Could a daily glass of kefir soothe celiac gut troubles?
NCT ID NCT07777666
First seen Aug 20, 2026 · Last updated Aug 21, 2026 · Updated 1 time
Summary
This study asks whether drinking kefir every day can reduce gastrointestinal symptoms and improve quality of life in adults with celiac disease who follow a strict gluten-free diet. In a crossover design, 30 participants will consume 200 mL of kefir daily for four weeks, then continue their usual diet without kefir for another period. Researchers will compare gut symptom scores and celiac-related quality of life between the two phases.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- kefir
- What this could lead to
- If kefir helps, it could offer a simple dietary addition to ease persistent gut symptoms and boost quality of life for people with celiac disease who already follow a gluten-free diet.
- What could go wrong
- This is a small, early-stage trial, and results may not apply to everyone. Kefir contains dairy and may not be tolerated by all, and any benefit could be modest or absent.
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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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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Nov 2027
An estimate. End dates often move.
- 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 years and older
- 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.
Show the full entry requirements Hide 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 18 years or older with a confirmed diagnosis of celiac disease. * Following a strict gluten-free diet. Exclusion Criteria: * Other chronic gastrointestinal diseases. * Pregnancy. * Known allergy or intolerance to milk or dairy products or other components of kefir.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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University of Maribor, Faculty of Health Sciences
Maribor, 2000, Slovenia
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