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    Efficacy of a Modified Sequential Therapy Including Bismuth Subcitrate as First-Line Therapy to Eradicate Helicobacter pylori in a Turkish Population
    (WILEY-BLACKWELL, 2012) Uygun, Ahmet; Ozel, A. Melih; Sivri, Bulent; Polat, Zulfikar; Genc, Halil; Sakin, Yusuf Serdar; Celebi, Gurkan; Uygur-Bayramicli, Oya; Ercin, Cemal Nuri; Kadayifci, Abdurrahman; Emer, Ozdes; Gunal, Armagan; Bagci, Sait
    Background Eradication rates of Helicobacter pylori with standard triple therapy are not satisfactory. Sequential therapy is an alternative method to overcome this problem. Objectives The aim of this study was to assess efficacy of a modified sequential therapy with the addition of a bismuth preparation, as first-line treatment in the eradication of H. pylori infection. Materials and Methods One hundred and forty-two H. pylori-positive patients were included in the study. Patients were given a 14-day sequential therapy program consisting of pantoprazole, 40 mg (b.i.d. for 14 days); colloidal bismuth subcitrate, 300 mg 4 (two tablets before breakfast and dinner, for 14 days); amoxicillin, 1 g (b.i.d.for the first 7 days); tetracycline, 500 mg (q.i.d. for the second 7 days); and metronidazole, 500 mg (t.i.d. for the second 7 days). Eradication was tested by urea breath test (UBT) 6 weeks after completion of treatment. Results Of the 142 patients included, 131 completed the study. Per-protocol and intention-to-treat analyses revealed high eradication rates in this group (92.095% CI, 87.296.8%, and 81.095% CI, 74.587.4%, respectively). There was no relation to sex and age with this modified sequential therapy. Compliance was satisfactory (11 patients four women and seven men were unavailable for follow-up), and side effects were minimal (six patients had to stop treatment metronidazole-related facial swelling and numbness on the face and hands in two patients; tetracycline-related fever and epigastric pain and nausea and vomiting in two patients; and amoxicillin-related diarrhea and vaginal discharge in two patients). These side effects were reversible and resolved after the cessation of the related medication. Conclusions This 14-day modified sequential treatment, including bismuth, achieves a significantly high eradication rates in patients with H. pylori infection, with five satisfactory patient compliance and minor side effects.