A meta‐analysis comparing eradication, healing and relapse rates in patients with <i>Helicobacter pylori</i>‐associated gastric or duodenal ulcer

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Abstract

<jats:sec><jats:title>Aim:</jats:title><jats:p>To compare the effectiveness of <jats:italic>Helicobacter pylori</jats:italic> eradication in curing peptic ulcer disease in trials involving both gastric ulcer and duodenal ulcer.</jats:p></jats:sec><jats:sec><jats:title>Methods:</jats:title><jats:p>Twenty‐four relevant randomized controlled trials and randomized comparative trials met the predefined selection criteria. Only proton pump inhibitor‐based eradication trials were considered for the evaluation of eradication efficacy and ulcer healing. For the determination of relapse rates, all trials independent of the eradication therapy regimen were considered.</jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p>Data from 2102 patients were analysed comparing gastric ulcer with duodenal ulcer. No statistical differences between gastric ulcer and duodenal ulcer patients were found with regard to eradication rates (summarized odds ratio, 1.23; 95% confidence interval, 0.98–1.55) or ulcer relapse rates, whether in successfully <jats:italic>H. pylori</jats:italic> eradicated patients (summarized odds ratio, 0.69; 95% confidence interval, 0.26–1.84) or unsuccessfully <jats:italic>H. pylori</jats:italic> eradicated patients (summarized odds ratio, 1.48; 95% confidence interval, 0.85–2.56). Owing to heterogeneity, healing rates were not comparable.</jats:p></jats:sec><jats:sec><jats:title>Conclusions:</jats:title><jats:p>The eradication of <jats:italic>H. pylori</jats:italic> infection cures both gastric and duodenal ulcer, and the cure rates are similar. This suggests that <jats:italic>H. pylori</jats:italic> is the key factor in peptic ulcer disease independent of the ulcer site.</jats:p></jats:sec>

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