US FDA Neuroscience Office Director Billy Dunn Departs As Agency Faces New Review Challenges

Dunn is retiring after an 18-year career that included involvement in some high-profile and controversial drug approval decisions, not the least of which is Biogen’s Alzheimer’s treatment Aduhelm; deputy director Teresa Buracchio takes over the neurology office on an acting basis.

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FDA's Billy Dunn is closing the door on an 18-year career at the agency. • Source: Shutterstock

Billy Dunn, the US FDA’s Office of Neuroscience director who spearheaded the controversial accelerated approval of Biogen, Inc.’s Alzheimer’s disease treatment Aduhelm (aducanumab-avwa) and championed the need for regulatory flexibility in rare neurodegenerative diseases, is leaving the agency.

Dunn “has decided to retire from FDA and explore other opportunities while continuing his focus on improving the lives of...

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