A study of onabotulinum toxin type A for the treatment of ultraviolet B-induced hyperpigmentation: a prospective, randomized, controlled trial
Phase 3
Completed
- Conditions
- VB-induced hyperpigmentationUVB, hyperpigmentation, onabotulinum toxin
- Registration Number
- TCTR20211111002
- Lead Sponsor
- Division of Dermatology, Department of medicine, Faculty of Medicine, Ramathibodi hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 15
Inclusion Criteria
Healthy subjects older than 18-year-old
Exclusion Criteria
the subjects who have the serious underlying diseases, pregnancy, active skin diseases, allergic reaction to BoNT-A, history of photosensitive disorders, and ongoing use of topical medications or laser procedures at the experimental sites
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method mean lightness index 0, 7, 21, 28, 35-week colorimeter
- Secondary Outcome Measures
Name Time Method improvement score 35-week blinded physician