Completed NA INTERVENTIONAL 4-arm NCT00710203

Dermatosis Papulosa Nigra (DPN)

Efficacy of a 585 nm Pulsed Dye Laser (PDL) for the Treatment of Dermatosis Papulosa Nigra, and Compare it to Therapy With Curettage and Electrodesiccation.

Sponsor: University of California, Davis

Conditions Facial Dermatoses Seborrheic Keratoses

Interventions Curettage Electrodesiccation No treatment Pulsed dye laser

Updated 7 times since 2017 Last updated: Apr 6, 2015 Started: Jul 31, 2008 Primary completion: Dec 31, 2009 Completion: Dec 31, 2009

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Facial Dermatoses and Seborrheic Keratoses, this trial is completed. The trial is conducted by University of California, Davis and has accumulated 7 data snapshots since 2008. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

7 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2023 — Jul 2024 [monthly]

Completed NA
Dec 2022 — Jan 2023 [monthly]

Completed NA
Jan 2021 — Dec 2022 [monthly]

Completed NA

▶ Show 2 earlier versions

Jun 2018 — Jan 2021 [monthly]

Completed NA
Jan 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Jul 2008

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of California, Davis

Data source: University of California, Davis

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Sacramento, United States