Safety and Effectiveness of Donepezil on Behavioral Symptoms in Patients With Alzheimer Disease

The objective of this study was to evaluate the prevalence and treatment responsiveness of neuropsychiatric symptoms in patients with mild to moderately severe Alzheimer disease recruited in a naturalistic treatment setting in Spain. All the patients, who matched the prescribing recommendations for donepezil and were able to participate in the study, received donepezil (5 to 10 mg/d) for 6 months. The primary outcome measure was the incidence of adverse events. Secondary outcome measures were neuropsychiatric function measured by the Neuropsychiatric Inventory (NPI), the Mini-Mental State Evaluation, and caregiver burden measured by the Zarit scale. Five hundred and twenty-nine patients were included of which 455 completed the study. The mean baseline NPI score was 19.1. Sixty-five patients (12.3%) experienced an adverse event. The most frequent adverse events were diarrhea and…

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