In July 2020, the U.S. Food and Drug Administration (FDA) approved brexucabtagene autoleucel (BA), the first anti-CD19 chimeric antigen receptor (CAR) T-cell therapy for the treatment of relapsed/refractory mantle cell lymphoma (MCL). The pivotal ZUMA-2 trial led to the approval of BA in patients who experienced relapsed disease on prior therapies (chemotherapy and/or Bruton tyrosine kinase [BTK] inhibitors). The FDA approval of BA was based on excellent responses with this therapy in highly refractory patients with MCL, who conventionally had poor outcomes. Longer follow-up data from the ZUMA-2 study have been presented at recent international meetings. As is common with other CAR T-cell therapies in lymphomas, the main toxicities of BA therapy included cytokine release syndrome (CRS), infections, cytopenias and CAR-associated neurotoxicity. In this review, we provide a summary of the data in the development of BA and its impact on MCL patient survival and future directions.
Keywords: Anti-CD19 therapies; Brexucabtagene autoleucel; Cancer immunotherapy; Chimeric antigen receptor (CAR) T-cell therapy; Hematologic malignancies; Mantle cell lymphoma; Non-Hodgkin lymphoma.
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