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New stomach bug treatment battle: which drug combo wins?

NCT ID NCT07242456

Disease control Sponsor: First People's Hospital of Hangzhou Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests two different 14-day treatments for Helicobacter pylori, a bacteria that can cause stomach ulcers. About 240 adults with confirmed infection will take either tegoprazan or vonoprazan, both combined with amoxicillin. The goal is to see if the newer tegoprazan combo works as well as the standard vonoprazan combo at clearing the infection, while also checking for side effects and how well people follow the treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

About 240 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2025

Expected to finish

Jan 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 1\. Adults aged 18 to 70 years. 2. Confirmed Helicobacter pylori infection based on at least one positive test (13C-urea breath test, rapid urease test, histology, or stool antigen test). 3. Able and willing to provide written informed consent. 4. Able to comply with study procedures and visits. 5. For females of childbearing potential: agreement to use effective contraception during the study period. Exclusion Criteria: * 1\. Previous Helicobacter pylori eradication therapy within the past 12 months. 2. Use of antibiotics, bismuth compounds, or other medications with anti-H. pylori activity within 4 weeks before baseline testing. 3. Use of proton pump inhibitors, P-CABs, or H2-receptor antagonists within 2 weeks before baseline testing. 4. Known allergy or intolerance to tegoprazan, vonoprazan, amoxicillin, or any beta-lactam antibiotic. 5. Known severe hepatic impairment (e.g., Child-Pugh C) or severe renal impairment (e.g., eGFR \< 30 mL/min/1.73 m²). 6. History of gastric surgery (except minor endoscopic procedures that do not affect gastric anatomy). 7\. Active gastrointestinal bleeding or suspected gastric malignancy. 8. Pregnant or breastfeeding women. 9. Participation in another interventional clinical trial within the past 30 days. 10\. Any medical or psychiatric condition that, in the investigator's judgment, could interfere with study participation or pose unacceptable risk.

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Conditions

The condition(s) this trial relates to.

Helicobacter pylori infectious disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Helicobacter pylori infection

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Hangzhou First People's Hospital, Department of Gastroenterology (Helicobacter pylori Standardized Diagnosis and Treatment Clinic, National Demonstration Center)

    RECRUITING

    Hangzhou, Zhejiang, 310000, China

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