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New study tests cheaper h. pylori treatment to beat antibiotic resistance

NCT ID NCT07574983

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two 14-day treatments for H. pylori, a stomach bacteria that can cause ulcers and cancer. About 90 adults will receive either a levofloxacin-based sequential therapy or a bismuth-based quadruple therapy. The goal is to see which treatment works better and has fewer side effects, aiming to find an affordable option for areas with high antibiotic resistance.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Levofloxacin-based sequential therapy (dexlansoprazole, amoxicillin, levofloxacin, tinidazole) and bismuth-based quadruple therapy (bismuth subsalicylate, dexlansoprazole)
What this could lead to
If successful, this could identify a more effective and affordable first-line treatment for H. pylori infection, especially in areas with high antibiotic resistance.
What could go wrong
This is a small, early-stage trial with only 90 participants, so results may not apply to everyone. Both treatments can cause side effects like nausea or diarrhea, and antibiotic resistance may still limit effectiveness.

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 90 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 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

20 years and older

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: * Adults aged 20 years and older * Confirmed Helicobacter pylori infection by stool antigen testing * Willingness to comply with the assigned treatment regimen * Ability to provide informed consent * Willingness to complete follow-up evaluation Exclusion Criteria: * Use of antibiotics within 4 weeks prior to enrollment * Active gastrointestinal infection other than Helicobacter pylori * Previous gastrointestinal tract surgery * Pregnant or lactating females * Known allergy or intolerance to study medications * Psychiatric illness or other condition impairing treatment compliance * Severe comorbid illness making participation unsuitable in the investigator's judgment

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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

  1. 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 ↗

  2. 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.

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