Belantamab Mafodotin: First Approval
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Belantamab mafodotin (BLENREP™; belantamab mafodotin-blmf) is a first-in-class monoclonal antibody-drug conjugate (ADC) that has been developed for the treatment of multiple myeloma by GlaxoSmithKline. The ADC comprises an antibody targeting B-cell maturation antigen (BCMA) conjugated to the microtubule inhibitor monomethyl auristatin F (MMAF). The antibody moiety binds to BCMA on the tumour cell surface, delivering the cytotoxic microtubule inhibitor MMAF to the therapeutic target. Based on preliminary results from the multinational DREAMM-2 trial, belantamab mafodotin was approved in early August 2020 in the USA for the treatment of relapsed or refractory multiple myeloma in adult patients who have received at least four prior therapies, including an anti CD38 monoclonal antibody, a proteasome inhibitor, and an immunomodulatory agent. The ADC was also approved in the EU for this indication in late August 2020. This article summarizes the milestones in the development of belantamab mafodotin leading to this first approval.
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