Overview A Safety and Efficacy Study Evaluating Dimebon (Latrepirdine) in Patients With Moderate to Severe Alzheimer's Disease Status: Terminated Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary The purpose of this study is to determine if Dimebon is safe and effective in patients with moderate to severe Alzheimer's disease. Phase: Phase 3 Details Lead Sponsor: Medivation, Inc.Collaborator: Pfizer