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- W2153754546 abstract "<h3>Objective</h3> <i>Helicobacter pylori</i> infection and overexpression of cyclo-oxygenase-2 (COX-2) are associated with gastric cancer and its precursors. To evaluate the effect of a selective COX-2 inhibitor alone and combined with <i>H pylori</i> eradication on the evolution of precancerous gastric lesions, a randomised, placebo-controlled trial was conducted in Linqu County, Shandong Province, China. <h3>Methods</h3> A total of 1024 participants aged 35–64 years with <i>H pylori</i> infection and advanced gastric lesions were randomly assigned in a factorial design to two interventions or placebo: anti-<i>H pylori</i> treatment for 7 days, and a COX-2 inhibitor (celecoxib) for 24 months. The effects of the interventions were evaluated by the regression or progression of advanced gastric lesions. <h3>Results</h3> Of the 1024 participants who received anti-<i>H pylori</i> treatment or placebo, 919 completed a subsequent 24-month treatment with celecoxib or placebo. The <i>H pylori</i> eradication rate by per-protocol analysis was 78.2%. Compared with placebo, the proportions of regression of gastric lesions significantly increased in the celecoxib treatment (52.8% vs 41.2%) and anti-<i>H pylori</i> treatment (59.3% vs 41.2%) group, and OR by per-protocol analysis was 1.72 (95% CI 1.07 to 2.76) for celecoxib and 2.19 (95% CI 1.32 to 3.64) for <i>H pylori</i> eradication. No statistically significant effect was found for <i>H pylori</i> eradication followed by celecoxib on the regression of advanced gastric lesions (OR 1.48, 95% CI 0.91 to 2.40). <h3>Conclusion</h3> This population-based intervention trial revealed that celecoxib treatment or <i>H pylori</i> eradication alone had beneficial effects on the regression of advanced gastric lesions. No favourable effects were seen for <i>H pylori</i> eradication followed by celecoxib treatment. <h3>Trial registration</h3> HARECCTR0500053 in accordance with WHO ICTRP requirements." @default.
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- W2153754546 date "2011-09-13" @default.
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- W2153754546 title "Effects of selective COX-2 inhibitor and<i>Helicobacter pylori</i>eradication on precancerous gastric lesions" @default.
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- W2153754546 doi "https://doi.org/10.1136/gutjnl-2011-300154" @default.
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