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Comparative Effectiveness and Safety of Fractional Laser and Fractional Radiofrequency for Atrophic Acne Scars: A Retrospective Propensity Score Analysis

Comparison of the clinical improvement & safety between fractional laser and fractional radiofrequency treatment among patients with atrophic acne scar: a retrospective study in Thailand

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20240426008
Enrollment
222
Registered
2024-04-26
Start date
2024-01-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

acne scarring acne scarring

Interventions

Acne scarring treated with Fractional laser,Acne scarring treated Fractional RF
Treatment,Treatment
Fractional laser group ,Fractional RF group

Sponsors

None listed

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: 1. Patients who were diagnosed with facial atrophic acne scar of any type, including icepick, boxcar, and rolling scars, by the physician 2. Received at least three laser treatment sessions (with a single modality: fractional laser or fractional radiofrequency) within 2012-2023 at Siriraj hospital 3. Aged 18-60 years old

Exclusion criteria

Exclusion criteria: 1. Missing clinical photographs at baseline and last laser treatment

Design outcomes

Primary

MeasureTime frame
Clinical improvement of laser treatment after 2nd laser treatment, 1-month, 3-month, 5 month clinical improvement from laser treatment in facial acne scar assessed by dermatologist using Clinical improvement grading by dermatology in percentage 0-100%

Secondary

MeasureTime frame
Adverse events from laser treatment after 2nd laser treatment, 1-month, 3-month, 5 month Number of adverse events including pain score, post-inflammatory hyperpigmentation (PIH), Skin infection, and scaring

Countries

Thailand

Contacts

Public ContactChadakan Yan

Chaing Mai University

chadakanyan4090@gmail.com0882334090

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026