Laser Treatment of Acne Scars in Fitzpatrick Skin Types III-VI

Inclusion criteria

• 18 years or older with Fitzpatrick Skin Type III, IV, V or VI
• Evidence of atrophic scarring

Exclusion criteria

• Pregnancy, lactating or planning to become pregnant during the study
• History of cutaneous photosensitization, porphyria, and hypersensitivity to porphyrins or photodermatosis
• Any skin pathology or condition that could interfere with the evaluation or requires the use of interfering topical or systemic therapy
• Any condition which, in the investigator's opinion, would make it unsafe for the subject to participate
• Currently enrolled in an investigational drug or device trial, or has received an investigational drug or been treated with an investigational device within 30 days prior to entering the study
• Subject is unable to communicate or cooperate with the investigator due to language problems, poor mental development, or impaired cerebral function
• Subject may be unreliable for the study. This includes subjects who engage in excessive alcohol intake or drug abuse, or subjects who are unable to return for scheduled follow-up visits
• Use of oral or topical isotretinoin therapy within 6 months prior to enrollment. With the exception of isotretinoin, subjects will be allowed to continue their topical or oral acne medications during the trial
• Need to be exposed to artificial tanning devices or excessive sunlight during the trial
• Prior treatment with parenteral gold therapy
• Diabetes Type I or II, Lupus, Scleroderma or a similar immune system disorder
• Subject does not agree to refrain from any other type of facial skin resurfacing (e.g., microdermabrasion, laser or IPL treatment, chemical peel) or injected filler/other substances (e.g., Restylane, Botox) that might affect the treatment area for the duration of the study
• Underlying silicone or other nonabsorbable fillers in the treatment area or has had filler (e.g., collagen, fat) injections within the past 3 months
• History of keloidal scarring or nodulocystic acne
• Phenol or chemical peel or dermabrasion to the the treatment area within the past 6 months