Real-World LEQEMBI Data Shows Patients Choose to Stay on Long-Term Treatment
TOKYO and CAMBRIDGE, Mass., March 20, 2026 /PRNewswire/ -- Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, "Eisai") and Biogen Inc. (Nasdaq: BIIB, Corporate headquarters: Cambridge, Massachusetts, CEO: Christopher A. Viehbacher, "Biogen") announced today that new real‑world findings from an analysis of long‑term treatment persistence and baseline characteristics among people receiving intravenous (IV) lecanemab