General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0KTFHQ
ADC Name
HuIgG1-SPDB-DM4
Drug Status
Investigative
Drug-to-Antibody Ratio
3.2
Structure
Antibody Name
Undisclosed
Antigen Name
Folate receptor alpha (FOLR1)
 Antigen Info 
Payload Name
Mertansine DM4
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
N-succinimidyl 4-(2-pyridyldithio) butanoate (SPDB)
 Linker Info 
Conjugate Type
Random conjugation through nucleophilic lysines.
Combination Type
Ravtansine
The indication landscape of This ADC(2027 Update)
General Information of The Activity Data Related to This ADC
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) 
30
%
KB cells
Human papillomavirus-related endocervical adenocarcinoma
Full List of Activity Data of This Antibody-drug Conjugate
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) 30% 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 50 mg/kg, equivalent to 82 g conjugated maytansinoid per kg The conjugates were injected on day 4 after cell inoculation.
In Vivo Model FRalpha-positive KB CDX model
In Vitro Model Human papillomavirus-related endocervical adenocarcinoma KB cells CVCL_0372
References
Ref 1 IMGN853, a Folate Receptor- (FR)-Targeting Antibody-Drug Conjugate, Exhibits Potent Targeted Antitumor Activity against FR-Expressing Tumors. Mol Cancer Ther. 2015 Jul;14(7):1605-13.