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Battle of the bacteria: which h. pylori treatment wins?

NCT ID NCT02373280

Disease control Sponsor: Seoul National University Bundang Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two antibiotic treatments for H. pylori, a stomach infection. 600 adults will get either a 10-day standard treatment or a 7-day treatment tailored to their bacteria's drug resistance. The goal is to see which approach eradicates the infection more effectively.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 600 people

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

Start date

Aug 2014

Expected to finish

Dec 2027

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 85 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * The patients who proved H. pylori infection following three methods 1. positive rapid urease test (CLOtest) 2. histologic evidence of H. pylori by modified Giemsa staining 3. positive Urea breath test * Male and female Korean Adult (Aged ≥ 18 years) Exclusion Criteria: * Patients who received eradication therapy for H. pylori infection, previously * H. pylori eradication failure because of poor compliance * the administration of antibiotics or the consumption of bismuth salts within 4 weeks or the administration of a proton pump inhibitor (PPI) within 2 weeks * Advanced gastric cancer or other malignancy * Abnormal liver function or liver cirrhosis * Abnormal renal function or chronic kidney disease * Other severe concurrent diseases * Previous allergic reactions to the study drugs * Pregnant or lactating women

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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 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

  • Seoul National University Bundang Hospital

    RECRUITING

    Seongnam-si, Gyeonggi-do, 463-707, South Korea

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