Pigmentation
Conditions
Brief summary
A total of 20 healthy subjects at a single site, aged 21-70 years old with congenital or acquired challenging/resistant, age/sun-related flat and benign hand pigmentation who wish to improve their skin appearance.
Interventions
PiQo4 Laser System for treatment of hand pigmentation
Sponsors
Study design
Eligibility
Inclusion criteria
* Healthy Female/Male. * Age= 21-70 (Adults). * Fitzpatrick skin phototype = I-V * Congenital or acquired benign pigmentation on hands. * Presence of at least three (3) lesions with similar pigmentation intensity in the treatment area in diameters larger than 2 mm. * Able to read, understand and provide written Informed Consent. * Able and willing to comply with the treatment/follow-up schedule and requirements. * Women of child-bearing potential are required to use a reliable method of birth control (such as an intrauterine device, birth control pills, condom with spermicidal, NuvaRing, partner with vasectomy, Implanon or other FDA-approved devices, or abstinence) during the course of the study.
Exclusion criteria
* History of post inflammatory pigmentary disorders, particularly a tendency for hyper- or hypo-pigmentation. * Tanning (artificial or natural) 1 month prior first treatment and during the entire study duration including follow-up. * Excessive underlying vascular conditions (e.g. dense network of capillaries). * Pregnant, intending to become pregnant during the course of study, less than 3 months postpartum or less than 3 months after completion of breastfeeding. * Prior skin laser, light or other energy device treatment in treated area within 6 months of initial treatment or during the course of the study. * Prior ablative resurfacing procedure in treated area with laser or other devices within 12 months of initial treatment or during the course of the study. * Prior treatment with medium-depth or deeper, chemical peels or dermabrasion in treated area within 3 months of initial treatment or during the course of the study. * Any other surgery in treated area within 9 months of initial treatment or during the course of the study. * Hypersensitive to light exposure or the use of photosensitive medication for which light exposure is contraindicated. * Multiple dysplastic nevi or suspicious pigmentation in area to be treated. * Presence of underlying tattoo in the treatment area. * Significant concurrent illness (e.g. uncontrolled diabetes) or any disease state that in the opinion of the Investigator would interfere with the treatment or healing process.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Hands pigmentation change assessed by investigator | 1 month follow up | Hands pigmentation change assessed by investigator at the 1 month follow up using the 5-point Pigment Improvement Score where score of between 0 and 4 will be assigned (0- No improvement in pigmentation, 1- Trace to mild improvement of some lesions, 2- Moderate response: some lesions lighter, 3- Good response: most lesions much lighter and 4- Excellent response- Most or all lesions much lighter or gone. |
Countries
United Kingdom