Eisai and Biogen Inc. Announce U.S. FDA Grants Breakthough Therapy Designation for Lecanemab (BAN2401)

TOKYO, June 24, 2021 - (JCN Newswire) - Eisai Co., Ltd. and Biogen Inc. today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthough Therapy designation for lecanemab (BAN2401), an investigational anti-amyloid beta (Abeta) protofibril antibody for the treatment of Alzheimer's disease (AD).