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Comparison of Picosecond Pulsed Nd:YAG Laser and Fractional Laser for the Treatment of Acne Scars

Comparison of Picosecond Pulsed Nd:YAG Laser and Fractional Laser for the Treatment of Acne Scars

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03850925
Enrollment
25
Registered
2019-02-22
Start date
2019-05-01
Completion date
2020-04-22
Last updated
2026-08-26

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

Conditions

Acne Scars

Brief summary

This study compares the application of a picosecond 1064-nm laser with a diffractive lens array with nonablative fractional laser for the treatment of acne scarring.

Detailed description

This trial is a 17-week, prospective, randomized split-face study that compares the results between two facial sides either receiving the picosecond 1064-nm laser or nonablative fractional laser treatment for atrophic acne scar.

Interventions

PROCEDURELaser therapy

4 consecutive sessions of laser therapy

Sponsors

Dongtan Sacred Heart Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Split-face comparison study

Eligibility

Sex/Gender
ALL
Age
19 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Subjects with facial atrophic acne scars * Subjects who observe the schedules and protocols of the clinical trial * Subjects who give informed consent to participate in the clinical trial

Exclusion criteria

* Subjects who have active acne under treatment * Subjects who had received any other treatments for acne scarring for 6 months prior to the first treatment * Subjects who underwent other treatments including chemical, mechanical or laser resurfacing during the study period * Subjects who have current acute illness * Subjects who are considered inappropriate for the clinical trial under the judgement of investigators

Design outcomes

Primary

MeasureTime frameDescription
Changes in the mean of the ECCA grading scaleWeek 17The ECCA (échelle d'évaluation clinique des cicatrices d'acné) grading scale: minimum score 0; maximum score 270; higher values represent a worse outcome.

Countries

South Korea

Contacts

PRINCIPAL_INVESTIGATORGyeong-Hun Park, MD, PhD

Dongtan Sacred Heart Hospital, Hallym University College of Medicine

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 27, 2026