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Donepezil in Parkinson’s disease dementia: a randomized, double-blind efficacy and safety study

Parkinson’s disease dementia (PDD) is associated with cholinergic deficits. This report presents an efficacy and safety study of the acetylcholinesterase inhibitor donepezil hydrochloride in PDD. PDD patients (n = 550) were randomized to donepezil (5 or 10 mg) or placebo for 24 weeks. Coprimary end points were the Alzheimer’s Disease Assessment Scale-cognitive subscale (ADAS-cog) and […]

Safety and tolerability of donepezil 23 mg in moderate to severe Alzheimer’s disease

Background: Donepezil 23 mg/d, recently approved in the United States for treatment of moderate to severe Alzheimer’s disease (AD), was developed to address the need for an additional treatment option for patients with advanced AD. This report, based on a pivotal phase 3 study, presents a detailed analysis of the safety and tolerability of increasing […]

Effectiveness and tolerability of high-dose (23 mg/d) versus standard-dose (10 mg/d) donepezil in moderate to severe Alzheimer’s disease: A 24-week, randomized, double-blind study

Background: Currently approved Alzheimer’s disease (AD) treatments have been reported to provide symptomatic benefit, without proven impact on clinical progression. We hypothesized that the loss of initial therapeutic benefit over time may be mitigated by higher doses of a cholinesterase inhibitor.; Objective: The aim of this study was to determine the effectiveness and tolerability of […]