General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0EXQEE
ADC Name
Anti-CD22- (LC:K149C)-SN36248
Synonyms
AntiCD22- (LC:K149C)-SN36248; anti-CD22-SN36248
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Organization
Genentech, Inc
Drug Status
Investigative
Indication
In total 1 Indication(s)
Non Hodgkin lymphoma [ICD11:2B33]
Investigative
Drug-to-Antibody Ratio
2
Structure
Antibody Name
Pinatuzumab
 Antibody Info 
Antigen Name
B-cell receptor CD22 (CD22)
 Antigen Info 
Payload Name
seco-CBI-dimer
 Payload Info 
Therapeutic Target
Human Deoxyribonucleic acid (hDNA)
 Target Info 
Linker Name
Mal-PEG2
 Linker Info 
Conjugate Type
Site-specific conjugated of maleimidocaproyl with K149C site in light chain free thiol via Michael addition.
Combination Type
SN36248
General Information of The Activity Data Related to This ADC
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
≈ 95.7
%
Raji cells
EBV-related Burkitt lymphoma
Tumor Growth Inhibition value (TGI) 
≈ 96
%
WSU-DLCL2 cells
Diffuse large B-cell lymphoma
Tumor Growth Inhibition value (TGI) 
≈ 96.7
%
BJAB.Luc-22R1.2 cells
Burkitt lymphoma
Tumor Growth Inhibition value (TGI) 
≈ 99.2
%
BJAB.Luc cells
Burkitt lymphoma
Full List of Activity Data of This Antibody-drug Conjugate
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 4 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 95.70% (Day 10) Positive CD22 expression (CD22+++/++)
Method Description
The inhibitory activity of thio-hu anti-CD22-(LC:K149C)-SN36248 against cancer cell growth was compared with a Pinatuzumab vedotin (pina) and polatuzumab vedotin (pola) against various human cancer cell lines in vitro.
In Vitro Model EBV-related Burkitt lymphoma Raji cells CVCL_0511
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 96.00% (Day 15) Positive CD22 expression (CD22+++/++)
Method Description
The inhibitory activity of thio-hu anti-CD22-(LC:K149C)-SN36248 against cancer cell growth was compared with a Pinatuzumab vedotin (pina) and polatuzumab vedotin (pola) against various human cancer cell lines in vitro.
In Vitro Model Diffuse large B-cell lymphoma WSU-DLCL2 cells CVCL_1902
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 96.70% (Day 14) Positive CD22 expression (CD22+++/++)
Method Description
The inhibitory activity of thio-hu anti-CD22-(LC:K149C)-SN36248 against cancer cell growth was compared with a Pinatuzumab vedotin (pina) and polatuzumab vedotin (pola) against various human cancer cell lines in vitro.
In Vitro Model Burkitt lymphoma BJAB.Luc-22R1.2 cells CVCL_5711
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Tumor Growth Inhibition value (TGI) ≈ 99.20% (Day 15) Positive CD22 expression (CD22+++/++)
Method Description
The inhibitory activity of thio-hu anti-CD22-(LC:K149C)-SN36248 against cancer cell growth was compared with a Pinatuzumab vedotin (pina) and polatuzumab vedotin (pola) against various human cancer cell lines in vitro.
In Vitro Model Burkitt lymphoma BJAB.Luc cells CVCL_5711
References
Ref 1 An Anti-CD22-seco-CBI-Dimer Antibody-Drug Conjugate (ADC) for the Treatment of Non-Hodgkin Lymphoma That Provides a Longer Duration of Response than Auristatin-Based ADCs in Preclinical Models. Mol Cancer Ther. 2021 Feb;20(2):340-346.

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