Expired Study
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Sacramento, California 95816


DPN is a disorder among darkly pigmented patients, manifested by small, benign, variants of seborrheic keratoses, predominantly on the face. The purpose of this study is to determine the efficacy of a 585 nm PDL for the treatment of Dermatosis Papulosa Nigra, and compare it to therapy with curettage (scraping the lesions off) and electrodesiccation (burning the lesions off).


Inclusion Criteria: - Over 18 years of age. - Able to give informed consent. - Desires removal of lesions. - Willing to come back for six week follow-up. - Willing to fill out post operative questionnaire. - At least 4 lesions less than 7 mm. - Diagnosis of Dermatosis Papulosa Nigra (DPN) Exclusion Criteria: - Less than 18 years of age. - Pregnant. - Sensitive to laser energy. - History of Collagen Vascular Disorders. - History of Keloids. - History of post inflammatory hyperpigmentation. - Incarcerated. - Unable to give informed consent. - Unable to follow up for post operative evaluation. - Unable to complete patient visual analogue scale. - Unable to understand consent process or risks. - Unable to accept risk of scar, infection, minor bleeding, permanent or prolonged hyperpigmentation and hypopigmentation.



Primary Contact:

Principal Investigator
Daniel Eisen, M.D.
University of California, Davis

Backup Contact:


Location Contact:

Sacramento, California 95816
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: October 09, 2019

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