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Internal Medicine
Vol. 54 (2015) No. 7 p. 703-710

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http://doi.org/10.2169/internalmedicine.54.3442

ORIGINAL ARTICLES

Objective To compare the efficacy of sequential therapy, concomitant therapy and hybrid therapy for the treatment of Helicobacter pylori (H. pylori) infection.
Methods PubMed, Web of Science, Medline, Embase, the Cochrane Central Register of Controlled Trials and CNKI were searched up to the end of May 10, 2014 in order to identify all randomized controlled trials (RCTs) reporting the effects of sequential therapy, concomitant therapy and hybrid therapy on H. pylori eradication. The relative risk (RR) of eradicating H. pylori infection after sequential therapy compared with concomitant therapy or hybrid therapy was pooled. The eradication rates were considered both on an intention-to-treat (ITT) and per-protocol (PP) basis.
Results A total of 10 RCTs involving 3,501 patients were included. The pooled data suggested that the differences between the three groups were not statistically significant (ITT analysis: sequential therapy vs. concomitant therapy: RR=1.01, 95%confidence interval (CI): 0.97-1.04, sequential therapy vs. hybrid therapy: RR=1.02, 95%CI: 0.85-1.22, concomitant therapy vs. hybrid therapy: RR=1.03, 95%CI: 0.97-1.08; PP analysis: sequential therapy vs. concomitant therapy: RR=1.00, 95%CI: 0.96-1.03, sequential therapy vs. hybrid therapy: RR=0.97, 95%CI: 0.86-1.09, concomitant therapy vs. hybrid therapy: RR=1.01, 95%CI: 0.93-1.10). In the ITT and PP analyses, the overall eradication rates were 84.3% (95%CI: 79.1-89.4) and 86.4% (95%CI: 81.7-91.0) for the sequential therapy group, 86.7% (95%CI: 81.0-92.3) and 89.8% (95%CI: 85.1-94.5) for the concomitant therapy group and 86.6% (95%CI: 82.3-91.0) and 92.7% (95%CI: 90.5-94.9) for the hybrid therapy group, respectively. There were no significant differences among these therapies in terms of the rate of side effects.
Conclusion The pooled evidence suggests that sequential therapy, concomitant therapy and hybrid therapy are similar with respect to the treatment of H. pylori infection.

Copyright © 2015 by The Japanese Society of Internal Medicine

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