News When will lecanemab be available? Eisai and Biogen Alzheimer’s drug awaits FDA approval June 20, 2023Ken Alltucker, USA TODAYComments Off on When will lecanemab be available? Eisai and Biogen Alzheimer’s drug awaits FDA approval The FDA must decide by July 6 whether to approve Leqembi, the first amyloid-busting drug up for full approval. Advocates and scientists are watching.