General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0CXFTH
ADC Name
Serclutamab talirine
Synonyms
ABBV-321; ABBV321; ABBV 321
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Organization
AbbVie, Inc.
Drug Status
Phase 1
Indication
In total 1 Indication(s)
Solid tumors [ICD11:2A00-2A0Z|2B50-2F9Z]
Phase 1
Drug-to-Antibody Ratio
2
Structure
Antibody Name
Serclutamab
 Antibody Info 
Antigen Name
Epidermal growth factor receptor (EGFR)
 Antigen Info 
Payload Name
SGD-1882
 Payload Info 
Therapeutic Target
Human Deoxyribonucleic acid (hDNA)
 Target Info 
Linker Name
Mc-Val-Ala
 Linker Info 
Conjugate Type
Site-specific conjugation through the engineered cysteine (THIOMAB, S238C).
Combination Type
Talirine
Puchem SID
402425848 , 472419012 , 440234852 , 433774549
ChEBI ID
CHEMBL4594392
General Information of The Activity Data Related to This ADC
Identified from the Human Clinical Data
Click To Hide/Show 3 Activity Data Related to This Level
Standard Type NCT Number Clinical Status Clinical Trial Description
Partial Response (PR)  NCT03234712
Phase 1
A phase 1 study evaluating the safety, pharmacokinetics, and anti-tumor activity of ABBV-321 in subjects with advanced solid tumors associated with overexpression of the epidermal growth factor receptor (EGFR).

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Partial Response (PR)  NCT03234712
Phase 1
A phase 1 study evaluating the safety, pharmacokinetics, and anti-tumor activity of ABBV-321 in subjects with advanced solid tumors associated with overexpression of the epidermal growth factor receptor (EGFR).

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Undisclosed  NCT03234712
Phase 1
A phase 1 study evaluating the safety, pharmacokinetics, and anti-tumor activity of ABBV-321 in subjects with advanced solid tumors associated with overexpression of the epidermal growth factor receptor (EGFR).

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Discovered Using Patient-derived Xenograft Model
Click To Hide/Show 10 Activity Data Related to This Level
Standard Type Value Units Animal Model (No. of PDX)
Tumor Growth Inhibition value (TGI) 
≈ 34
%
Glioblastoma PDX model (PDX: SNO199)
Tumor Growth Inhibition value (TGI) 
≈ 40
%
Glioblastoma PDX model (PDX: SNO199)
Tumor Growth Inhibition value (TGI) 
≈ 76
%
EGFR-expressing malignant mesothelioma PDX model (PDX: 1174)
Tumor Growth Inhibition value (TGI) 
≈ 88.57
%
Glioblastoma PDX model (PDX: SNO207)
Tumor Growth Inhibition value (TGI) 
≈ 90.2
%
EGFR-expressing GBM brain cancer PDX model (PDX: SNO199)
Tumor Growth Inhibition value (TGI) 
≈ 91.6
%
Glioblastoma PDX model (PDX: SNO207)
Tumor Growth Inhibition value (TGI) 
≈ 93.7
%
EGFR-expressing GBM brain cancer PDX model (PDX: SNO207)
Tumor Growth Inhibition value (TGI) 
≈ 93.8
%
EGFR-expressing colorectal adenocarcinoma PDX model (PDX: LoVo)
Tumor Growth Inhibition value (TGI) 
≈ 96.4
%
EGFR-expressing GBM brain cancer PDX model (PDX: SNO207)
Tumor Growth Inhibition value (TGI) 
≈ 97.2
%
EGFR-expressing GBM brain cancer PDX model (PDX: SNO199)
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 16 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≈ 52.4
%
SW48 cells
Colon adenocarcinoma
Tumor Growth Inhibition value (TGI) 
≈ 55.3
%
EBC-1 cells
Lung squamous cell carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 70.6
%
SW48 cells
Colon adenocarcinoma
Tumor Growth Inhibition value (TGI) 
≈ 73.8
%
A-253 cells
Submandibular gland squamous cell carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 81.1
%
A-253 cells
Submandibular gland squamous cell carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 82.8
%
SW48 cells
Colon adenocarcinoma
Tumor Growth Inhibition value (TGI) 
≈ 82.8
%
SW48 cells
Colon adenocarcinoma
Tumor Growth Inhibition value (TGI) 
≈ 83.1
%
FaDu cells
Hypopharyngeal squamous cell carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 89.9
%
HCT 116 cells
Colon carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 89.9
%
HCT 116 cells
Colon carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 91.8
%
FaDu cells
Hypopharyngeal squamous cell carcinoma
Tumor Growth Inhibition value (TGI) 
≈ 100
%
U-87MG ATCC cells
Glioblastoma
Tumor Growth Inhibition value (TGI) 
≈ 100
%
U-87MG ATCC cells
Glioblastoma
Tumor Growth Inhibition value (TGI) 
≈ 100
%
U-87MG ATCC cells
Glioblastoma
Tumor Growth Inhibition value (TGI) 
≈ 100
%
U-87MG ATCC cells
Glioblastoma
Tumor Growth Inhibition value (TGI) 
≈ 100
%
EBC-1 cells
Lung squamous cell carcinoma
Revealed Based on the Cell Line Data
Click To Hide/Show 38 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Inhibitory Concentration (IC50) 
15
pM
SW48 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
0.23
nM
U-87 MGvIII cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
0.7
nM
U-251MG cells
Astrocytoma
Half Maximal Inhibitory Concentration (IC50) 
0.7
nM
LoVo cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
1
nM
LS174T cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
1.1
nM
SK-CO-1 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
1.4
nM
SF268 cells
Astrocytoma
Half Maximal Inhibitory Concentration (IC50) 
1.5
nM
M059K cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
1.5
nM
HT29 cells
Colon cancer
Half Maximal Inhibitory Concentration (IC50) 
1.8
nM
SW403 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
1.9
nM
PFSK-1 cells
Primitive neuroectodermal tumor
Half Maximal Inhibitory Concentration (IC50) 
2.5
nM
SF539 cells
Gliosarcoma
Half Maximal Inhibitory Concentration (IC50) 
2.6
nM
COLO 201 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
2.8
nM
M059J cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
3.3
nM
COLO 205 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
3.7
nM
SNB-19 cells
Astrocytoma
Half Maximal Inhibitory Concentration (IC50) 
4.3
nM
SW620 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
4.6
nM
U-87MG cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
4.6
nM
SW1116 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
4.7
nM
RKO cells
Colon carcinoma
Half Maximal Inhibitory Concentration (IC50) 
4.8
nM
CHLA-03-AA cells
Anaplastic astrocytoma
Half Maximal Inhibitory Concentration (IC50) 
4.8
nM
SW1463 cells
Rectal adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
5.5
nM
WiDr cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
8
nM
SW480 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
8.4
nM
LN-18 cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
9
nM
DLD-1 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
9.5
nM
LS1034 cells
Cecum adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
10.6
nM
SNB-75 cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
11.8
nM
T84 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
12
nM
HCT 116 cells
Colon carcinoma
Half Maximal Inhibitory Concentration (IC50) 
13.9
nM
Caco-2 cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
14.5
nM
T98G cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
16.1
nM
U-138MG cells
Astrocytoma
Half Maximal Inhibitory Concentration (IC50) 
17.6
nM
COLO 320DM cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
18
nM
DBTRG-05MG cells
Anaplastic astrocytoma
Half Maximal Inhibitory Concentration (IC50) 
23.2
nM
A-172 cells
Glioblastoma
Half Maximal Inhibitory Concentration (IC50) 
24.9
nM
COLO 320HSR cells
Colon adenocarcinoma
Half Maximal Inhibitory Concentration (IC50) 
28.4
nM
HCT 15 cells
Colon adenocarcinoma
Full List of Activity Data of This Antibody-drug Conjugate
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 [1]
Efficacy Data Partial Response (PR) 4.17% High EGFR expression (EGFR+++)
Patients Enrolled
Advanced, histologically confirmed solid tumors associated with EGFR overexpression (centralized testing).
Administration Dosage
Ser-T intravenously once every 4 weeks (Q4W; 5-50 ug/kg) in the dose-escalation phase.
Related Clinical Trial
NCT Number NCT03234712  Clinical Status Phase 1
Clinical Description A phase 1 study evaluating the safety, pharmacokinetics, and anti-tumor activity of ABBV-321 in subjects with advanced solid tumors associated with overexpression of the epidermal growth factor receptor (EGFR).
Primary Endpoint
One patient was PR (N=1/24, 4.17%), 6 patients was SD (N=6/24,25.00%). Median DOR (CR + PR + SD)=6.40 months (95% CI 3.0not reached). The median PFS=1.8 months (95% CI 1.3-5.8), median OS=7.10 months (95% CI: 4.1-12.3).
Other Endpoint
Ser-T RP2D regimen=25 ug/kg Q4W.
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Partial Response (PR) 4.20% High EGFR expression (EGFR+++)
Patients Enrolled
Advanced, histologically confirmed solid tumors associated with EGFR overexpression (centralized testing).
Administration Dosage
Ser-T intravenously once every 4 weeks (Q4W; 5-50 ug/kg) in the dose-escalation phase.
Related Clinical Trial
NCT Number NCT03234712  Clinical Status Phase 1
Clinical Description A phase 1 study evaluating the safety, pharmacokinetics, and anti-tumor activity of ABBV-321 in subjects with advanced solid tumors associated with overexpression of the epidermal growth factor receptor (EGFR).
Primary Endpoint
Responses included 1 partial response (PR), 6 stable disease (SD), 14 progressive disease (PD); 3 patients were not evaluable for response. Median duration of clinical benefit (complete response + PR + SD) was 6.40 months (95% CI: 3.00-not reached).
Other Endpoint
The median PFS was 1.80 months (95% CI: 1.30-5.80) and the median OS was 7.10 months (95% CI: 4.10-12.30).
Experiment 3 Reporting the Activity Date of This ADC [2]
Related Clinical Trial
NCT Number NCT03234712  Clinical Status Phase 1
Clinical Description A phase 1 study evaluating the safety, pharmacokinetics, and anti-tumor activity of ABBV-321 in subjects with advanced solid tumors associated with overexpression of the epidermal growth factor receptor (EGFR).
Discovered Using Patient-derived Xenograft Model
Click To Hide/Show 10 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 34.00% (Day 66) High EGFR expression (EGFR+++)
Method Description
ABBV-321 induces efficient tumor cell killing in cell line-derived models of SNO199 and U87NG cells with mAb806 expression with high expression.
In Vivo Model Glioblastoma PDX model (PDX: SNO199)
Experiment 2 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 40.00% (Day 66) Low EGFR expression (EGFR+)
Method Description
ABBV-321 induces efficient tumor cell killing in cell line-derived models of SNO199 and U87NG cells with mAb806 expression with high expression.
In Vivo Model Glioblastoma PDX model (PDX: SNO199)
Experiment 3 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 76.00% (Day 24) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,demonstrated with ABBV-321 dosed at 0.15 mg/kg 2 every seven days 3.
In Vivo Model EGFR-expressing malignant mesothelioma PDX model (PDX: 1174)
Experiment 4 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 88.57% (Day 68) Moderate EGFR expression (EGFR++)
Method Description
ABBV-321 induces efficient tumor cell killing in cell line-derived models of SNO199 and U87NG cells with mAb806 expression with high expression.
In Vivo Model Glioblastoma PDX model (PDX: SNO207)
Experiment 5 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 90.20% (Day 70) Moderate EGFR expression (EGFR++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of brain cancer cell with EGFR expression,dosed 0.2 mg/kg,every seven days 3.
In Vivo Model EGFR-expressing GBM brain cancer PDX model (PDX: SNO199)
Experiment 6 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 91.60% (Day 66) Moderate EGFR expression (EGFR++)
Method Description
ABBV-321 induces efficient tumor cell killing in cell line-derived models of SNO199 and U87NG cells with mAb806 expression with high expression.
In Vivo Model Glioblastoma PDX model (PDX: SNO207)
Experiment 7 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93.70% (Day 74) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of brain cancer cell with EGFR expression,dosed 0.2 mg/kg,every seven days 3.
In Vivo Model EGFR-expressing GBM brain cancer PDX model (PDX: SNO207)
Experiment 8 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93.80% (Day 33) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression, administered at 0.5 mg/kg on a Q7D 6 regimen.
In Vivo Model EGFR-expressing colorectal adenocarcinoma PDX model (PDX: LoVo)
Experiment 9 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 96.40% (Day 74) Moderate EGFR expression (EGFR++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of brain cancer cell with EGFR expression,dosed 0.4 mg/kg,every seven days 3.
In Vivo Model EGFR-expressing GBM brain cancer PDX model (PDX: SNO207)
Experiment 10 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 97.20% (Day 70) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of brain cancer cell with EGFR expression,dosed 0.4 mg/kg,every seven days 3.
In Vivo Model EGFR-expressing GBM brain cancer PDX model (PDX: SNO199)
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 16 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 52.40% (Day 28) Moderate EGFR expression (EGFR++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.0125 mg/kg.
In Vivo Model EGFR-expressing SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 2 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 55.30% (Day 35) Low EGFR expression (EGFR+)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of lung squamous cell carcinoma cell with EGFR expression,a single dose of 0.1 mg/kg.
In Vivo Model EGFR-expressing EBC-1 CDX model
In Vitro Model Lung squamous cell carcinoma EBC-1 cells CVCL_2891
Experiment 3 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 70.60% (Day 28) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.025 mg/kg.
In Vivo Model EGFR-expressing SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 4 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 73.80% (Day 38) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.1 mg/kg.
In Vivo Model EGFR-expressing A-253 CDX model
In Vitro Model Submandibular gland squamous cell carcinoma A-253 cells CVCL_1060
Experiment 5 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 81.10% (Day 38) Moderate EGFR expression (EGFR++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.3 mg/kg.
In Vivo Model EGFR-expressing A-253 CDX model
In Vitro Model Submandibular gland squamous cell carcinoma A-253 cells CVCL_1060
Experiment 6 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 82.80% (Day 28) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.05 mg/kg.
In Vivo Model EGFR-expressing SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 7 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 82.80% (Day 28) Moderate EGFR expression (EGFR++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.1 mg/kg.
In Vivo Model EGFR-expressing SW48 CDX model
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 8 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 83.10% (Day 31) Moderate EGFR expression (EGFR++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.1 mg/kg.
In Vivo Model EGFR-expressing FaDu CDX model
In Vitro Model Hypopharyngeal squamous cell carcinoma FaDu cells CVCL_1218
Experiment 9 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 89.90% (Day 30) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.1 mg/kg.
In Vivo Model EGFR-expressing HCT 116 CDX model
In Vitro Model Colon carcinoma HCT 116 cells CVCL_0291
Experiment 10 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 89.90% (Day 30) Low EGFR expression (EGFR+)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,administered 0.4 mg/kg,at every seven days 3.
In Vivo Model EGFR-expressing HCT 116 CDX model
In Vitro Model Colon carcinoma HCT 116 cells CVCL_0291
Experiment 11 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 91.80% (Day 31) Negative EGFR expression (EGFR-)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of head and neck cancer cell with EGFR expression,a single dose of 0.3 mg/kg.
In Vivo Model EGFR-expressing FaDu CDX model
In Vitro Model Hypopharyngeal squamous cell carcinoma FaDu cells CVCL_1218
Experiment 12 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 35) Low EGFR expression (EGFR+)
Method Description
ABBV-321 induces efficient tumor cell killing in cell line-derived models of SNO199 and U87NG cells with mAb806 expression with high expression.
In Vivo Model Glioblastoma U-87MG CDX model
In Vitro Model Glioblastoma U-87MG ATCC cells CVCL_0022
Experiment 13 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 35) High EGFR expression (EGFR+++)
Method Description
ABBV-321 induces efficient tumor cell killing in cell line-derived models of SNO199 and U87NG cells with mAb806 expression with high expression.
In Vivo Model Glioblastoma U-87MG CDX model
In Vitro Model Glioblastoma U-87MG ATCC cells CVCL_0022
Experiment 14 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 42) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of brain cancer cell with EGFR expression,dosed 0.2 mg/kg,every seven days 3.
In Vivo Model EGFR-expressing U-87MG CDX model
In Vitro Model Glioblastoma U-87MG ATCC cells CVCL_0022
Experiment 15 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 42) High EGFR expression (EGFR+++)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of brain cancer cell with EGFR expression,dosed 0.4 mg/kg,every seven days 3.
In Vivo Model EGFR-expressing U-87MG CDX model
In Vitro Model Glioblastoma U-87MG ATCC cells CVCL_0022
Experiment 16 Reporting the Activity Date of This ADC [3]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 24) Low EGFR expression (EGFR+)
Method Description
Serclutamab talirine induces efficient tumor cell killing in PDX models of lung squamous cell carcinoma cell with EGFR expression,a single dose of 0.3 mg/kg.
In Vivo Model EGFR-expressing EBC-1 CDX model
In Vitro Model Lung squamous cell carcinoma EBC-1 cells CVCL_2891
Revealed Based on the Cell Line Data
Click To Hide/Show 38 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
15.00 pM
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma SW48 cells CVCL_1724
Experiment 2 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.23 nM Negative EGFR expression (EGFR-)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma U-87 MGvIII cells CVCL_0022
Experiment 3 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.70 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Astrocytoma U-251MG cells CVCL_0021
Experiment 4 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 0.70 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma LoVo cells CVCL_0399
Experiment 5 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.00 nM Moderate EGFR expression (EGFR++; IHC 2+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma LS174T cells CVCL_1384
Experiment 6 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.10 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma SK-CO-1 cells CVCL_0626
Experiment 7 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.40 nM Negative EGFR expression (EGFR-)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Astrocytoma SF268 cells CVCL_1689
Experiment 8 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.50 nM Low EGFR expression (EGFR+; IHC 1+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma M059K cells CVCL_0401
Experiment 9 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.50 nM Moderate EGFR expression (EGFR++)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon cancer HT29 cells CVCL_A8EZ
Experiment 10 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.80 nM Moderate EGFR expression (EGFR++; IHC 2+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma SW403 cells CVCL_0545
Experiment 11 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 1.90 nM High EGFR expression (EGFR+++)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Primitive neuroectodermal tumor PFSK-1 cells CVCL_1642
Experiment 12 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 2.50 nM High EGFR expression (EGFR+++)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Gliosarcoma SF539 cells CVCL_1691
Experiment 13 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 2.60 nM Moderate EGFR expression (EGFR++)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma COLO 201 cells CVCL_1987
Experiment 14 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 2.80 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma M059J cells CVCL_0400
Experiment 15 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 3.30 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma COLO 205 cells CVCL_0218
Experiment 16 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 3.70 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Astrocytoma SNB-19 cells CVCL_0535
Experiment 17 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.30 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma SW620 cells CVCL_0547
Experiment 18 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.60 nM Low EGFR expression (EGFR+; IHC 1+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma U-87MG cells CVCL_0022
Experiment 19 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.60 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma SW1116 cells CVCL_0544
Experiment 20 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.70 nM Low EGFR expression (EGFR+; IHC 1+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon carcinoma RKO cells CVCL_0504
Experiment 21 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.80 nM Negative EGFR expression (EGFR-)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Anaplastic astrocytoma CHLA-03-AA cells CVCL_U616
Experiment 22 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 4.80 nM Moderate EGFR expression (EGFR++)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Rectal adenocarcinoma SW1463 cells CVCL_1718
Experiment 23 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 5.50 nM Moderate EGFR expression (EGFR++)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma WiDr cells CVCL_2760
Experiment 24 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 8.00 nM Moderate EGFR expression (EGFR++; IHC 2+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma SW480 cells CVCL_0546
Experiment 25 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 8.40 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma LN-18 cells CVCL_0392
Experiment 26 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 9.00 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma DLD-1 cells CVCL_0248
Experiment 27 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 9.50 nM Moderate EGFR expression (EGFR++; IHC 2+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Cecum adenocarcinoma LS1034 cells CVCL_1382
Experiment 28 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 10.60 nM Negative EGFR expression (EGFR-)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma SNB-75 cells CVCL_1706
Experiment 29 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 11.80 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma T84 cells CVCL_0555
Experiment 30 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 12.00 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon carcinoma HCT 116 cells CVCL_0291
Experiment 31 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 13.90 nM Low EGFR expression (EGFR+; IHC 1+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma Caco-2 cells CVCL_0025
Experiment 32 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 14.50 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma T98G cells CVCL_0556
Experiment 33 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 16.10 nM Low EGFR expression (EGFR+; IHC 1+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Astrocytoma U-138MG cells CVCL_0020
Experiment 34 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 17.60 nM Low EGFR expression (EGFR+; IHC 1+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma COLO 320DM cells CVCL_0219
Experiment 35 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 18.00 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Anaplastic astrocytoma DBTRG-05MG cells CVCL_1169
Experiment 36 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50)
23.20 nM
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Glioblastoma A-172 cells CVCL_0131
Experiment 37 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 24.90 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma COLO 320HSR cells CVCL_0220
Experiment 38 Reporting the Activity Date of This ADC [3]
Efficacy Data Half Maximal Inhibitory Concentration (IC50) 28.40 nM High EGFR expression (EGFR+++; IHC 3+)
Method Description
The inhibitory activity of serclutamab talirine against cancer cell growth was compared with ABBV-221 against various human cancer cell lines in vitro. The cells were treated with serclutamab talirine and ABBV-221.
In Vitro Model Colon adenocarcinoma HCT 15 cells CVCL_0292
References
Ref 1 Phase I study of anti-epidermal growth factor receptor antibody-drug conjugate serclutamab talirine: Safety, pharmacokinetics, and antitumor activity in advanced glioblastoma. Neurooncol Adv. 2022 Dec 21;5(1):vdac183.
Ref 2 A Phase 1 Study Evaluating the Safety, Pharmacokinetics, and Anti-tumor Activity of ABBV-321 in Subjects With Advanced Solid Tumors Associated With Overexpression of the Epidermal Growth Factor Receptor (EGFR)
Ref 3 Targeting Multiple EGFR-expressing Tumors with a Highly Potent Tumor-selective Antibody-Drug Conjugate. Mol Cancer Ther. 2020 Oct;19(10):2117-2125.

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