News FDA approves new drug lecanemab that appears to slow early, mild Alzheimer’s January 6, 2023 Ken Alltucker, USA TODAY Comments Off on FDA approves new drug lecanemab that appears to slow early, mild Alzheimer’s Federal drug regulators on Friday approvedĀ lecanemab, sold under the brand name Leqembi, an Alzheimer's drug that appears to slow the disease.