ArticleThe journal of prevention of Alzheimer's disease2026
Comparative effects of some pharmacological and non-pharmacological interventions on cognitive function in Alzheimer's disease: A Bayesian network meta-analysis.
Article in The journal of prevention of Alzheimer's disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundGiven the growing global public health burden of Alzheimer's disease, this study used the Bayesian network meta-analysis to assess the effects of pharmacological and non-pharmacological interventions on cognitive function in the population with Alzheimer's disease.
methodsTwo investigators screened the literature from English databases (PubMed, MEDLINE, Embase, Cochrane CENTRAL, and Web of Science) and three major Chinese bibliographical databases (China National Knowledge Infrastructure Database, Wanfang Database, and VIP Database). We assessed the risk of bias and publication bias of the selected literature. Subsequently, a Bayesian network meta-analysis and meta-regression were conducted to further investigate the comparative efficacy of different interventions on cognitive outcomes.
resultsA total of 4788 cases were initially identified. Photobiomodulation [SMD=0.66, 95%CrI (0.29, 1.02)], enriching environment [SMD=0.69, 95%CrI (0.08, 1.31)], pharmacological therapy [SMD=0.36, 95%CrI (0.17, 0.55)], cognitive stimulation therapy [SMD=0.32, 95%CrI (0.11, 0.55)] and exercise therapy [SMD=0.28, 95%CrI (0.06, 0.51)] showed considerable enhancements in cognitive function among individuals with Alzheimer's disease. Photobiomodulation and enriching environment stood out, with their effects more potent than those of other therapies, as indicated by the surface under the cumulative ranking curve - photobiomodulation clocked in at 87.3%, while enriching environment scored 83.8%, versus pharmacological therapy's 54.7%.
conclusionsAmong the interventions evaluated, photobiomodulation and enriching environment were associated with better improvements in cognitive function than pharmacological therapy. Exercise therapy and cognitive stimulation therapy also demonstrated beneficial effects. Music therapy showed no statistical difference from the control group. In addition, the research developed an innovative approach to contrast pharmacological and non-pharmacological treatments for Alzheimer's disease. REGISTRATION: PROSPERO 2025 CRD420251075628. Available from https://www.crd.york.ac.uk/PROSPERO/view/CRD420251075628.
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