General Information of This Antibody-drug Conjugate (ADC)
ADC ID
DRG0NMCNN
ADC Name
SGN-CD48A
Synonyms
SGNCD48A; SGN CD48A
   Click to Show/Hide
Organization
Seagen Inc.
Drug Status
Phase 1
Indication
In total 1 Indication(s)
Multiple myeloma [ICD11:2A83]
Phase 1
Drug-to-Antibody Ratio
8
Antibody Name
Humanized Anti-SLAMF2 SGN-CD48A mAb
 Antibody Info 
Antigen Name
CD48 antigen (CD48)
 Antigen Info 
Payload Name
Monomethyl auristatin E
 Payload Info 
Therapeutic Target
Microtubule (MT)
 Target Info 
Linker Name
Beta-Glucuronidase cleavable linker
 Linker Info 
Combination Type
Glucuronide-MMAE
TTD ID
D0S5CY
General Information of The Activity Data Related to This ADC
Identified from the Human Clinical Data
Click To Hide/Show 1 Activity Data Related to This Level
Standard Type NCT Number Clinical Status Clinical Trial Description
Undisclosed  NCT03379584
Phase 1
A phase 1 study of SGN-CD48A in patients with relapsed or refractory multiple myeloma.
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 3 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Tumor Growth Inhibition value (TGI) 
75
%
EJM cells
Plasma cell myeloma
Tumor Growth Inhibition value (TGI) 
87.5
%
U-266 cells
Plasma cell myeloma
Tumor Growth Inhibition value (TGI) 
100
%
NCI-H929 cells
Plasma cell myeloma
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Standard Type Value Units Cell Line Disease Model
Half Maximal Effective Concentration (EC50) 
1.00-11.00
ng/mL
Multiple myeloma cells
Multiple myeloma
Full List of Activity Data of This Antibody-drug Conjugate
Identified from the Human Clinical Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Related Clinical Trial
NCT Number NCT03379584  Clinical Status Phase 1
Clinical Description A phase 1 study of SGN-CD48A in patients with relapsed or refractory multiple myeloma.
Discovered Using Cell Line-derived Xenograft Model
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [2]
Efficacy Data Tumor Growth Inhibition value (TGI) 75.00% Positive SLAMF2 expression (SLAMF2+++/++)
Method Description
SGN-CD48A was evaluated in vivo for antitumor activity in a diffuse MM cell line xenograft model in mice. SGN-CD48A was administered at a single dose of 0.30 mg/kg.
In Vivo Model Multiple myeloma CDX model
In Vitro Model Plasma cell myeloma EJM cells CVCL_2030
Experiment 2 Reporting the Activity Date of This ADC [2]
Efficacy Data Tumor Growth Inhibition value (TGI) 87.50% Positive SLAMF2 expression (SLAMF2+++/++)
Method Description
SGN-CD48A was evaluated in vivo for antitumor activity in a diffuse MM cell line xenograft model in mice. SGN-CD48A was administered at a single dose of 1.00 mg/kg.
In Vivo Model Multiple myeloma CDX model
In Vitro Model Plasma cell myeloma U-266 cells CVCL_0015
Experiment 3 Reporting the Activity Date of This ADC [2]
Efficacy Data Tumor Growth Inhibition value (TGI) 100.00% Positive SLAMF2 expression (SLAMF2+++/++)
Method Description
SGN-CD48A was evaluated in vivo for antitumor activity in a diffuse MM cell line xenograft model in mice. SGN-CD48A was administered at a single dose of 0.30 mg/kg.
In Vivo Model Multiple myeloma CDX model
In Vitro Model Plasma cell myeloma NCI-H929 cells CVCL_1600
Revealed Based on the Cell Line Data
Click To Hide/Show 1 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [2]
Efficacy Data Half Maximal Effective Concentration (EC50) 1.00-11.00 ng/mL High CD48 expresion (CD48+++/++; 1260 MSLN molecules/cell)
Method Description
Cytotoxic activity of SGN-CD48A was demonstrated in a panel of human MM cell lines in vitro.
In Vitro Model Multiple myeloma Multiple myeloma cells Homo sapiens
References
Ref 1 A Phase 1 Study of SGN-CD48A in Patients With Relapsed or Refractory Multiple Myeloma
Ref 2 SGN-CD48A: a Novel Humanized Anti-CD48 Antibody-Drug Conjugate for the Treatment of Multiple Myeloma. Blood. 2016 Dec 2;128(22):4470.

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