Five-Year Effects of Rivastigmine on Cognitive Performance
Author: Mary Sano, MD, Professor of Medicine, Mount Sinai School of Medicine, New York, New York
Alzheimer’s disease (AD) is characterized by a relentless decline in cognitive performance and in the ability to perform normal daily tasks. Untreated or placebo-treated patients with AD show an average annual deterioration of about three points on the Mini-Mental State Examination (MMSE) or, depending on baseline levels, five to seven points on the Cognitive sub-scale of the Alzheimer’s Disease Assessment Scale-Cognitive Subscale (ADAS-Cog). Short-term symptomatic treatments, such as cholinesterase inhibitors, are available for mild-to-moderate AD, but achieving further delay in cognitive decline or slowing long-term deterioration of symptoms would be clinically meaningful.
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