Eradication of Helicobacter pylori with triple therapy: an epidemiologic analysis of trends in Turkey over 10 years
Abstract
BACKGROUND: There is increasing concern about the efficacy of current regimens for the eradication of Helicobacter pylori.
OBJECTIVES: This study examined rates of H. pylori eradication with a commonly used triple-therapy regimen consisting of a proton pump inhibitor (PPI), clarithromycin, and amoxicillin in trials performed in Turkey from 1996 to 2005. It also investigated the relationship between eradication rates and the duration of treatment (7, 10, or 14 days), choice of PPI, and indication for treatment (dyspepsia or peptic ulcer).
METHODS: This was a retrospective epidemiologic analysis. Articles concerning H. pylori eradication in Turkey that were published in peer-reviewed national and international journals were identified through searches of MEDLINE using the terms Helicobacter, eradication, and Turkey, and of the Turkish Medical Index using the terms Helicobacter and eradication. Abstracts from the Turkish Gastroenterology Congress from 1996 through 2005 were searched manually. Open-label trials, controlled trials, treatment arms, and case series that included a triple-therapy regimen consisting of standard doses of any PPI (omeprazole 20 mg BID, lansoprazole 30 mg BID, pantoprazole 40 mg BID, or esomeprazole 40 mg BID) with clarithromycin 500 mg BID and amoxicillin 1 g BID for 7 to 14 days were selected for analysis. Trials including patients who had undergone a previous attempt at eradication of H. pylori were excluded.
RESULTS: Of 138 trials or treatment arms…
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