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Fiber fix? psyllium may tame fructan triggers in kids with IBS

NCT ID NCT06639984

Symptom relief Sponsor: Dr Bruno Chumpitazi, M.D. Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether psyllium, a common fiber supplement, can reduce belly pain and bloating in children with irritable bowel syndrome (IBS) who are sensitive to fructans—a type of sugar found in foods like wheat and onions. Researchers will give 110 kids aged 12-17 either psyllium or a placebo alongside fructan-containing meals, then track symptoms and gut bacteria changes. The goal is to see if psyllium can make fructans easier to digest.

What this could mean

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

Active substance
psyllium fiber
What this could lead to
If it works, this could point toward a simple fiber supplement to help children with IBS eat fructans without pain or bloating.
What could go wrong
This is an early phase 2 trial with only 110 participants, so results may not apply to all children. The benefit may be small or not work for everyone.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 110 people

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

Started

Feb 2025

Expected to finish

Sep 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

12 to 17 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: * Children between the ages of 12-17 years meeting pediatric Rome IV criteria for IBS Exclusion Criteria: * Children who have had previous bowel surgery, have documented GI disorders (e.g., ulcerative colitis), or a serious chronic medical condition (e.g., diabetes) * weight and/or height are \> or \< 2 SD for age * have chronic conditions with GI symptoms (e.g., cystic fibrosis) * have been on antibiotics or probiotics within 3 months (because of potential alterations to the GI microbiome0 * girls who are pregnant (tested with urine beta-human chorionic gonadotropin at the initial visit)

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Conditions

The condition(s) this trial relates to.

Abdominal Pain irritable bowel syndrome

As listed by the trial registrant

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

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

    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

  • Duke University

    RECRUITING

    Durham, North Carolina, 27705, United States

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