
Groundbreaking Alzheimer’s Research: Four-Year Lecanemab Data to be Presented at AAIC 2025
NEW YORK, July 22, 2025 – In a significant development for the Alzheimer’s disease community, Eisai Inc., the U.S. subsidiary of Eisai Co., Ltd., a patient-centric global pharmaceutical company, has announced that pivotal four-year efficacy and safety data for lecanemab (LEQEMBI®) will be presented at the Alzheimer’s Association International Conference® (AAIC) 2025. This presentation marks a crucial milestone, offering an extended look at the long-term impact of this groundbreaking treatment.
The comprehensive data, derived from the ongoing clinical trial program for lecanemab, is expected to provide valuable insights into the sustained benefits and safety profile of the therapy in individuals living with early Alzheimer’s disease. The AAIC, widely recognized as the world’s premier forum for Alzheimer’s research, provides a vital platform for sharing cutting-edge scientific discoveries and fostering collaborative efforts to combat this devastating neurodegenerative condition.
Lecanemab, an amyloid-beta (Aβ) directed antibody, has been a beacon of hope since its approval, demonstrating the ability to reduce amyloid plaque accumulation in the brain, a key hallmark of Alzheimer’s disease. The upcoming presentation at AAIC 2025 will offer an unprecedented opportunity to evaluate the therapy’s performance over a four-year period, a timeframe that could significantly influence clinical practice and future research directions.
Eisai’s commitment to advancing Alzheimer’s research is evident in its dedication to generating and sharing robust long-term data. The presentation of these four-year findings underscores the company’s ongoing efforts to understand and address the complexities of Alzheimer’s disease, with the ultimate goal of improving the lives of patients and their families.
The Alzheimer’s Association looks forward to hosting these important discussions at AAIC 2025, which will convene leading researchers, clinicians, and stakeholders from around the globe. The comprehensive evaluation of lecanemab’s long-term efficacy and safety profile promises to be a highlight of the conference, offering valuable perspectives on the evolving landscape of Alzheimer’s treatment.
Further details regarding the specific presentation time and abstract will be made available closer to the AAIC 2025 event. The Alzheimer’s community will be eagerly awaiting these critical findings as they contribute to the collective understanding and fight against Alzheimer’s disease.
Lecanemab four-year efficacy and safety data to be presented at AAIC 2025
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