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Article Abstract
Background: The effectiveness and safety of polyphenols in treating ulcerative colitis remain controversial. This study aimed to evaluate the efficacy and safety of polyphenols in the treatment of ulcerative colitis.
Methods: This study followed the preferred reporting items for systematic reviews and meta-analyses 2020 guidelines. A systematic search was conducted across PubMed, Embase, Web of Science, and Cochrane databases to identify relevant articles. The random-effects model was employed to calculate the odds ratio (OR) and corresponding 95% confidence intervals (CIs).
Results: A total of 13 trials involving 742 participants were included in the meta-analysis. The clinical remission rates were higher in the polyphenol group compared to the control group, as demonstrated by both the intention-to-treat (ITT) (OR: 4.71; 95% CI: 2.02-10.99; P = .000) and per-protocol (PP) analysis (OR: 7.14; 95% CI: 3.11-16.39; P = .000). Similarly, the clinical response rate was higher in the polyphenol group compared to the control group, according to the ITT (OR: 5.40; 95% CI: 2.60-11.24; P = .000) and PP analysis (OR: 9.14; 95% CI: 4.25-19.64; P = .000). Moreover, the total endoscopic remission rate was superior in the polyphenol group, as indicated by the ITT (OR: 3.16; 95% CI: 1.20-8.37; P = .020) and PP analysis (OR: 4.92; 95% CI: 2.03-11.93; P = .000). No significant differences were observed regarding side effects between the 2 groups, according to the ITT (OR: 0.99; 95% CI: 0.56-1.76; P = .973) and PP analysis (OR: 0.99; 95% CI: 0.54-1.80; P = .971).
Conclusion: Polyphenols demonstrated effectiveness in inducing clinical remission, clinical response, and endoscopic remission in patients with ulcerative colitis. Furthermore, there was no evidence of a higher incidence of adverse effects associated with their use.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12114046 | PMC |
| http://dx.doi.org/10.1097/MD.0000000000041985 | DOI Listing |
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