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Stool test may cut h. pylori treatment time in half

NCT ID NCT07405684

Disease control Sponsor: Shanghai Zhongshan Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether a 7-day course of antibiotics, chosen based on a stool test, can clear H. pylori infection as effectively as a standard 14-day course. About 544 adults with a first-time H. pylori infection will provide a stool sample for drug-resistance testing and then be randomly assigned to either 7 or 14 days of tailored treatment. The goal is to see if the shorter treatment is just as good, safer, and more cost-effective.

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 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 544 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

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 75 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. Voluntarily participate in this clinical study; fully understand, be informed about this study, and sign the Informed Consent Form (ICF). 2. Age between 18 and 75 years (inclusive) on the day of signing the ICF. 3. 13C-urea breath test (13C-UBT) and fecal HP nucleic acid detection confirming Helicobacter pylori (Hp) infection. 4. Not previously eradicated HP Exclusion Criteria: 1. Individuals with a known allergy to the medication. 2. Patients with severe cardiovascular, pulmonary, renal, hepatic, hematologic, neurologic, endocrine, or psychiatric disorders; 3. Participants or guardians who refuse to enroll; 4. Alcohol and/or drug abuse (dependence or addiction) or individuals judged by the physician to have poor compliance; 5) Use of antibiotics, bismuth-containing drugs, PPIs, or traditional Chinese medicines within 4 weeks before treatment; 6) Pregnant or lactating women; 7) Any condition deemed by the investigator to be unsuitable for enrollment.

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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 infections

How to take part

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

  1. The places running it

    4 sites. 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

  • Renji Hospital, School of Medicine, Shanghai Jiaotong University

    Shanghai, Shanghai Municipality, 200000, China

  • Shanghai Jiangong Hospitail.

    Shanghai, Shanghai Municipality, China

  • Shanghai Tenth People Hospital

    Shanghai, Shanghai Municipality, China

  • Zhongshan Hospital, Fudan University

    Shanghai, China

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