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J Korean Geriatr Psychiatry.  2025 Oct;29(2):84-88. 10.47825/jkgp.2025.29.2.84.

Case Report on Clinical Features Within Six Months of Lecanemab Use

Affiliations
  • 1Department of Neuropsychiatry, College of Medicine, Chosun University, Gwangju, Korea
  • 2Department of Psychiatry, Chosun University Hospital, Gwangju, Korea

Abstract

Lecanemab is a humanized monoclonal antibody that binds with high affinity to soluble amyloid-beta protofibrils and was ap- proved by the FDA on July 6, 2023. This case report describes the clinical setting for lecanemab administration, as well as the clinical course and adverse events following six months of treatment in four patients with Alzheimer’s disease dementia. These findings may serve as foundational information for future clinical practice and research involving monoclonal antibody therapies for Alzheimer’s disease.

Keyword

Lecanemab; Clinical; Alzheimer’s disease; Dementia
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