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Background: Several studies have reported that the application of ecabet sodium during the eradication of Helicobacter pylori can improve the eradication rate and reduce therapy-associated side effects. However, the efficacy and safety of this therapy are controversial. Objectives: To determine whether ecabet sodium improves the eradication rate of H. pylori and examine treatment safety by conducting a meta-analysis based on randomized controlled trials (RCTs). Methods: Literature searches were conducted in the following databases: PubMed, Embase, the Cochrane Library, the Science Citation Index, the China National Knowledge Infrastructure Database, and the Wanfang Database. A meta-analysis of all RCTs comparing ecabet sodium supplementation with nonecabet sodium-containing therapy was performed. Results: Thirteen RCTs that included a total of 1808 patients were assessed. The meta-analysis showed that the eradication rate in the ecabet sodiumcontaining quadruple therapy group was higher than that in the standard triple therapy group (84.5% vs 74.55%, OR 1.757 (95%CI: 1.307 to 2.362), p < .001). The analysis also showed that the eradication rate in the ecabet sodium-containing triple therapy group was significantly higher than that in the PPI plus amoxicillin or clarithromycin therapy group (74.6% vs 43.9%, OR 3.727 (95%CI: 2.320 to 5.988), p < .001)(ITT), (74.6% vs 43.9%,OR 3.863 (95%CI: 2.369 to 6.298), p < .001) (PP). Furthermore, our metaanalysis suggested that the occurrence of side effects did not significantly differ between patients receiving ecabet sodium-containing therapy and patients receiving nonecabet sodium-containing therapy (14.0% vs 13.3%, OR 1.055 (95%CI: 0.632 to 1.759), p = .839). Conclusion: Supplementation with ecabet sodium during H. pylori eradication therapy improves the eradication rate. The use of ecabet sodium does not increase the side effects based on our meta-analysis. [ABSTRACT FROM AUTHOR]