European drug regulators on Friday rejected the Alzheimer's treatment Leqembi from Biogen and Eisai, creating another hurdle for the companies as they scramble to boost uptake of the therapy in the U.S. The European Commission, the EU's executive body, has a final say in Leqembi's approval. But it almost always follows the drug regulator's recommendations. In a statement, Eisai said it is "extremely disappointed" by the regulator's negative recommendation. The company added that it will seek a re-examinatio ...