Overview An Extension of the CONCERT Protocol (DIM18) Status: Terminated Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary An open-label extension study of the CONCERT (DIM18) protocol evaluating the safety of dimebon (latrepirdine) in subjects with With Mild-to-Moderate Alzheimer's Disease on Donepezil. Phase: Phase 3 Details Lead Sponsor: Medivation, Inc.Collaborator: Pfizer