‘Dangling’ Cancer Indications In US: New Year Brings New Withdrawals Of Accelerated Approvals
Gilead pulls Zydelig’s third-line indications in follicular B-cell lymphoma and small lymphocytic lymphoma due to confirmatory trial enrollment challenges resulting from an evolving treatment landscape; 13 cancer indications now have been withdrawn since the FDA began cracking down on accelerated approvals that have not confirmed clinical benefit.
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Secura’s Copiktra: Trial Design, Shifting Standard Of Care Could Spell The End For Third-Line CLL/SLL
In concluding benefits do not outweigh risks in the drug’s current indication, US FDA advisory committee members cite concerns about survival data from the Phase III DUO trial, as well as the drug’s toxicities, safety issues with the PI3K inhibitor class, and the changing treatment landscape for chronic lymphocytic leukemia and small lymphocytic lymphoma.
Advisory committee votes 14-2 that melflufen’s benefit-risk profile is unfavorable in the current accelerated approval indication for fifth-line treatment of multiple myeloma; panel rejects sponsor’s attempt to rely on post hoc analyses to 'carve out' a subpopulation that, it asserts, is responsible for negative overall survival trend in OCEAN confirmatory trial.
Leaders of FDA’s oncology center say sponsors could initiate a single randomized trial prior to receiving accelerated approval or conduct a single-group AA study concurrently with a randomized trial. FDA and sponsor could agree in advance on criteria for approval and withdrawal.