Effect of Saccharomyces boulardii supplementation to bismuth quadruple therapy on Helicobacter pylori eradication
Abstract
Background: Helicobacter pylori (H. pylori) infection is a common chronic infection, and there are over half of the global population infected with H. pylori. It is still controversial whether the supplementation of Saccharomyces boulardii (S. boulardii) to bismuth quadruple therapy is beneficial for H. pylori eradication.
Aim: To determine the effects of S. boulardii supplementation to bismuth quadruple therapy on H. pylori eradication.
Methods: We performed a systematic literature search across PubMed, Embase, Web of Science, and China National Knowledge Infrastructure for articles published up to October 2023. We calculated the pooled relative risk (RR) with the 95% confidence interval (CI). Statistical analyses were conducted using Stata/SE 15.1 software.
Results: Ten randomized controlled trials were included. Notably, S. boulardii supplementation to bismuth quadruple therapy significantly improved H. pylori eradication rates (RR = 1.08, 95% CI: 1.04-1.12) and reduced the incidence of total adverse effects (RR = 0.53, 95% CI: 0.45-0.62). Specifically, it reduced the incidence of some gastrointestinal adverse effects and nonspecific adverse effects, including diarrhea (RR = 0.28, 95% CI: 0.22-0.36), constipation (RR = 0.32, 95% CI: 0.18-0.55), abdominal distention (RR = 0.39, 95% CI: 0.26-0.59), nausea (RR = 0.59, 95% CI: 0.36-0.97), and rash (RR = 0.49, 95% CI: 0.28-0.86). In the subgroup analysis, long-term eradication duration (> 10 days; RR = 1.08, 95% CI: 1.04-1.13)…
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