Now that Eisai and Biogen’s Leqembi (lecanemab) has gained full US approval and Lilly’s donanemab is not far behind, other companies are looking to develop safer and more effective rivals in the same amyloid-beta targeting class.
One of the most fancied pre-market companies is Acumen Pharmaceuticals, led by a group of ex-Lilly executives. Its antibody candidate, ACU193, targets amyloid-beta oligomers, believed to be the most toxic form of the protein, an approach it hopes can take safety and efficacy to the next level