General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0BXRDQ
ADC Name
Veltuzumab-SN-38
Synonyms
Vmab-SN-38
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Drug Status
Investigative
Indication
In total 3 Indication(s)
B-cell lymphoma [ICD11:2A86]
Investigative
Burkitt lymphoma [ICD11:2A85]
Investigative
Mantle cell lymphoma [ICD11:2A85]
Investigative
Drug-to-Antibody Ratio
6
Antibody Name
Veltuzumab
 Antibody Info 
Antigen Name
B-lymphocyte antigen CD20 (MS4A1)
 Antigen Info 
Payload Name
Active metabolite of irinotecan SN38
 Payload Info 
Therapeutic Target
DNA topoisomerase 1 (TOP1)
 Target Info 
Linker Name
CL2A
 Linker Info 
Conjugate Type
Random conjugation through reduced inter-chain cysteines.
Combination Type
Govitecan
General Information of The Activity Data Related to This ADC
Revealed Based on the Cell Line Data
Click To Hide/Show 12 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Effective Concentration (EC50) 
0.83
nM
WSU-FSCCL cells
Follicular lymphoma
Half Maximal Effective Concentration (EC50) 
1.98
nM
JeKo-1 cells
Mantle cell lymphoma
Half Maximal Effective Concentration (EC50) 
4.88
nM
Raji cells
EBV-related Burkitt lymphoma
Half Maximal Effective Concentration (EC50) 
13.56
nM
Daudi cells
Burkitt lymphoma
Half Maximal Effective Concentration (EC50) 
> 50
nM
Ramos cells
Burkitt lymphoma
Half Maximal Effective Concentration (EC50) 
> 50
nM
Reh cells
B acute lymphoblastic leukemia
Half Maximal Effective Concentration (EC50) 
> 50
nM
697 cells
Childhood B acute lymphoblastic leukemia
Half Maximal Effective Concentration (EC50) 
> 50
nM
RS4
11 cells
Adult B acute lymphoblastic leukemia
Half Maximal Effective Concentration (EC50) 
> 50
nM
MN-60 cells
Burkitt lymphoma
Half Maximal Effective Concentration (EC50) 
77.9
nM
Reh cells
B acute lymphoblastic leukemia
Half Maximal Effective Concentration (EC50) 
162
nM
Reh cells
B acute lymphoblastic leukemia
Half Maximal Effective Concentration (EC50) 
246.6
nM
Raji cells
EBV-related Burkitt lymphoma
Full List of Activity Data of This Antibody-drug Conjugate
Revealed Based on the Cell Line Data
Click To Hide/Show 12 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 0.83 nM Moderate CD20 expression (CD20++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Follicular lymphoma WSU-FSCCL cells CVCL_1903
Experiment 2 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 1.98 nM High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Mantle cell lymphoma JeKo-1 cells CVCL_1865
Experiment 3 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 4.88 nM High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model EBV-related Burkitt lymphoma Raji cells CVCL_0511
Experiment 4 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 13.56 nM High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Burkitt lymphoma Daudi cells CVCL_0008
Experiment 5 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Burkitt lymphoma Ramos cells CVCL_0597
Experiment 6 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 7 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Childhood B acute lymphoblastic leukemia 697 cells CVCL_0079
Experiment 8 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Adult B acute lymphoblastic leukemia RS4;11 cells CVCL_0093
Experiment 9 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) > 50.00 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model Burkitt lymphoma MN-60 cells CVCL_1421
Experiment 10 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 77.90 nM Moderate CD22 expression (CD22++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 11 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 162 nM Low CD20 expression (CD20+)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model B acute lymphoblastic leukemia Reh cells CVCL_1650
Experiment 12 Reporting the Activity Date of This ADC [1]
Efficacy Data Half Maximal Effective Concentration (EC50) 246.60 nM High CD20 expression (CD20+++)
Method Description
Cytotoxicity was determined using the MTS dye reduction assay.
In Vitro Model EBV-related Burkitt lymphoma Raji cells CVCL_0511
References
Ref 1 Epratuzumab-SN-38: a new antibody-drug conjugate for the therapy of hematologic malignancies. Mol Cancer Ther. 2012 Jan;11(1):224-34. doi: 10.1158/1535-7163.MCT-11-0632. Epub 2011 Oct 28.

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