June 23, 2021 - … U.S. FDA Grants Breakthrough Therapy Designation for LECANEMAB (BAN2401), an Anti-Amyloid Beta Protofibril … U.S. FDA Grants Breakthrough Therapy Designation for LECANEMAB (BAN2401), an Anti-Amyloid Beta Protofibril … U.S. FDA Grants Breakthrough Therapy Designation for LECANEMAB (BAN2401), an Anti-Amyloid Beta Protofibril …