• Cheng-Fang Hsieh, Ping-Tao Tseng, Tien-Yu Chen, Pao-Yen Lin, Yen-Wen Chen, Bo-Lin HoDepartment of Neurology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan., Chung-Yao Hsu, and Ching-Kuan Liu.
• Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Division of Geriatrics and Gerontology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
• J Formos Med Assoc. 2022 Aug 1; 121 (8): 1466-1477.

BackgroundDonepezil had been recognized to have impact on sleep quality in demented patients. However, there was insufficient evidences about the actual effect of donepezil in the sleep architectures. Our meta-analysis aimed to evaluate the changes of sleep architectures related to donepezil use.MethodsFollowed the PRISMA2020 and AMSTAR2 guidelines, electronic search had been performed on the databases of PubMed, Embase, ScienceDirect, ClinicalKey, Cochrane CENTRAL, ProQuest, Web of Science, and ClinicalTrials.gov. The outcome measurement was changes of sleep parameters detected by polysomnography. A random-effects meta-analysis was conducted.ResultsTotal twelve studies had been involved. The percentage of REM sleep would significantly increase after donepezil treatment (Hedges' g = 0.694, p < 0.001). Compared to placebo/controls, subjects with donepezil would had significantly increased percentage of REM sleep stage (Hedges' g = 0.556, p = 0.018). Furthermore, donepezil was also associated with the decreased stage 2 sleep percentage, sleep efficiency, or total sleep time in different analysis conditions.ConclusionOur meta-analysis provided detailed changes of sleep architectures related to donepezil treatment. Further larger sample size studies with stricter control of potential moderators are needed to clarify these issues.Copyright © 2021. Published by Elsevier B.V.

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