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Balloon trick may unlock better bowel training for constipation sufferers

NCT ID NCT07705542

Knowledge-focused Sponsor: Hull University Teaching Hospitals NHS Trust 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 15, 2026 · Last updated Jul 16, 2026 · Updated 1 time

Summary

This study tests whether inflating a small balloon during biofeedback therapy helps people with chronic constipation coordinate their muscles better. Biofeedback therapy teaches patients how to relax and tighten the right muscles to have a bowel movement. The study compares the standard approach (balloon deflated) with a modified approach where the balloon is inflated to mimic the natural urge to go. Ten participants will have their muscle coordination measured to see which method works best.

What this could mean

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

Active substance
biofeedback therapy with balloon inflated to defecatory desire volume
What this could lead to
If successful, this could lead to a simple modification in biofeedback therapy that improves bowel coordination and quality of life for people with chronic constipation.
What could go wrong
This is a very small, early study with only 10 participants, so results may not apply to everyone. The benefit of inflating the balloon may be minimal or not noticeable.

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 10 people

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

Started

May 2026

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 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: * dyssynergia, constipation, obstructive defecation Exclusion Criteria: * Patients with anorectal inflammation due to conditions such as solitary rectal ulcer syndrome * Patients with significantly altered anorectal anatomy due to abnormalities such as large rectocele, rectal prolapse or intussusception * History of major anorectal surgery * Unable to be investigated with HR-ARM due to contraindications such as recent anorectal surgery (\<6 weeks), active anorectal infections, severe anal pain or fissures(?), thrombosed haemorrhoids, or inability to tolerate anorectal catheters * Patients with pre-existing co-morbid inflammatory gastrointestinal conditions, including * Coeliac and Crohn's disease

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Conditions

The condition(s) this trial relates to.

anismus Ataxia constipation disorder

As listed by the trial registrant

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

Anismus Chronic constipation Constipation Dyssynergia

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

  • Hull University Teaching Hospitals

    RECRUITING

    Hull, HU16 5JQ, United Kingdom

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