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  • Title: Multicenter evaluation of dual-therapy (omeprazol and amoxycillin) for Helicobacter pylori-associated duodenal and gastric ulcer (two years of the observation).
    Author: Gabryelewicz A, Laszewicz W, Dzieniszewski J, Ciok J, Marlicz K, Bielecki D, Popiela T, Legutko J, Knapik Z, Poniewierka E.
    Journal: J Physiol Pharmacol; 1997 Sep; 48 Suppl 4():93-105. PubMed ID: 9440060.
    Abstract:
    Treatment with the proton pump inhibitor (omeprazole) and single antibiotic (amoxycillin), two synergistic compounds, can cure Helicobacter pylori (H. pylori) infection, but this therapy is not as effective as had been expected. However, some studies show promising results. The aim of our study was to evaluate the effect of two weeks dual-therapy with omeprazole (O) and amoxycillin (A) on gastric (GU) and duodenal ulcer (DU) patients: ulcer healing, eradication of the H. pylori and recurrence rate of the ulcer. We studied 216 patients (aged 18-70) endoscopically proven GU (58 patients) and DU (158 patients). Rapid urease test from the two antrum biopses and two antral and two corporeal biopses using Giemsa stain method for confirmation of the H. pylori infection were used. The patients were treated with omeprazole 20 mg BID and amoxycillin 1.0 g BID for 2 weeks and investigated every 4 months during 2 years. Clearance effect of Hp infection was achieved in 65.1% GU and 66.4% DU patients. Eradication ("check point" after 4 months) in 43% DU and 56.6% GU patients was confirmed. Reinfection rate was found in 16% during 2 years. We conclude--dual-therapy (O and A) is not sufficiently effective to be recommended as an anti-H. pylori treatment. H. pylori eradication prevents recurrence of peptic ulcer and is an important issue in attempts to achieve permanent ulcer healing.
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