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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00885417
Other study ID # 200901041M
Secondary ID
Status Completed
Phase Phase 4
First received April 20, 2009
Last updated April 21, 2011
Start date April 2009
Est. completion date December 2010

Study information

Verified date March 2011
Source National Taiwan University Hospital
Contact n/a
Is FDA regulated No
Health authority Taiwan: Department of Health
Study type Interventional

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.


Recruitment information / eligibility

Status Completed
Enrollment 142
Est. completion date December 2010
Est. primary completion date December 2010
Accepts healthy volunteers No
Gender Both
Age group 20 Years and older
Eligibility Inclusion Criteria:

- Patients are aged greater than 20 years who have persistent H. pylori infection after one treatment and are willing to receive second line rescue regimens, respectively, are considered eligible for enrollment.

Exclusion Criteria:

- Children and teenagers aged less than 20 years,

- History of gastrectomy,

- Gastric malignancy, including adenocarcinoma and lymphoma,

- Previous allergic reaction to antibiotics (amoxicillin, clarithromycin, levofloxacin) and prompt pump inhibitors (esomeprazole),

- Contraindication to treatment drugs,

- Pregnant or lactating women, OR

- Severe concurrent disease.

Study Design

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


Intervention

Drug:
Cravit-based sequential therapy
Eligible patients will be treated with (esomeprazole 40mg bid +amoxicillin 1gm bid) for 5 days, followed by (esomeprazole 40mg bid + levofloxacin 250mg bid + metronidazole 500mg bid ) for another 5 days

Locations

Country Name City State
Taiwan National Taiwan University Hospital Taipei

Sponsors (1)

Lead Sponsor Collaborator
National Taiwan University Hospital

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Primary Eradication rate will be evaluated according to Intent-to-treat (ITT) and per-protocol (PP) analyses 2009/4/20 No
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