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Benzinga
Benzinga
Technology
Vandana Singh

Biogen Outlines Aduhelm's Confirmatory Trial Plans, Data Expected In 2026

Biogen Inc (NASDAQ:BIIB) and Eisai Co Ltd (OTC:ESALY) are looking to get initial data from the FDA-mandated confirmatory trial for its Alzheimer’s disease drug Aduhelm out in four years. 

  • The companies will launch a global 1,300-person trial in May 2022 that will randomize early-stage Alzheimer’s patients to receive either Aduhelm or a placebo. 
  • The plans see Biogen and partner Eisai submitting the final protocol of the trial for FDA review by next March.
  • Related Link: Amid Shaky Launch Of Aduhelm, Biogen Mulls Substantial Layoffs: STAT News Report.
  • The company said it will probably take about four years for the trial to generate results, pushing a final answer to 2026.
  • The trial will also include a long-term extension to collect longer-term treatment data for up to 48 months.
  • Biogen was given accelerated approval, meaning the company showed the drug acts on an important biological marker, reducing the sticky amyloid plaques that clump in Alzheimer’s patients’ brains.
  • But the drug did not prove any activity benefitting the patients.
  • The FDA requires Biogen to run a trial proving the benefit or the agency can request that Biogen pull the drug from the market.
  • Price Action: BIIB shares are up 1.95% at $240.47 during the market session on the last check Thursday.
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