Oncopeptides’ Pepaxto Needs New Study To Identify Population That Will Benefit, FDA Panel Says
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.
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An observational single-arm study and a dose-optimization study are planned if the FDA does not withdraw accelerated approval of the multiple myeloma drug, Oncopeptides says. If an additional confirmatory trial is needed, company suggests two different approaches, one of which is almost a repeat of the OCEAN study, the results of which remain in dispute.
FDA’s Pepaxto Decider: Peter Marks To Handle Oncopeptides’ Appeal Of Accelerated Approval Withdrawal
CBER director will decide whether the multiple myeloma drug should be withdrawn under new expedited withdrawal procedures; it's the third time FDA leaders have asked senior officials in the biologics center to help decide the fate of a CDER-regulated accelerated approval drug.
Company’s appeal of the US FDA’s formal request to voluntarily withdraw accelerated approval of the multiple myeloma agent is expected to follow the streamlined procedures created in last year’s omnibus legislation, which would preclude a second advisory committee review of melflufen’s fate.