluated in various patient-derived xenograft models with different HER2 expression levels. Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model Breast cancer PDX model (PDX: ST313)
Experiment 3 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 37.60% High HER2 expression (HER2+++)
Method Description
The antitumor activity of T-DM1 was evaluated in various patient-derived xenograft models with different HER2 expression levels. Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model Gastric cancer PDX model (PDX model: NIBIO G016)
Experiment 4 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 85.20% Moderate HER2 expression (HER2++)
Method Description
The antitumor activity of T-DM1 was evaluated in various patient-derived xenograft models with different HER2 expression levels. Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model Breast cancer PDX model (PDX: ST225)
Experiment 5 Reporting the Activity Date of This ADC [8]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.40% Positive HER2 expression (HER2+++/++)
Method Description
T-DM1 (Genentech) was administered i.p. at 10 mg/kg once per week.
In Vivo Model Breast cancer PDX model (PDX: PDX12)
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 36 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 7.10% Low HER2 expression (HER2+)
Method Description
The antitumor activity of T-DM1 was evaluated in various mice xenograft models with different HER2 expression levels; CFPAC-1 (low-expression). Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model CFPAC-1 cell line xenograft model
In Vitro Model Cystic fibrosis CFPAC-1 cells CVCL_1119
Experiment 2 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 15.50% High HER2 expression (HER2+++)
Method Description
The activity of trastuzumab-MCC-DM1 was further investigated in trastuzumab-insensitive mouse xenograft model. After transplantation of MMTV-HER2 Fo5 mammary tumor explants, tumor-bearing nude mice (n = 8 mice per group) were treated once every 3 weeks with 1 mg/kg trastuzmab-MCC-DM1.
In Vivo Model MMTV-HER2 Fo5 CDX model (Trastuzumab resistant)
In Vitro Model Breast cancer MMTV-HER2 cells Mus musculus
Experiment 3 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 27.10% High HER2 expression (HER2+++)
Method Description
Naive female beige nude XID mice were inoculated in the mammary fat pad with 20 million tumor cells suspended in 50% phenol redfree Matrigel mixed with culture medium. All animals were randomly assigned into treatment groups, such that the mean tumor volume for each group was 100 to 200 mm3. Nude mice with established tumors were dosed i.v. with Tmab-MCC-DM1 0.3 mg/kg for a total of three injections.

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In Vivo Model Trastuzumab-resistant breast cancer CDX model
In Vitro Model Invasive breast carcinoma of no special type BT-474 EEI cells CVCL_AR96
Experiment 4 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 31.70% Low HER2 expression (HER2+)
Method Description
The antitumor activity of T-DM1 was evaluated in various mice xenograft models with different HER2 expression levels; Capan-1 (weak positive). Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model Capan-1 cell line xenograft model
In Vitro Model Pancreatic ductal adenocarcinoma Capan-1 cells CVCL_0237
Experiment 5 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 33.10% Negative HER2 expression (HER2-)
Method Description
The antitumor activity of T-DM1 was evaluated in various mice xenograft models with different HER2 expression levels; GCIY (negative). Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model GCIY cell line xenograft model
In Vitro Model Gastric adenocarcinoma GCIY cells CVCL_1228
Experiment 6 Reporting the Activity Date of This ADC [10]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 36% Positive HER2 expression (HER2+++/++)
Method Description
Subcutaneous injection of 100,000 cells mixed in 200 mL PBS solution was performed. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 at a dose of 300 mg/kg via IP injection.
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 7 Reporting the Activity Date of This ADC [10]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 36% Low HER2 expression (HER2 +)
Method Description
SW48, HT-29 and LS174T cells were injected into null mice subcutaneously, followed by treatment with cetuximab, trastuzumab and T-DM1. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 at a dose of 300 mg/kg via IP injection.
In Vivo Model SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 8 Reporting the Activity Date of This ADC [11]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 42% Low HER2 expression (HER2+)
Method Description
Subcutaneous injection of 100,000 cells mixed in 200 mL PBS solution was performed. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 (30 mg/kg, once per week i.p.) for 8 weeks.
In Vivo Model 11-18 CDX model
In Vitro Model Lung adenocarcinoma 11-18 cells CVCL_6659
Experiment 9 Reporting the Activity Date of This ADC [11]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 42% Low HER2 expression (HER2 +)
Method Description
11-18 cells (4,000,000 ) and HCC827 cells (2,000,000 ) were injected subcutaneously into the backs on both sides of the mice. T-DM1 (30 mg/kg, once per week i.p.) for 8 weeks.
In Vivo Model 11-18 CDX model
In Vitro Model Lung adenocarcinoma 11-18 cells CVCL_6659
Experiment 10 Reporting the Activity Date of This ADC [12]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 43.30% Positive HER2 expression (HER2 +++/++)
Method Description
Trastuzumab-emtansine (3 mg/kg, every seven days 4) induces efficient tumor cell killing in cell line-derived models of BT-474/R1-7 cells with HER2 expression with high expression.
In Vivo Model BT-474 CDX model (T-DM1 resistant)
In Vitro Model Invasive breast carcinoma BT-474 cells (Trastuzumab emtansine resistant) CVCL_0179
Experiment 11 Reporting the Activity Date of This ADC [12]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 45% Positive HER2 expression (HER2 +++/++)
Method Description
Trastuzumab-emtansine (3 m ug/kg, every seven days x3) induces efficient tumor cell killing in cell line-derived models of SK-OV-3 cells with HER2 expression with high expression.
In Vivo Model SK-OV-3 CDX model (Expressing YES1 Y537F)
In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells (YES1 Y537F expression) CVCL_0532
Experiment 12 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 45.50% High HER2 expression (HER2+++)
Method Description
Naive female beige nude XID mice were inoculated in the mammary fat pad with 20 million tumor cells suspended in 50% phenol redfree Matrigel mixed with culture medium. All animals were randomly assigned into treatment groups, such that the mean tumor volume for each group was 100 to 200 mm3. Nude mice with established tumors were dosed i.v. with Tmab-MCC-DM1 1 mg/kg for a total of three injections.

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In Vivo Model Trastuzumab-resistant breast cancer CDX model
In Vitro Model Invasive breast carcinoma of no special type BT-474 EEI cells CVCL_AR96
Experiment 13 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 46.20% High HER2 expression (HER2+++)
Method Description
The activity of trastuzumab-MCC-DM1 was further investigated in trastuzumab-insensitive mouse xenograft model. After transplantation of MMTV-HER2 Fo5 mammary tumor explants, tumor-bearing nude mice (n = 8 mice per group) were treated once every 3 weeks with 3 mg/kg trastuzmab-MCC-DM1.
In Vivo Model MMTV-HER2 Fo5 CDX model (Trastuzumab resistant)
In Vitro Model Breast cancer MMTV-HER2 cells Mus musculus
Experiment 14 Reporting the Activity Date of This ADC [10]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 55% Positive HER2 expression (HER2+++/++)
Method Description
Subcutaneous injection of 100,000 cells mixed in 200 mL PBS solution was performed. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 at a dose of 300 mg/kg via IP injection.
In Vivo Model HT-29 CDX model
In Vitro Model Colon adenocarcinoma HT-29 cells CVCL_0320
Experiment 15 Reporting the Activity Date of This ADC [10]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 55% Moderate HER2 expression (HER2 ++)
Method Description
SW48, HT-29 and LS174T cells were injected into null mice subcutaneously, followed by treatment with cetuximab, trastuzumab and T-DM1. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 at a dose of 300 mg/kg via IP injection.
In Vivo Model HT-29 CDX model
In Vitro Model Colon adenocarcinoma HT-29 cells CVCL_0320
Experiment 16 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 58.50% Moderate HER2 expression (HER2++)
Method Description
The antitumor activity of T-DM1 was evaluated in various mice xenograft models with different HER2 expression levels; JIMT-1 (moderate positive). Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model JIMT-1 cell line xenograft model
In Vitro Model Breast ductal carcinoma JIMT-1 cells CVCL_2077
Experiment 17 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 58.70% High HER2 expression (HER2+++)
Method Description
Naive female beige nude XID mice were inoculated in the mammary fat pad with 20 million tumor cells suspended in 50% phenol redfree Matrigel mixed with culture medium. All animals were randomly assigned into treatment groups, such that the mean tumor volume for each group was 100 to 200 mm3. Nude mice with established tumors were dosed i.v. with Tmab-MCC-DM1 3 mg/kg for a total of three injections.

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In Vivo Model Trastuzumab-resistant breast cancer CDX model
In Vitro Model Invasive breast carcinoma of no special type BT-474 EEI cells CVCL_AR96
Experiment 18 Reporting the Activity Date of This ADC [11]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 63% Positive HER2 expression (HER2+++/++)
Method Description
Subcutaneous injection of 100,000 cells mixed in 200 mL PBS solution was performed. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 (30 mg/kg, once per week i.p.) for 8 weeks.
In Vivo Model H3255 CDX model
In Vitro Model Lung adenocarcinoma NCI-H3255 cells CVCL_6831
Experiment 19 Reporting the Activity Date of This ADC [11]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 63% High HER2 expression (HER2 +++)
Method Description
T-DM1 (30 mg/kg, once per week i.p.) for 8 weeks,.
In Vivo Model H3255 CDX model
In Vitro Model Lung adenocarcinoma NCI-H3255 cells CVCL_6831
Experiment 20 Reporting the Activity Date of This ADC [10]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 63.30% High HER2 expression (HER2 +++)
Method Description
SW48, HT-29 and LS174T cells were injected into null mice subcutaneously, followed by treatment with cetuximab, trastuzumab and T-DM1. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 at a dose of 300 mg/kg via IP injection.
In Vivo Model LS174T CDX model
In Vitro Model Colon adenocarcinoma LS174T cells CVCL_1384
Experiment 21 Reporting the Activity Date of This ADC [11]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 66.70% Low HER2 expression (HER2+)
Method Description
Subcutaneous injection of 100,000 cells mixed in 200 mL PBS solution was performed. Two weeks after tumour cell injection, mice were treated with trastuzumab, cetuximab or T-DM1 (30 mg/kg, once per week i.p.) for 8 weeks.
In Vivo Model HCC827 CDX model
In Vitro Model Lung adenocarcinoma HCC827 cells CVCL_2063
Experiment 22 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 74% High HER2 expression (HER2+++)
Method Description
The activity of trastuzumab-MCC-DM1 was further investigated in trastuzumab-insensitive mouse xenograft model. After transplantation of MMTV-HER2 Fo5 mammary tumor explants, tumor-bearing nude mice (n = 8 mice per group) were treated once every 3 weeks with 10 mg/kg trastuzmab-MCC-DM1.
In Vivo Model MMTV-HER2 Fo5 CDX model (Trastuzumab resistant)
In Vitro Model Breast cancer MMTV-HER2 cells Mus musculus
Experiment 23 Reporting the Activity Date of This ADC [13]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 76.54% Positive HER2 expression (HER2+++/++)
Method Description
Inoculate 150 mice with KPL-4 cells at 3 million cells/mouse suspended in HBSS/matrigel, in the thoracic mammary fat pad at a volume of 0.2 ml. When tumors have reached a mean tumor volume of 100-250 mm3, they will be grouped out into 10 groups of 8-10 mice each. A single treatment will be administered intravenously (1 mg/kg) via the tail vein on Day 0.

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In Vivo Model KPL-4 CDX model
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 24 Reporting the Activity Date of This ADC [13]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 82.90% Positive HER2 expression (HER2+++/++)
Method Description
Inoculate 150 mice with KPL-4 cells at 3 million cells/mouse suspended in HBSS/matrigel, in the thoracic mammary fat pad at a volume of 0.2 ml. When tumors have reached a mean tumor volume of 100-250 mm3, they will be grouped out into 10 groups of 8-10 mice each. A single treatment will be administered intravenously (ADC-211, 1 mg/kg plus ADC-106, 5 mg/kg) via the tail vein on Day 0.

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In Vivo Model KPL-4 CDX model
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 25 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 83.90% High HER2 expression (HER2+++)
Method Description
Mice bearing mammary tumor transplants from the MMTV-HER2 Fo5 line were given a single iv injection (10 mg/kg) of Tmab-SPP-DM1, Tmab-SSNPP-DM3, Tmab-SSNPP-DM4, Tmab-MCC-DM1, or vehicle (n=7 mice per group), and tumor growth was monitored for 25 days.
In Vivo Model MMTV-HER2 Fo5 CDX model (Trastuzumab resistant)
In Vitro Model Breast cancer MMTV-HER2 cells Mus musculus
Experiment 26 Reporting the Activity Date of This ADC [13]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 84.39% Positive HER2 expression (HER2+++/++)
Method Description
Inoculate 150 mice with KPL-4 cells at 3 million cells/mouse suspended in HBSS/matrigel, in the thoracic mammary fat pad at a volume of 0.2 ml. When tumors have reached a mean tumor volume of 100-250 mm3, they will be grouped out into 10 groups of 8-10 mice each. A single treatment will be administered intravenously (ADC-211, 1 mg/kg plus ADC-106, 1 mg/kg) via the tail vein on Day 0.

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In Vivo Model KPL-4 CDX model
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 27 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 88.70% High HER2 expression (HER2+++)
Method Description
The activity of trastuzumab-MCC-DM1 was further investigated in trastuzumab-insensitive mouse xenograft model. After transplantation of MMTV-HER2 Fo5 mammary tumor explants, tumor-bearing nude mice (n = 8 mice per group) were treated once every 3 weeks with 15 mg/kg trastuzmab-MCC-DM1.
In Vivo Model MMTV-HER2 Fo5 CDX model (Trastuzumab resistant)
In Vitro Model Breast cancer MMTV-HER2 cells Mus musculus
Experiment 28 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.10% High HER2 expression (HER2+++)
Method Description
The activity of trastuzumab-MCC-DM1 was further investigated in trastuzumab-insensitive mouse xenograft model. After transplantation of MMTV-HER2 Fo5 mammary tumor explants, tumor-bearing nude mice (n = 8 mice per group) were treated once every 3 weeks with 30 mg/kg trastuzmab-MCC-DM1.
In Vivo Model MMTV-HER2 Fo5 CDX model (Trastuzumab resistant)
In Vitro Model Breast cancer MMTV-HER2 cells Mus musculus
Experiment 29 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.70% High HER2 expression (HER2+++)
Method Description
Naive female beige nude XID mice were inoculated in the mammary fat pad with 20 million tumor cells suspended in 50% phenol redfree Matrigel mixed with culture medium. All animals were randomly assigned into treatment groups, such that the mean tumor volume for each group was 100 to 200 mm3. Nude mice with established tumors were dosed i.v. with Tmab-MCC-DM1 10 mg/kg for a total of three injections.

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In Vivo Model Trastuzumab-resistant breast cancer CDX model
In Vitro Model Invasive breast carcinoma of no special type BT-474 EEI cells CVCL_AR96
Experiment 30 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 92.30% High HER2 expression (HER2+++)
Method Description
KPL-4 human breast tumor cells were inoculated (3 million cells per mouse, in Matrigel) into the mammary fat pads of SCID beige mice. All animals were randomly assigned into treatment groups, such that the mean tumor volume for each group was 100 to 200 mm3. Trastuzumab-maytansinoid conjugates were given by single 15 mg/kg iv injection.
In Vivo Model Breast cancer CDX model
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 31 Reporting the Activity Date of This ADC [9]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 98.70% High HER2 expression (HER2+++)
Method Description
Naive female beige nude XID mice were inoculated in the mammary fat pad with 20 million tumor cells suspended in 50% phenol redfree Matrigel mixed with culture medium. All animals were randomly assigned into treatment groups, such that the mean tumor volume for each group was 100 to 200 mm3. Nude mice with established tumors were dosed i.v. with Tmab-MCC-DM1 15 mg/kg for a total of three injections.

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In Vivo Model Trastuzumab-resistant breast cancer CDX model
In Vitro Model Invasive breast carcinoma of no special type BT-474 EEI cells CVCL_AR96
Experiment 32 Reporting the Activity Date of This ADC [7]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 99.40% High HER2 expression (HER2+++)
Method Description
The antitumor activity of T-DM1 was evaluated in various mice xenograft models with different HER2 expression levels; KPL-4 (strong positive). Each cell suspension or tumor fragment was inoculated subcutaneously into specific pathogen-free female nude mice.The tumor-bearing mice were randomized into treatment and control groups based on the tumor volumes, and dosing was initiated on day 0. In this group, 10 mg/kg T-DM1 was i.v. to the tumor-bearing mice.

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In Vivo Model KPL-4 cell line xenograft model
In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 33 Reporting the Activity Date of This ADC [14]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% High HER2 expression (HER2+++)
Method Description
Mice were inoculated subcutaneously in the right flank with either 5x106 cells/mouse of BTC cell line KKU-100, mice were randomized to the control group or treatment with T-DM1 20 mg/kg groups.
In Vivo Model KMCH-1 CDX model
In Vitro Model Combined hepatocellular carcinoma and cholangiocarcinoma KMCH-1 cells CVCL_7970
Experiment 34 Reporting the Activity Date of This ADC [15]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive HER2 expression (HER2 +++/++)
Method Description
HER2-positive HCC1954 cells were either treated with vehicle (control) or T-DM1 for 5 days, trypsinized, washed in PBS and sorted by flow cytometry based on the surface ROR1 expression. ROR1- and ROR1+ or unfractionated cells were injected into the subcutaneous site of 6-8-week old Nu/J mice (n=3/group).
In Vivo Model HCC1954 CDX model
In Vitro Model Breast ductal carcinoma HCC1954 cells CVCL_1259
Experiment 35 Reporting the Activity Date of This ADC [16]
Efficacy Data Minimal Effective Dose (MED) < 5 mg/kg Moderate HER2 expression (HER2++)
Method Description
Following the acclimatization period (1 week), the animals were stratified by body weight and randomly assigned to the following group: two T-DM1 groups, treated with 20 mg/kg and 60 mg/kg. Each group consisted of five animals for blood chemistry test as well as five animals for clinical signs and body weight measurements.
In Vivo Model Gastric cancer CDX model
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 36 Reporting the Activity Date of This ADC [16]
Efficacy Data Maximum Tolerated Dose (MTD) > 20 mg/kg High HER2 expression (HER2+++)
Method Description
Following the acclimatization period (1 week), the animals were stratified by body weight and randomly assigned to the following group: two T-DM1 groups, treated with 20 mg/kg and 60 mg/kg. Each group consisted of five animals for blood chemistry test as well as five animals for clinical signs and body weight measurements.
In Vivo Model Gastric cancer CDX model
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Obtained from the Model Organism Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [17]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 94.98% High HER2 expression (HER2 +++)
Method Description
An allograft was propagated from the Fo5 mmty transgenic mouse which does not respond to.or responds poorly to HERCEPTIN therapy. Subjects were treated once with ADC (10 mg/kg); and placebo PBS buffer control (Vehicle) andmonitored over 3 weeks.
In Vivo Model Breast cancer model MMTV-HER2 Fo5
Revealed Based on the Cell Line Data
Click To Hide/Show 23 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [18]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.04 nM
High HER2 expression (HER2 +++)
Method Description
With OHPAS ADCs 1-4 , we first performed cell-based MTT assays against a series of HER2 positive/negative cell lines using the commercially available HER2 ADC, T-DM1 (average DAR 3.5), which we purchased as a positive control.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [18]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.14 nM
High HER2 expression (HER2 +++)
Method Description
With OHPAS ADCs 1-4 , we first performed cell-based MTT assays against a series of HER2 positive/negative cell lines using the commercially available HER2 ADC, T-DM1 (average DAR 3.5), which we purchased as a positive control.
In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells CVCL_0532
Experiment 3 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.24 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 4 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.24 nM
Low HER2 expression (HER2+; IHC 1+)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. For measurement of apoptosis, BT-474 and SK-BR-3 were exposed to trastuzumab or trastuzumab-DM for 48 h.

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In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 5 Reporting the Activity Date of This ADC [18]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.26 nM
High HER2 expression (HER2 +++)
Method Description
With OHPAS ADCs 1-4 , we first performed cell-based MTT assays against a series of HER2 positive/negative cell lines using the commercially available HER2 ADC, T-DM1 (average DAR 3.5), which we purchased as a positive control.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 6 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.57 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 7 Reporting the Activity Date of This ADC [18]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.76 nM
Moderate HER2 expression (HER2 ++)
Method Description
With OHPAS ADCs 1-4 , we first performed cell-based MTT assays against a series of HER2 positive/negative cell lines using the commercially available HER2 ADC, T-DM1 (average DAR 3.5), which we purchased as a positive control.
In Vitro Model Breast ductal carcinoma JIMT-1 cells CVCL_2077
Experiment 8 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.71 nM
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. For measurement of apoptosis, BT-474 and SK-BR-3 were exposed to trastuzumab or trastuzumab-DM for 48 h.

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In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 9 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
5.89 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 10 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
6.4 nM
Positive HER2 expression (HER2 +++/++)
Method Description
ADCs 21-23 was performed on HCC827 and NCI-H2228 cells. cells (5 x 103 cells/well) were cultured in 96-well plates with 100 uL complete medium, and 24 h later the cells were treated in triplicate with varying concentrations of ADCs for 72 h.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 11 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
18.37 nM
Low HER2 expression (HER2+; IHC 1+)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 12 Reporting the Activity Date of This ADC [18]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 50 nM Negative HER2 expression (HER2 -)
Method Description
With OHPAS ADCs 1-4 , we first performed cell-based MTT assays against a series of HER2 positive/negative cell lines using the commercially available HER2 ADC, T-DM1 (average DAR 3.5), which we purchased as a positive control.
In Vitro Model Invasive breast carcinoma MCF-7 cells CVCL_0031
Experiment 13 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Negative HER2 expression (HER2 -)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Invasive breast carcinoma MCF-7 cells CVCL_0031
Experiment 14 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
220 nM
Negative HER2 expression (HER2 -)
Method Description
ADCs 21-23 was performed on HCC827 and NCI-H2228 cells. cells (5 x 103 cells/well) were cultured in 96-well plates with 100 uL complete medium, and 24 h later the cells were treated in triplicate with varying concentrations of ADCs for 72 h.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 15 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
317 nM
Negative HER2 expression (HER2 -)
Method Description
ADCs 21-23 was performed on HCC827 and NCI-H2228 cells. cells (5 x 103 cells/well) were cultured in 96-well plates with 100 uL complete medium, and 24 h later the cells were treated in triplicate with varying concentrations of ADCs for 72 h.
In Vitro Model Lung adenocarcinoma HCC827 cells CVCL_2063
Experiment 16 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 500 nM Negative HER2 expression (HER2 -)
Method Description
ADCs 21-23 was performed on HCC827 and NCI-H2228 cells. cells (5 x 103 cells/well) were cultured in 96-well plates with 100 uL complete medium, and 24 h later the cells were treated in triplicate with varying concentrations of ADCs for 72 h.
In Vitro Model Invasive breast carcinoma MCF-7 cells CVCL_0031
Experiment 17 Reporting the Activity Date of This ADC [17]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
8.00-15.00 ng/mL
High HER2 expression (HER2+++)
Method Description
Exposing mammalian cells having HER2 receptors to ADC in a cell culture medium; culturing the cells for a period from about 6 hours to about 5 days; and measuring cell viability Cell-based in vitro assays were used to measure viability, cytotoxicity, and induction of apoptosis of the ADC of the invention.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 18 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0 ug/mL
Negative HER2 expression (HER2-)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Invasive breast carcinoma of no special type BT-474 EEI cells CVCL_AR96
Experiment 19 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.01 ug/mL
Positive HER2 expression (HER2+++/++; HER2 MFI=95.7)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells CVCL_0532
Experiment 20 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.01 ug/mL
Moderate HER2 expression (HER2++; IHC 2+)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Breast inflammatory carcinoma KPL-4 cells CVCL_5310
Experiment 21 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.03 ug/mL
High HER2 expression (HER2+++)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Breast ductal carcinoma HCC1954 cells CVCL_1259
Experiment 22 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.06 ug/mL
High HER2 expression (HER2+++)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Lung adenocarcinoma Calu-3 cells CVCL_0609
Experiment 23 Reporting the Activity Date of This ADC [9]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.27 ug/mL
Low HER2 expression (HER2+)
Method Description
The effects of trastuzumab and trastuzumab-maytansinoid conjugates on tumor cell viability were assessed using Cell Titer-Glo. Cells were plated in black-walled 96-well plates (20,000 per well for BT-474; 10,000 cells per well for all other lines) and allowed to adhere overnight at 37°C in a humidified atmosphere of 5% CO2. Medium was then removed and replaced by fresh culture medium containing different concentrations of trastuzumab, trastuzumab ADC, or free DM1, and the cells incubated for varying periods of time.

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In Vitro Model Gastric tubular adenocarcinoma MKN7 cells CVCL_1417
Naratuximab emtansine [Phase 2 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [21]
Efficacy Data Objective Response Rate (ORR)
44.70%
Patients Enrolled
Eligible participants had R/R DLBCL, FL, MZL/MALT, or MCL (WHO 2008 criteria) with 1-6 prior therapies (including anti-CD20); relapsed DLBCL patients required &ge;24-week response post-first-line or &ge;8-week response post-HD-ASCT. Exclusions: CLL/SLL, primary refractory DLBCL (<24-week response), HD-ASCT candidates, active hepatitis, pregnancy, prior anti-CD37 therapy, CNS involvement, cardiac dysfunction, or severe lung disease.

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Administration Dosage
As part of escalation, doses of IMGN529 were doubled from 0.1 mg/kg to 0.8 mg/kg before DLTs were observed.
Related Clinical Trial
NCT Number NCT02564744  Clinical Status PHASE2
Clinical Description
A Phase 2 Study to Evaluate the Efficacy and Tolerability of Debio 1562 in Combination With Rituximab in Patients With Relapsed and/or Refractory Diffuse Large B-Cell Lymphoma and Other Forms of Non-Hodgkin's Lymphoma
Primary Endpoint
The study evaluates treatment-emergent adverse events (TEAEs) over 38 months, including clinically significant lab abnormalities (hematology, serum chemistry, urinalysis, coagulation), ECG changes, and vital sign deviations. Secondary outcomes include objective response rate (ORR) based on RECIST criteria (CR: disappearance of target lesions; PR: ≥50% tumor reduction) assessed until disease progression or new therapy initiation.

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Other Endpoint
Key pharmacokinetic parameters (Cmax, AUC0-t, AUC0-inf, t1/2, CL, Vss, Tmax) for Debio 1562 and rituximab were measured across cycles (21-day intervals) up to 37 months. Efficacy endpoints included PFS (time to progression/death), TTR (time to first response), DOR (response duration), and OS (time to death), with PD defined as new lesions, >50% tumor growth, or nodal enlargement >1.5 cm. Anti-drug antibodies (ADA) against Debio 1562 were monitored.

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Experiment 2 Reporting the Activity Date of This ADC [22]
Efficacy Data Objective Response Rate (ORR)
12.82%
Positive CD38 expression (CD38+++/++)
Patients Enrolled
Lymphoma limited to diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), mantle cell lymphoma (MCL), or marginal zone lymphoma (MZL). Patients were also required to have received at least one prior anti-CD20 based therapeutic regimen, have a life expectancy of greater than 3 months, an Eastern Cooperative Oncology Group Performance status of 2 or lower, and adequate hematological, renal, and hepatic function.

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Administration Dosage
Conventional 3+3 dose-escalation design; intravenously once every 3 weeks; from 0.10 to 1.80 mg/kg.
Related Clinical Trial
NCT Number NCT01534715  Clinical Status Phase 1
Clinical Description
A phase 1, multi-center, open-label study of IMGN529 administered intravenously in adult patients with relapsed or refractory non-Hodgkin lymphoma and chronic lymphocytic leukemia.
Primary Endpoint
A total of five objective responses were observed, resulting in an overall response rate (ORR) of 12.82% (N=39). Four of these (1 complete response [CR] and 3 partial responses [PRs]) occurred in patients with DLBCL, for an ORR of 22% in this lymphoma subset.
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [23]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 14.50% Positive CD38 expression (CD38+++/++)
Method Description
IMGN529 induces efficient tumor cell killing in cell line-derived models B-cell NHL of cells with lower CD27 expression, dosed at 2.5 ug/kg , 2 qw3.
In Vivo Model CD37-positive NHL and CLL model
In Vitro Model Non-Hodgkin lymphoma Non-Hodgkin lymphoma cells Homo sapiens
Chronic lymphocytic leukemia Chronic lymphocytic leukemia cells Homo sapiens
Experiment 2 Reporting the Activity Date of This ADC [23]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 99% Positive CD38 expression (CD38+++/++)
Method Description
IMGN529 induces efficient tumor cell killing in cell line-derived models B-cell NHL of cells with lower CD27 expression, dosed at 5 ug/kg , 2 qw3.
In Vivo Model CD37-positive NHL and CLL model
In Vitro Model Non-Hodgkin lymphoma Non-Hodgkin lymphoma cells Homo sapiens
Chronic lymphocytic leukemia Chronic lymphocytic leukemia cells Homo sapiens
Experiment 3 Reporting the Activity Date of This ADC [23]
Efficacy Data Tumor Growth Inhibition value (TGI)
100%
Positive CD38 expression (CD38+++/++)
Method Description
The inhibitory activity of SGN-LIV1A against cancer cell growth was evaluated in various human cancer cell lines in vitro. The cells were treated 1 day.
In Vivo Model DoHH2 CDX model
In Vitro Model Diffuse large B-cell lymphoma WSU-NHL cells CVCL_1793
Experiment 4 Reporting the Activity Date of This ADC [23]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive CD38 expression (CD38+++/++)
Method Description
IMGN529 induces efficient tumor cell killing in cell line-derived models B-cell NHL of cells with lower CD27 expression, dosed at 10 ug/kg , 2 qw3.
In Vivo Model CD37-positive NHL and CLL model
In Vitro Model Non-Hodgkin lymphoma Non-Hodgkin lymphoma cells Homo sapiens
Chronic lymphocytic leukemia Chronic lymphocytic leukemia cells Homo sapiens
Revealed Based on the Cell Line Data
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [23]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.1 nM
Method Description
In vitro cytotoxicity was measured by incubating 5000 target cells with indicated agents in complete RPMI-1640 media for 5 days at 37°C. The viability of remaining cells was determined by a colorimetric WST-11 assay.
In Vivo Model DoHH2 CDX model
In Vitro Model Mantle cell lymphoma Granta-519 cells CVCL_1818
Experiment 2 Reporting the Activity Date of This ADC [23]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.1 nM
Method Description
In vitro cytotoxicity was measured by incubating 5000 target cells with indicated agents in complete RPMI-1640 media for 5 days at 37°C. The viability of remaining cells was determined by a colorimetric WST-10 assay.
In Vivo Model DoHH2 CDX model
In Vitro Model Diffuse large B-cell lymphoma germinal center B-cell type DoHH2 cells CVCL_1179
Experiment 3 Reporting the Activity Date of This ADC [23]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.1 nM Positive CD38 expression (CD38+++/++)
Method Description
In vitro cytotoxicity was measured by incubating 5000 target cells with indicated agents in complete RPMI-1640 media for 5 days at 37°C. The viability of remaining cells was determined by a colorimetric WST-9 assay.
In Vivo Model DoHH2 CDX model
In Vitro Model Diffuse large B-cell lymphoma Farage cells CVCL_3302
Experiment 4 Reporting the Activity Date of This ADC [23]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.1 nM
Method Description
In vitro cytotoxicity was measured by incubating 5000 target cells with indicated agents in complete RPMI-1640 media for 5 days at 37°C. The viability of remaining cells was determined by a colorimetric WST-8 assay.
In Vivo Model DoHH2 CDX model
In Vitro Model Burkitt lymphoma BJAB cells CVCL_5711
Experiment 5 Reporting the Activity Date of This ADC [23]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 1 nM
Method Description
In vitro cytotoxicity was measured by incubating 5000 target cells with indicated agents in complete RPMI-1640 media for 5 days at 37°C. The viability of remaining cells was determined by a colorimetric WST-12 assay.
In Vivo Model DoHH2 CDX model
In Vitro Model Mantle cell lymphoma JVM-2 cells CVCL_1319
F0002-ADC [Phase 1 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [24]
Patients Enrolled
Eligibility criteria require: ECOG 0-1; centrally confirmed relapsed/refractory CD30+ malignancies (prioritizing cHL, ALCL, MF); &ge;1 measurable lesion (nodal &ge;15mm/extranodal &ge;10mm, skin nodules for MF); adequate hematologic/organ function (Hb&ge;80g/L, NEUT&ge;1.5&times;10<sup>9</sup>/L, etc.); washout periods (&ge;8 weeks post-transplant, &ge;4 weeks post-therapy [6 weeks for alkylators]); life expectancy >3 months; and voluntary informed consent.

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Administration Dosage
Every 21 days for 1 cycle, continue treatment until a maximum 16 cycles. Dose Escalating: 0.3 - 4.8 mg/kg
Related Clinical Trial
NCT Number NCT03894150  Clinical Status PHASE1
Clinical Description
A Dose-Escalation Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of F0002-ADC in Chinese Patients With Refractory or Recurrent CD30+ Hematologic Malignancies.
Primary Endpoint
The primary endpoint is MTD (maximum tolerable dose) assessed within 21 days following a single dose administration.
Other Endpoint
Secondary endpoints include ORR (objective response rate), DOR (duration of response), and PFS (progression-free survival) evaluated every 2 cycles (21-day cycles) until tumor progression/death/3 years; pharmacokinetic parameters (Cmax, AUC, Tmax, T1/2, CL, Vd) and immunogenicity (Anti-F0002-ADC antibodies) measured 1 month post-final dose; with safety monitoring for adverse events and laboratory abnormalities until 1 month post-treatment.

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B-003 [Phase 2]
Identified from the Human Clinical Data
Click To Hide/Show 13 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [25]
Patients Enrolled
Eligible patients (18-75yo females) must have HER2+ metastatic breast cancer refractory to anti-HER2 therapy with ECOG 0-1, adequate organ function, and measurable disease. Key exclusions include recent anti-HER2 therapy (T-DM1/trastuzumab within 3 months), anthracycline overdose (doxorubicin >450mg/m2 equivalent), uncontrolled comorbidities (cardiac dysfunction LVEF<50%, NYHA III-IV, uncontrolled HTN, active bleeding disorders), hepatitis/HIV, symptomatic brain metastases, or lab abnormalities (neutrophils <1.5&times;109/L, platelets <100&times;109/L, ALT/AST >2.5&times;ULN). Pregnancy prevention is mandatory for 6 months post-treatment.

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Administration Dosage
Usage: Intravenous infusion; Dose escalation stage: doses 0.6, 1.2, 2.4, 3.6, 4.8 mg / kg, 1-6subjects each. Dose expansion stage: 20 subjects are enrolled and take the recommended dose based on the result of dose escalation stage.
Related Clinical Trial
NCT Number NCT03953833  Clinical Status PHASE1
Clinical Description
Phase I Clinical Trial on the Safety, Tolerability, Pharmacokinetics of B003 in the Treatment of HER2-positive Recurrent or Metastatic Breast Cancer
Primary Endpoint
The study will determine the MTD of B003 over 2 years by assessing DLTs during the first 21-day cycle, with extensive PK profiling including Tmax, Cmax, t½, MRT, AUC, elimination rate and CL/F. Immunogenicity will track ADA incidence and titers, while efficacy endpoints measure ORR, DCR, DOR and PFS over 14 months per RECIST v1.1 criteria, requiring confirmation of responses at 4 weeks.

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Experiment 2 Reporting the Activity Date of This ADC [26]
Patients Enrolled
Eligible patients (18-75 years, ECOG 0-1) must have failed standard therapy, measurable lesions, adequate organ function, and controlled toxicities. Exclusion criteria involve recent chemotherapy/radiotherapy, severe comorbidities, active infections, CNS metastases, unresolved ILD, or prior topoisomerase I inhibitors. Strict lab and clinical stability requirements apply.

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Administration Dosage
BL-B01D1 was administered by intravenous infusion on D1 and D8 in a 3-week cycle.
Related Clinical Trial
NCT Number NCT06042894  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Trial to Evaluate the Efficacy and Safety of SI-B003 Monotherapy or BL-B01D1+SI-B003 Combination Therapy (BL-B01D1+SI-B003) in Patients With Unresectable Locally Advanced or Recurrent Metastatic HER2 Negative Breast Cancer
Primary Endpoint
The study evaluates ORR (percentage achieving CR/PR per RECIST 1.1) and RP2D (dose determined by sponsor based on safety, efficacy, PK/PD data) over 24 months in HER2-negative breast cancer patients.
Other Endpoint
Key endpoints include PFS (time to progression/death), DCR (percentage with CR/PR/SD per RECIST 1.1), DOR (response duration till progression/death), and TEAEs (adverse events during treatment) tracked over 24 months.
Experiment 3 Reporting the Activity Date of This ADC [27]
Patients Enrolled
Eligible participants include women aged 18-75 with gynecological malignancies, adequate organ function, and measurable lesions per RECIST 1.1. Key exclusions involve prior ADC therapy, recent antineoplastic treatment, severe comorbidities, uncontrolled infections, active CNS metastases, or conditions deemed unsuitable by investigators.
Administration Dosage
BL-B01D1 was administered by intravenous infusion on D1 and D8 in a 3-week cycle.
Related Clinical Trial
NCT Number NCT05990803  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Study to Evaluate the Efficacy and Safety of BL-B01D1 Monotherapy, SI-B003 Monotherapy and BL-B01D1+SI-B003 Combination Therapy (BL-B01D1+SI-B003) in Patients With Recurrent or Metastatic Cervical Cancer and Other Gynecological Malignancies
Primary Endpoint
The primary endpoints include Objective Response Rate (ORR), defined as the percentage of participants achieving complete or partial response per RECIST 1.1, and the Recommended Phase II Dose (RP2D), determined based on safety, tolerability, and efficacy data during dose escalation.
Other Endpoint
Secondary endpoints comprise Progression-Free Survival (PFS), measuring time from treatment initiation to disease progression or death; Disease Control Rate (DCR), capturing stable disease or better responses; Duration of Response (DOR), tracking sustained responses; and Treatment-Emergent Adverse Events (TEAEs), assessing safety profiles.
Experiment 4 Reporting the Activity Date of This ADC [28]
Patients Enrolled
Eligible participants (18-75 years) must have locally advanced/metastatic gastrointestinal cancer, measurable lesions (RECIST 1.1), ECOG 0-1, and adequate organ function. Key exclusions: prior topoisomerase I inhibitor ADCs, recent antitumor therapy (4 weeks/5 half-lives), severe cardiac/autoimmune diseases, active infections, uncontrolled effusions, CNS metastases, or conditions compromising trial safety per investigator judgment.

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Administration Dosage
Administered by intravenous infusion for a cycle of 3 weeks.
Related Clinical Trial
NCT Number NCT06008054  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Study to Evaluate the Efficacy and Safety of SI-B003 Monotherapy, BL-B01D1+SI-B003 Combination Therapy and BL-B01D1+PD-1 Monoclonal Antibody in Patients With Locally Advanced or Metastatic Esophageal Cancer, Gastric Cancer, Colorectal Cancer and Other Gastrointestinal Tumors
Primary Endpoint
The primary endpoints are Objective Response Rate (ORR), defined as the proportion of participants achieving complete or partial response per RECIST 1.1, and Recommended Phase II Dose (RP2D), determined by sponsor-investigator consensus based on safety, tolerability, efficacy, pharmacokinetics, and pharmacodynamics data during dose escalation.
Other Endpoint
Secondary endpoints include Progression-Free Survival (PFS, time from first dose to progression/death), Disease Control Rate (DCR, percentage with CR/PR/SD per RECIST 1.1), Duration of Response (DOR, time from response to progression/death), and Treatment-Emergent Adverse Events (TEAEs, monitoring safety profiles during therapy).
Experiment 5 Reporting the Activity Date of This ADC [29]
Patients Enrolled
Eligible patients (18-75 years) must have locally advanced/metastatic head and neck squamous cell carcinoma (excluding nasopharyngeal primary), measurable lesions (RECIST 1.1), ECOG &le;1, and adequate organ function. Key exclusions: active CNS metastases, recent anticancer therapy (4 weeks/5 half-lives), uncontrolled hypertension/cardiac conditions, autoimmune diseases, organ transplant history, HIV/HBV/HCV infection, or prior grade &ge;3 immune-related adverse events from immunotherapy.

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Related Clinical Trial
NCT Number NCT05668858  Clinical Status PHASE1|||PHASE2
Clinical Description
Phase Ib/II Clinical Study of SI-B001+SI-B003 Dual-drug No-combination or Combined Chemotherapy in Patients With Locally Advanced or Metastatic Head and Neck Squamous Cell Carcinoma
Primary Endpoint
The Phase Ib study evaluates dose-limiting toxicity (DLT) and determines the maximum tolerated dose (MTD) and recommended Phase II dose (RP2D) for SI-B001+SI-B003 combination therapy based on safety, efficacy, and pharmacokinetic data. Primary efficacy endpoint is objective response rate (ORR), defined per RECIST 1.1 as complete/partial response rates through 24 months.

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Other Endpoint
Safety and efficacy outcomes include treatment-emergent adverse events (TEAEs), disease control rate (DCR), duration of response (DOR), and progression-free survival (PFS) across both phases. Pharmacokinetic measures - Cmax, Tmax, half-life (T1/2), AUC, clearance (CL), trough levels (Ctrough) - and immunogenicity (anti-drug/neutralizing antibodies) will be analyzed for both investigational compounds.

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Experiment 6 Reporting the Activity Date of This ADC [30]
Patients Enrolled
Eligible participants (18-75 years) must have recurrent/metastatic HNSCC (excluding nasopharyngeal) with measurable lesions (RECIST 1.1), ECOG 0-1, and adequate organ function. Key exclusions: prior topoisomerase I inhibitor ADC treatment, recent anticancer therapy (4 weeks/5 half-lives), uncontrolled cardiovascular/autoimmune conditions, active infections, symptomatic CNS metastases/effusions, or positive HIV/HBV/HCV status with high viral loads.

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Administration Dosage
BL-B01D1 was administered by intravenous infusion on D1, D8, or D1 in 3-week cycles.
Related Clinical Trial
NCT Number NCT06006169  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Trial to Evaluate the Efficacy and Safety of BL-B01D1 Monotherapy, SI-B003 Monotherapy and BL-B01D1+SI-B003 Combination Therapy (BL-B01D1+SI-B003) in Patients With Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma and Other Solid Tumors
Primary Endpoint
The primary endpoints evaluate efficacy through Objective Response Rate (ORR) per RECIST 1.1 (complete/partial response rates) and establish the Recommended Phase II Dose (RP2D) based on comprehensive safety, tolerability, and pharmacokinetic data during dose escalation.
Other Endpoint
Secondary assessments include Progression-Free Survival (time to progression/death), Disease Control Rate (complete/partial response or stable disease), Duration of Response (sustained treatment effect), and Treatment-Emergent Adverse Events monitoring (type/frequency/severity of treatment-related toxicities).
Experiment 7 Reporting the Activity Date of This ADC [31]
Patients Enrolled
Eligible patients (18-75 years) must have recurrent/metastatic HNSCC (excluding nasopharyngeal origin) with measurable lesions (RECIST 1.1), ECOG &le;1, adequate organ function, and controlled prior treatment toxicities. Key exclusions: active CNS metastases, recent anticancer therapy/immunization (4 weeks), uncontrolled infections/autoimmune diseases, effusions requiring drainage, severe cardiovascular conditions, HIV/HBV/HCV positivity with high viral load, or prior grade &ge;3 immune-related adverse events from immunotherapy.

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Related Clinical Trial
NCT Number NCT06668961  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Study to Evaluate the Safety and Efficacy of SI-B001+SI-B003 Combined With Platinum-based Chemotherapy (SI-B001+SI-B003+ Platinum-based Chemotherapy) as First-line Treatment in Patients With Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma
Primary Endpoint
The primary endpoint is objective response rate (ORR) assessed per RECIST 1.1 criteria, measuring complete/partial response rates over 24 months in participants receiving SI-B001+SI-B003 combination therapy.
Other Endpoint
Secondary outcomes include progression-free survival (time to progression/death), disease control rate (complete/partial response or stable disease), duration of response (sustained treatment effect), treatment-emergent adverse events (safety profile), pharmacokinetic parameters (Cmax, Tmax, Ctrough), and immunogenicity assessment (anti-drug antibody frequency/titer).

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Experiment 8 Reporting the Activity Date of This ADC [32]
Patients Enrolled
Eligible patients (18-75 years, ECOG 0-1) must have locally advanced/metastatic solid tumors (NSCLC, nasopharyngeal carcinoma) with measurable lesions (RECIST v1.1) and adequate organ function. Key exclusions: MET exon 14 skipping mutations (Cohort_A), recent anticancer therapy (4 weeks/5 half-lives), uncontrolled hypertension/infections, active CNS metastases, &ge;grade 3 immunotherapy-related toxicities, autoimmune/inflammatory diseases, significant effusions, or HIV/HBV/HCV infections with active viral replication.

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Related Clinical Trial
NCT Number NCT05956587  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Study to Evaluate the Efficacy and Safety of SI-B003 Monotherapy and BL-B01D1+SI-B003 Combination Therapy in Patients With Locally Advanced or Metastatic Non-small Cell Lung Cancer, Nasopharyngeal Carcinoma and Other Solid Tumors
Primary Endpoint
The primary endpoints include Objective Response Rate (ORR) per RECIST 1.1 criteria and determination of Recommended Phase II Dose (RP2D) for SI-B003 based on safety, efficacy, pharmacokinetic and pharmacodynamic data during dose escalation, assessed over 24 months.
Other Endpoint
Secondary endpoints are progression-free survival (time to disease progression/death), disease control rate (complete/partial response or stable disease), duration of response (sustained treatment effect), treatment-emergent adverse events (incidence/severity), all evaluated across the 24-month study period.
Experiment 9 Reporting the Activity Date of This ADC [33]
Patients Enrolled
Eligible patients (18-75 years, ECOG 0-1) must have extensive-stage small-cell lung cancer (SCLC) confirmed histologically/cytologically, with measurable lesions and adequate organ function. Key exclusions: prior HER3/EGFR antibody therapy, recent anticancer treatment (4 weeks/5 half-lives), uncontrolled hypertension/diabetes, active infections, CNS metastases requiring intervention, autoimmune diseases, or other malignancies within 5 years. Cohort-specific criteria apply for prior therapy lines (Cohort_A: &ge;3 lines; Cohort_B: standard therapy failure or treatment-na&iuml;ve).

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Related Clinical Trial
NCT Number NCT05924841  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Trial to Evaluate the Efficacy and Safety of BL-B01D1 Monotherapy, SI-B003 Monotherapy and BL-B01D1+SI-B003 Combination Therapy (BL-B01D1+SI-B003) in Patients With Extensive Stage Small Cell Lung Cancer (SCLC)
Primary Endpoint
The primary outcomes include Objective Response Rate (ORR), defined as the proportion of patients achieving complete or partial response per RECIST 1.1, and Recommended Phase II Dose (RP2D) determination based on safety, efficacy, pharmacokinetic, and pharmacodynamic data from the SI-B003 dose-escalation study, both assessed over 24 months.
Other Endpoint
Secondary endpoints comprise Progression-Free Survival (time from treatment initiation to disease progression/death), Disease Control Rate (percentage with response/stable disease per RECIST 1.1), Duration of Response (sustained treatment benefit), and Treatment-Emergent Adverse Events (incidence/severity of new/worsened conditions), all evaluated during the 24-month study period.

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Experiment 10 Reporting the Activity Date of This ADC [34]
Patients Enrolled
Eligible patients (18-75 years, ECOG 0-1) must have histologically confirmed locally advanced/metastatic NSCLC (Phase Ib: driver-negative post-standard therapy; Phase II Cohort_A: untreated driver-negative; Cohort_B: EGFRmut post-TKI failure). Key exclusions: actionable mutations (ALK/MET/ROS1/BRAF/NTRK/RET), uncontrolled CNS metastases, recent immunotherapy with &ge;G3 irAE, active infections, autoimmunity, or other malignancies within 5 years. Required: measurable lesions, adequate organ function, and ctDNA testing for EGFR/ALK/MET/ROS1/BRAF/NTRK/RET/HER2/KRAS. PD-L1 testing mandated for Phase II Cohort_A.

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Related Clinical Trial
NCT Number NCT05949606  Clinical Status PHASE1|||PHASE2
Clinical Description
A Phase Ib/II Clinical Trial to Evaluate the Safety and Efficacy of SI-B001+SI-B003 With or Without Chemotherapy (SI-B001+SI-B003± Chemotherapy) in the Treatment of Locally Advanced or Metastatic Non-small Cell Lung Cancer (NSCLC)
Primary Endpoint
Phase Ib/II primary endpoints include determining the Recommended Phase II Dose (RP2D) of SI-B001+SI-B003 based on safety, tolerability, efficacy, PK, and PD data. Objective Response Rate (ORR) per RECIST 1.1 assesses confirmed CR/PR rates. Phase Ib evaluates Dose-Limited Toxicity (DLT) incidence/severity via NCI-CTCAE v5.0 and Maximum Tolerated Dose (MTD) or Maximum Administered Dose (MAD) based on DLT rates.

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Other Endpoint
Secondary endpoints include Treatment-Emergent Adverse Events (TEAEs), Disease Control Rate (DCR), Duration of Response (DOR), and Progression-Free Survival (PFS). Pharmacokinetic parameters (Cmax, Tmax, Ctrough, T1/2, AUC0-t, CL) and immunogenicity (anti-drug/neutralizing antibodies) are also analyzed over 24 months to assess drug exposure and immune response.

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Experiment 11 Reporting the Activity Date of This ADC [35]
Patients Enrolled
Eligible patients (Phase Ia: &ge;18-75 years; Phase Ib: &ge;18 years) must have recurrent/metastatic solid tumors (Phase Ib: gastric/GEJ adenocarcinoma post-platinum/anti-PD- (L)1 or mesothelioma), measurable lesions (Phase Ib), ECOG 0-1, and adequate organ function. Key exclusions: symptomatic CNS metastases, recent anticancer therapy (4 weeks/5 half-lives), uncontrolled infections/autoimmunity, HIV/HBV/HCV, QTc prolongation, or anthracycline exposure >360 mg/m2.

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Related Clinical Trial
NCT Number NCT04606472  Clinical Status PHASE1
Clinical Description
Phase I Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetic Characteristics and Preliminary Efficacy of SI-B003, a PD-1/CTLA-4 Bispecific Antibody, in Patients With Advanced Solid Tumors
Primary Endpoint
Phase Ia evaluates Dose-Limiting Toxicity (DLT) and Maximum Tolerated Dose (MTD)/Maximum Administered Dose (MAD) of SI-B003 within 28 days post-dose using NCI-CTCAE v5.0 criteria. Phase Ib determines the Recommended Phase II Dose (RP2D) based on safety, tolerability, efficacy, PK/PD data, while Treatment-Emergent Adverse Events (TEAEs) are monitored over 24 months.

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Other Endpoint
Pharmacokinetic parameters (Cmax, Tmax, T1/2, AUC0-t, CL, Ctrough) are assessed within 28 days post-dose. Immunogenicity (ADA/NAb incidence/titers), efficacy (ORR, DOR, CBR, PFS, OS per RECIST 1.1), and exploratory endpoints (iORR/iCR/iPR per iRECIST 1.1; PK-efficacy correlations) are evaluated over 24 months.
Experiment 12 Reporting the Activity Date of This ADC [36]
Patients Enrolled
Eligible patients (&ge;18-75 years, ECOG 0-1) must have advanced/metastatic solid tumors (urothelial/prostate/renal cancers post-standard therapy failure/intolerance) with measurable lesions (RECIST 1.1). Key exclusions: prior topoisomerase I inhibitor ADC use, recent chemotherapy/radiotherapy (4 weeks/5 half-lives), unstable CVD, active autoimmunity/infections, uncontrolled diabetes/hypertension, CNS metastases (unless stable post-treatment), or serous effusion requiring drainage. Organ function thresholds: Hb &ge;90g/L, ANC &ge;1.5&times;10<sup>9</sup>/L, platelets &ge;100&times;10<sup>9</sup>/L, Cr &le;1.5 ULN (Ccr &ge;40 mL/min), LVEF &ge;50%. HIV/HBV/HCV active infections disqualify.

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Related Clinical Trial
NCT Number NCT05965856  Clinical Status PHASE2
Clinical Description
A Phase II Clinical Study to Evaluate the Efficacy and Safety of SI-B003 Monotherapy and BL-B01D1+SI-B003 Combination Therapy (BL-B01D1+SI-B003) in Patients With Locally Advanced or Metastatic Urothelial Carcinoma and Other Solid Tumors
Primary Endpoint
The study evaluates Objective Response Rate (ORR) per RECIST 1.1 (confirmed CR/PR rates) and determines the Recommended Phase II Dose (RP2D) of SI-B003 based on safety, efficacy, PK/PD data, with assessments spanning 24 months.
Other Endpoint
Key outcomes include Progression-Free Survival (PFS), Disease Control Rate (DCR), Duration of Response (DOR), and Treatment-Emergent Adverse Events (TEAEs). TEAEs-defined as adverse structural/functional changes or pre-existing condition exacerbations-are monitored for type, frequency, and severity over 24 months.
Experiment 13 Reporting the Activity Date of This ADC [37]
Related Clinical Trial
NCT Number NCT03953833  Clinical Status Phase 1
Clinical Description
Phase 1 clinical trial on the safety, tolerability, pharmacokinetics of B003 in the treatment of HER2-positive recurrent or metastatic breast cancer.
AMG 172 [Phase 1 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [38]
Efficacy Data stable disease (SD)
16.20%
Patients Enrolled
Eligible subjects require clear cell RCC refractory to &ge;2 prior therapies (including a TKI) with measurable disease (RECIST 1.1), ECOG &le;1, adequate hematologic (ANC &ge;1.5x10<sup>9</sup>/L, platelets &ge;100x10<sup>9</sup>/L) and hepatic function (AST/ALT <3xULN). Exclusions encompass CNS metastases, bleeding disorders, significant cardiac comorbidities (recent MI, CHF NYHA >II, QTcF >470ms), uncontrolled HTN, or active HBV/HCV/HIV infections.

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Administration Dosage
The study was conducted in two parts for dose exploration and dose expansion on a biweekly dosing schedule. AMG 172 doses of 0.15, 0.3, 0.6, 1.2, 1.6, 1.8, and 2.4 mg/kg were studied in the dose-exploration phase.
Related Clinical Trial
NCT Number NCT01497821  Clinical Status PHASE1
Clinical Description
A Phase 1 First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AMG 172 in Subjects With Relapsed / Refractory Renal Cell Carcinoma
Primary Endpoint
Primary safety assessments include ≥Grade 3 CTCAE adverse events and clinically significant lab/ECG changes monitored for 28 days post-enrollment. Pharmacokinetic parameters (Cmax, AUC, t½) are evaluated across 12 timepoints within 8 weeks. The MTD will be determined for two dosing schedules (biweekly/triweekly) with tumor response (RECIST 1.1) assessed over 3 years.

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Other Endpoint
Secondary endpoints include immunogenicity (anti-drug antibodies over 1 year), non-MTD cohort ORR (RECIST 1.1), and clinical benefit via DOR, all evaluated through 3 years.
Experiment 2 Reporting the Activity Date of This ADC [38]
Efficacy Data progressive disease (PD)
35.10%
Patients Enrolled
Eligible subjects require clear cell RCC refractory to &ge;2 prior therapies (including a TKI) with measurable disease (RECIST 1.1), ECOG &le;1, adequate hematologic (ANC &ge;1.5x10<sup>9</sup>/L, platelets &ge;100x10<sup>9</sup>/L) and hepatic function (AST/ALT <3xULN). Exclusions encompass CNS metastases, bleeding disorders, significant cardiac comorbidities (recent MI, CHF NYHA >II, QTcF >470ms), uncontrolled HTN, or active HBV/HCV/HIV infections.

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Administration Dosage
The study was conducted in two parts for dose exploration and dose expansion on a biweekly dosing schedule. AMG 172 doses of 0.15, 0.3, 0.6, 1.2, 1.6, 1.8, and 2.4 mg/kg were studied in the dose-exploration phase.
Related Clinical Trial
NCT Number NCT01497821  Clinical Status PHASE1
Clinical Description
A Phase 1 First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AMG 172 in Subjects With Relapsed / Refractory Renal Cell Carcinoma
Primary Endpoint
Primary safety assessments include ≥Grade 3 CTCAE adverse events and clinically significant lab/ECG changes monitored for 28 days post-enrollment. Pharmacokinetic parameters (Cmax, AUC, t½) are evaluated across 12 timepoints within 8 weeks. The MTD will be determined for two dosing schedules (biweekly/triweekly) with tumor response (RECIST 1.1) assessed over 3 years.

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Other Endpoint
Secondary endpoints include immunogenicity (anti-drug antibodies over 1 year), non-MTD cohort ORR (RECIST 1.1), and clinical benefit via DOR, all evaluated through 3 years.
Experiment 3 Reporting the Activity Date of This ADC [38]
Efficacy Data Partial Response (PR)
5.40%
Patients Enrolled
Eligible subjects require clear cell RCC refractory to &ge;2 prior therapies (including a TKI) with measurable disease (RECIST 1.1), ECOG &le;1, adequate hematologic (ANC &ge;1.5x10<sup>9</sup>/L, platelets &ge;100x10<sup>9</sup>/L) and hepatic function (AST/ALT <3xULN). Exclusions encompass CNS metastases, bleeding disorders, significant cardiac comorbidities (recent MI, CHF NYHA >II, QTcF >470ms), uncontrolled HTN, or active HBV/HCV/HIV infections.

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Administration Dosage
The study was conducted in two parts for dose exploration and dose expansion on a biweekly dosing schedule. AMG 172 doses of 0.15, 0.3, 0.6, 1.2, 1.6, 1.8, and 2.4 mg/kg were studied in the dose-exploration phase.
Related Clinical Trial
NCT Number NCT01497821  Clinical Status PHASE1
Clinical Description
A Phase 1 First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AMG 172 in Subjects With Relapsed / Refractory Renal Cell Carcinoma
Primary Endpoint
Primary safety assessments include ≥Grade 3 CTCAE adverse events and clinically significant lab/ECG changes monitored for 28 days post-enrollment. Pharmacokinetic parameters (Cmax, AUC, t½) are evaluated across 12 timepoints within 8 weeks. The MTD will be determined for two dosing schedules (biweekly/triweekly) with tumor response (RECIST 1.1) assessed over 3 years.

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Other Endpoint
Secondary endpoints include immunogenicity (anti-drug antibodies over 1 year), non-MTD cohort ORR (RECIST 1.1), and clinical benefit via DOR, all evaluated through 3 years.
AMG 595 [Phase 1 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [39]
Efficacy Data stable disease (SD)
47%
Patients Enrolled
Eligible subjects must have recurrent WHO Grade IV GBM (Parts 1-2) or Grade III AA (Part 1 only) with EGFRvIII+ expression (IHC-confirmed), Karnofsky score &ge;70%, measurable disease (Macdonald criteria), and adequate organ function (ANC &ge;1.5x10<sup>9</sup>/L, QTcF &le;470ms, eGFR >45 mL/min). Exclusions involve recent CNS hemorrhage (>Grade 1), significant neuropathy/ECG abnormalities, active infections, recent radiotherapy (&le;12 weeks), or antiangiogenic therapy (bevacizumab within 4 weeks for Part 1; any prior use for Part 2).

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Administration Dosage
In this phase 1, first-in-human, open-label, sequential-dose, exploration study, adults with recurrent GBM received AMG 595 once every 3 weeks (Q3W) according to incremental dosing cohorts (0.5-3.0 mg/kg).
Related Clinical Trial
NCT Number NCT01475006  Clinical Status PHASE1
Clinical Description
A Phase 1 First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AMG 595 in Subjects With Recurrent Malignant Glioma Expressing Mutant Epidermal Growth Factor Receptor Variant III (EGFRvIII)
Primary Endpoint
The primary safety assessment includes ≥Grade 3 CTCAE-defined adverse events in lab tests, physical exams, ECGs, or vital signs evaluated 28 days post-enrollment for each cohort. PK parameters (Cmax, Cmin, t½) are analyzed across 8 timepoints over 6 weeks. Objective tumor response in GBM is assessed per Macdonald criteria over 3 years, while DLT evaluation determines the MTD at defined intervals.

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Other Endpoint
Secondary efficacy measures include clinical benefit rate assessed every 6 months, progression-free survival, and overall survival tracked over 3 years. Immunogenicity (anti-AMG 595 antibodies) is monitored throughout the study period.
Experiment 2 Reporting the Activity Date of This ADC [39]
Efficacy Data Partial Response (PR)
6%
Patients Enrolled
Eligible subjects must have recurrent WHO Grade IV GBM (Parts 1-2) or Grade III AA (Part 1 only) with EGFRvIII+ expression (IHC-confirmed), Karnofsky score &ge;70%, measurable disease (Macdonald criteria), and adequate organ function (ANC &ge;1.5x10<sup>9</sup>/L, QTcF &le;470ms, eGFR >45 mL/min). Exclusions involve recent CNS hemorrhage (>Grade 1), significant neuropathy/ECG abnormalities, active infections, recent radiotherapy (&le;12 weeks), or antiangiogenic therapy (bevacizumab within 4 weeks for Part 1; any prior use for Part 2).

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Administration Dosage
In this phase 1, first-in-human, open-label, sequential-dose, exploration study, adults with recurrent GBM received AMG 595 once every 3 weeks (Q3W) according to incremental dosing cohorts (0.5-3.0 mg/kg).
Related Clinical Trial
NCT Number NCT01475006  Clinical Status PHASE1
Clinical Description
A Phase 1 First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AMG 595 in Subjects With Recurrent Malignant Glioma Expressing Mutant Epidermal Growth Factor Receptor Variant III (EGFRvIII)
Primary Endpoint
The primary safety assessment includes ≥Grade 3 CTCAE-defined adverse events in lab tests, physical exams, ECGs, or vital signs evaluated 28 days post-enrollment for each cohort. PK parameters (Cmax, Cmin, t½) are analyzed across 8 timepoints over 6 weeks. Objective tumor response in GBM is assessed per Macdonald criteria over 3 years, while DLT evaluation determines the MTD at defined intervals.

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Other Endpoint
Secondary efficacy measures include clinical benefit rate assessed every 6 months, progression-free survival, and overall survival tracked over 3 years. Immunogenicity (anti-AMG 595 antibodies) is monitored throughout the study period.
PCA062 [Phase 1 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [40]
Efficacy Data progressive disease (PD)
78.70%
Patients Enrolled
Eligible patients are &ge;18 years old with progressive pCAD+ tumors (excluding HNSCC/ESCC), measurable disease per RECIST v1.1, and ECOG &le;2, with mandatory biopsy consent. Exclusions cover CNS metastases, significant comorbidities, prior pCAD-targeting biologics, recent anticancer treatments (4 weeks for chemotherapy/biologics, 2 weeks for surgery), and abnormal lab values (ANC <1.5, Hgb <9, platelets <100, hepatic/renal dysfunction). Vision-related risks also preclude participation.

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Administration Dosage
Forty-seven patients were treated at 10 different dose levels of PCA062, ranging from 0.4 to 5.0 mg/kg every 2 weeks administered as a 1-hour intravenous infusion.
Related Clinical Trial
NCT Number NCT02375958  Clinical Status PHASE1
Clinical Description
A Phase 1 Multi-center, Open-label Dose Escalation and Expansion Study of PCA062 Administered Intravenously in Adult Patients With p-CAD Positive Tumors
Primary Endpoint
The study evaluates the incidence of dose-limiting toxicities (DLTs) within the first 28 days to determine the safety and tolerability of PCA062, establishing a critical early assessment of potential treatment-related severe adverse effects.
Other Endpoint
Key safety and efficacy measures include incidence/severity of adverse events, pharmacokinetic parameters (Cmax, Tmax), and immunogenicity (anti-PCA062 antibodies) over 84 days. Clinical endpoints such as overall response rate (ORR), duration of response (DOR), progression-free survival (PFS), and disease control rate (DCR) are monitored throughout treatment cycles (14-day intervals) and up to 18 months to assess therapeutic efficacy.

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Experiment 2 Reporting the Activity Date of This ADC [44]
Efficacy Data Disease Control Rate (DCR)
22.60
33.30
22.20 %
Patients Enrolled
Advanced solid tumors expressing P-cadherin, TNBC, head and neck squamous cell carcinoma (HNSCC), esophageal cancer, cervical cancer, and non-small cell lung cancer (NSCLC).
Administration Dosage
At 10 different dose levels of PCA062, ranging from 0.40 to 5.00 mg/kg every 2 weeks administered as a 1-hour intravenous infusion.
Related Clinical Trial
NCT Number NCT02375958  Clinical Status Phase 1
Clinical Description
A phase 1 multi-center, open-label dose escalation and expansion study of PCA062 administered intravenously in adult patients with p-CAD positive tumors.
Primary Endpoint
The MTD was PCA062 3.60 mg/kg every 2 weeks.No patient achieved a complete response. Only 1 patient with stage IV metastatic HNSCC treated at 0.90 mg/kg achieved a confirmed partial response (PR) as best overall response (BOR). The disease control rate (DCR) for the 31 patients with other tumors was 22.60% (95% CI, 9.60-41.10). In patients with HNSCC (n = 6), DCR was 33.30% (95% CI, 4.30-77.70), and in patients with esophageal cancer (n = 9), DCR was 22.20% (95% CI, 2.80-60.00).

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LOP628 [Phase 1 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [41]
Patients Enrolled
Eligibility criteria require documented cKit-positive neoplasms (solid tumors) or AML with specific progression patterns, measurable disease, and blast count limits (AML). Exclusion criteria address CNS metastases, significant comorbidities, prior cKit-directed antibody therapy, pregnancy, and prior bone marrow transplant (AML), ensuring patient safety while maintaining study validity across both tumor types.

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Administration Dosage
Infusions were given of either 0.3 mg/kg LOP628, without premedication, or 0.15 mg/kg LOP628, with premedication of dexamethasone and cetirizine.
Related Clinical Trial
NCT Number NCT02221505  Clinical Status PHASE1
Clinical Description
A Phase I, Multicenter, Open-label Dose Escalation and Expansion Study of LOP628, Administered Intravenously in Adult Patients With cKit-positive Tumors and Acute Myeloid Leukemia
Primary Endpoint
The study assesses the incidence of dose-limiting toxicities (DLTs) over 12 months to determine the maximum tolerated dose/recommended dose for expansion (MTD/RDE) of LOP628, evaluating its safety and feasibility at different dosage levels.
Other Endpoint
The trial evaluates multiple safety and efficacy endpoints over 30 months, including adverse event incidence, pharmacokinetics (PK) profiles (AUC, Cmax, etc.), and preliminary anti-tumor activity metrics (ORR, DOR, PFS, DCR, BOR). For AML patients, additional assessments like event-free survival (EFS) and duration of response are included to comprehensively characterize LOP628's therapeutic potential across hematological and solid tumor indications.

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Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 7 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 43.30% Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive GIST430 xenograft model. Animals were administered a single i.v. injection of the vehicle, IgG-ADC, or LOP628, LMJ729, imatinib.
In Vivo Model KIT-expressing GIST430 xenograft model
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 46% Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive NCI-H1048 SCLC xenograft model. Animals were administered a single i.v. injection of the vehicle, IgG-ADC, or LOP628; twice daily 80 mg/kg oral doses of imatinib or the combination of LOP628 with imatinib.
In Vivo Model KIT-expressing NCI-H1048 SCLC xenograft model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 3 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 75% Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive GIST430 xenograft model. Animals were administered a single i.v. injection of the vehicle, IgG-ADC, or LOP628, LMJ729, imatinib.
In Vivo Model KIT-expressing GIST430 xenograft model
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 4 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 80.20% Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive GIST-T1 xenograft model. Animals were administered a single i.v. injection of the vehicle, IgG-ADC, or LOP628; twice daily 80 mg/kg oral doses of imatinib or the combination of LOP628 with imatinib.
In Vivo Model KIT-expressing GIST-T1 xenograft model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 5 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI)
82.20%
Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive GIST-T1 xenograft model. An efficacy study (single 0.625 mg/kg dose) in the GIST-T1 xenograft model in mice was performed.
In Vivo Model KIT-expressing GIST-T1 xenograft model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 6 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 87.30% Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive NCI-H1048 SCLC xenograft model. Animals were administered a single i.v. injection of the vehicle, IgG-ADC, or LOP628; twice daily 80 mg/kg oral doses of imatinib or the combination of LOP628 with imatinib.
In Vivo Model KIT-expressing NCI-H1048 SCLC xenograft model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [47]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93.30% Positive KIT expression (KIT+++/++)
Method Description
The in vivo antitumor activity of LOP-628 was evaluated in a c-KIT positive NCI-H1048 SCLC xenograft model. Animals were administered a single i.v. injection of the vehicle, IgG-ADC, or LOP628; twice daily 80 mg/kg oral doses of imatinib or the combination of LOP628 with imatinib.
In Vivo Model KIT-expressing NCI-H1048 SCLC xenograft model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [47]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) < 0.5 nM Positive KIT expression (KIT+++/++)
Method Description
The inhibitory activity of LOP-628 against cancer cell growth was compared with LMJ729 against cancer cell growth in vitro.
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 2 Reporting the Activity Date of This ADC [47]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) < 1 nM Positive KIT expression (KIT+++/++)
Method Description
The inhibitory activity of LOP-628 against cancer cell growth was compared with LMJ729 against cancer cell growth in vitro.
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 3 Reporting the Activity Date of This ADC [47]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) > 10 nM Negative KIT expression (KIT-)
Method Description
The inhibitory activity of LOP-628 against cancer cell growth was compared with LMJ729 against cancer cell growth in vitro.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
SHR-A1201 [Phase 1]
Identified from the Human Clinical Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [42]
Administration Dosage
There were a total of 4 dose-escalation sequences, 1.2 mg/kg, 2.4 mg/kg, 3.6 mg/kg and 4.8 mg/kg
Related Clinical Trial
NCT Number CTR20191558  Clinical Status PHASE1
Clinical Description
.
Experiment 2 Reporting the Activity Date of This ADC [46]
Patients Enrolled
HER2-positive locally advanced or metastatic breast cancer (positivity for HER2 was defined as a score of 2+ in immunohistochemical analysis and a positive result in fluorescence in situ hybridization or a score of 3+ in immunohistochemical analysis), the standard treatment was invalid or there was no effective standard treatment plan, the Eastern Cooperative Oncology Group performance status score was 0-1.

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Administration Dosage
4 dose-escalation sequences, 1.20 mg/kg, 2.40 mg/kg, 3.60 mg/kg and 4.80 mg/kg, once every 21days, as a 90-min intravenous infusion.
Laprituximab emtansine [Phase 1 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [43]
Patients Enrolled
Eligibility requires EGFR-positive solid tumor patients (&ge;18 years) with progressed/refractory disease, adequate organ function, and contraception adherence. Exclusions involve concurrent anticancer therapy, symptomatic brain metastases, uncontrolled comorbidities, high-risk skin conditions, or prior severe EGFR-therapy rash. Active HIV/hepatitis or pregnancy also disqualifies participants.

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Related Clinical Trial
NCT Number NCT01963715  Clinical Status PHASE1
Clinical Description
A Phase 1, Multi-center, Open-label Study of IMGN289 Administered Intravenously in Adult Patients With EGFR-positive Solid Tumors
Primary Endpoint
The study evaluates dose-limiting toxicities in participants over 2 years, focusing on safety and tolerability metrics as primary endpoints.
Other Endpoint
Secondary endpoints include monitoring adverse events, pharmacokinetic parameters (plasma concentration AUC, Cmax of IMGN289), immunogenicity (HAHA/HADA), and preliminary anti-tumor activity via RECIST 1.1 criteria over 2 years.
Experiment 2 Reporting the Activity Date of This ADC [45]
Related Clinical Trial
NCT Number NCT01963715  Clinical Status Phase 1
Clinical Description
A phase 1, multi-center, open-label study of IMGN289 administered intravenously in adult patients with EGFR-positive solid tumors.
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [48]
Efficacy Data Tumor Growth Inhibition value (TGI)
58.30%
High EGFR expression (EGFR+++/++)
Method Description
The cytotoxic activity of IMGN289 was evaluated against a panel of SCCHN cell lines in vitro. Immunodeficient mice bearing established subcutaneous xenograft tumors were treated with a single intravenous injection of IMGN289 at 1,2.5 or 5.0 mg/kg (based on antibody concentration). IMGN289 dose was 5 mg/kg administered as a single injection.
In Vivo Model Head and neck squamous cell carcinomas CDX model
In Vitro Model Hypopharyngeal squamous cell carcinoma FaDu cells CVCL_1218
Experiment 2 Reporting the Activity Date of This ADC [48]
Efficacy Data Tumor Growth Inhibition value (TGI)
83.30%
High EGFR expression (EGFR+++/++)
Method Description
The cytotoxic activity of IMGN289 was evaluated against a panel of SCCHN cell lines in vitro. Immunodeficient mice bearing established subcutaneous xenograft tumors were treated with a single intravenous injection of IMGN289 at 1,2.5 or 5.0 mg/kg (based on antibody concentration). IMGN289 dose was 5 mg/kg administered as a single injection.
In Vivo Model Head and neck squamous cell carcinomas CDX model
In Vitro Model Oral cavity squamous cell carcinoma HSC-2 cells CVCL_1287
Experiment 3 Reporting the Activity Date of This ADC [48]
Efficacy Data Minimal Effective Dose (MED)
1 mg/kg
High EGFR expression (EGFR+++/++)
Method Description
The cytotoxic activity of IMGN289 was evaluated against a panel of SCCHN cell lines in vitro. Immunodeficient mice bearing established subcutaneous xenograft tumors were treated with a single intravenous injection of IMGN289 at 1,2.5 or 5.0 mg/kg (based on antibody concentration).
In Vivo Model Head and neck squamous cell carcinomas CDX model
In Vitro Model Hypopharyngeal squamous cell carcinoma FaDu cells CVCL_1218
Experiment 4 Reporting the Activity Date of This ADC [48]
Efficacy Data Minimal Effective Dose (MED)
2.5 mg/kg
High EGFR expression (EGFR+++/++)
Method Description
The cytotoxic activity of IMGN289 was evaluated against a panel of SCCHN cell lines in vitro. Immunodeficient mice bearing established subcutaneous xenograft tumors were treated with a single intravenous injection of IMGN289 at 1,2.5 or 5.0 mg/kg (based on antibody concentration).
In Vivo Model Head and neck squamous cell carcinomas CDX model
In Vitro Model Oral cavity squamous cell carcinoma HSC-2 cells CVCL_1287
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [49]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.25 nM
High EGFR expression (EGFR+++/++)
Method Description
Effects of IMGN289 on clonogenicity and proliferation were tested in HNSCC cell lines with varying cetuximab and gefitinib sensitivities.
In Vitro Model Head and neck squamous cell carcinoma HNSCC cells Homo sapiens
Anti-FGFR2/4 mAb-12425 SMCC-DM1 [Investigative]
Discovered Using Patient-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 9.18% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 5 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model Breast cancer PDX model
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 60.63% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 10 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model Gastric cancer PDX model (PDX: CHGA-010)
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 73.73% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 10 mg/kg intravenous (i.v, q3w x2) injection of one antibody drug conjugates.

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In Vivo Model Gastric cancer PDX model (PDX: CHGA-010)
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 81.30% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 15 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model Breast cancer PDX model
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 52.51% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 10 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model MFM223 CDX model
In Vitro Model Breast carcinoma MFM-223 cells CVCL_1408
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 63.93% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 171.7 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 5 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model NCI-H716 CDX model
In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 66.08% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 171.7 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 15 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model NCI-H716 CDX model
In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 97.41% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1-0.7 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.15 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.17 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Breast carcinoma SUM52PE cells CVCL_3425
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 5 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Breast carcinoma MFM-223 cells CVCL_1408
Experiment 6 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 30 nM Negative FGFR2 expression (FGFR2-)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric carcinoma NUGC-3 cells CVCL_1612
C12G1-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 9 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 0% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 5 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells CVCL_0532
Experiment 2 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 0% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 1 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells CVCL_0532
Experiment 3 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 10.40% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 3 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells CVCL_0532
Experiment 4 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 11.50% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 1 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian cancer Ovarian cancer cells Homo sapiens
Experiment 5 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 19.60% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 5 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian cancer Ovarian cancer cells Homo sapiens
Experiment 6 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 32.90% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 1 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian adenocarcinoma OV-90 cells CVCL_3768
Experiment 7 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 46.40% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 3 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian cancer Ovarian cancer cells Homo sapiens
Experiment 8 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 84.40% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 3 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian adenocarcinoma OV-90 cells CVCL_3768
Experiment 9 Reporting the Activity Date of This ADC [51]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 88.90% High NECTIN2 expression (NECTIN2+++)
Method Description
Treatments c12G1-DM1 at 5 mg/kg every 4th day by intraperitoneal injection.
In Vivo Model Ovarian cancer CDX model
In Vitro Model Ovarian adenocarcinoma OV-90 cells CVCL_3768
NN2101-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 9 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 2.01% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,2 mg/kg.

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In Vivo Model GIST xenograft model
In Vitro Model Mast cell leukemia HMC-1.2 cells CVCL_H205
Experiment 2 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 12.30% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,1 mg/kg.

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In Vivo Model GIST xenograft model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 3 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 20.50% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,3 mg/kg.

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In Vivo Model SCLC xenograft model
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 4 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 50.40% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,1 mg/kg.

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In Vivo Model GIST xenograft model
In Vitro Model Adult hepatocellular carcinoma Huh-7 cells CVCL_0336
Experiment 5 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 61.30% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,5 mg/kg.

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In Vivo Model GIST xenograft model
In Vitro Model Mast cell leukemia HMC-1.2 cells CVCL_H205
Experiment 6 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 61.30% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,3.5 mg/kg.

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In Vivo Model GIST xenograft model
In Vitro Model Mast cell leukemia HMC-1.2 cells CVCL_H205
Experiment 7 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 87.90% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,3 mg/kg.

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In Vivo Model GIST xenograft model
In Vitro Model Adult hepatocellular carcinoma Huh-7 cells CVCL_0336
Experiment 8 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.10% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,3 mg/kg. The mice were intraperitoneally administered Etoposide was prepared in dimethyl sulfoxide, and the solution was diluted in PBS just before administration. The mice were intraperitoneally administered etoposide for 2 cycles (3 mg/kg per day;days 15 and days 1115).

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In Vivo Model GIST xenograft model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 9 Reporting the Activity Date of This ADC [52]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 94.30% Positive KIT expression (KIT+++/++)
Method Description
The animal room had a controlled 12/12-h light/dark cycle (lights on at 06:00 AM), temperature (20±26 °C), and relativehumidity (50±10%). For xenograft assays, mice were anesthetized with isoflurane. Then, cells in 50% Matrigel were subcutaneously transplanted into 5-week-old female C.B-17 severe combined immunodeficiency (SCID) mice. In vivo efficacy studies were initiated when the volume of the tumors reached ~ 200 mm3. Imatinib was formulated in distilled water for oral administration. The mice were intravenously administered NN2101-DM1 three times at the indicated concentrations,3 mg/kg. The mice were intraperitoneally administered Etoposide was prepared in dimethyl sulfoxide, and the solution was diluted in PBS just before administration. The mice were intraperitoneally administered etoposide for 2 cycles (3 mg/kg per day;days 15 and days 1115).

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In Vivo Model SCLC xenograft model
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Revealed Based on the Cell Line Data
Click To Hide/Show 19 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.38 ng/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 2 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.43 ng/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Gastrointestinal stromal tumor GIST-430/654 cells CVCL_7040
Experiment 3 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.02 ng/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 4 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
8.07 ng/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 5 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.77 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Mast cell leukemia HMC-1.2 cells CVCL_H205
Experiment 6 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.18 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.52 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Ovarian serous adenocarcinoma Caov-3 cells CVCL_0201
Experiment 8 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.54 ug/mL
Negative KIT expression (KIT-)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 9 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.99 ug/mL
Negative KIT expression (KIT-)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 10 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
3.71 ug/mL
Negative KIT expression (KIT-)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Lung squamous cell carcinoma NCI-H2170 cells CVCL_1535
Experiment 11 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.03 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Ovarian serous adenocarcinoma OVCAR-3 cells CVCL_0465
Experiment 12 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.3 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Ovarian serous cystadenocarcinoma SK-OV-3 cells CVCL_0532
Experiment 13 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
5.47 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 14 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
7.38 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Esophageal squamous cell carcinoma TF-1 cells CVCL_1759
Experiment 15 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
11.84 ug/mL
Negative KIT expression (KIT-)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Normal COS-7 cells CVCL_0224
Experiment 16 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
11.95 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Normal HUVEC-C cells CVCL_2959
Experiment 17 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
12.47 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Lung small cell carcinoma NCI-H889 cells CVCL_1598
Experiment 18 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
17.49 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Gastrointestinal stromal tumor GIST48 cells CVCL_7041
Experiment 19 Reporting the Activity Date of This ADC [52]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
17.63 ug/mL
Positive KIT expression (KIT+++/++)
Method Description
For apoptosis assays, the cells were seeded into 96-well plates and incubated in a humidified CO2 chamber for 16 h. The cells were incubated with vehicle, NN2101-DM1 (1g/mL) for 72 h.
In Vitro Model Lung small cell carcinoma Ms-1 cells CVCL_IQ55
Anti-FGFR2 mAb-10164 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 2.05% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 171.7 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 5 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model NCI-H716 CDX model
In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 57.22% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 171.7 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 15 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model NCI-H716 CDX model
In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 65.68% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 10 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model MFM223 CDX model
In Vitro Model Breast carcinoma MFM-223 cells CVCL_1408
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93.61% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.14 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Breast carcinoma SUM52PE cells CVCL_3425
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.5 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.6 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.7 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 5 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
3.5 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Breast carcinoma MFM-223 cells CVCL_1408
Experiment 6 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 30 nM Negative FGFR2 expression (FGFR2-)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric carcinoma NUGC-3 cells CVCL_1612
T-DM1-IR700 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [20]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 10.10% Negative HER2 expression (HER2 -)
Method Description
Tra-IR700 (3.6 ug/g) or T-DM1-IR700 (3.6 ug/g) was administered intravenously to mice on Day 1 (without NIR light, 6 days after tumor cell transplantation). The dose similar to that of T-DM1 administered to humans (3.6 mg/kg). The NIR-light was irradiated at 1 and 2 days after the drug administration.
In Vivo Model MDA-MB-468GFP CDX model
In Vitro Model Breast adenocarcinoma MDA-MB-468GFP cells CVCL_DH83
Experiment 2 Reporting the Activity Date of This ADC [20]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 36.40% Negative HER2 expression (HER2 -)
Method Description
Tra-IR700 (3.6 ug/g) or T-DM1-IR700 (3.6 ug/g) was administered intravenously to mice on Day 1 (without NIR light, 6 days after tumor cell transplantation). The dose similar to that of T-DM1 administered to humans (3.6 mg/kg). The NIR-light was irradiated at 1 and 2 days after the drug administration.
In Vivo Model MDA-MB-468GFP CDX model
In Vitro Model Breast adenocarcinoma MDA-MB-468GFP cells CVCL_DH83
Revealed Based on the Cell Line Data
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.10 - 10 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells (100,000) were seeded in 12-well dishes and incubated with Tra-IR700 (10 ug/ml) or T-DM1-IR700 (10 ug/ml) for 6 h at 37°C. For NIR-PIT, cells were irradiated with 4 J/cm2 of NIR light from a 690 nm-Laser.
In Vitro Model Lung adenocarcinoma NCI-H1975 cells CVCL_1511
Experiment 2 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.10 - 10 nM
Low HER2 expression (HER2+)
Method Description
Cells (100,000) were seeded in 12-well dishes and incubated with Tra-IR700 (10 ug/ml) or T-DM1-IR700 (10 ug/ml) for 6 h at 37°C. For NIR-PIT, cells were irradiated with 4 J/cm2 of NIR light from a 690 nm-Laser.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
Experiment 3 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.10 - 10 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells (100,000) were seeded in 12-well dishes and incubated with Tra-IR700 (10 ug/ml) or T-DM1-IR700 (10 ug/ml) for 6 h at 37°C. For NIR-PIT, cells were irradiated with 4 J/cm2 of NIR light from a 690 nm-Laser.
In Vitro Model Lung adenocarcinoma Calu-3 cells CVCL_0609
Experiment 4 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.10 - 10 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells (100,000) were seeded in 12-well dishes and incubated with Tra-IR700 (10 ug/ml) or T-DM1-IR700 (10 ug/ml) for 6 h at 37°C. For NIR-PIT, cells were irradiated with 4 J/cm2 of NIR light from a 690 nm-Laser.
In Vitro Model Lung squamous cell carcinoma NCI-H2170 cells CVCL_1535
Experiment 5 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.5 nM
Positive HER2 expression (HER2 +++/++)
Method Description
Cells (100,000) were seeded in 12-well dishes and incubated with Tra-IR700 (10 ug/ml) or T-DM1-IR700 (10 ug/ml) for 6 h at 37°C. For NIR-PIT, cells were irradiated with 4 J/cm2 of NIR light from a 690 nm-Laser.
In Vitro Model Breast adenocarcinoma 3T3/HER2-luc-GFP cells Mus musculus
Experiment 6 Reporting the Activity Date of This ADC [20]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
100 nM
Negative HER2 expression (HER2 -)
Method Description
Cells (100,000) were seeded in 12-well dishes and incubated with Tra-IR700 (10 ug/ml) or T-DM1-IR700 (10 ug/ml) for 6 h at 37°C. For NIR-PIT, cells were irradiated with 4 J/cm2 of NIR light from a 690 nm-Laser.
In Vitro Model Breast adenocarcinoma MDA-MB-468GFP cells CVCL_DH83
F105-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [53]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 17.58% Positive ITGAV expression (ITGAV +++/++)
Method Description
The rear flank region of female athymic rats were implanted with 5x106 cells subcutaneously (0.2 ml of25 x106 cells/ml) on the rear flank area. When mean tumor volumes reached to 250 mm3, dosed intravenously (15 mg/kg) on days 17 and 29 after tumor cell injection.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Anti-KIT NEG085-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 11 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 20.12% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (1.25 mg/kg).

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In Vivo Model GIST430 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 32.28% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (1.25 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 39.65% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.5 mg/kg).

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In Vivo Model GIST430 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 69.09% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (5 mg/kg).

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In Vivo Model GIST430 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 72% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 75.90% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.5 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 77.25% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (5 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 79.31% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (1.25 mg/kg).

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In Vivo Model NCI-H526 CDX model
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 81.81% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.0 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 95.44% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.5 mg/kg).

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In Vivo Model NCI-H526 CDX model
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 99.51% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (5 mg/kg).

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In Vivo Model NCI-H526 CDX model
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Revealed Based on the Cell Line Data
Click To Hide/Show 16 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
59%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
71%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
76%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
80%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
90%
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
98%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.01 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.03 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.04 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 12 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.47 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 13 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.55 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 14 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.64 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 15 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.82 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 16 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
46.83 nM
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
HcHAb18-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 8 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 23.23% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (1 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of A549 cells with CD147 expression with high expression.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 2 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 23.23% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (2 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of A549 cells with CD147 expression with high expression.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 3 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 38.63% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (4 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of A549 cells with CD147 expression with high expression.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 4 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 56.95% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (8 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of A549 cells with CD147 expression with high expression.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 5 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 89.22% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (16 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of A549 cells with CD147 expression with high expression.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 6 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 94.20% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (30 mg/kg, i.v. injection weekly in a total 4 doses) induces efficient tumor cell killing in cell line-derived models of NCI-H226 cells with CD147 expression with high expression.
In Vivo Model NCI-H226 CDX model
In Vitro Model Pleural epithelioid mesothelioma NCI-H226 cells CVCL_1544
Experiment 7 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 95.84% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (32 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of A549 cells with CD147 expression with high expression.
In Vivo Model A549 CDX model
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 8 Reporting the Activity Date of This ADC [55]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 97.40% Positive CD147 expression (CD147 +++/++)
Method Description
HcHAb18-DM1 (18 mg/kg, twice a week for 4 weeks) induces efficient tumor cell killing in cell line-derived models of NCI-H460 cells with CD147 expression with high expression.
In Vivo Model NCI-H460 CDX model
In Vitro Model Lung large cell carcinoma NCI-H460 cells CVCL_0459
Revealed Based on the Cell Line Data
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [55]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.46 ug/mL
Positive CD147 expression (CD147 +++/++)
Method Description
In vitro efficacy of HcHAb18-DM1 versus HcHAb18 and IgG1-DM1 on six cell lines treated for 72 h.
In Vitro Model Pleural epithelioid mesothelioma NCI-H226 cells CVCL_1544
Experiment 2 Reporting the Activity Date of This ADC [55]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.77 ug/mL
Positive CD147 expression (CD147 +++/++)
Method Description
In vitro efficacy of HcHAb18-DM1 versus HcHAb18 and IgG1-DM1 on six cell lines treated for 72 h.
In Vitro Model Lung large cell carcinoma NCI-H460 cells CVCL_0459
Experiment 3 Reporting the Activity Date of This ADC [55]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.96 ug/mL
Positive CD147 expression (CD147 +++/++)
Method Description
In vitro efficacy of HcHAb18-DM1 versus HcHAb18 and IgG1-DM1 on six cell lines treated for 72 h.
In Vitro Model Lung squamous cell carcinoma NCI-H520 cells CVCL_1566
Experiment 4 Reporting the Activity Date of This ADC [55]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
18.26 ug/mL
Positive CD147 expression (CD147 +++/++)
Method Description
In vitro efficacy of HcHAb18-DM1 versus HcHAb18 and IgG1-DM1 on six cell lines treated for 72 h.
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
CNTO95-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [53]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 28.74% Positive ITGAV expression (ITGAV +++/++)
Method Description
On the day of grouping (Day 0), animals were weighed and intravenously injectedwith control ADC at 25 mg/kg. All testand control articles were given in a volume of 1ml/100 gm of body weight. CNTO 364 at 3 mg/kg groups was administered i.v. on a q7dx5 schedule.
In Vivo Model A375.S2 CDX model
In Vitro Model Amelanotic melanoma A375.S2 cells CVCL_0136
Experiment 2 Reporting the Activity Date of This ADC [53]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 44.54% Positive ITGAV expression (ITGAV +++/++)
Method Description
On the day of grouping (Day 0), animals were weighed and intravenously injectedwith control ADC at 25 mg/kg. All testand control articles were given in a volume of 1ml/100 gm of body weight. CNTO 364 at 6 mg/kg groups was administered i.v. on a q7dx5 schedule.
In Vivo Model A375.S2 CDX model
In Vitro Model Amelanotic melanoma A375.S2 cells CVCL_0136
Experiment 3 Reporting the Activity Date of This ADC [53]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 87.23% Positive ITGAV expression (ITGAV +++/++)
Method Description
On the day of grouping (Day 0), animals were weighed and intravenously injectedwith control ADC at 25 mg/kg. All testand control articles were given in a volume of 1ml/100 gm of body weight. CNTO 364 at 10 mg/kg groups was administered i.v. on a q7dx5 schedule.
In Vivo Model A375.S2 CDX model
In Vitro Model Amelanotic melanoma A375.S2 cells CVCL_0136
Experiment 4 Reporting the Activity Date of This ADC [53]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 95.81% Positive ITGAV expression (ITGAV +++/++)
Method Description
On the day of grouping (Day 0), animals were weighed and intravenously injectedwith control ADC at 25 mg/kg. All testand control articles were given in a volume of 1ml/100 gm of body weight. CNTO 364 at 15 mg/kg groups was administered i.v. on a q7dx5 schedule.
In Vivo Model A375.S2 CDX model
In Vitro Model Amelanotic melanoma A375.S2 cells CVCL_0136
Anti-FGFR2/4 mAb-12422 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 30.85% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 171.7 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 5 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model NCI-H716 CDX model
In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 35.79% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 171.7 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 15 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model NCI-H716 CDX model
In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 80.52% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
4C9-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [56]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 40% Positive KIT expression (KIT+++/++)
Method Description
In vivo efficacy of 4C9-DM1 was examined using mouse models xenotransplanted with NCI-H526, mice with established tumors were randomized into different treatment groups when the tumor volume reached ~200 mm 3. The dose of 4C9-DM1 was 1 mg/kg twice at day 0 and day 7.
In Vivo Model Small cell lung cancer CDX model
In Vitro Model Small cell lung cancer Small cell lung cancer cells Homo sapiens
Experiment 2 Reporting the Activity Date of This ADC [56]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 45% Positive KIT expression (KIT+++/++)
Method Description
In vivo efficacy of 4C9-DM1 was examined using mouse models xenotransplanted with NCI-H526, mice with established tumors were randomized into different treatment groups when the tumor volume reached ~200 mm 3. The dose of 4C9-DM1 was 3 mg/kg twice at day 0 and day 7.
In Vivo Model Small cell lung cancer CDX model
In Vitro Model Small cell lung cancer Small cell lung cancer cells Homo sapiens
Experiment 3 Reporting the Activity Date of This ADC [56]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 59% Positive KIT expression (KIT+++/++)
Method Description
In vivo efficacy of 4C9-DM1 was examined using mouse models xenotransplanted with NCI-H526, mice with established tumors were randomized into different treatment groups when the tumor volume reached ~200 mm 3. The dose of 4C9-DM1 was 5 mg/kg twice at day 0 and day 7.
In Vivo Model Small cell lung cancer CDX model
In Vitro Model Small cell lung cancer Small cell lung cancer cells Homo sapiens
Revealed Based on the Cell Line Data
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [56]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.16 nM
Positive KIT expression (KIT+++/++)
Method Description
C-Kit positive or negative SCLC cell lines were seeded into 96-well plates and incubated with 4C9 or 4C9-DM1 in a dose-dependent manner for 35 days.
In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 2 Reporting the Activity Date of This ADC [56]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.32 nM
Positive KIT expression (KIT+++/++)
Method Description
C-Kit positive or negative SCLC cell lines were seeded into 96-well plates and incubated with 4C9 or 4C9-DM1 in a dose-dependent manner for 35 days.
In Vitro Model Lung small cell carcinoma NCI-H889 cells CVCL_1598
Experiment 3 Reporting the Activity Date of This ADC [56]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.08 nM
Positive KIT expression (KIT+++/++)
Method Description
C-Kit positive or negative SCLC cell lines were seeded into 96-well plates and incubated with 4C9 or 4C9-DM1 in a dose-dependent manner for 35 days.
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 4 Reporting the Activity Date of This ADC [56]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
16.58 nM
Negative KIT expression (KIT-)
Method Description
C-Kit positive or negative SCLC cell lines were seeded into 96-well plates and incubated with 4C9 or 4C9-DM1 in a dose-dependent manner for 35 days.
In Vitro Model Lung small cell carcinoma NCI-H446 cells CVCL_1562
Experiment 5 Reporting the Activity Date of This ADC [56]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
35.5 nM
Negative KIT expression (KIT-)
Method Description
C-Kit positive or negative SCLC cell lines were seeded into 96-well plates and incubated with 4C9 or 4C9-DM1 in a dose-dependent manner for 35 days.
In Vitro Model Lung squamous cell carcinoma NCI-H2170 cells CVCL_1535
Experiment 6 Reporting the Activity Date of This ADC [56]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
47.63 nM
Negative KIT expression (KIT-)
Method Description
C-Kit positive or negative SCLC cell lines were seeded into 96-well plates and incubated with 4C9 or 4C9-DM1 in a dose-dependent manner for 35 days.
In Vitro Model Amelanotic melanoma MDA-MB-435 cells CVCL_0417
Anti-KIT 20376-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 43% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 49% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 91% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.5 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 96% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (5 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 97% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Revealed Based on the Cell Line Data
Click To Hide/Show 16 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
54%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
69%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
69%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
79%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
95%
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
97%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
100%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.04 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.05 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.07 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 12 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 13 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.33 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 14 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.34 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 15 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.51 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 16 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.69 nM
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Anti-KIT NEG087-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 44% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Revealed Based on the Cell Line Data
Click To Hide/Show 16 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
57%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
70%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
78%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
80%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
90%
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
98%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.01 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.03 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.05 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 12 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.41 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 13 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.5 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 14 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
3.24 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 15 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
6.07 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 16 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
45.43 nM
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Anti-FGFR2 mAb-12433 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 44.97% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 208.4 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 10 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model MFM223 CDX model
In Vitro Model Breast carcinoma MFM-223 cells CVCL_1408
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 91.03% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 96.69% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 233 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 15 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.29 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Breast carcinoma SUM52PE cells CVCL_3425
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 3 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 4 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
24 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Breast carcinoma MFM-223 cells CVCL_1408
Experiment 5 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 30 nM Negative FGFR2 expression (FGFR2-)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric carcinoma NUGC-3 cells CVCL_1612
Experiment 6 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 30 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Cecum adenocarcinoma NCI-H716 cells CVCL_1581
Anti-KIT NEG026-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 45% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
TF-mAb-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [57]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 48% Positive TF expression (TF +++)
Method Description
Conjugates of the exemplary antibodies were tested using an established xenograft model implanted subcutaneous into SCID mice. Mice were randomized by body weight into treatment groups and treated once post cell inoculation with 3.75 mg/kg, i.v., qw of one of the conjugates listed above or with PBS only.
In Vivo Model HCC1806 CDX model
In Vitro Model Breast squamous cell carcinoma HCC1806 cells CVCL_1258
Experiment 2 Reporting the Activity Date of This ADC [57]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive TF expression (TF +++)
Method Description
Conjugates of the exemplary antibodies were tested using an established xenograft model implanted subcutaneous into SCID mice. Mice were randomized by body weight into treatment groups and treated once post cell inoculation with 15 mg/kg, i.v., qw of one of the conjugates listed above or with PBS only.
In Vivo Model HCC1806 CDX model
In Vitro Model Breast squamous cell carcinoma HCC1806 cells CVCL_1258
Revealed Based on the Cell Line Data
Click To Hide/Show 10 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.02 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Breast squamous cell carcinoma HCC1806 cells CVCL_1258
Experiment 2 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.04 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Pancreatic ductal adenocarcinoma BxPC-3 cells CVCL_0186
Experiment 3 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.07 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Invasive breast carcinoma Hs 578T cells CVCL_0332
Experiment 4 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
Experiment 5 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
17.2 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Glioblastoma U-87MG cells CVCL_0022
Experiment 6 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
25.4 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Lung adenocarcinoma NCI-H1975 cells CVCL_1511
Experiment 7 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Invasive breast carcinoma T-47D cells CVCL_0553
Experiment 8 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
100 nM
Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Invasive breast carcinoma MCF-7 cells CVCL_0031
Experiment 9 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Lung adenocarcinoma A-549 cells CVCL_0023
Experiment 10 Reporting the Activity Date of This ADC [57]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Positive TF expression (TF +++)
Method Description
Cells were plated at about 500 cells per well in a 96-well plate in 100 uL of media. In vitro activity and targeted delivery of ADCs, the isotype-matched negative controls ADCs, and naked antibodies control were assessed in cells.
In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Mirvetuximab-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Tumor Growth Inhibition value (TGI)
55.86%
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Animals with established tumors of about 130 mm3 were treated with intravenous single injection of the M9346A-DM conjugates at 25 02 mg/kg, equivalent to 51 3 g conjugated maytansinoid per kg The conjugates were injected on day 7 after cell inoculation.
In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 2 Reporting the Activity Date of This ADC [58]
Efficacy Data Tumor Growth Inhibition value (TGI)
99.17%
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Five-week-old female CB-17 severe combined immunodeficient (SCID) mice were obtained and quarantined for 7 days prior to study initiation Mice were inoculated subcutaneously with KB cells (1 x107 cells per mouse) resuspended in serum-free culture mediaMice with established KB xenografts were dosed with a single intravenous injection of 200 g of conjugated maytansinoid per kg, equivalent to 102 mg/kg antibody on day 6 after cell inoculationTumor dimensions were measured twice weekly and volume was calculated as (A B2) 05, where A represents the largest and B the perpendicular tumor diameter.

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In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Revealed Based on the Cell Line Data
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.08±0.01 nM
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 2 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.10±0.02 nM
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 3 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
7.00±2.00 nM
Moderate FOLR1 expression (FOLR1++; 290,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure) Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Gestational choriocarcinoma JEG-3 cells CVCL_0363
Experiment 4 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
20.00±0.70 nM
High FOLR1 expression (FOLR1+++; 1,300,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Ovarian endometrioid adenocarcinoma IGROV-1 cells CVCL_1304
HuMov19-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 7 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [59]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 56.67% Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugates of the exemplary anti-FOLR1 antibodies were tested using an established xenograft model of KB cells implanted subcutaneous into SCID mice. Mice were randomized by body weight into treatment groups and treated once on day 6 post cell inoculation with 2.5 mg/kg of one of the conjugates listed above or with PBS only.
In Vivo Model KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 2 Reporting the Activity Date of This ADC [59]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 89.15% Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugates of the exemplary anti-FOLR1 antibodies were tested using an established xenograft model of KB cells implanted subcutaneous into SCID mice. Mice were randomized by body weight into treatment groups and treated once on day 6 post cell inoculation with 5 mg/kg of one of the conjugates listed above or with PBS only.
In Vivo Model KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 3 Reporting the Activity Date of This ADC [59]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 99.52% Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugates of the exemplary anti-FOLR1 antibodies were tested using an established xenograft model of KB cells implanted subcutaneous into SCID mice. Mice were randomized by body weight into treatment groups and treated once on day 6 post cell inoculation with 10 mg/kg of one of the conjugates listed above or with PBS only.
In Vivo Model KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 4 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 5 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Ovarian endometrioid adenocarcinoma IGROV-1 cells CVCL_1304
Experiment 6 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Experiment 7 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
20 nM
Moderate FOLR1 expression (FOLR1 ++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Gestational choriocarcinoma JEG-3 cells CVCL_0363
Anti-KIT NEG086-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 57% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 88.61% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.0 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Revealed Based on the Cell Line Data
Click To Hide/Show 16 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
54%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
69%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
74%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
80%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
91%
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
98%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.01 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.03 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.06 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 12 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.43 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 13 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.52 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 14 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.83 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 15 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4.22 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 16 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
16.92 nM
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Anti-FGFR2/4 mAb-10918 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 61.12% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.61 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Anti-FGFR2/4 mAb-11722 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 61.76% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.59 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Anti-KIT NEG027-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 63.65% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 83.95% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (1.25 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 85.25% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.5 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
HuFR1-65-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Tumor Growth Inhibition value (TGI)
65%
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Five-week-old female CB-17 severe combined immunodeficient (SCID) mice were obtained and quarantined for 7 days prior to study initiation Mice were inoculated subcutaneously with KB cells (1 x107 cells per mouse) resuspended in serum-free culture mediaMice with established KB xenografts were dosed with a single intravenous injection of 200 g of conjugated maytansinoid per kg, equivalent to 102 mg/kg antibody on day 6 after cell inoculationTumor dimensions were measured twice weekly and volume was calculated as (A B2) 05, where A represents the largest and B the perpendicular tumor diameter.

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In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.08±0.02 nM
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
HuFR1-48-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Tumor Growth Inhibition value (TGI)
65%
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Five-week-old female CB-17 severe combined immunodeficient (SCID) mice were obtained and quarantined for 7 days prior to study initiation Mice were inoculated subcutaneously with KB cells (1 x107 cells per mouse) resuspended in serum-free culture mediaMice with established KB xenografts were dosed with a single intravenous injection of 200 g of conjugated maytansinoid per kg, equivalent to 102 mg/kg antibody on day 6 after cell inoculationTumor dimensions were measured twice weekly and volume was calculated as (A B2) 05, where A represents the largest and B the perpendicular tumor diameter.

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In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.07±0.02 nM
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Anti-FGFR2 mAb-12944 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 65.73% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Anti-FGFR2 mAb-10846 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 71.12% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.43 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Anti-FGFR2/4 mAb-10923 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 71.79% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.45 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Anti-FGFR2 mAb-11723 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 74.86% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.91 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Anti-FGFR2 mAb-10220 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 76.72% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 0.2 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.33 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Anti-KIT NEG024-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 77% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (0.625 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.01% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.0 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 99% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (2.5 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 NCI-H1048 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (5 mg/kg).

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In Vivo Model NCI-H1048 CDX model
In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Revealed Based on the Cell Line Data
Click To Hide/Show 16 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
53%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
66%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
72%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
78%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
92%
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
98%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.02 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.04 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.07 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 12 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.72 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST882 cells CVCL_7044
Experiment 13 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.74 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 14 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
5.26 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 15 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
8.49 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 16 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
22.77 nM
Negative KIT expression (KIT-)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Anti-FGFR2 mAb-11725 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 77.87% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
5 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
5.2 nM
Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
NBT062-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [60]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 78.02% Positive CD138 expression (CD138 +++/++)
Method Description
MOLP-8 cells (1.5x107 cells per mouse) suspended in a 50:50 mixture of serum free media and matrigel were injected subcutaneously in the area under the right shoulder in 100 ul. Nine groups (n=6) were treated with a single intravenous injection of ADCs, each at doses of 250 ug/kg.
In Vivo Model MOLP-8 CDX model
In Vitro Model Plasma cell myeloma MOLP-8 cells CVCL_2124
Experiment 2 Reporting the Activity Date of This ADC [60]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93.32% Positive CD138 expression (CD138 +++/++)
Method Description
MOLP-8 cells (1.5x107 cells per mouse) suspended in a 50:50 mixture of serum free media and matrigel were injected subcutaneously in the area under the right shoulder in 100 ul. Nine groups (n=6) were treated with a single intravenous injection of ADCs, each at doses of 250 ug/kg per week (five weeks).
In Vivo Model MOLP-8 CDX model
In Vitro Model Plasma cell myeloma MOLP-8 cells CVCL_2124
Experiment 3 Reporting the Activity Date of This ADC [60]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 94.27% Positive CD138 expression (CD138 +++/++)
Method Description
MOLP-8 cells (1.5x107 cells per mouse) suspended in a 50:50 mixture of serum free media and matrigel were injected subcutaneously in the area under the right shoulder in 100 ul. Nine groups (n=6) were treated with a single intravenous injection of ADCs, each at doses of 450 ug/kg.
In Vivo Model MOLP-8 CDX model
In Vitro Model Plasma cell myeloma MOLP-8 cells CVCL_2124
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [60]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive CD138 expression (CD138 +++/++)
Method Description
CD138+ MOLP-8 cells were seeded in flat bottom plates at 3000 cells/well. CD138- BJAB control cells were seeded at 1000 cells/weli. The cells were treated with nBT062-SPDB-DM4nBT062-SPP-DM1 or nBT062-SMCC-DM1 at different concentrations for five days.
In Vitro Model Plasma cell myeloma MOLP-8 cells CVCL_2124
Experiment 2 Reporting the Activity Date of This ADC [60]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Negative CD138 expression (CD138 -)
Method Description
CD138+ MOLP-8 cells were seeded in flat bottom plates at 3000 cells/well. CD138- BJAB control cells were seeded at 1000 cells/weli. The cells were treated with nBT062-SPDB-DM4nBT062-SPP-DM1 or nBT062-SMCC-DM1 at different concentrations for five days.
In Vitro Model Burkitt lymphoma BJAB cells CVCL_5711
Anti-KIT 9P3-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 78.93% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with Kasumi-1 cells. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model Kasumi-1 CDX model
In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 84.35% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with Kasumi-1 cells. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of 2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model HMC-1 CDX model
In Vitro Model Mast cell leukemia HMC-1 cells CVCL_0003
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model GIST430 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (10 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive KIT expression (KIT+++/++)
Method Description
Female SCID-beige mice were implanted subcutaneously with 10,000,000 cells. The total injection volume containingcells in suspension was 200 ul. Mice were enrolled in the study 15 days post implantation withaverage tumor volume of about 120 mm3. All treated groups received a single intravenous dose of2 mg/kg. After being randomly assigned to groups (n = 8/group), mice were administered a single i.v.dose of TBS (5 ml/kg) or ADC (5 mg/kg).

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In Vivo Model GIST-T1 CDX model
In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Revealed Based on the Cell Line Data
Click To Hide/Show 28 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
60%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 2 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
75%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 3 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
86%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H889 cells CVCL_1598
Experiment 4 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
87%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1930 cells CVCL_1507
Experiment 5 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
91%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute megakaryoblastic leukemia CMK-11-5 cells CVCL_0217
Experiment 6 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
92%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 7 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
95%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Erythroleukemia HEL 92.1.7 cells CVCL_2481
Experiment 8 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
98%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 9 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Experiment 10 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Essential thrombocythemia UKE-1 cells CVCL_0104
Experiment 11 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Adult acute myeloid leukemia SKNO-1 cells CVCL_2196
Experiment 12 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
99%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia OCI-M1 cells CVCL_2149
Experiment 13 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
100%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute megakaryoblastic leukemia M-07e cells CVCL_2106
Experiment 14 Reporting the Activity Date of This ADC [54]
Efficacy Data Max inhibition rate (MIR)
100%
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 15 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.02 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST-T1 cells CVCL_4976
Experiment 16 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.05 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H526 cells CVCL_1569
Experiment 17 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.05 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute megakaryoblastic leukemia CMK-11-5 cells CVCL_0217
Experiment 18 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.08 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Gastrointestinal stromal tumor GIST430 cells CVCL_7040
Experiment 19 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.08 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute megakaryoblastic leukemia M-07e cells CVCL_2106
Experiment 20 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.09 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1930 cells CVCL_1507
Experiment 21 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.11 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia OCI-M1 cells CVCL_2149
Experiment 22 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.15 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H889 cells CVCL_1598
Experiment 23 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
0.61 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Erythroleukemia HEL 92.1.7 cells CVCL_2481
Experiment 24 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
1.29 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Acute myeloid leukemia Kasumi-6 cells CVCL_0614
Experiment 25 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
1.8 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Essential thrombocythemia UKE-1 cells CVCL_0104
Experiment 26 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
3.6 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Adult acute myeloid leukemia SKNO-1 cells CVCL_2196
Experiment 27 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
4 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Myeloid leukemia with maturation Kasumi-1 cells CVCL_0589
Experiment 28 Reporting the Activity Date of This ADC [54]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50)
4.3 nM
Positive KIT expression (KIT+++/++)
Method Description
Cells were cultured in a tissue culture incubator at 37°C with 5% CO2 in culture medium. On the day of the assay, cells were washed twice with PBS, prior to being treated with 0.1% trypsin-EDTA for 5 min and resuspended in the recommended culture medium. Cells were then counted and seeded in 96 well plates at densities of 2,000-10,000 cells/well in 100 ul of cell culture medium.

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In Vitro Model Lung small cell carcinoma NCI-H1048 cells CVCL_1453
Anti-FGFR2/4 mAb-12439 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 80.60% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
HuFR1-49-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Tumor Growth Inhibition value (TGI)
85%
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Five-week-old female CB-17 severe combined immunodeficient (SCID) mice were obtained and quarantined for 7 days prior to study initiation Mice were inoculated subcutaneously with KB cells (1 x107 cells per mouse) resuspended in serum-free culture mediaMice with established KB xenografts were dosed with a single intravenous injection of 200 g of conjugated maytansinoid per kg, equivalent to 102 mg/kg antibody on day 6 after cell inoculationTumor dimensions were measured twice weekly and volume was calculated as (A B2) 05, where A represents the largest and B the perpendicular tumor diameter.

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In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.07±0.01 nM
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Anti-FGFR2 mAb-12931 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 85.56% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
HuFR1-57-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Tumor Growth Inhibition value (TGI)
86.67%
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Five-week-old female CB-17 severe combined immunodeficient (SCID) mice were obtained and quarantined for 7 days prior to study initiation Mice were inoculated subcutaneously with KB cells (1 x107 cells per mouse) resuspended in serum-free culture mediaMice with established KB xenografts were dosed with a single intravenous injection of 200 g of conjugated maytansinoid per kg, equivalent to 102 mg/kg antibody on day 6 after cell inoculationTumor dimensions were measured twice weekly and volume was calculated as (A B2) 05, where A represents the largest and B the perpendicular tumor diameter.

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In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [58]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.15±0.02 nM
High FOLR1 expression (FOLR1+++; 4,500,000 FOLR1 molecules/cell)
Method Description
Dilutions of conjugates or unconjugated maytansinoid in the appropriate culture medium were added to wells of 96-well flat-bottomed plates containing 1 x103 cells per well The plates were incubated at 37°C, 6% CO2 for either 5 days (continuos exposure) or for 4 hours followed by 5-day incubation in conjugate-free medium (short exposure). Cell viability was determined by the WST-8 assay in accordance with the manufacturer's protocol, and IC50 were generated using a sigmoidal dose-response (variable slope) nonlinear regression curve fit.

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In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
Anti-FGFR2 mAb-12947 SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.66% Positive FGFR2 expression (FGFR2+++/++)
Method Description
The total injection volume containing cells in suspension was 200 ul. Mice were enrolled in the first study eight days post implantation with average tumor volume of 192.9 mm3. After being randomly assigned to one of nine groups (n =8/group), mice were administered PBS or a single 3 mg/kg intravenous (i.v,) injection of one antibody drug conjugates.

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In Vivo Model SNU-16 CDX model
In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Down syndrome KATO III cells CVCL_0371
Experiment 2 Reporting the Activity Date of This ADC [50]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) < 3 nM Positive FGFR2 expression (FGFR2+++/++)
Method Description
Cells were counted and seeded in 96 well plates at densities of 2600-3600 cells/well in 100 ul of cell culture medium, A duplicate plate was generated for a day 0 measurement and all plates were incubated in a tissue culture incubator at 37°C with 5% CO2 overnight. Following this incubation, 50 ul/well of Cell titer Glo reagent was added to the day 0 plates, which were then shaken gently for 10 min and the resulting luminescence intensity was measured.

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In Vitro Model Gastric adenocarcinoma SNU-16 cells CVCL_0076
M9346A-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [59]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100% Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugates of the exemplary anti-FOLR1 antibodies were tested using an established xenograft model of OVCAR-3 cells implanted subcutaneous into SCID mice. Mice were randomized by body weight into treatment groups and treated once post cell inoculation with 10 mg/kg of one of the conjugates listed above or with PBS only.
In Vivo Model OVCAR-3 CDX model
In Vitro Model Ovarian serous adenocarcinoma OVCAR-3 cells CVCL_0465
FR1-48-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.05 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
FR1-65-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
FR1-57-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
FR1-49-SMCC-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [59]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.1 nM
Positive FOLR1 expression (FOLR1 +++/++)
Method Description
Conjugate in various concentrations was added to FOLR1-expressing cells in a 96 well plate at 1,000 cells per well in 100 pL in complete RPMI medium.
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
T-DM1-2.6 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [61]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.04 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells were cultured in a 10% fetal bovine serum (FBS)-containing RPMI 1640 medium and were planted into 96-well plates with 6000 cells per well. The plates were incubated overnight at 37°C in a 5% CO2 cell incubator.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [61]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.05 nM
Positive HER2 expression (HER2+++/++)
Method Description
Cells were cultured in a 10% fetal bovine serum (FBS)-containing RPMI 1640 medium and were planted into 96-well plates with 6000 cells per well. The plates were incubated overnight at 37°C in a 5% CO2 cell incubator.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 3 Reporting the Activity Date of This ADC [61]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 66 nM Negative HER2 expression (HER2 -)
Method Description
Cells were cultured in a 10% fetal bovine serum (FBS)-containing RPMI 1640 medium and were planted into 96-well plates with 6000 cells per well. The plates were incubated overnight at 37°C in a 5% CO2 cell incubator.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
H32-DM1_3.8 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.05 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.54 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 3 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.76 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
H32-DM1_3.3 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.05 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.65 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 3 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.65 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
H32-DM1_3.7 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.06 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.75 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 3 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.79 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
H32-DM1_3.0 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.08 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.77 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 3 Reporting the Activity Date of This ADC [19]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.84 nM
High HER2 expression (HER2 +++)
Method Description
To determine the IC50 values of the ADCs, different concentrations of each conjugate was directly added to the culture medium. After the cells were cultured for 3 days at 37°C, the number of viable cells was quantified by using the WST- reagent, and the absorbance was measured at OD450.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
5E3-emtansine [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 10 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.21 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma MM1.S cells CVCL_8792
Experiment 2 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.42 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma NCI-H929 cells CVCL_1600
Experiment 3 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.3 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma INA-6 cells CVCL_5209
Experiment 4 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.8 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma OCI-My7 cells CVCL_E333
Experiment 5 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
9.9 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma OCI-My5 cells CVCL_E332
Experiment 6 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
12.9 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma KMS-12-BM cells CVCL_1334
Experiment 7 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
16.9 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Multiple myeloma SK-MM-1 cells CVCL_A478
Experiment 8 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
35.3 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma OPM-2 cells CVCL_1625
Experiment 9 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
37 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma JIM3 cells CVCL_2533
Experiment 10 Reporting the Activity Date of This ADC [62]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
39.6 nM
Positive SEMA4A expression (SEMA4A +++/++)
Method Description
Cells were seeded at 5000 per well in a 96-well plate in complete RPMI 1640. Antibody-ZAP complexes (Advanced Targeting Systems; produced according to manufacturer's instructions) or ADCs were added to the cells and plates incubated for 72 hours and 5% carbon dioxide.
In Vitro Model Plasma cell myeloma LP-1 cells CVCL_0012
Trastuzumab-MCC-CpG conjugate [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [63]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.27 nM
Positive HER2 expression (HER2 +++/++)
Method Description
Human HER2 positive or negative cell lines and B14.3 HER2 cell lines were seeded at 1x104 cells per well in 96-well plates. Serial dilutions of vehicle control, isotype control, ODN, Trastuzumab and Trastuzumab-ODN conjugates were added and cells were incubated at 37°C, 5% CO2 for 48h.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 2 Reporting the Activity Date of This ADC [63]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.43 nM
Positive HER2 expression (HER2 +++/++)
Method Description
Human HER2 positive or negative cell lines and B14.3 HER2 cell lines were seeded at 1x104 cells per well in 96-well plates. Serial dilutions of vehicle control, isotype control, ODN, Trastuzumab and Trastuzumab-ODN conjugates were added and cells were incubated at 37°C, 5% CO2 for 48h.
In Vitro Model Esophageal adenocarcinoma OE19 cells CVCL_1622
Experiment 3 Reporting the Activity Date of This ADC [63]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Negative HER2 expression (HER2 -)
Method Description
Human HER2 positive or negative cell lines and B14.3 HER2 cell lines were seeded at 1x104 cells per well in 96-well plates. Serial dilutions of vehicle control, isotype control, ODN, Trastuzumab and Trastuzumab-ODN conjugates were added and cells were incubated at 37°C, 5% CO2 for 48h.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
EGFRvIII-MCC-DM1 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [64]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.4 nM
Positive EGFR vIII expression (EGFR vIII+++/++)
Method Description
Cells were seeded in PDL-coated 96 well plates at 375 for MMT/hEGFRvIII, 1500 for U251/hEGFRvIII, 2000 for HEK293/hEGFRvIII, or 3000 for C4-2, PC3, and T47D cells per well in complete growth media and grown overnight.
In Vitro Model Normal HEK293 cells CVCL_0045
Experiment 2 Reporting the Activity Date of This ADC [64]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
3 nM
Positive EGFR vIII expression (EGFR vIII+++/++)
Method Description
Cells were seeded in PDL-coated 96 well plates at 375 for MMT/hEGFRvIII, 1500 for U251/hEGFRvIII, 2000 for HEK293/hEGFRvIII, or 3000 for C4-2, PC3, and T47D cells per well in complete growth media and grown overnight.
In Vitro Model Astrocytoma U-251MG cells CVCL_0021
Experiment 3 Reporting the Activity Date of This ADC [64]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
10 nM
Positive EGFR vIII expression (EGFR vIII+++/++)
Method Description
Cells were seeded in PDL-coated 96 well plates at 375 for MMT/hEGFRvIII, 1500 for U251/hEGFRvIII, 2000 for HEK293/hEGFRvIII, or 3000 for C4-2, PC3, and T47D cells per well in complete growth media and grown overnight.
In Vitro Model Malignant neoplasms of the mouse mammary gland MMT-060562 cells CVCL_4241
Cet-DM1 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [65]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.85 nM
High EGFR expression (EGFR+++/++)
Method Description
HCC1954 cells (20,000) were plated in 150 mm dishes and treated with 1 nM T-DM1 (media replaced weekly). Resistant HCC1954 T-DM1R clones (HCC-TDM1R#) were obtained by single-cell cloning and continuously cultured in the presence of 1 nM T-DM1 for a total period of 5 months.
In Vivo Model HCC1954/TDR CDX model (CDX: C#19)
In Vitro Model Breast ductal carcinoma HCC1954 T-DM1R (T-DM1 resistance) cells CVCL_1259
Experiment 2 Reporting the Activity Date of This ADC [65]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
0.85 nM
High EGFR expression (EGFR+++/++)
Method Description
HCC1954 cells (20,000) were plated in 150 mm dishes and treated with 1 nM T-DM1 (media replaced weekly). Resistant HCC1954 T-DM1R clones (HCC-TDM1R#) were obtained by single-cell cloning and continuously cultured in the presence of 1 nM T-DM1 for a total period of 5 months.
In Vivo Model HCC1954/TDR CDX model (CDX: C#10)
In Vitro Model Breast ductal carcinoma HCC1954 T-DM1R (T-DM1 resistance) cells CVCL_1259
Experiment 3 Reporting the Activity Date of This ADC [65]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.41 nM
High EGFR expression (EGFR+++/++)
Method Description
HCC1954 cells (20,000) were plated in 150 mm dishes and treated with 1 nM T-DM1 (media replaced weekly). Resistant HCC1954 T-DM1R clones (HCC-TDM1R#) were obtained by single-cell cloning and continuously cultured in the presence of 1 nM T-DM1 for a total period of 5 months.
In Vitro Model Breast ductal carcinoma HCC1954 cells CVCL_1259
Experiment 4 Reporting the Activity Date of This ADC [65]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
3.52 nM
High EGFR expression (EGFR+++/++)
Method Description
HCC1954 cells (20,000) were plated in 150 mm dishes and treated with 1 nM T-DM1 (media replaced weekly). Resistant HCC1954 T-DM1R clones (HCC-TDM1R#) were obtained by single-cell cloning and continuously cultured in the presence of 1 nM T-DM1 for a total period of 5 months.
In Vivo Model HCC1954/TDR CDX model (CDX: C#20)
In Vitro Model Breast ductal carcinoma HCC1954 T-DM1R (T-DM1 resistance) cells CVCL_1259
Experiment 5 Reporting the Activity Date of This ADC [65]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
7.68 nM
High EGFR expression (EGFR+++/++)
Method Description
HCC1954 cells (20,000) were plated in 150 mm dishes and treated with 1 nM T-DM1 (media replaced weekly). Resistant HCC1954 T-DM1R clones (HCC-TDM1R#) were obtained by single-cell cloning and continuously cultured in the presence of 1 nM T-DM1 for a total period of 5 months.
In Vivo Model HCC1954/TDR CDX model (CDX: C#29)
In Vitro Model Breast ductal carcinoma HCC1954 T-DM1R (T-DM1 resistance) cells CVCL_1259
B4-SMCC-DC4 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [66]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
1.2 nM
Positive CD19 expression (CD19+++/++)
Method Description
Cytotoxicity of B4-SPP-DCx Conjugates (with acid phosphatase treatment) against Ramos (Ag+) and HL60/s (Ag-) Cells.
In Vitro Model Burkitt lymphoma Ramos cells CVCL_0597
Experiment 2 Reporting the Activity Date of This ADC [66]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
2.6 nM
Negative CD19 expression(CD19-)
Method Description
Cytotoxicity of B4-SPP-DCx Conjugates (with acid phosphatase treatment) against Ramos (Ag+) and HL60/s (Ag-) Cells.
In Vitro Model Adult acute myeloid leukemia HL-60 cells CVCL_0002
ICAM1-DM1 ADC [Clinical candidate]
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [67]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
4 nM
Positive ICAM1 expression (ICAM1+++/++)
Method Description
Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted Tras-Me-PRX (10 mg/mL antibody) for 24 h.
In Vitro Model Pancreatic ductal adenocarcinoma BxPC-3 cells CVCL_0186
Experiment 2 Reporting the Activity Date of This ADC [67]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
9.8 nM
Positive ICAM1 expression (ICAM1+++/++)
Method Description
Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted Tras-Me-PRX (10 mg/mL antibody) for 24 h.
In Vitro Model Pancreatic ductal adenocarcinoma PANC-1 cells CVCL_0480
Experiment 3 Reporting the Activity Date of This ADC [67]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Positive ICAM1 expression (ICAM1+++/++)
Method Description
Cells were plated in 96-well tissue culture plates (SigmaAldrich) 1 day before treatment, serum-starved, and treated with serially diluted Tras-Me-PRX (10 mg/mL antibody) for 24 h.
In Vitro Model Normal hTERT-HPNE cells CVCL_C466
40H3-SMCC-DM1 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [68]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
6.65 nM
High EGFR expression (EGFR+++)
Method Description
1 x104 cells per well in a volume of 100 ul were plated in 96-well tissue culture plates. After 24 h, ADCs were added at the indicated concentrations. After 72 h, the medium was removed and the viability was determined using the CellTiter-Glo luminescent cell viability assay kit.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 2 Reporting the Activity Date of This ADC [68]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
89.6 nM
High EGFR expression (EGFR+++)
Method Description
1 x104 cells per well in a volume of 100 ul were plated in 96-well tissue culture plates. After 24 h, ADCs were added at the indicated concentrations. After 72 h, the medium was removed and the viability was determined using the CellTiter-Glo luminescent cell viability assay kit.
In Vitro Model Skin squamous cell carcinoma A431 cells CVCL_0037
Experiment 3 Reporting the Activity Date of This ADC [68]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Negative EGFR expression (EGFR-)
Method Description
1 x104 cells per well in a volume of 100 ul were plated in 96-well tissue culture plates. After 24 h, ADCs were added at the indicated concentrations. After 72 h, the medium was removed and the viability was determined using the CellTiter-Glo luminescent cell viability assay kit.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
Experiment 4 Reporting the Activity Date of This ADC [68]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 100 nM Moderate EGFR expression (EGFR++)
Method Description
1 x104 cells per well in a volume of 100 ul were plated in 96-well tissue culture plates. After 24 h, ADCs were added at the indicated concentrations. After 72 h, the medium was removed and the viability was determined using the CellTiter-Glo luminescent cell viability assay kit.
In Vitro Model Invasive breast carcinoma of no special type BT-20 cells CVCL_0178
GABRP Ab-DM1 ADC [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 5 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [69]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
100 - 500 ng/mL
Positive GABRP expression (GABRP+++/++)
Method Description
Cells were plated at 2000 cells/well in triplicate in 96-well plates and exposed to GABRP Ab-DM1 ADC and control IgG-DM1 for 3 days.
In Vitro Model Breast adenocarcinoma SK-BR-3 cells CVCL_0033
Experiment 2 Reporting the Activity Date of This ADC [69]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
100 - 500 ng/mL
Positive GABRP expression (GABRP+++/++)
Method Description
Cells were plated at 2000 cells/well in triplicate in 96-well plates and exposed to GABRP Ab-DM1 ADC and control IgG-DM1 for 3 days.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 3 Reporting the Activity Date of This ADC [69]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 500 ng/mL Positive GABRP expression (GABRP+++/++)
Method Description
Cells were plated at 2000 cells/well in triplicate in 96-well plates and exposed to GABRP Ab-DM1 ADC and control IgG-DM1 for 3 days.
In Vitro Model Invasive breast carcinoma BT-474 cells CVCL_0179
Experiment 4 Reporting the Activity Date of This ADC [69]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 500 ng/mL Positive GABRP expression (GABRP+++/++)
Method Description
Cells were plated at 2000 cells/well in triplicate in 96-well plates and exposed to GABRP Ab-DM1 ADC and control IgG-DM1 for 3 days.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
Experiment 5 Reporting the Activity Date of This ADC [69]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) > 500 ng/mL Positive GABRP expression (GABRP+++/++)
Method Description
Cells were plated at 2000 cells/well in triplicate in 96-well plates and exposed to GABRP Ab-DM1 ADC and control IgG-DM1 for 3 days.
In Vitro Model Breast ductal carcinoma HCC1143 cells CVCL_1245
Y-TR1 SMCC [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [70]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
15 ug/mL
Positive CD26 expression (CD26+++/++)
Method Description
Viability assay of Jurkat cells incubated for 72 h with ADC.
In Vitro Model T acute lymphoblastic leukemia Jurkat cells CVCL_0065
IMGN529 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 20% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 10, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates IMGN529 was intravenously administered at a dose of 3 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 2 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 20% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 8, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates IMGN529 was intravenously administered at a dose of 3 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 3 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 20% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line NU-DUL-1 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 14, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates IMGN529 was intravenously administered at a dose of 3 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model NU-DUL-1 (DSMZ) female SCID mouse model
Experiment 4 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) ≈ 20% Positive CD37 expression (CD37+++/++)
Method Description
CD37- positive human follicular lymphoma cell line DOHH-2 (DSMZ) was subcutaneously inoculated at a dose of 1x106 cells to the right flank region of each female SCID mouse (Day 0). On Day 21, the mice were randomly grouped. On the day of grouping, IMGN529 was intravenously administered to the tail of each mouse at 3 mg/kg.
In Vivo Model DOHH-2 (DSMZ) female SCID mouse model
Experiment 5 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 30% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 16, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates IMGN529 was intravenously administered at a dose of 10 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Experiment 6 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 30% Positive CD37 expression (CD37+++/++)
Method Description
CD37- positive human chronic lymphocytic leukemia cell line JVM-3 (DSMZ) was subcutaneously inoculated at a dose of 3x106 cells to the right flank region of each female SCID mouse (Day 0). On Day 13, the mice were randomly grouped. On the day of grouping, each antibody-drug conjugate was intravenously administered to the tail of each mouse.
In Vivo Model JVM-3 (DSMZ) female SCID mouse model
hmAbH11L11-Dxd [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 30% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Experiment 2 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 3 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 4 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 90% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 5 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 6 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Half Maximal inhibitory Concentration (lC50) ≈ 1 nM Positive CD37 expression (CD37+++/++)
Method Description
human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) , 5x10-cells/100 ML/well , IMDM medium , hmnAb-H11L11-DXd was added to the cells such that the final concentrations were from 0.0064 nM to 20 nM. The cells were cultured under conditions of 37°C. and 5% CO2 for 6 days, and thereafter, the number of live cells was measured.
In Vitro Model Diffuse large B-cell lymphoma germinal center B-cell type, Diffuse large B-cell lymphoma OCI-LY7 cells CVCL_1881
hmAb-H541L11-DXd [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 10 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 30% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Experiment 2 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 3 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 4 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 90% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

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In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 5 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 99% Positive CD37 expression (CD37+++/++)
Method Description
CD37- positive human chronic lymphocytic leukemia cell line JVM-3 (DSMZ) was subcutaneously inoculated at a dose of 3x106 cells to the right flank region of each female SCID mouse (Day 0). On Day 13, the mice were randomly grouped. On the day of grouping, hmAb-H541L11-DXd was intravenously administered to the tail of each mouse at 1 mg/kg.
In Vivo Model JVM-3 (DSMZ) female SCID mouse model
Experiment 6 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

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In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 7 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Experiment 8 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37- positive human chronic lymphocytic leukemia cell line JVM-3 (DSMZ) was subcutaneously inoculated at a dose of 3x106 cells to the right flank region of each female SCID mouse (Day 0). On Day 13, the mice were randomly grouped. On the day of grouping, hmAb-H541L11-DXd was intravenously administered to the tail of each mouse at 3 mg/kg.
In Vivo Model JVM-3 (DSMZ) female SCID mouse model
Experiment 9 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37- positive human follicular lymphoma cell line DOHH-2 (DSMZ) was subcutaneously inoculated at a dose of 1x106 cells to the right flank region of each female SCID mouse (Day 0). On Day 21, the mice were randomly grouped. On the day of grouping, hmAb-H541L11-DXd was intravenously administered to the tail of each mouse at 1 mg/kg.
In Vivo Model DOHH-2 (DSMZ) female SCID mouse model
Experiment 10 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37- positive human follicular lymphoma cell line DOHH-2 (DSMZ) was subcutaneously inoculated at a dose of 1x106 cells to the right flank region of each female SCID mouse (Day 0). On Day 21, the mice were randomly grouped. On the day of grouping, hmAb-H541L11-DXd was intravenously administered to the tail of each mouse at 3 mg/kg.
In Vivo Model DOHH-2 (DSMZ) female SCID mouse model
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Half Maximal inhibitory Concentration (lC50) ≈ 0.7 nM Positive CD37 expression (CD37+++/++)
Method Description
human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) , 5x10-cells/100 ML/well , IMDM medium , hmAbH541L11-DXd was added to the cells such that the final concentrations were from 0.0064 nM to 20 nM. The cells were cultured under conditions of 37°C. and 5% CO2 for 6 days, and thereafter, the number of live cells was measured.
In Vitro Model Diffuse large B-cell lymphoma germinal center B-cell type, Diffuse large B-cell lymphoma OCI-LY7 cells CVCL_1881
hmAb-H551L11-DXd [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 30% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

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In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Experiment 2 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 3 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 4 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 90% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 5 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 6 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

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In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Half Maximal inhibitory Concentration (lC50) ≈ 0.7 nM Positive CD37 expression (CD37+++/++)
Method Description
human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) , 5x10-cells/100 ML/well , IMDM medium hmAb-H551L11-DXd was added to the cells such that the final concentrations were from 0.0064 nM to 20 nM. The cells were cultured under conditions of 37°C. and 5% CO2 for 6 days, and thereafter, the number of live cells was measured.
In Vitro Model Diffuse large B-cell lymphoma germinal center B-cell type, Diffuse large B-cell lymphoma OCI-LY7 cells CVCL_1881
hmAb-H11aL11-DXd [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 6 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) < 30% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Experiment 2 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 3 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 50% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 4 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 90% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line WSU-DLCL2 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 11, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model WSU-DLCL2 (DSMZ) female SCID mouse model
Experiment 5 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) was subcutaneously inoculated at a dose of 1x107 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 9, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model OCI-LY7 (DSMZ) female SCID mouse model
Experiment 6 Reporting the Activity Date of This ADC [71]
Efficacy Data Tumor Growth lnhibition value (TGl) > 100% Positive CD37 expression (CD37+++/++)
Method Description
CD37-positive human diffuse large B-cell lymphoma cell line SU-DHL-8 (ATCC) was subcutaneously inoculated at a dose of 5x106 cells to the right flank region of each five or six-week-old female SCID mouse (Day 0). On Day 7, the mice were randomly grouped. On the day of grouping, the antibodydrug conjugates hmAb-H11L11-DXd was intravenously administered at a dose of 1 mg/kg to the tail of each mouse. An antibody-drug conjugate (hmAb-IgG1-DXd) produced using human IgG was administered as a negative control at a dose of 3 mg/kg in the same manner as above. The long diameter and short diameter of the inoculated tumor were measured twice a week using electronic digital calipers, and the volume of the tumor was then calculated.

   Click to Show/Hide
In Vivo Model SU-DHL-8 (ATCC) female SCID mouse model
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [71]
Efficacy Data Half Maximal inhibitory Concentration (lC50) ≈ 2 nM Positive CD37 expression (CD37+++/++)
Method Description
human diffuse large B-cell lymphoma cell line OCI-LY7 (DSMZ) , 5x10-cells/100 ML/well , IMDM medium, hmAbH11laL11-DXd was added to the cells such that the final concentrations were from 0.0064 nM to 20 nM. The cells were cultured under conditions of 37°C. and 5% CO2 for 6 days, and thereafter, the number of live cells was measured.
In Vitro Model Diffuse large B-cell lymphoma germinal center B-cell type, Diffuse large B-cell lymphoma OCI-LY7 cells CVCL_1881
WBP319-BMK4.uIgG1k-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [72]
Efficacy Data Tumor Growth lnhibition value (TGl)
40.91%
Method Description
Cell line-derived xenograft models were established in SCID-17B female mice, by subcutaneous injection of 1x107 (HCC-70) tumor cells, and treatmen with 1mg/kg ADC (single dosee) after tumor volume about 230mm3. Determined tumor volume after the experiment, measured at day 34.
In Vivo Model HCC70 breast tumor model
Experiment 2 Reporting the Activity Date of This ADC [72]
Efficacy Data Tumor Growth Inhibition value (TGI)
42.69%
Method Description
Cell line-derived xenograft models were established in SCID-17B female mice, by subcutaneous injection of 1x107 (HCC-70) tumor cells, and treatmen with 0.5mg/kg ADC (single dosee) after tumor volume about 242mm3. Determined tumor volume after the experiment, measured at day 36.
In Vivo Model HCC70 breast tumor model
Revealed Based on the Cell Line Data
Click To Hide/Show 8 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.15 nM
Method Description
4000cells/well for HCC-1954 (50 uL) of cells from each cell line were seeded onto 96-well clear bottom black plates. The cells were cultured overnight at 37°C in a humidified 5% CO2 incubator before adding the ADC, The plates were returned to the incubator for 5 days . 50 uL of CellTiter Glo solution was added to each well and incubated atroom temperature with gentle shaking for 10 minutes.

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In Vitro Model Breast ductal carcinoma HCC-1954 cells CVCL_1259
Experiment 2 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.8 nM
Method Description
6000 cells/well for HCC-70 (50 uL) of cells from each cell line were seeded onto 96-well clear bottom black plates. The cells were cultured overnight at 37°C in a humidified 5% CO2 incubator before adding the ADC, The plates were returned to the incubator for 5 days . 50 uL of CellTiter Glo solution was added to each well and incubated atroom temperature with gentle shaking for 10 minutes.

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In Vitro Model Breast ductal carcinoma HCC-70 cells CVCL_1270
Experiment 3 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
1.14 nM
Method Description
2000 cells/well for NCI-H1650 (50 uL) of cells from each cell line were seeded onto 96-well clear bottom black plates. The cells were cultured overnight at 37°C in a humidified 5% CO2 incubator before adding the ADC, The plates were returned to the incubator for 5 days . 50 uL of CellTiter Glo solution was added to each well and incubated atroom temperature with gentle shaking for 10 minutes.

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In Vitro Model Lung adenocarcinoma NCI-H1650 cells CVCL_1483
Experiment 4 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 10 nM
Method Description
5000cells/well for HT-29 (50 uL) of cells from each cell line were seeded onto 96-well clear bottom black plates. The cells were cultured overnight at 37°C in a humidified 5% CO2 incubator before adding the ADC, The plates were returned to the incubator for 5 days . 50 uL of CellTiter Glo solution was added to each well and incubated atroom temperature with gentle shaking for 10 minutes.

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In Vitro Model Colon adenocarcinoma HT-29 cells CVCL_0320
Experiment 5 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 10 nM
Method Description
800 cells/well for A549 (50 uL) of cells from each cell line were seeded onto 96-well clear bottom black plates. The cells were cultured overnight at 37°C in a humidified 5% CO2 incubator before adding the ADC, The plates were returned to the incubator for 5 days . 50 uL of CellTiter Glo solution was added to each well and incubated atroom temperature with gentle shaking for 10 minutes.

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In Vitro Model Lung adenocarcinoma A549 cells CVCL_0023
Experiment 6 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 10 nM
Method Description
5000 cells/well for MDA-MB-453 (50 uL) of cells from each cell line were seeded onto 96-well clear bottom black plates. The cells were cultured overnight at 37°C in a humidified 5% CO2 incubator before adding the ADC, The plates were returned to the incubator for 5 days . 50 uL of CellTiter Glo solution was added to each well and incubated atroom temperature with gentle shaking for 10 minutes.

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In Vitro Model Breast adenocarcinoma MDA-MB-453 cells CVCL_0418
Experiment 7 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal Effective Concentration (EC50)
0.019 nM
Method Description
For HCC-1954 cells,cells were washed with 100uL,1% BSA1xPBS resuspended in PE conjugated Goatanti-human IgG Fc 1:150 dilutedin 1% BSA1xPBS for 1 hour at 4°C in thedark. Cells were then washed one time as described aboveand resuspended in 1% BSA/1xPBS for 2 hours at 37°C. Supernatants were discarded and 100 uL/wellquench buffer (0.1 M glycine, 0.15 M NaCl, adjust pH to2.5) were added and incubated at 4°C. for 5 min. Cells werethen washed one time as described above and resuspended in Hoechst 33342 1:5000 diluted in DPBS for 15 min at room tem-perature.Afer washed with DPBS one time as described above, cells were resuspended in 4%%PFA and stored at 4°C.

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In Vitro Model Breast ductal carcinoma HCC-1954 cells CVCL_1259
Experiment 8 Reporting the Activity Date of This ADC [72]
Efficacy Data Half Maximal Effective Concentration (EC50)
0.57 nM
Method Description
For NCI-H1650 cells,cells were washed with 100uL,1% BSA/1xPBS resuspended in Alexa647 conjugatedGoat anti-human IgG Fc 1:500 diluted in 1% BSA/1xPBS for 1 hour at 4°C. inthe dark.Cells were then washed one time as describedabove and resuspended in 1% BSA/1xPBS for 2hours at 37°C. Supernatants were discarded and cells wereresuspended in Hoechst 33342 1:5000diluted in DPBS for 15 min atroom temperature.After washed with DPBS one time as described above,100 uL/well quench buffer (0.1 M glycine, 0.15 M NaCl, adjust pH to2.5)were added and incubated at 4°C.for 5 min. Afterwashing for once with 1% BSA/1xPBS, cellswere resuspended in 4% PFA and stored at 4°C

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In Vitro Model Lung adenocarcinoma NCI-H1650 cells CVCL_1483
Mehozumab-DM1 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [73]
Efficacy Data Tumor Growth lnhibition value (TGl)
87.39%
Method Description
When the tumor diameter reached 1.00 cm, qualified cynomolgus monkey liver cancer models were selected and randomly divided into an ADC intravenous injection 0.2 mg kg-1 group (n = 3), an ADC intravenous injection 1.0 mg kg-1 group (n = 3), and a physiological saline control group (n = 2). The ADC was administered once a week for 8 weeks. Tumor volumes were observed by ultrasound scans, and Figure 3C shows representative photos of ultrasound scans before and after the 8-week ADC treatment,0.2 mg/kg.

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In Vivo Model CRISPR-Mediated Cynomolgus Monkey Liver Cancer Model
Experiment 2 Reporting the Activity Date of This ADC [73]
Efficacy Data Tumor Growth lnhibition value (TGl)
91.11%
Method Description
When the tumor diameter reached 1.00 cm, qualified cynomolgus monkey liver cancer models were selected and randomly divided into an ADC intravenous injection 0.2 mg kg-1 group (n = 3), an ADC intravenous injection 1.0 mg kg-1 group (n = 3), and a physiological saline control group (n = 2). The ADC was administered once a week for 8 weeks. Tumor volumes were observed by ultrasound scans, and Figure 3C shows representative photos of ultrasound scans before and after the 8-week ADC treatment,1 mg/kg.

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In Vivo Model CRISPR-Mediated Cynomolgus Monkey Liver Cancer Model
Revealed Based on the Cell Line Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [73]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
35.97 nM
High CD147 expression (CD147 +++)
Method Description
Human HCC cell lines HCC-LM3, MHCC97-H, and Huh-7 were seeded in 96-well plates (3000 cells per well). After the cells had adhered to the walls, different concentration gradients of Mehozumab-DM1 diluent, Mehozumab diluent, and IgG were added, and the cells were cultured in a 37 °C incubator under 5% CO2 for 72 h. ThenCCK8 (cat#: C005; Topscience Biology) was used to determine cell viability. Per the manufacturer's instructions, 10 uL of CCK8 reagent was added to each well followed by incubation for 1 h. The absorbance was measured at 450 nm, and used to calculate the corresponding IC50 value using GraphPad Prism v8.0 software (GraphPad Software Inc., San Diego, CA).

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In Vitro Model Adult hepatocellular carcinoma HCC-LM3 cells CVCL_6832
Experiment 2 Reporting the Activity Date of This ADC [73]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
83.07 nM
High CD147 expression (CD147 +++)
Method Description
Human HCC cell lines HCC-LM3, MHCC97-H, and Huh-7 were seeded in 96-well plates (3000 cells per well). After the cells had adhered to the walls, different concentration gradients of Mehozumab-DM1 diluent, Mehozumab diluent, and IgG were added, and the cells were cultured in a 37 °C incubator under 5% CO2 for 72 h. ThenCCK8 (cat#: C005; Topscience Biology) was used to determine cell viability. Per the manufacturer's instructions, 10 uL of CCK8 reagent was added to each well followed by incubation for 1 h. The absorbance was measured at 450 nm, and used to calculate the corresponding IC50 value using GraphPad Prism v8.0 software (GraphPad Software Inc., San Diego, CA).

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In Vitro Model Adult hepatocellular carcinoma MHCC97-H cells CVCL_E3I0
Experiment 3 Reporting the Activity Date of This ADC [73]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
367.1 nM
Moderate CD147 expression (CD147++)
Method Description
Human HCC cell lines HCC-LM3, MHCC97-H, and Huh-7 were seeded in 96-well plates (3000 cells per well). After the cells had adhered to the walls, different concentration gradients of Mehozumab-DM1 diluent, Mehozumab diluent, and IgG were added, and the cells were cultured in a 37 °C incubator under 5% CO2 for 72 h. ThenCCK8 (cat#: C005; Topscience Biology) was used to determine cell viability. Per the manufacturer's instructions, 10 uL of CCK8 reagent was added to each well followed by incubation for 1 h. The absorbance was measured at 450 nm, and used to calculate the corresponding IC50 value using GraphPad Prism v8.0 software (GraphPad Software Inc., San Diego, CA).

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In Vitro Model Adult hepatocellular carcinoma Huh-7 cells CVCL_0336
WO2023232144A1ADC30 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [74]
Efficacy Data Max Tumor Growth lnhibition value (TGl) (d) > 50% Positive TLR expression (TLR+++/++)
Method Description
ADC30 was tested in mouse M38 CRC model in C57BL/6 mice, 3 mg/kg, QWx3, IV
In Vivo Model Mouse MC38 CRC Model in C57BL/6 Mice
WO2023232144A1ADC40 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [74]
Efficacy Data Max Tumor Growth lnhibition value (TGl) (d) > 50% Positive TLR expression (TLR+++/++)
Method Description
ADC40 was tested in mouse M38 CRC model in C57BL/6 mice, 2.5 mg/kg, QWx3, IV
In Vivo Model Mouse MC38 CRC Model in C57BL/6 Mice
WO2023232144A1ADC41 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [74]
Efficacy Data Max Tumor Growth lnhibition value (TGl) (d) > 50% Positive TLR expression (TLR+++/++)
Method Description
ADC41 was tested in mouse M38 CRC model in C57BL/6 mice, 2.5 mg/kg, QWx3, IV
In Vivo Model Mouse MC38 CRC Model in C57BL/6 Mice
WO2023232144A1ADC42 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [74]
Efficacy Data Max Tumor Growth lnhibition value (TGl) (d) > 50% Positive TLR expression (TLR+++/++)
Method Description
ADC42 was tested in mouse M38 CRC model in C57BL/6 mice, 2.5 mg/kg, QWx2, IV
In Vivo Model Mouse MC38 CRC Model in C57BL/6 Mice
WO2023232144A1ADC43 [Investigative]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [74]
Efficacy Data Max Tumor Growth lnhibition value (TGl) (d) > 50% Positive TLR expression (TLR+++/++)
Method Description
ADC43 was tested in mouse M38 CRC model in C57BL/6 mice, 2.5 mg/kg, QWx2, IV
In Vivo Model Mouse MC38 CRC Model in C57BL/6 Mice
US20230256114A1 ADC (DAR4) 1 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 12 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.49 nM
Positive TROP2 expression (TROP2+++/++)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 2 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.51 nM
High TROP2 expression (TROP2 +++)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Pancreatic ductal adenocarcinoma BxPC-3 cells CVCL_0186
Experiment 3 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.54 nM
Moderate TROP2 expression (TROP2++)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 4 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
0.68 nM
Low TROP2 expression (TROP2+)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Colon adenocarcinoma Colo205 cells CVCL_0218
Experiment 5 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
1.01 nM
High TROP2 expression (TROP2 +++)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Pancreatic ductal adenocarcinoma BxPC-3 cells CVCL_0186
Experiment 6 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
2.88 nM
Positive TROP2 expression (TROP2+++/++)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 7 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
4.88 nM
Moderate TROP2 expression (TROP2++)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Breast adenocarcinoma MDA-MB-468 cells CVCL_0419
Experiment 8 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
56.42 nM
Low TROP2 expression (TROP2+)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Colon adenocarcinoma Colo205 cells CVCL_0218
Experiment 9 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 100 nM Negative TROP2 expression (TROP2-)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Lung adenocarcinoma A549 cells CVCL_0023
Experiment 10 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 100 nM Negative TROP2 expression (TROP2-)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
Experiment 11 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 100 nM Negative TROP2 expression (TROP2-)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Lung adenocarcinoma A549 cells CVCL_0023
Experiment 12 Reporting the Activity Date of This ADC [75]
Efficacy Data Half Maximal inhibitory Concentration (lC50) > 100 nM Negative TROP2 expression (TROP2-)
Method Description
Table 3 summarizes the results from in vitro cytotoxicity assays in which ADCs containing various DM1 derivative payload at different DARs were tested.
In Vitro Model Breast adenocarcinoma MDA-MB-231 cells CVCL_0062
MORAb-003 ADC11 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [76]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
132 nM
High FRA expression (FRA +++)
Method Description
Use crystal violet analysis to evaluate the in vitro efficacy of the prepared ADCs. Initially screen all MORAb003 ADCs on IGROV1 (FRi (+++)) and SJSA - 1 (FReg (-)) cells.
In Vitro Model Osteosarcoma SJSA-1 cells CVCL_1697
IN202417078684A+ADC2 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [77]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
30 ng/ml
Method Description
The cytotoxicity of ADC against cell lines was evaluated by cell viability test with CellTiter-Glo 2.0 luminescence method.
IN202417078684A+ADC1 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [77]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
240 ng/ml
Method Description
The cytotoxicity of ADC against cell lines was evaluated by cell viability test with CellTiter-Glo 2.0 luminescence method.
IN202417078684A+ADC3 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [77]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
311 ng/ml
Method Description
The cytotoxicity of ADC against cell lines was evaluated by cell viability test with CellTiter-Glo 2.0 luminescence method.
IN202417078684A+ADC4 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [77]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
2378 ng/ml
Method Description
The cytotoxicity of ADC against cell lines was evaluated by cell viability test with CellTiter-Glo 2.0 luminescence method.
Experiment 2 Reporting the Activity Date of This ADC [77]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
4928 ng/ml
Method Description
The cytotoxicity of ADC against cell lines was evaluated by cell viability test with CellTiter-Glo 2.0 luminescence method.
WO2024181570A1 ADC1 [Investigative]
Revealed Based on the Cell Line Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [78]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
7996 ng/mL
Negative CD138 expression (CD138-)
Method Description
1000 cells/well of Jurkat in 96 well, 37 °C for 5 days.
In Vitro Model T acute lymphoblastic leukemia Jurkat cells CVCL_0065
Experiment 2 Reporting the Activity Date of This ADC [78]
Efficacy Data Half Maximal inhibitory Concentration (lC50)
8385 ng/mL
Positive CD138 expression (CD138+++/++)
Method Description
1000 cells/well of Capan-1 in 96 well, 37 °C for 5 days.
In Vitro Model Pancreatic ductal adenocarcinoma Capan-1 cells CVCL_0237
AVID100 [Phase 1/2 (discontinued)]
Identified from the Human Clinical Data
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [79]
Patients Enrolled
Inclusion criteria for Phase 1 involve patients with advanced/metastatic solid tumors refractory to standard therapy or ineligible for surgery, while Phase 2a targets specific EGFR-overexpressing cancers. Exclusion criteria for both phases include pregnancy, uncontrolled CNS metastases, significant comorbidities, and recent malignancies. Prohibited treatments encompass recent antineoplastic therapies, investigational drugs, radiotherapy, immunosuppressants, and strong CYP3A4 modifiers.

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Administration Dosage
No cycle 1 dose limiting toxicities (DLTs) have been observed in Cohorts 1-6 (dose (N); 20 (1), 40 (1), 80 (3), 120 (3), 180 (3), and 220 (3) mg/m2 every 3 weeks). Currently, patients are being evaluated in Cohort 7 (270 mg/m2; approximately 6.9 mg/kg).
Related Clinical Trial
NCT Number NCT03094169  Clinical Status PHASE1|||PHASE2
Clinical Description
Phase 1a/2a Dose Escalation Trial to Determine Safety, Tolerance, MTD, and Preliminary Antineoplastic Activity of AVID100, in Patients With Advanced or Metastatic Solid Tumors of Epithelial Origin
Primary Endpoint
The primary objectives include assessing the safety and tolerability of AVID100 in Phase 1a, focusing on abnormal lab values and adverse events, while Phase 2a evaluates preliminary antineoplastic effects based on objective response or stable disease.
Other Endpoint
The PK profile of total antibody will be characterized over an 18-month period to understand its pharmacokinetic behavior.
Experiment 2 Reporting the Activity Date of This ADC [80]
Patients Enrolled
Patients with advanced or metastatic epithelial malignancies.
Administration Dosage
20, 40, 80, 120, 180, and 220 mg/m2 every 3 weeks.
Related Clinical Trial
NCT Number NCT03094169  Clinical Status Phase 1/2
Clinical Description
Phase 1a/2a dose escalation trial to determine safety, tolerance, MTD, and preliminary antineoplastic activity of AVID100, in patients with advanced or metastatic solid tumors of epithelial origin.
16A5-MCC-DM1 [Phase 1]
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 2 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [81]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 59.90% High CD205 expression (CD205+++; IHC 3+)
Method Description
The antitumor activity of the ADCs was then evaluated in solid and hematologic mouse xenograft models. A total of 5x106-2x107 cells with or without Matrigel, were injected subcutaneously into the flanks of mice. The treatments were started when average tumor volume reached 88-300 mm3. Animals were randomly assigned into groups (6 mice/group), and treated with MEN1309/OBT076 intravenously once weekly for 2 consecutive weeks, 10 mg/kg.

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In Vivo Model Diffuse Large B-Cell Lymphoma CDX model
In Vitro Model EBV-related Burkitt lymphoma Raji cells CVCL_0511
Experiment 2 Reporting the Activity Date of This ADC [81]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 77.10% High CD205 expression (CD205+++; IHC 3+)
Method Description
The antitumor activity of the ADCs was then evaluated in solid and hematologic mouse xenograft models. A total of 5x106-2x107 cells with or without Matrigel, were injected subcutaneously into the flanks of mice. The treatments were started when average tumor volume reached 88-300 mm3. Animals were randomly assigned into groups (6 mice/group), and treated with MEN1309/OBT076 intravenously with a single dose, 10 mg/kg.

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In Vivo Model Pancreas cancer CDX model
In Vitro Model Pancreatic cancer Pancreatic cancer cells Homo sapiens
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