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  • Title: Efficacy of four different moxifloxacin-based triple therapies for first-line H. pylori treatment.
    Author: Sacco F, Spezzaferro M, Amitrano M, Grossi L, Manzoli L, Marzio L.
    Journal: Dig Liver Dis; 2010 Feb; 42(2):110-4. PubMed ID: 19846355.
    Abstract:
    UNLABELLED: Moxifloxacin has been used in the first-line treatment of Helicobacter pylori infection. The optimal dosage and duration have not been assessed. AIM: To evaluate the effectiveness of moxifloxacin, amoxicillin and esomeprazole in four regimens, in previously untreated patients infected by H. pylori. METHODS AND PATIENTS: Patients were randomly assigned to: esomeprazole 20 mg b.i.d., amoxicillin 1g b.i.d., and one of each of the four following dosages of moxifloxacin: moxifloxacin 400 mg b.i.d. for 10 days (EAM800x10), moxifloxacin 400 mg b.i.d. for 7 days (EAM800x7), moxifloxacin 400 mg b.i.d. for 5 days (EAM800x5), moxifloxacin 400 mg o.i.d. for 10 days (EAM400x10). Eradication was assessed by the Urea Breath Test (UBT) 2 months following the end of therapy. RESULTS: Ninety-four, 102, 92 and 105 patients were recruited in EAM800x10, EAM800x7, EAM800x5, and EAM400x10 respectively. The eradication rate was for Intention-To-Treat (ITT) and Per Protocol (PP) analyses: EAM800x10 group ITT: 90.4%, PP: 94.4%; EAM800x7 group ITT: 80.3%, PP: 86.3%; EAM800x5 group ITT: 71.4%, PP: 75.2%; EAM400x10 group ITT: 80.0%, PP 84.8%. A statistically significant difference was reached between EAM800x10 vs. EAM800x7 (ITT and PP: P<0.05), and between EAM800x10 vs. EAM800x5 (ITT and PP: P<0.01) and vs. EAM400x10 (ITT: P<0.05; PP: P<0.04). Thirty patients treated unsuccessfully with EAM800x5 and EAM400x10 were re-treated with EAM800x10 with an eradication rate of 86.7% (ITT) and 92.2% (PP). Nineteen patients with positive UBT after EAM800x10 and EAM800x7 underwent a second-line rifabutin-based therapy with an eradication rate of 84.2% (ITT and PP). CONCLUSION: A triple therapy with 800 mg of moxifloxacin a day for 10 days is more effective than the same treatment for 5 or 7 days and a treatment with 400mg of moxifloxacin a day for 10 days for the first-line eradication of H. pylori infection. The high cost of moxifloxacin-based treatment however, may limit its wide use as first-line treatment of H. pylori infection.
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