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[Modified combined omeprazole/amoxicillin therapy for Helicobacter pylori eradication: a pilot study].

Patients with H.pylori positive peptic ulcer disease were treated with a two weeks regimen consisting of 20 mg omeprazole twice daily and 500 mg amoxicillin six times daily. Subsequently, an H2-receptor antagonist was started (300 mg ranitidine) at night time for four weeks. Before and one month after completion of antibiotic therapy an upper GI-tract endoscopy was performed for determination of H.pylori infection [biopsy urease test (BUT), specific culture and histologic demonstration]. A total of 12 patients completed the study protocol. H.pylori eradication, defined as a negative result in BUT, culture and histology) four weeks after completion of the combined omeprazole/amoxicillin treatment regimen was achieved in 91.6% (11 of 12 patients). Complete ulcer healing was confirmed in all patients. A stomatitis was observed in one female patient as a possible side effect of antibiotic treatment, but this did not necessitate discontinuation of therapy. Only complicated drug regimen with many side effects have been available so far for successful eradication of H.pylori. Thus, the present drug combination might prove as an effective therapeutic option in the future. These data, however, await confirmation in larger study population.