• Xiaoyan Deng and Daishun Li.
• Department of Rehabilitation Medicine, Chengdu Tianhui Community Health Service Center, Sichuan, China.
• Medicine (Baltimore). 2024 Sep 20; 103 (38): e39753e39753.

BackgroundTo analyze and compare the pharmacological treatments for Alzheimer disease (AD), we will conduct a systematic review and network meta-analysis focusing on their efficacy and safety over a duration exceeding 1 year.MethodsWe searched the databases of PubMed, Scopus, EMBASE, Web of Science, the Cochrane Central Register of Controlled Trials, and CNKI until July 30, 2023, for randomized controlled trials (RCTs) evaluating pharmacological treatments for AD.ResultsSeventeen RCTs, comprising 7214 participants, investigated the efficacy of the following drugs: Donepezil, Rivastigmine, Galantamine, Memantine, Ginkgo biloba extract (EGb), Atorvastatin-calcium and Vitamin B in the treatment of AD. The network meta-analysis resulted indicated that placebo demonstrated greater effectiveness compared to Atorvastatin-calcium 80 mg (mean different [MD] = -6.93, confidence interval [CI] -11.57, -2.29) and Rivastigmine 12 mg (MD = -3.33, CI -6.56, -0.09). EGb120 mg exhibited a greater improvement in cognition compared to Atorvastatin-calcium 80 mg (MD = 7.77, CI 2.07, 13.46) and Rivastigmine 12 mg + EGb120 mg (MD = 9.92, CI 1.32, 17.22). EGb 120 mg emerged as the most efficient intervention for cognition, while placebo demonstrated the least harm over a period exceeding 1 year.ConclusionsIn this network meta-analysis of studies of patients with AD and a follow-up period of at least 1 year, EGb 120 mg demonstrated cognitive benefits, while placebo posed the least harm for AD. More RCTs are required to address the uncertainty surrounding the efficacy of medication.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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