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Can a diet tame chronic hives in teens?

NCT ID NCT07765979

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

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

About 63 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2025

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

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

12 to 18 years

Sex

Anyone

Healthy volunteers

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

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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • T.C. İstanbul Prof. Dr. Cemil Taşcıoğlu Şehir Hastanesi

    RECRUITING

    Istanbul, Istanbul, 34384, Turkey (Türkiye)

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