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Drugs for Alzheimer’s Disease: Are They Effective?

David A. Casey, MD, Demetra Antimisiaris, PharmD, and James O’Brien, MD
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Five medications have been approved for use in patients with Alzheimer’s disease; nonetheless, there remains an urgent need for new and effective drugs. This article describes the role of these agents, with an emphasis on their efficacy, effectiveness, costs, and associated controversies.