PMID: 9527978Apr 7, 1998Paper

new one-week triple therapies with metronidazole for the eradication of Helicobacter pylori: clarithromycin or amoxycillin as the second antibiotic

Medicina clínica
J P GisbertA García Plaza

Abstract

To compare the efficacy of two "new" one-week triple therapies (with omeprazole, metronidazole and clarithromycin or amoxycillin) for the eradication of Helicobacter pylori and healing duodenal ulcer. Randomised therapeutic trial. Eighty-eight consecutive duodenal ulcer patients with H. pylori infection were studied. At endoscopy, biopsies from both gastric antrum and body were obtained for histologic study (H&E). Two different therapies were administered for one week: omeprazole (O) (20 mg b.i.d.) and metronidazole (M) (500 mg b.i.d.) associated with clarithromycin (C) (500 mg b.i.d.) (group OMC, n = 44) or amoxycillin (A) (1 g b.i.d.) (group OMA, n = 44). Endoscopy with biopsies was repeated one month after completing therapy, and a 13C-urea breath test was also performed. Compliance was evaluated by tablet count. Analysis of data: multiple logistic regression, intention-to-treat. Eradication was defined as the absence of H. pylori by all diagnostic methods. Mean age (standard deviation) was 45(14) years, 75% males. Distribution of variables was similar in both therapeutic groups. Forty-two patients in each group completed the protocol. Eradication was achieved in 90.5% (95% CI = 78-96%) in group OMC and in 57% (42-71%) in gr...Continue Reading

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