General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0BIVOI
ADC Name
Anti-KIT 9P3?SMCC-DM1
Synonyms
Anti-KIT-9P3?SMCC-DM1
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Organization
Novartis AG
Drug Status
Investigative
Indication
In total 3 Indication(s)
Acute myeloid leukaemia [ICD11:2A60]
Investigative
Melanoma [ICD11:2C30]
Investigative
Small cell lung cancer [ICD11:2C25]
Investigative
Drug-to-Antibody Ratio
3.6
Antibody Name
Anti-KIT mAb 9P3
 Antibody Info 
Antigen Name
Mast/stem cell growth factor receptor Kit (KIT)
 Antigen Info 
Payload Name
Mertansine DM1
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
Succinimidyl-4-(N-maleimidomethyl)cyclohexane-1-carboxylate (SMCC)
 Linker Info 
General Information of The Activity Data Related to This ADC
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 5 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≈ 78.93
%
CVCL_0589
Myeloid leukemia with maturation
Tumor Growth Inhibition value (TGI) 
≈ 84.35
%
CVCL_0003
Mast cell leukemia
Tumor Growth Inhibition value (TGI) 
≈ 93
%
CVCL_7040
Gastrointestinal stromal tumor
Tumor Growth Inhibition value (TGI) 
≈ 100
%
CVCL_4976
Gastrointestinal stromal tumor
Tumor Growth Inhibition value (TGI) 
≈ 100
%
CVCL_4976
Gastrointestinal stromal tumor
Revealed Based on the Cell Line Data
Click To Hide/Show 28 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Max inhibition rate (MIR) 
60
%
CVCL_7040
Gastrointestinal stromal tumor
Max inhibition rate (MIR) 
75
%
CVCL_4976
Gastrointestinal stromal tumor
Max inhibition rate (MIR) 
86
%
CVCL_1598
Lung small cell carcinoma
Max inhibition rate (MIR) 
87
%
CVCL_1507
Lung small cell carcinoma
Max inhibition rate (MIR) 
91
%
CVCL_0217
Acute megakaryoblastic leukemia
Max inhibition rate (MIR) 
92
%
CVCL_0614
Acute myeloid leukemia
Max inhibition rate (MIR) 
95
%
CVCL_2481
Erythroleukemia
Max inhibition rate (MIR) 
98
%
CVCL_1569
Lung small cell carcinoma
Max inhibition rate (MIR) 
99
%
CVCL_2149
Acute myeloid leukemia
Max inhibition rate (MIR) 
99
%
CVCL_2196
Adult acute myeloid leukemia
Max inhibition rate (MIR) 
99
%
CVCL_0104
Essential thrombocythemia
Max inhibition rate (MIR) 
99
%
CVCL_1453
Lung small cell carcinoma
Max inhibition rate (MIR) 
100
%
CVCL_0589
Myeloid leukemia with maturation
Max inhibition rate (MIR) 
100
%
CVCL_2106
Acute megakaryoblastic leukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
0.02
nM
CVCL_4976
Gastrointestinal stromal tumor
Half Maximum Growth Inhibitory Concentration (GI50) 
0.05
nM
CVCL_0217
Acute megakaryoblastic leukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
0.05
nM
CVCL_1569
Lung small cell carcinoma
Half Maximum Growth Inhibitory Concentration (GI50) 
0.08
nM
CVCL_2106
Acute megakaryoblastic leukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
0.08
nM
CVCL_7040
Gastrointestinal stromal tumor
Half Maximum Growth Inhibitory Concentration (GI50) 
0.09
nM
CVCL_1507
Lung small cell carcinoma
Half Maximum Growth Inhibitory Concentration (GI50) 
0.11
nM
CVCL_2149
Acute myeloid leukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
0.15
nM
CVCL_1598
Lung small cell carcinoma
Half Maximum Growth Inhibitory Concentration (GI50) 
0.61
nM
CVCL_2481
Erythroleukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
1.29
nM
CVCL_0614
Acute myeloid leukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
1.8
nM
CVCL_0104
Essential thrombocythemia
Half Maximum Growth Inhibitory Concentration (GI50) 
3.6
nM
CVCL_2196
Adult acute myeloid leukemia
Half Maximum Growth Inhibitory Concentration (GI50) 
4
nM
CVCL_0589
Myeloid leukemia with maturation
Half Maximum Growth Inhibitory Concentration (GI50) 
4.3
nM
CVCL_1453
Lung small cell carcinoma
Full List of Activity Data of This Antibody-drug Conjugate
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 [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 78.93% (Day 14) 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 [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 84.35% (Day 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 [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 93.00% (Day 43) 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 [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 50) 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 [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 100.00% (Day 50) 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 28 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Max inhibition rate (MIR) 60.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 75.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 86.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 87.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 91.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 92.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 95.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 98.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 99.00% 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 10 Reporting the Activity Date of This ADC [1]
Efficacy Data Max inhibition rate (MIR) 99.00% 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 11 Reporting the Activity Date of This ADC [1]
Efficacy Data Max inhibition rate (MIR) 99.00% 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 12 Reporting the Activity Date of This ADC [1]
Efficacy Data Max inhibition rate (MIR) 99.00% 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 13 Reporting the Activity Date of This ADC [1]
Efficacy Data Max inhibition rate (MIR) 100.00% 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 [1]
Efficacy Data Max inhibition rate (MIR) 100.00% 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 15 Reporting the Activity Date of This ADC [1]
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 [1]
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 17 Reporting the Activity Date of This ADC [1]
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 18 Reporting the Activity Date of This ADC [1]
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 19 Reporting the Activity Date of This ADC [1]
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 20 Reporting the Activity Date of This ADC [1]
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 [1]
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 [1]
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 [1]
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 [1]
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 [1]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) 1.80 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 [1]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) 3.60 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 [1]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) 4.00 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 [1]
Efficacy Data Half Maximum Growth Inhibitory Concentration (GI50) 4.30 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
References
Ref 1 Antibody drug conjugates.

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