General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0ESMLO
ADC Name
WO2018135501A1 ADC-14
Synonyms
WO2018135501A1 ADC14
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Organization
Daiichi Sankyo Co., Ltd.
Drug Status
Investigative
Indication
In total 1 Indication(s)
Gastrointestinal stromal tumor [ICD11:2B5B]
Investigative
Drug-to-Antibody Ratio
7.6
Antibody Name
h046-H4e/L7
 Antibody Info 
Antigen Name
G-protein coupled receptor 20 (GPR20)
 Antigen Info 
Payload Name
Undisclosed
Linker Name
WO2018135501A1_ADC-14 linker
General Information of The Activity Data Related to This ADC
Discovered Using Patient-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Standard Type Value Units Animal Model (No. of PDX)
Tumor Growth Inhibition value (TGI) 
≜ 33.8
%
Gastrointestinal stromal tumor (GIST) PDX model (PDX: GIST074)
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≛ 18.5
%
NCI-N87 cells
Gastric tubular adenocarcinoma
Full List of Activity Data of This Antibody-drug Conjugate
Discovered Using Patient-derived Xenograft Model
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≜ 33.80% (Day 26) Positive GPR20 expression (GPR20+++/++)
Method Description
To establish gastrointestinal stromal tumor model, 5 x 106 cells were implanted into the right flank of athymic nu/nu female donor mice. When tumors reached ~100 mm3 mice were randomly allocated to treatment groups. The dose of ADC was 10 mg/kg, i.v. at day29, day 50.
In Vivo Model Gastrointestinal stromal tumor (GIST) PDX model (PDX: GIST074)
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 [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≛ 18.50% (Day 26) Positive GPR20 expression (GPR20+++/++)
Method Description
To establish gastrointestinal stromal tumor model, 5 x 106 cells were implanted into the right flank of athymic nu/nu female donor mice. When tumors reached ~100 mm3 mice were randomly allocated to treatment groups. The dose of ADC was 3 mg/kg, i.v.*1.
In Vivo Model NCI-N87 CDX model
In Vitro Model Gastric tubular adenocarcinoma NCI-N87 cells CVCL_1603
References
Ref 1 Anti-gpr20 antibody and anti-gpr20 antibody-drug conjugate; 2018-07-26.

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