belantamab mafodotin   Click here for help

GtoPdb Ligand ID: 11117

Synonyms: belantamab mafodotin-blmf | Blenrep® | GSK-2857916 | GSK2857916
Approved drug Immunopharmacology Ligand
belantamab mafodotin is an approved drug (FDA & EMA (2020))
Compound class: Antibody
Comment: Belantamab mafodotin (GSK2857916) is a humanised BCMA-targeting antibody-drug conjugate that is in clinical development for multiple myeloma. Mafodotin is the cytotoxic, synthetic antineoplastic monomethyl auristatin F (MMAF; PubChem CID 56841603). Belantamab mafodotin is an IgG1 class antibody so, in addition to its delivery of a cytotoxin, it is predicted to exhibit lytic activity (through complement binding) and/or induce antibody-dependent cell cytotoxicity (ADCC). GlaxoSmithKline claim anti-BCMA ADCs in patent US9273141B2 [1]. SEQ IDs 55 and 63 from US9273141B2 match the full-length heavy chain and light chain sequences respectively, that were submitted to the WHO for the belantamab mafodotin INN.
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Selectivity at catalytic receptors
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
B cell maturation antigen Hs Antibody Binding >9.8 pKd - 1
pKd >9.8 (Kd <1.5x10-10 M) [1]