Status:
COMPLETED
Evaluating for Contact Allergies in Patients With Chronic Urticaria
Lead Sponsor:
Tufts Medical Center
Collaborating Sponsors:
American Contact Dermatitis Society (ACDS)
Conditions:
Urticaria
Patch Testing
Eligibility:
All Genders
Brief Summary
Hives affects 10-25% of the population worldwide at some time during their lifetime. Hives are itchy transient swellings of the skin lasting 4-36 hours. Chronic urticaria is defined as hives that have...
Detailed Description
Study Visits: Patients will be seen on Day #0, which will be a Monday, and the study will be explained. If they agree to participate, consent will be signed and they will be interviewed to determine a...
Eligibility Criteria
Inclusion
- Patients must have a documented diagnosis of chronic urticaria, which is defined as:
- urticaria (hives), in which each individual lesion lasts less than 48 hours,
- urticaria which occurs several times per week,
- urticaria which has lasted in this manner for a minimum of 6 weeks.
- Referring physicians will be asked to provide this documentation, and patients will be asked to confirm these characteristics. Patients should have already undergone a workup to exclude other causes of their urticaria, and if any abnormalities have been encountered, these abnormalities would need to be insufficient to explain the extent of their urticaria.
Exclusion
- Those patients with an explanation for their chronic urticaria.
- Patients may have their test postponed if they are currently using topical steroids to the area to be tested, or are taking prednisone or its equivalent daily.
- Due to PI moving locations, no additional information available.
Key Trial Info
Start Date :
December 1 2008
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
January 1 2011
Estimated Enrollment :
23 Patients enrolled
Trial Details
Trial ID
NCT00868036
Start Date
December 1 2008
End Date
January 1 2011
Last Update
September 11 2019
Active Locations (1)
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1
Tufts Medical Center, Department of Dermatology
Boston, Massachusetts, United States, 02111