Pharmacological Treatment of Dementia: A Scoping Review of Systematic Reviews

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Abstract
Background: Until now, multiple reviews on the pharmacological treatment of dementia have been published. Methods: We performed a scoping review to summarize research findings and to identify gaps in the existing literature. We searched the literature and assessed the risk of bias of the included reviews. A team of clinical experts assessed the fields in which more research is necessary. Fifty-five reviews with a low risk of bias were included, most of them concerning the treatment of cognitive decline (n = 16) and behavioral symptoms (n = 10) in Alzheimer's disease (AD). For cognitive impairment, cholinesterase inhibitors (n = 13) and memantine (n = 7) were described most frequently. Little information was found about the treatment of depression in dementia. Conclusions: For many current treatments, there is sufficient evidence. New research should focus on the symptomatic treatment of the earliest and most salient complaints in AD as well as on disease-modifying interventions acting at the level of the amyloid cascade.

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