ODAC Looking at Increased Deaths in 2 Drugs

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FDA is asking the Oncologic Drugs Advisory Committee to discuss on 3/15 an increased number of deaths in two cancer drugs whose manufacturers have submitted sBLAs for a new indication. The committee will consider the sBLA submitted by Celgene for its Abecma (idecabtagene vicleucel) to treat adults with relapsed or refractory multiple myeloma who have received an immunomodulatory agent and an anti-CD38 monoclonal antibody, and the sBLA submitted by Janssen for Carvykti (ciltacabtagene autoleucel) to treat adults with relapsed or refractory myeloma who have received at least one prior line of therapy, including a proteasome inhibitor and an immunomodulatory agent, and are refractory to lenalidomide (Celgene’s Revlimid).

An agency briefing document on the Abecma sBLA asks the committee to discuss an increased number of early deaths in the Abecma arm of the KarMMa-3 trial compared to the standard of care arm, and whether the overall benefit/risk assessment is favorable given the higher rate of early deaths.

The Carvykti briefing document cites an increased number of early deaths in the Carvykti arm of the CARTITUDE-4 trial compared to the standard of care. The document says the adequacy of trial exploratory analyses to support the identification of strategies to mitigate the risk of early deaths warrants further discussion.

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