The Concert Study is a
Phase 3 clinical research study of 1050 patients to test the effects of Dimebon in patients with Alzheimer's disease who are currently taking Aricept
® (also known as donepezil HCl tablets). The purpose of the Concert Study is to determine whether Dimebon combined with Aricept safely improves cognition (thinking and awareness), memory, daily functioning, behavior, and the ability to care for oneself.