Could a diet tame chronic hives in children?
NCT ID NCT07632040
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This trial investigates whether a low-histamine and pseudoallergen-free diet can reduce symptoms like hives and itching in children aged 1 to 18 with chronic spontaneous urticaria. Participants follow the diet for 4 weeks while continuing standard care. Researchers track changes in symptom scores, disease control, quality of life, and medication use to see if dietary changes help.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- low-histamine and pseudoallergen-free diet
- What this could lead to
- If effective, this diet could offer a simple, drug-free way to manage chronic hives and reduce reliance on antihistamines in children.
- What could go wrong
- This is a small, early-stage trial with no comparison group, so results may not be conclusive. Dietary changes can be hard to maintain, and individual responses may vary.
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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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Jan 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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1 year to 18 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.
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.
IInclusion Criteria: Children aged 1 to 18 years Diagnosis of chronic spontaneous urticaria Disease duration of at least 6 weeks Presence of active urticaria symptoms at enrollment Ability of the child and/or parent/caregiver to complete symptom and diet follow-up forms Ability and willingness of the family to follow the assigned dietary recommendation Written informed consent from parent or legal guardian Assent from the child when applicable Exclusion Criteria: Pure chronic inducible urticaria Urticaria secondary to an identified trigger IgE-mediated food allergy requiring a specific elimination diet Active infection or parasitic disease Oral corticosteroid use within the previous 4 weeks Current or recent biological treatment for chronic urticaria Coeliac disease Inflammatory bowel disease Known systemic mast cell disease Severe chronic systemic disease affecting diet, growth, or follow-up Significant malnutrition or a medical condition requiring a special diet Pregnancy or lactation in postmenarchal adolescents Inability or unwillingness of the child or family to adhere to the assigned dietary recommendation Incomplete follow-up data
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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
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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Istanbul University, Istanbul Faculty of Medicine, Department of Pediatric Allergy and Immunology
Istanbul, Fatih, 34100, Turkey (Türkiye)