Can cutting certain foods calm irritable bowel syndrome?

NCT ID NCT07774923

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Last updated Aug 21, 2026 · Updated 2 times

Summary

This trial tests whether two special diets can ease the symptoms of irritable bowel syndrome (IBS), a condition causing abdominal pain and altered bowel habits. Adults aged 19-64 with IBS will follow either a low-FODMAP diet or a combined gluten-free and lactose-free diet for six weeks. Researchers will measure changes in symptom severity using a standard IBS score, comparing the effects of the two dietary approaches.

What this could mean

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

Active substance
Low-FODMAP diet or a combined gluten-free and lactose-free diet
What this could lead to
If effective, these diets could offer practical, drug-free ways to reduce IBS symptoms like pain and bloating, helping guide dietary advice for people with IBS.
What could go wrong
This is a small, early-stage study without a placebo group, so results may not be conclusive. Dietary adherence can vary, and individual responses may differ, limiting generalizability.

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

60 people

The number who actually took part.

Started

Feb 2025

Finished

Jul 2025

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 64 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: * Adults aged 19-64 years * Diagnosed with irritable bowel syndrome * Male or female * Provided written informed consent to participate in the study Exclusion Criteria: * Pregnancy or lactation * Diagnosis of cancer * Presence of a gastrointestinal disease other than irritable bowel syndrome * Diagnosis of diabetes mellitus * Diagnosis of a psychiatric disorder

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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.

Contacts and locations

Locations

  • Mersin University Hospital

    Mersin, 33343, Turkey (Türkiye)

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