Daiichi’s Quizartinib And The Quintessential 'Pazdur Moment'
• By Michael McCaughan
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Daiichi Sankyo made a strong case to rebut US FDA’s concerns about the 'credibility' of a survival benefit reported for its refractory AML therapy quizartinib in front of the Oncologic Drugs Advisory Committee. Then Richard Pazdur spoke.
He looks friendly enough, but sponsors should try to avoid getting into an ODAC with him. • Source: FDA photo by Michael J. Ermarth
Daiichi Sankyo Co. Ltd.’s refractory acute myeloid leukemia therapy quizartinib received Breakthrough status from the US Food & Drug Administration just one year ago, but seems headed to a “complete response” letter after an 8-3 vote against approval by the Oncologic Drugs Advisory Committee on 14 May.
A real-world evidence study also does not meet the regulatory standard for an adequate and well-controlled clinical investigation, the agency said. The FDA should allow the accelerated approval drug to remain available like other treatments that failed their confirmatory trials, Intercept said.
New marketing authorization applications filed with the European Medicines Agency's human medicines committee (the CHMP) for review under the EU's centralized procedure. Updated monthly.
Proposal to have panelists rate the strength of efficacy and safety evidence on a numeric scale also draws support in written comments on ways to optimize the advisory committee process.
A real-world evidence study also does not meet the regulatory standard for an adequate and well-controlled clinical investigation, the agency said. The FDA should allow the accelerated approval drug to remain available like other treatments that failed their confirmatory trials, Intercept said.
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