Rabeprazole Based Sequential-Concommitant Hybrid Therapies for H. Pylori Infections

April 4, 2012 updated by: Ming-Cheh Chen, Buddhist Tzu Chi General Hospital
This prospective controlled randomized open-label clinical trial is designed to determine the optimal eradication rate of rabeprazole based sequential-concommitant hybrid therapies for adults infected with Helicobacter pylori in Eastern Taiwan. Enrolled patients will receive 3, 5 or 7 days of pre-concommitant (sequential part) treatment with rabeprazole + amoxicillin, then 7 days of concommitant treatment with rabeprazole + amoxicillin + clarithromycin + metronidazole.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Detailed Description

Background: Antimicrobial resistance has decreased the worldwide eradication rates of common used triple therapy for Helicobacter pylori infection (less than 80%).

Objective: To determine the optimal pre-concommitant treatment length for rabeprazole based sequential-concomitant hybrid therapies for adults infected with Helicobacter pylori in Eastern Taiwan.

Design: Randomized, open-label, prospective controlled trial.

Patients: 231 patients with dyspepsia or peptic ulcers and infected by Helicobacter pylori.

Measurements: 13C-urea breath test, upper endoscopy, histologic evaluation, rapid urease test, bacterial culture, assessment of antibiotic resistance and CYP2C19 genotype of host.

Intervention: 231 patients with Helicobacter pylori infection are recruited and randomly assigned to receive one of the following therapeutic schemes: group 1, 14-days hybrid therapy: rabeprazole 20mg bid + amoxicillin 1g bid treated for 7 days, then rabeprazole 20mg bid + amoxicillin 1g bid + clarithromycin 0.5g bid + metronidazole 0.5g bid for other 7 days; group 2, 12-days hybrid therapy: rabeprazole 20mg bid + amoxicillin 1g bid treated for 5 days, then rabeprazole 20mg bid + amoxicillin 1g bid + clarithromycin 0.5g bid + metronidazole 0.5g bid for other 7 days; group 3, 10-days hybrid therapy: rabeprazole 20mg bid + amoxicillin 1g bid treated for 3 days, then rabeprazole 20mg bid + amoxicillin 1g bid + clarithromycin 0.5g bid + metronidazole 0.5g bid for other 7 days. Repeat upper endoscopy for histologic evaluation, rapid urease test or 13C-urea breath test after 4 week of treatment to assess the treatment result. The influence on the hybrid therapies of antibiotic resistance of Helicobacter pylori and CYP2C19 genotype of host were determined.

Expected results: The rabeprazole based sequential-concomitant therapies for eradication of Helicobacter pylori is very effective, and the outcome is not affected by antibiotic resistance of Helicobacter pylori and CYP2C19 genotype of host.

Study Type

Interventional

Enrollment (Anticipated)

231

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • Taiwan
      • Hualien, Taiwan, 97002
        • Recruiting
        • Buddhist Tzu Chi General Hospital
        • Contact:
        • Sub-Investigator:
          • Wei-Yi RAY, MD
        • Principal Investigator:
          • Ming-Cheh CHEN, MD
        • Sub-Investigator:
          • Chi-Tan HU, PhD, MD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years to 85 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patient proved with infection of H. pylori in gastric mucosa (at least two of four tests positive)

Exclusion Criteria:

  • woman in breast feeding or pregnancy.
  • allergy to drugs used in study.
  • previously treated for H. pylori.
  • intolerance to fructose, lactose.
  • patients with hematologic, brain or spinal disorders
  • patients under 20 years old
  • patients under aspirin or clopidogrel
  • patients with history of gastric cancer or gastric resection operation.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: NONE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: Hybrid-10
RA3-RACM7: rabeprazole + amoxicillin x 3 days, then rabeprazole + amoxicillin + clarithromycin + metronidazole x 7 days.
Drug: RA3-RACM7
rabeprazole 20mg bid + amoxicillin 1g bid treated for 3 days, then rabeprazole 20mg bid + amoxicillin 1g bid + clarithromycin 0.5g bid + metronidazole 0.5g bid for other 7 days
Other Names:
  • Klarid x 7 days.
  • Flagyl x 7 days.
  • Pariet x 10 days.
  • Hiconcil x 10 days.
EXPERIMENTAL: Hybrid-12
RA5-RACM7: rabeprazole + amoxicillin x 5 days, then rabeprazole + amoxicillin + clarithromycin + metronidazole x 7 days
Drug: RA5-RACM7
rabeprazole 20mg bid + amoxicillin 1g bid treated for 5 days, then rabeprazole 20mg bid + amoxicillin 1g bid + clarithromycin 0.5g bid + metronidazole 0.5g bid for other 7 days
Other Names:
  • Pariet x 12 days.
  • Hiconcil x 12 days.
  • Klarid x 7 days.
  • Flagyl x 7 days.
EXPERIMENTAL: Hybrid-14
RA7-RACM7: rabeprazole + amoxicillin x 7 days, then rabeprazole + amoxicillin + clarithromycin + metronidazole x 7 days
Drug: RA7-RACM7
rabeprazole 20mg bid + amoxicillin 1g bid treated for 7 days, then rabeprazole 20mg bid + amoxicillin 1g bid + clarithromycin 0.5g bid + metronidazole 0.5g bid for other 7 days
Other Names:
  • Klarid x 7 days.
  • Flagyl x 7 days.
  • Pariet x 14 days.
  • Hiconcil x 14 days.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Eradication rate
Time Frame: 4 weeks after complete use of drug for treatment
A negative post-treatment 13C-urea breath test result at more than 4 weeks after complete use of drug for treatment.
4 weeks after complete use of drug for treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Buddhist Tzu Chi General Hospital

Collaborators

Kaohsiung Medical University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2011

Primary Completion (ANTICIPATED)

December 1, 2012

Study Completion (ANTICIPATED)

December 1, 2012

Study Registration Dates

First Submitted

March 27, 2012

First Submitted That Met QC Criteria

March 28, 2012

First Posted (ESTIMATE)

March 29, 2012

Study Record Updates

Last Update Posted (ESTIMATE)

April 5, 2012

Last Update Submitted That Met QC Criteria

April 4, 2012

Last Verified

April 1, 2012

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • TCRD100-16
  • IRB099-71 (OTHER: IRB of Buddhist Tzu Chi General Hospital)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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