TOKYO and CAMBRIDGE, MA, August 30, 2025 – (JCN Newswire via SeaPRwire.com) – Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, “Eisai”) and Biogen Inc. (Nasdaq: BIIB, Headquarters: Cambridge, Massachusetts, CEO: Christopher A. Viehbacher, “Biogen”) announced today that the U.S. Food and Drug Administration (FDA) has approved the Biologics License Application (BLA) for once weekly […]