Eisai’s Alzheimer’s disease skin patch falls short of FDA approval
Japanese drug company Eisai‘s (TYO:4523) bid to extend the patent life of its blockbuster Alzheimer’s drug Aricept with a new skin patch formulation has been dealt a blow by the U.S. Food and Drug Administration. Eisai’s drug partner Teikoku Pharma has received a complete response letter from the FDA stating that the agency cannot approve […]