ArticleBMJ open2026
Comparative effectiveness of weight loss interventions on blood pressure in obese patients with hypertension: a protocol for a systematic review and network meta-analysis.
Article in BMJ open, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
introductionHigh blood pressure (BP) in obese populations poses significant cardiovascular risks, yet the comparative effectiveness of various weight loss interventions on BP remains unclear. This systematic review and network meta-analysis (NMA) aims to assess the comparative effectiveness of weight loss interventions in overweight/obese adults with prehypertension/hypertension on BP change and adverse events (AEs). METHODS AND ANALYSIS: A systematic review and Bayesian NMA of randomised controlled trials of weight loss interventions in overweight/obese patients with prehypertension/hypertension will be conducted. PubMed, EMBASE and the Cochrane library (CENTRAL) and relevant references will be searched up to June 2025. Primary outcomes are changes in systolic and diastolic BP; secondary outcomes include AEs, body weight reduction (kg) and quality of life. Study selection, data extraction and methodological quality assessment using Cochrane risk of bias (RoB) 2.0 will be performed by independent two authors. A Bayesian NMA will be conducted using BUGSnet, with surface under the cumulative ranking curve to rank interventions. Subgroup analyses will explore heterogeneity by baseline BP severity, intervention duration and comorbidities, and sensitivity analyses will be performed for robustness of the results by RoB and sample size. ETHICS AND DISSEMINATION: Ethical approval is not required for this systematic review as it will involve analysis of data only from previously published studies. The results will be disseminated through presentations at international conferences and publication in peer-reviewed journals. PROSPERO REGISTRATION NUMBER: CRD42022376688.
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