Treatment options for difficult-to-eradicate Helicobacter pylori infections

Rifabutin-containing Triple Therapy for Helicobacter Pylori Rescue Treatment: a Randomized Controlled Trial

PHASE4 · Shanghai Jiao Tong University School of Medicine · NCT05874544

This study is testing different treatment options for people who still have Helicobacter pylori infections after previous treatments to see which one works best.

Quick facts

PhasePHASE4
Study typeInterventional
Enrollment360 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorShanghai Jiao Tong University School of Medicine (other)
Locations3 sites (Shanghai, Shanghai and 2 other locations)
Trial IDNCT05874544 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the effectiveness and safety of different treatment regimens for patients with refractory Helicobacter pylori infections. It compares a dual therapy of vonoprazan and amoxicillin against a rifabutin-containing triple therapy and a classical bismuth-containing quadruple therapy. The study aims to determine which of these approaches is most effective in eradicating the infection after previous treatment failures. Participants will be closely monitored for treatment outcomes and any adverse effects.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 80 with confirmed Helicobacter pylori infection who have previously undergone treatment.

Not a fit: Patients who are naive to H. pylori treatment or have severe systemic diseases or malignancies may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide more effective treatment options for patients struggling with persistent Helicobacter pylori infections.

How similar studies have performed: Previous studies have shown success with rifabutin-containing therapies for H. pylori, indicating that this approach has potential based on established efficacy.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Ability and willingness to participate in the study and to sign and give informed consent
* Confirmed H. pylori infection and with previous treatment experience

Exclusion Criteria:

* subjects naive to H. pylori treatment,
* under 18 or over 80 years old
* history of gastrectomy
* pregnant or lactating women
* Previous history of tuberculosis
* Allergy to any of the study drugs
* severe systemic diseases or malignancy
* administration of antibiotics, bismuth, antisecretory drugs, or Chinese herb medicine in the preceding 8 weeks

Where this trial is running

Shanghai, Shanghai and 2 other locations

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Helicobacter Pylori Infection, Helicobacter pylori, rescue therapy

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.