Comparing Tegoprazan and Lansoprazole for treating H. pylori infections

A Randomized, Double-Blind, Active-controlled, Multi-center, Therapeutic Exploratory Study to Evaluate the Safety and Efficacy of a Standard Triple Therapy With Tegoprazan (by Dose) in H. Pylori Positive Patients

Phase 2 Interventional HK inno.N Corporation · NCT05933031

This study is testing whether a new medication called Tegoprazan works better than Lansoprazole in treating H. pylori infections in patients.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment381 (estimated)
Ages19 Years to 75 Years
SexAll
SponsorHK inno.N Corporation Industry-sponsored
Locations1 site (Seoul)
Trial IDNCT05933031 on ClinicalTrials.gov

What this trial studies

This exploratory study aims to evaluate the safety and efficacy of Tegoprazan in a dose-specific standard triple therapy compared to Lansoprazole standard triple therapy in patients who are positive for H. pylori. The study is designed as a randomized, double-blind, active-controlled, multicenter trial, where participants will receive treatment twice a day for 14 days. The goal is to determine which therapy is more effective in eradicating the H. pylori infection.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals who are H. pylori positive and have upper gastrointestinal disease.

Not a fit: Patients who have previously received therapy for H. pylori eradication or have used certain medications within specified timeframes may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a more effective treatment option for patients suffering from H. pylori infections.

How similar studies have performed: While this approach is exploratory, previous studies have shown varying success with different therapies for H. pylori, making this a potentially valuable investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* H. pylori positive at screening
* Subjects who have upper gastrointestinal disease

Exclusion Criteria:

* Having received prior therapy for eradication of H. pylori
* Prior use of P-CAB, proton pump inhibitors (PPIs), H2 receptor blockers within 14 days
* Prior use of H. pylori eradication effective antibiotics, bismuth within 28 days

Where this trial is running

Seoul

Study contacts

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.
Conditions Helicobacter Pylori Infection
Last reviewed 2026-06-13 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.