Eisai/Biogen Alzheimer’s Drug Effective: FDA

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FDA medical reviewers say data from the Phase 3 CLARITY AD trial support the benefits of Eisai/Biogen’s Leqembi (lecanemab) in the early treatment of Alzheimer’s disease. In a briefing document released in advance of the 6/9 meeting of the Peripheral and Central Nervous Systems Drugs Advisory Committee, the medical reviewers ask committee members to confirm Leqembi’s clinical benefit in treating Alzheimer’s disease. Committee members also will discuss the drug’s benefits and risks.

Eisai received accelerated approval for Leqembi 1/6 and was required to conduct a postmarketing clinical trial verifying and describing the anticipated Leqembi clinical benefit. The results of the confirmatory study are the focus of the meeting, the document says.

The study met its primary endpoint and also showed significant treatment effects in secondary endpoints, the reviewers say. The primary safety issues identified in the study are amyloid-related imaging abnormalities, cerebral hemorrhage, and infusion-related reactions and hypersensitivity.

Committee members are asked to:

  • consider whether results from the study confirm the clinical benefit of lecanemab in treating Alzheimer’s disease; and
  • consider the overall benefit/risk assessment of lecanemab for the treatment of Alzheimer’s disease, including some subgroups.

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