News Esai and Biogen, Leqembi manufacturer, receive FDA approval for Alzheimer’s drug July 6, 2023 Ken Alltucker, USA TODAY Comments Off on Esai and Biogen, Leqembi manufacturer, receive FDA approval for Alzheimer’s drug Eisai and Biogen's drug, sold under the brand name Leqembi, is the first amyloid-targeting medication to pass the FDA's full review.