SynthesisFrontiers in immunology2025
Effects of exercise on angiogenesis biomarkers in cancer patients: a systematic review and meta-analysis.
Synthesis in Frontiers in immunology, 2025. 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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7 authors.
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Abstract
Objective: Angiogenesis plays a central role in tumor growth, progression, and treatment response. The primary aim of this systematic review and meta-analysis was to determine the effects of regular exercise on angiogenesis biomarkers in patients with cancer. Methods: Randomized controlled trials (RCTs) were searched across five databases up to July 2025. Eligible studies included adults with cancer (≥18 years), exercise interventions lasting more than four weeks, and at least one reported angiogenesis biomarker. The Cochrane risk of bias tool was used to assess RCT quality, and the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach was applied to evaluate evidence certainty. Meta-analysis and meta-regression were performed using robust variance estimation. Results: Thirteen RCTs were included. Pooled estimates suggested a small, nonsignificant difference in circulating VEGF favoring exercise (d = -0.14, p = 0.36). Similarly small, nonsignificant differences were observed for VCAM-1 (d = 0.24, p = 0.15) and MCP-1 (d = -0.20, p = 0.36). Conclusion: Regular exercise was associated with only small and nonsignificant changes in angiogenesis biomarkers in patients with cancer. Although these preliminary patterns suggest potential interactions with angiogenic and immune pathways, the low certainty of evidence limits firm conclusions. Future randomized controlled trials are needed to confirm these effects and clarify how exercise prescriptions at different treatment stages influence angiogenesis. Systematic review registration: https://www.crd.york.ac.uk/PROSPERO/, identifier CRD420251088092.
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