The purpose of this research study is to evaluate the safety and effectiveness of a new investigational laser device for treatment of acne scarring, for improvement in the appearance of surface texture and topography (recessed or uneven surfaces).
Thirty subjects between two research locations with an acne scar severity score greater than 4 will receive up to 3 treatments with an FDA IDE and Institutional Review Board approved 10,600nm fractional carbon dioxide laser system. Improvement of acne scarring is evaluated at 1 month and 3 months post-treatment. Post-treatment responses evaluated are immediate erythema, immediate edema, and any other immediate responses. Evaluations are conducted immediate post treatment and one week post-treatment. Key safety data include the severity scoring of post-treatment responses, as well as by photodocumentation. The incidence of side effects such as scarring, pigmentary changes, etc. are evaluated at follow-up visits one and three months post-treatment. Key safety data include the incidence rates and severity scoring of side effects, as well as by photodocumentation
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
15
1-3 laser treatments using 20-100 millijoules (mJ) with 100-400 microscopic treatment zones (MTZ)/cm2 per pass and total density of 600-1200 MTZ/cm2
UC Irvine Dermatology Clinical Research Center
Irvine, California, United States
Overall Improvement of Acne Scarring
Subject assessment of the percent improvement of acne scarring compared to baseline and based on the quartile scale (0: no improvement; 1: 1-25% improvement; 2: 26-50%; 3: 51-75%; 4: 76-100% improvement).
Time frame: Baseline, 1 month and 3 months post-treatment
Average Improvement in Surface Texture
Subject assessment of the percent improvement of surface texture compared to baseline and based on the quartile scale (0: no improvement; 1: 1-25% improvement; 2: 26-50%; 3: 51-75%; 4: 76-100% improvement).
Time frame: Baseline, 1 month and 3 months post-treatment
Degree of Atrophy
Subject assessment of the percent improvement in extent of atrophy compared to baseline and based on the quartile scale (0: no improvement; 1: 1-25% improvement; 2: 26-50%; 3: 51-75%; 4: 76-100% improvement).
Time frame: Baseline, 1 month and 3 months post-treatment
Pain Tolerance
The average pain score reported over all three treatments was 5.67, corresponding to "moderate" pain based on a 10-point scale. The pain score is recorded on a 10-point scale, with 0 being "no pain" and 10 being "worst pain imaginable." All subjects reported that any discomfort associated with the procedure was only during active intervention and resolved immediately post-procedure. Increased pain scores correlated with increased density, but not increased energy.
Time frame: At treatment visit (up to 3 visits)
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