A Clinical Evaluation of a Novel Multi-Wavelength Laser for Benign Pigmented Lesion Removal

The purpose of this investigation is to evaluate the safety and efficacy of an investigational version of the Cutera enlightenTM laser for benign pigmented lesion (BPL) removal. Currently, the enlightenTM laser offers two wavelengths: 532nm KTP and 1064nm Nd:YAG. The version of the laser under investigation allows the user to choose from a range of wavelengths.

Inclusion criteria

• Female or Male, 18 to 65 years of age (inclusive).
• Fitzpatrick Skin Type I - III (Appendix 3).
• Clinical diagnosis of benign pigmented lesions located on the hand, body or face.
• Presence of 5 or more benign pigmented lesions in the treatment area, ranging in diameter from 2 to 8 mm.
• Has not used any prescription or over-the-counter topical creams (such as hydroquinone, retinoids or corticosteroids) in the designated treatment area within 4 weeks of enrollment in the study and is willing to refrain from use for the duration of the study.
• Subject must be able to read, understand and sign the Informed Consent Form.
• Must be willing and able to adhere to the treatment and follow-up schedule and post-treatment care instructions.
• Wiling to cover treated area or have very limited sun exposure and use an approved sunscreen of SPF 50 or higher on the treated area starting 2 to 4 weeks before the treatment and every day for the duration of the study, including the follow-up period.
• Willing to have digital photographs taken of the treatment area and agree to use of photographs for presentation, educational or marketing purposes.
• Agree to not undergo any other procedure(s) for the treatment of BPL during the study.
• Post-menopausal or surgically sterilized, or using a medically acceptable form of birth control at least 3 months prior to enrollment and during the entire course of the study, and no plans to become pregnant for the duration of the study.

Exclusion criteria

• Participation in a clinical trial of another device or drug within 6 months prior to enrollment or during the study.
• Any type of prior cosmetic treatment to the target area within 6 months of study participation, such as chemical peel, laser or light-based procedure, or surgery.
• Presence of pre-malignant or malignant lesion in the treatment area (such as, but not limited to pigmented actinic keratosis, lentigo maligna or lentigo maligna melanoma) or history of a pre-malignant or malignant lesion in the treatment area.
• Shows signs of actinic bronzing and/or excessively tanned in areas to be treated, and unable or unlikely to refrain from tanning during the study (for example, subject's occupation requires regular sun exposure).
• Skin abnormalities in the target area, e.g., cuts, scrapes, wounds, scars, large moles.
• Pregnant and/or breastfeeding.
• Having an infection, dermatitis or a rash in the treatment area.
• Significant concurrent illness, such as diabetes mellitus or cardiovascular disease, e.g., uncontrolled hypertension.
• Suffering from coagulation disorders or taking prescription anticoagulation medications.
• History of keloid scarring, hypertrophic scarring or of abnormal wound healing.
• History of immunosuppression/immune deficiency disorders or currently using immunosuppressive medications.
• History of vitiligo, eczema, or psoriasis.
• History of connective tissue disease, such as systemic lupus erythematosus or scleroderma.
• History of seizure disorders due to light.
• Any use of medication that is known to increase sensitivity to light according to Investigator's discretion.
• History of disease stimulated by heat, such as recurrent herpes simplex and/or herpes zoster (shingles) in the treatment area, unless treatment is conducted following a prophylactic regimen
• History of radiation to the treatment area or undergoing systemic chemotherapy for the treatment of cancer.
• History of pigmentary disorders, particularly tendency for hyper- or hypo-pigmentation.
• Systemic use of corticosteroid or isotretinoin within 12 months of study participation.
• Anytime in life, having have used gold therapy (gold salts) for disorders such as rheumatologic disease or lupus.
• Current smoker or history of smoking within 6 months of study participation.
• As per the Investigator's discretion, any physical or mental condition which might make it unsafe for the subject to participate in this study.