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As the antibiotic resistance increases, the eradication rate of triple therapy is decreasing. Recent guideline recommend the use of bismuth-containing quadruple therapy in areas where clarithromycin resistance is greater than 15%. However, the ideal treatment would be the tailored therapy which choose the antibiotics depending on the antibiotic resistance. This study compared the eradication rates, safety and complicance of tailored therapy compared with empirical bismuth quadruple therapy in the naive patients with H. pylori infection.
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In order to be eligible for first-line H. pylori eradication therapy, at least 80% of eradication rate should be achieved by intention to treat (ITT) analysis. However, the triple therapy (PPI, clarithromycin, amoxicillin) is losing 1st-line therapy because of increasing antibiotic resistance. The most common cause of failure in triple therapy is clarithromycin resistance.
In the past, clarithromycin resistance was rarely observed in Korea, but the resistance rate has increased rapidly during the last 10 years, up to 37.3%.
As an alternative, Korean guidelines of Helicobacter pylori eradication in 2013 recommend that bismuth-containing antibiotics (not containing clarithromycin) should be considered in areas with high clarithromycin resistance as in Korea. However, there is a lack of research on the efficacy of bismuth-containing quadruple therapy as a 1st-line therapy. The aim of this prospectivce randomized study is to investingate the efficacy, conpliance, adverse events and cost-effectiveness between bismuth containing quadruple therapy and tailored therapy in areas with high clarithromycin resistance
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300 participants in 2 patient groups
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Byoung Wook Bang, M.D. phD; Hyung Kil Kim, M.D. phD
Data sourced from clinicaltrials.gov
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