Overview Donepezil Hydrochloride (E2020) in Dementia Associated With Cerebrovascular Disease Status: Completed Trial end date: 2006-06-01 Target enrollment: Participant gender: Summary Twenty-four week, prospective, randomized, double-blind, placebo-controlled, parallel-group study. Phase: Phase 3 Details Lead Sponsor: Eisai Inc.Treatments: Donepezil