• F Catalano, R Catanzaro, C Bentivegna, A Brogna, G Condorelli, and R Cipolla.
• Gastroenterology and Digestive Endoscopy Service, University of Catania, Italy.
• Aliment. Pharmacol. Ther. 1998 Jan 1; 12 (1): 59-62.

AimTo compare the efficacy and safety of triple therapy with omeprazole plus amoxycillin and clarithromycin vs. ranitidine bismuth citrate plus amoxycillin and clarithromycin in the treatment of Helicobacter pylori-associated duodenal ulcers.MethodsEighty-one patients with duodenal ulcers were randomized to the following treatments: 39 cases with amoxycillin 1 g b.d. and clarithromycin 500 mg b.d. for 1 week plus omeprazole 20 mg b.d. for 2 weeks (omeprazole + amoxycillin + clarithromycin (OAC)), and 42 cases to the same regimen of amoxycillin and clarithromycin for 7 days plus ranitidine bismuth citrate 400 mg b.d. for 2 weeks (ranitidine bismuth citrate + amoxycillin + clarithromycin (RbAC)). Upper gastrointestinal endoscopy was performed together with a rapid urease test and histological examination of antral and corpus biopsy samples prior to treatment and 4 weeks after the end of therapy.ResultsThirty-four patients in the OAC group and 38 in the RbAC group completed the treatment and 4-week follow-up. H. pylori was eradicated in 30 of 34 patients (88%) in the OAC group and in 32 of 38 patients (84%) in the RbAC group according to a per-protocol analysis (P = N.S.). Thirty-three (97%) patients treated with OAC and 36 (95%) treated with RbAC presented healed duodenal ulcers at 4 weeks (P = N.S.). On an intention-to-treat basis there was no difference in H. pylori eradication between the OAC (77%) and RbAC groups (76%); duodenal ulcer healing was achieved in 85 and 86% of patients in the OAC and RbAC groups, respectively (P = N.S.).ConclusionThe OAC and RbAC triple therapy regimens proved equally effective in both H. pylori eradication and in duodenal ulcer healing.

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