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Can cutting certain carbs or gluten calm irritable bowel syndrome?

NCT ID NCT07800650

Disease control Sponsor: Ertuğrul Çoruh Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 02, 2026 · Last updated Sep 03, 2026 · Updated 1 time

Summary

This trial tests two popular diets for irritable bowel syndrome (IBS) in Turkish adults. Researchers will compare a 4-week low-FODMAP diet, which limits certain fermentable carbs, against a 4-week gluten-free diet. Seventy people with IBS will follow one of the diets under a dietitian's guidance. The goal is to see which approach better reduces gastrointestinal symptoms like pain and bloating.

What this could mean

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

Active substance
A 4-week low-FODMAP diet or a 4-week gluten-free diet, both guided by a dietitian with weekly phone follow-ups.
What this could lead to
If one diet clearly eases IBS symptoms better, it could give Turkish patients a simple, practical dietary plan to manage their condition.
What could go wrong
The trial is small with 70 participants and no placebo, so results may not apply to everyone. Diets can be hard to follow, and symptom changes may vary widely between people.

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

70 people

The number who actually took part.

Started

Dec 2025

Finished

Jul 2026

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 65 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: * Diagnosed with Irritable Bowel Syndrome (IBS) according to the Rome IV diagnostic criteria * Aged between 18 and 65 years * Literate * Signed the informed consent form Exclusion Criteria: * Psychiatric or neurological condition affecting cooperation (dementia, psychosis, etc.) * Chronic condition (celiac disease, inflammatory bowel disease, diabetes, chronic kidney failure, liver failure, malignancy) * Regular use of medication for IBS symptoms (antispasmodics, loperamide, laxatives, antidepressants, etc.) * Eating disorder (anorexia nervosa, bulimia nervosa, etc.) * Malabsorption syndrome preventing adherence to the diet * Pregnancy or breastfeeding

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Conditions

The condition(s) this trial relates to.

irritable bowel syndrome

As listed by the trial registrant

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

Irritable bowel syndrome

Contacts and locations

Locations

  • Yıldızkent Family Health Center

    Erzurum, 25080, Turkey (Türkiye)

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