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The Efficacy of Sequential Therapy as Second Line Therapy for Refractory Helicobacter Pylori Infection - A Pilot Study

H. Pylori Infection Clinical Trial

Official title:
The Efficacy of Sequential Therapy as Second Line Therapy for Refractory Helicobacter Pylori Infection - A Pilot Study

Clinical Trial Summary

Helicobacter pylori infection has been shown to be associated with the development of gastric cancer and peptic ulcer diseases. Eradication of H. pylori infection could reduce the occurence or recurrence of these diseases. However, it was estimated that 15-20% of patients would fail from first line standard eradication therapy and need second line rescue therapy. About 15-30% of patient would fail from second line therapy and need to be rescued with third line therapy. The commonly used salvage regimens include:

1. Bismuth based quadruple therapy (combined with ranitidine or proton-pump inhibitor (PPI) plus two antibiotics)

2. Levofloxacin or moxifloxacin or rifabutin based triple therapy.

However, Bismuth is not available in many countries and the administration method is complex. Its usage is limited by the high pill number and low compliance rate. In recent years, the concept of sequential therapy has been advocated in the treatment of H. pylori infection. The regimen includes a PPI plus amoxicillin for five days, followed by a PPI plus clarithromycin and metronidazole for another five days. The eradication rate in the first line treatment of sequential therapy had been reported to be as high as 90%. More importantly, it has been demonstrated that the eradication rate among patients with clarithromycin-resistant strains could be as high as 89%.

Aims: Therefore, the investigators aim to assess the efficacy of levofloxacin-based sequential therapy as second line therapy for those who fail from one standard eradication therapy.

Clinical Trial Description

n/a

Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00885417
Study type Interventional
Source National Taiwan University Hospital
Contact
Status Completed
Phase Phase 4
Start date April 2009
Completion date December 2010
View Details
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