Belantamab (GSK2857916) is a humanized IgG1 anti-BCMA/TNFRSF17 monoclonal antibody. Belantamab is linked to MMAF (HY-15579) through a non-cleavable ADC linker to synthesize the antibody-active molecule conjugate (ADC) Belantamab mafodotin (HY-P3239). After binding to BCMA on the surface of tumor cells, Belantamab mafodotin enters the cell through receptor-mediated endocytosis. After entering the cell, Belantamab mafodotin releases MMAF, blocks cell division by inhibiting tubulin polymerization, arrests the cell cycle and induces cell apoptosis. Belantamab can be used for the study of multiple myeloma, especially relapsed/refractory multiple myeloma[1][2].
