STAT+: In a sudden move, Al Sandrock, the man behind Biogen’s Aduhelm, to retire

Al Sandrock, Biogen’s top scientist and the face of its years-long campaign to develop a treatment for Alzheimer’s disease, is leaving the company after more than two decades, STAT has learned.

The surprise departure of Sandrock, who oversees all of Biogen’s research and development, leaves a void in the company’s upper ranks. And it comes as Biogen is facing a worsening business outlook, saddled with a string of setbacks to its research pipeline and forced to defend its scientific integrity after the approval of the polarizing Alzheimer’s treatment Aduhelm.

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