General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0WMWEQ
ADC Name
CN107667118A ADC-2
Synonyms
CN107667118A_ADC-2
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Organization
Astellas Pharma Inc.
Drug Status
Investigative
Indication
In total 1 Indication(s)
Gastric cancer [ICD11:2B72]
Investigative
Drug-to-Antibody Ratio
4
Antibody Name
Anti-CLDN18.2 mAb
 Antibody Info 
Antigen Name
Claudin-18.2 (CLDN18.2)
 Antigen Info 
Payload Name
Undisclosed
Linker Name
CN107667118A ADC-2 linker
General Information of The Activity Data Related to This ADC
Revealed Based on the Cell Line Data
Click To Hide/Show 5 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Effective Concentration (EC50) 
103
ng/mL
CVCL_1603
Gastric tubular adenocarcinoma
Half Maximal Effective Concentration (EC50) 
183
ng/mL
CVCL_0186
Pancreatic ductal adenocarcinoma
Half Maximal Effective Concentration (EC50) 
0
ug/mL
CVCL_0045
Normal
Half Maximal Effective Concentration (EC50) 
0
ug/mL
CVCL_3082
Gastric signet ring cell adenocarcinoma
Half Maximal Effective Concentration (EC50) 
0
ug/mL
CVCL_3082
Gastric signet ring cell adenocarcinoma
Full List of Activity Data of This Antibody-drug Conjugate
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 [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 103.00 ng/mL Positive CLDN18.2 expression (CLDN18.2+++/++)
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 tubular adenocarcinoma NCI-N87 cells CVCL_1603
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 183.00 ng/mL Positive CLDN18.2 expression (CLDN18.2+++/++)
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 Pancreatic ductal adenocarcinoma BxPC-3 CDX model cells CVCL_0186
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 1.59 ug/mL Positive CLDN18.2 expression (CLDN18.2+++/++)
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 Normal HEK293 cells CVCL_0045
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 2.52 ug/mL Positive CLDN18.2 expression (CLDN18.2+++/++)
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 signet ring cell adenocarcinoma NUGC-4 cells CVCL_3082
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 2.83 ug/mL Positive CLDN18.2 expression (CLDN18.2+++/++)
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 signet ring cell adenocarcinoma NUGC-4 cells CVCL_3082
References
Ref 1 Drug conjugates comprising antibodies against claudin 18.2.

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