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flag Most early Alzheimer’s patients on lecanemab stayed on treatment for over 2 years, real-world data shows.

flag Real-world data from over 10,000 U.S. patients show that most early Alzheimer’s patients on lecanemab continued treatment beyond 18 months, with 78.4% still receiving it at 18 months, 71.7% at 20 months, and 67.3% at 24 months. flag The findings, based on claims data from January 2023 to November 2025, align with clinical trial results and indicate sustained use despite challenges like MRI monitoring and side effects. flag Lecanemab, approved in 53 countries, targets amyloid-beta protofibrils and is under review for a subcutaneous autoinjector version in the U.S., with a decision expected by May 24, 2026.

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