Comparison of the Efficacy of Fractional Er:YAG Laser for Acne Scar

Comparitive Study of Efficacy and Safety Between Fractional Er:YAG Laser and Bipolar Radiofrequency Treatment for Acne Scar

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01958450

Enrollment

Registered

2013-10-09

Start date

2012-07-31

Completion date

2013-05-31

Last updated

2013-10-11

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

Conditions

Scar

Keywords

acne scar, Laser therapy, wound healing

Brief summary

Compare the efficacy of frational Er:YAG laser and that of bipolar frequency with diode laser treatment.

Detailed description

In acne scar treatment, ablational laser would be superior to nonablative laser treatment. Frational Er:YAG laser treatment is a effective treatment plan for acne scar without severe adverse effects.

Interventions

PROCEDUREEr:YAG laser

acne scar treatment using Er:YAG laser

PROCEDUREBipolar radiofrequency with diode laser

acne scar treatment with bipolar radiofrequency combined with diode laser

Study design

Allocation

RANDOMIZED

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

DOUBLE (Subject, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

19 Years to 40 Years

Healthy volunteers

Yes

Inclusion criteria

* moderate acne scar

Exclusion criteria

* taking steroids, nonsteroidal antiinflammatory drug, and isotretinoin * anyone who received acne scar procedures within 6 months * underlying diabetes mellitus, keloid, or malignancy

Design outcomes

Primary

Measure	Time frame	Description
Global asessment of acne scar	12 weeks	5 point grading of acne scar

Secondary

Measure	Time frame	Description
ECCA	12 weeks	quantative assessement of acne scar
adverse effect assessment	12 weeks	adverse effect assessment

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026