Association of TLR7 Gene rs3853839 Polymorphism With Disease Severity in Alopecia Areata: A Case-Control Study
NCT07454876 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 120
Last updated 2026-03-06
Summary
Alopecia areata is an autoimmune, non-scarring hair loss disorder characterized by variable clinical severity. Toll-like receptor 7 (TLR7) plays a key role in innate immune activation and autoimmune responses. The rs3853839 polymorphism of the TLR7 gene has been implicated in immune-mediated diseases. This study aims to evaluate the association between TLR7 rs3853839 polymorphism and susceptibility to alopecia areata, and to assess its correlation with disease severity measured by the Severity of Alopecia Tool (SALT) score.
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
Conditions
- Alopecia Areata
- TLRs
Sponsors & Collaborators
-
Benha University
lead OTHER
Eligibility
- Min Age
- 18 Years
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2022-12-01
- Primary Completion
- 2023-12-10
- Completion
- 2023-12-12
Countries
- Egypt
Study Locations
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