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Can breathing exercises beat belly bloating? new trial aims to find out

NCT ID NCT06369753

Symptom relief Sponsor: Hospital Universitari Vall d'Hebron Research Institute 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether a simple biofeedback technique—teaching people to control their abdominal and chest muscles using a video—can reduce visible bloating after meals. 100 adults with irritable bowel syndrome, dyspepsia, or functional bloating will be randomly assigned to either the biofeedback exercises or a placebo (sham measurements and a sugar pill). The main goal is to see if bloating scores improve after four weeks.

What this could mean

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

Active substance
biofeedback (breathing and muscle exercises)
What this could lead to
If it works, this could offer a simple, drug-free way to reduce visible abdominal bloating after meals.
What could go wrong
This is a small, early-stage trial testing a technique that was previously complex. The placebo group also receives attention, so the real benefit may be modest.

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 100 people

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

Started

Jul 2025

Expected to finish

Oct 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 80 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: * episodes of visible abdominal distension triggered by meal ingestion Exclusion Criteria: * organic cause detected by clinical work-up * constipation * abdominal distension not confirmed by the 7-day clinical questionnaires in the pre- intervention evaluation

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Conditions

The condition(s) this trial relates to.

dyspepsia irritable bowel syndrome

As listed by the trial registrant

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

Dyspepsia Functional bloating Irritable bowel syndrome

How to take part

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

  1. The places running it

    3 sites in 3 countries. 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

  • Bordeaux University Hospital

    ACTIVE_NOT_RECRUITING

    Bordeaux, 33000, France

  • G. Oppenheimer Center for Neurobiology of Stress and Resilience

    RECRUITING

    Los Angeles, California, 90095, United States

  • Hospital Universitari Vall d'Hebron

    NOT_YET_RECRUITING

    Barcelona, 08035, Spain

  • Manchester University

    ACTIVE_NOT_RECRUITING

    Manchester, M14 9PR, United Kingdom

  • McMaster University

    RECRUITING

    Hamilton, Ontario, ON L8S 4L8, Canada

  • Sahlgrenska Hospital, Gothenburg

    ACTIVE_NOT_RECRUITING

    Gothenburg, 413 45, Sweden

  • Santa Orsola Hospital

    ACTIVE_NOT_RECRUITING

    Bologna, 40138, Italy

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