Can a diet tame chronic hives in teens?
NCT ID NCT07765979
First seen Aug 14, 2026 · Last updated Sep 04, 2026 · Updated 1 time
Summary
This trial asks whether adding a Mediterranean diet or a low-histamine diet to standard care can reduce disease activity and improve quality of life in teens aged 12-18 with chronic spontaneous urticaria (CSU), a condition causing persistent hives. Participants are randomly assigned to one of three groups: standard treatment alone, standard treatment plus a low-histamine diet, or standard treatment plus a Mediterranean diet. The dietary phase lasts four weeks, with follow-up at eight weeks to assess changes in hive severity, disease control, and quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Mediterranean diet or low-histamine diet, added to standard medical treatment
- What this could lead to
- If effective, these diets could offer a simple, drug-free add-on to better control chronic hives and improve quality of life in teenagers.
- What could go wrong
- This is a small, short-term trial, and dietary effects may be modest or hard to separate from standard treatment. Results may not apply to all patients.
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 63 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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12 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.
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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: * Age 12-18 years. * Confirmed diagnosis of Chronic Spontaneous Urticaria (CSU) according to international guidelines. * No recent use of systemic corticosteroids or immunosuppressive therapy (except short-term acute use). * Written informed consent provided by both the participant and a parent/legal guardian. Exclusion Criteria: * Presence of a neurodevelopmental disorder. * Presence of any other known chronic disease. * Presence of a disease requiring a special therapeutic diet. * Presence of an acute infection. * Presence of any food allergy. * Recent use of systemic corticosteroids, biologic agents, - immunosuppressive therapy, or high-dose antihistamines (except short-term acute use).
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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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T.C. İstanbul Prof. Dr. Cemil Taşcıoğlu Şehir Hastanesi
RECRUITINGIstanbul, Istanbul, 34384, Turkey (Türkiye)
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