Status:
NOT_YET_RECRUITING
Identification of Subpopulations of Patients With Cholinergic Urticaria Based on Infrared Exposure Test Results.
Lead Sponsor:
University Hospital, Montpellier
Conditions:
Cholinergic Urticaria
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
This study aims to identify subpopulations of patients with cholinergic urticaria based on their sensitivity to infrared (IR) radiation exposure. Cholinergic urticaria is a chronic inducible urticaria...
Detailed Description
Cholinergic urticaria is characterized by small pruritic papules triggered by exercise, emotions, hot environments, or hot food and beverages. The pathophysiology remains unclear, but one hypothesis i...
Eligibility Criteria
Inclusion
- Inclusion criteria :
- Adults ≥ 18 years old
- Cholinergic urticaria diagnosed based on the diagnostic criteria published in 2016 (Magerl et al) : pruritic micropapules triggered by active or passive exposure to heat.
- Exercise test performed within the 6 months prior to inclusion.
- Exclusion criteria :
- Patients on H1 antihistamines within 72 hours before infrared exposure test
- Patients on any other specific treatment for cholinergic urticaria within a period of 5 plasma half-lives before infrared exposure test
- Patients with exercise-induced anaphylaxis (diet-induced or not)
- Patients with severe forms of cholinergic urticaria: angioedema, respiratory manifestations or anaphylaxis
- Participants who have reached the maximum compensation amount for their participation in research studies.
- Lack of consent (adults, non-emancipated minors, individuals unable to express consent, research conducted in emergency situations, etc.).
- Not being affiliated with or a beneficiary of a French social security scheme.
- Protected adults (under guardianship, curatorship, or judicial protection).
- Individuals participating in another research study with an ongoing exclusion period.
- Subjects deprived of liberty (Art. L. 1121-6) (by judicial or administrative decision, or involuntary hospitalization).
- Pregnant or breastfeeding women.
- Subjects who cannot read and/or write.
Exclusion
Key Trial Info
Start Date :
May 30 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
April 7 2026
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT06948188
Start Date
May 30 2025
End Date
April 7 2026
Last Update
April 29 2025
Active Locations (1)
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1
Chu de Montpellier
Montpellier, hérault, France, 34 295