Comparison of two lansoprazole–antibiotic combinations (amoxycillin or classical triple therapy) for treatment of H. pylori infection in duodenal ulcer patients |
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Authors: | F PARENTE G MACONI S BARGIGGIA E COLOMBO G BIANCHI PORRO & |
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Institution: | Department of Gastroenterology, L. Sacco University Hospital, Milan, Italy; Gastrointestinal Unit, Garbagnate Hospital, Milan, Italy |
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Abstract: | Aim: To compare the eradicating capacity of two different antibiotic–lansoprazole combinations (amoxycillin vs. standard triple therapy) with that of lansoprazole alone in Helicobacter pylori- positive duodenal ulcer patients. Methods: Ninety-six out-patients with H. pylori- positive duodenal ulcer were randomly assigned to receive one of the following three antiulcer regimens: (1) lansoprazole 30 mg b.d. for 4 weeks plus amoxycillin 1 g t.d.s. during the last 2 weeks; or (2) lansoprazole 30 mg once daily for 4 weeks plus classical triple therapy (tripotassium dicitratobismuthate 240 mg b.d., amoxycillin 1 g t.d.s. and tinidazole 500 mg b.d.) for the last 2 weeks; or (3) lansoprazole 30 mg once daily for 4 weeks. Endoscopy was repeated at the end of treatment and 1 month later. A rapid urease test and histology were used to determine H. pylori status. Results: Duodenal ulcer healing rates at 4 weeks were 96% after both lansoprazole with amoxycillin, and lansoprazole with triple therapy, and 97% after lansoprazole alone. Eradication of H. pylori was significantly better with lansoprazole with triple therapy than with either lansoprazole with amoxycillin or lansoprazole alone (90% vs. 55% vs. 3%, respectively). Conclusion: Classical triple therapy combined with lansoprazole is significantly more effective than the lansoprazole with amoxycillin combination for the eradication of H. pylori in duodenal ulcer patients pre-treated with lansoprazole. |
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