Could A2 milk ease gut symptoms in teens with celiac disease?
NCT ID NCT07815821
First seen Sep 11, 2026 · Last updated Sep 11, 2026
Summary
Researchers are testing whether milk and dairy products made with A2 beta-casein protein can improve gut symptoms, quality of life, sleep, and nutritional blood markers in adolescents with celiac disease. The trial enrolls 50 teens aged 10 to 18 who were diagnosed with celiac disease within the past three months. Participants consume either A2-containing milk and dairy products or standard milk and dairy products for eight weeks while completing diet records, symptom and quality-of-life questionnaires, and body composition and blood tests. The goal is to see whether A2 dairy offers extra benefits over standard dairy for this group.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- milk and dairy products containing A2 beta-casein
- What this could lead to
- If A2 milk helps, it could offer teens with celiac disease a simple dietary option to ease gut symptoms and improve daily quality of life.
- What could go wrong
- This is a small, short study of 50 teens, and any symptom changes may come from diet or placebo effects rather than A2 protein. Milk products still contain lactose and milk proteins, so they are not safe for teens with lactose intolerance or milk allergy.
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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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50 people
The number who actually took part.
- Started
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Feb 2022
- Finished
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Jul 2026
- 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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10 to 18 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Adolescents aged 10-18 years * Diagnosis of celiac disease according to ESPGHAN criteria * Being diagnosed with celiac disease within the last 3 months * Volunteering to participate in the study Exclusion Criteria: * Presence of any chronic disease other than celiac disease * Presence of lactose intolerance * Presence of cow's milk protein allergy
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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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Sariyer Hamidiye Etfal Training and Research Hospital
Istanbul, 34421, Turkey (Türkiye)
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Early Gluten-Free diet or probiotics: a new strategy to prevent celiac disease?
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- Wheat sensitivity linked to fatty liver? a new study investigates
- Could early lipid screening in High-Risk kids prevent future heart attacks?