Treatment of Atrophic Acne Scars With a Fractional CO2 Laser at 1 Versus 3 Months Intervals

Treatment of Atrophic Acne Scars With a Fractional CO2 Laser at 1 Versus 3 Months Intervals. A Randomized Controlled Trial With Blinded Response Evaluations

To compare efficacy and adverse effects of fractional CO2 laser of acne scars treatment with 1 versus 3 months intervals

Change in scar texture evaluated by blinded evalutaions. Appearance of erythema, oedema, pigmentation, infection after treatment

Inclusion Criteria:

• Have Fitzpatrick skin type I-III. (•Are male or female.
• Are between 18 and 60 years of age.
• Mild to severe acne scarring.
• Are able to read, understand, and sign the Informed Consent.
• Are willing and able to comply with all follow-up requirements -

Exclusion Criteria:

• Have had active localized or systemic infections within 6 months of enrollment
• Have compromised ability for wound healing, such as: malnutrition, oral steroid use, history of collagen vascular disease (e.g. lupus, scleroderma, history of keloid formation (raised and thickened scars), atrophic dermatitis (extreme skin irritation or itchiness) or immunologic abnormalities such as vitiligo (white patches of skin due to loss of pigment)
• Have been treated with lasers, chemical procedures, or other cosmetic procedures on the area to be treated within 6 months of enrollment
• Pregnancy