FDA panel not ready to recommend quizartinib approval for FLT3-ITD+ AML


‘I believe in this drug’

The ODAC meeting was convened to answer questions about whether the overall survival results were credible based on a single clinical trial and outweighed the risks of treatment with quizartinib, and to assess risk strategies for reducing risks of potentially fatal cardiac toxicities, primarily prolongation of the QT interval.

A. Michael Lincoff, MD, a cardiologist at Case Western Reserve University and the Cleveland Clinic, both in Cleveland, Ohio, voted in favor of approval.

“I’m less concerned about the risk and I do think on the balance there is benefit,” he said.

But most committee members echoed the comments of Anthony D. Sung, MD, from the division of hematologic malignancies and cellular therapy at Duke University in Durham, N.C.

“My vote is based purely on the data I’m shown, and my vote is no,” he said. “But I want the FDA to know that I believe in this drug, and I think it should get approved, and I want to use it.”

The trial was sponsored by Daiichi Sankyo. Dr. Cortes reported research funding from Daiichi Sankyo, Pfizer, Arog, Astellas Pharma and Novartis, and consulting activities for all of the same companies except Arog. Dr. Levis is a paid consultant for Daiichi Sankyo. He and Dr. Cortes stated that they had no financial interests in the outcome of the ODAC meeting.

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