Erythema index caused by comedone extraction after pulsed-dye laser treatment pulsed-dye laser, comedone extraction, erythema, acne
Conditions
Interventions
On the PDL-treated side, 595-nm PDL (10-ms pulse duration, 7-mm spot size and 8-J/cm2 fluence) was delivered to the entire side with an additional shot on the extracted sites,PDL sham
PDL,Sham
Sponsors
Ratchadapiseksompotch Fund
No study secondary sponsor
Eligibility
Sex/Gender
All
Age
12 Years to 25 Years
Inclusion criteria
Inclusion criteria: 1.healthy acne participants 2.aged between 12 and 25 years 3.mild to moderate acne severity according to the CASS (grade 2 and 3) 2.able to complete the study.
Exclusion criteria
Exclusion criteria: 1.recent facial laser or light therapy within 3 months 2.use of systemic retinoids within 6 months 3.signs of androgen excess 4.current medication intakes The washout periods to avoid external confounding effects were 2 weeks (topical acne treatments), 4 weeks (oral antibiotics), and 12 weeks (contraceptive medication).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Erythema due to comedone extraction 2 and 4 weeks after PDL Erythema index measured by mexameter | — |
Secondary
| Measure | Time frame |
|---|---|
| acne severity (CASS), acne lesion counts and patients' satisfaction 2 and 4 weeks after PDL comprehensive acne severity scale, acne lesion counts and numeric rating scale, respectively | — |
Countries
Thailand
Contacts
Public ContactSusheera Chatproedprai
Division of Pediatric Dermatology, Department of Pediatrics, Faculty of Medicine, CU
Outcome results
None listed