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Efficacy of botulinum toxin A for the management of melasma: A split-face, randomized control study

Phase 4
Recruiting
Conditions
Clinical diagnosis of melasma with symmetrical involvement of both malar areas
Melasma
Registration Number
TCTR20240721002
Lead Sponsor
Division of Dermatology, Department of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
30
Inclusion Criteria

1. Age more than or equal to 18 years
2. Clinical diagnosis of melasma with symmetrical involvement of both malar areas
3. Willingness to comply with the study protocol and follow-up visits

Exclusion Criteria

1. Active skin infection or inflammation at the treatment sites
2. Open wounds at the treatment sites
3. Known allergy to study medications
4. Neuromuscular disorders
5. Uncontrolled acne vulgaris
6. History of recurrent herpes infection
7. Use of topical melasma treatments within 1 month or systemic/injectable treatments within 3 months
8. Facial procedures (laser, dermabrasion, peeling, radiofrequency, micro-focused ultrasound) within 6 months
9. Facial botulinum toxin injections within 6 months
10. pregnancy or lactation

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Efficacy of botulinum toxin A for the management of melasma Evaluation at 0, 2, 4, 8, 12, 16, 20 and 24 weeks Visia, Antera 3D, Colorimeter, MASI score on malar area (MASIm), GAIS score, and patient satisfaction
Secondary Outcome Measures
NameTimeMethod
Efficacy of botulinum toxin A for a beneficial effect in melasma treatment and prevention of melasma recurrence Evaluation at 0, 2, 4, 8, 12, 16, 20 and 24 weeks Visia, Antera 3D, Colorimeter, MASI score on malar area (MASIm), GAIS score, and patient satisfaction
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