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Optimal Recheck Time for Helicobacter Pylori Eradication: A Prospective Randomized Trial

Recruiting
18 - 70 years of age
Both
Phase N/A

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Overview

Although Urea breath test has been commonly used to recheck the efficiency of Helicobacter pylori eradication, there has been no randomized trials comparing the accuracy of Urea breath test results at different times after eradication. The investigators aim to assess the accuracy and influence factors of post-therapy test at different times and follow up the cut off samples to optimize the best time to recheck.

Description

The investigators plan to conduct a single-center, open-label, randomized controlled study in Zhejiang, China. Treatment-naive H. pylori-positive participants (n = 900) were randomly assigned to three groups in a 1:1:1 ratio with the same eradication regimen: amoxicillin 1000 mg, clarithromycin 500mg, rabeprazole 10mg, and colloidal bismuth 200 mg each given twice a day for 14 days. Urea breath tests were administered at different times after the treatment: 4 to 6 weeks, 6 to 8 weeks, and 8 to 10 weeks, respectively, for different groups.

Eligibility

Inclusion Criteria:

  • no history of helicobacter pylori treatment
  • the diagnosis of H. pylori infection was confirmed by one or more of the following methodologies before treatment: gastric biopsy using histochemical staining, tissue culture, the 14C-urea breath test (UBT), and/or the 13C-UBT.

Exclusion Criteria:

  • used antibiotics or bismuth within four weeks before inclusion or acid inhibitor use, including H2 receptor antagonist (H2RA), PPI or P-CAB use, within two weeks prior to inclusion.
  • had an active peptic ulcer with complications such as hemorrhage, perforation, or obstruction.
  • had a history of esophagectomy or gastrectomy.
  • had an allergy to any study drug.
  • had severe comorbidities or physical or mental diseases.
  • were pregnant or breastfeeding.
  • had a history of alcohol abuse or drug addiction.

Study details

Helicobacter Pylori Eradication

NCT05870397

Second Affiliated Hospital, School of Medicine, Zhejiang University

25 January 2024

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