Biogen Closes The Book On The Aduhelm Saga

Biogen will end the development and commercialization of Aduhelm, the first anti-amyloid antibody drug to reach the US market for Alzheimer’s, including the confirmatory ENVISION trial.

closed book
Biogen is ending development and commercialization of Aduhelm • Source: Shutterstock

Biogen, Inc.'s decade-long Aduhelm (aducanumab) story line took many twists and turns over the course of its development, capturing national attention in 2021 when the drug became the first anti-amyloid antibody to reach the US market for Alzheimer's disease on scant efficacy evidence and quickly fading from the spotlight when the hyped commercial launch failed and a second anti-amyloid drug fromEisai Co., Ltd. and Biogen, Leqembi (lecanemab), gained full approval from the US Food and Drug Administration in 2023.

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