Can a Dietitian's help tame IBS better than a brochure?
NCT ID NCT07619573
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested whether personalized guidance from a dietitian on a low-FODMAP diet works better than just giving patients a standard brochure for managing irritable bowel syndrome (IBS). Fifty adults with IBS followed the diet for 8 weeks. Researchers measured symptom severity and inflammation markers in blood and stool to see which approach helped more.
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
- What this could lead to
- If successful, this could show that personalized dietitian guidance improves IBS symptoms more than a simple brochure.
- What could go wrong
- This is a small, completed trial with only 50 participants, so results may not apply to everyone. Dietary changes can be hard to follow long-term.
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
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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
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50 people
The number who actually took part.
- Started
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Apr 2025
- Finished
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Oct 2025
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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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 18-65 years. * Diagnosed with IBS according to the Rome IV criteria. Exclusion Criteria: * Use of antibiotics, NSAIDs, oral contraceptives, or hormone therapy during the study. * Pregnancy or breastfeeding. * Diagnosis of celiac disease
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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
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Biruni University
Istanbul, Istanbul, Turkey (Türkiye)
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Biruni University Faculty of Medicine Hospital
Istanbul, Istanbul, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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