Third Member of US FDA Advisory Panel Resigns Over Alzheimer's Drug Approval

A third member of a panel of outside advisers to the U.S. Food and Drug Administration has resigned in protest over the agency's decision to approve Biogen's Alzheimer's disease treatment despite the committee's recommendation against doing so. Reuters reports: Aaron Kesselheim, a Professor of Medicine at Harvard Medical School who had served on the FDA's advisory committee for nervous system drugs since 2015, told Reuters on Thursday he was stepping down from the panel. "My rationale was that the FDA needs to re-evaluate how it solicits and uses the advisory committees ... because I didn't think that the firm recommendations from the committee in this case ... were appropriately integrated into the decision-making process," Kesselheim said in an email. He cited FDA's decision to approve Sarepta Therapeutic's drug, eteplirsen, for Duchenne muscular dystrophy in 2016 as another example of the regulator approving a drug against the recommendations of its advisory committee.

On Tuesday, a member of the advisory group who voted against the approval, Washington University neurologist Dr. Joel Perlmutter, resigned from the committee, citing the FDA's approval of Aduhelm. Mayo Clinic neurologist Dr. David Knopman said he resigned on Wednesday. The 11-member committee voted nearly unanimously in November that Biogen's drug should not be approved, citing inconclusive evidence that the drug was effective.

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