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Investigating the Safety and Efficacy of the 1927-nm Thulium Laser in Keratosis Pilaris
Sponsor: Johns Hopkins University
Summary
Keratosis pilaris (KP) is a very common skin condition that affects up to 80% of adolescents and 40% of adults. Clinically, KP causes rough dry patches and tiny spiny bumps around the hair follicles, as well as redness and pigmentation changes, most often on the upper arms, thighs, cheeks, or buttocks. While KP is benign, it can be cosmetically very bothersome. Currently, treatment options for KP are limited, and consist of topical moisturizers and keratolytic agents, but often leads to suboptimal improvements. In literature, many laser treatment modalities for KP have been studied, with varying results. The primary aim of this pilot study is to investigate how KP, a predominantly follicular disorder, responds to treatment with the 1927-nm Thulium laser.
Official title: Investigating the Safety and Efficacy of the 1927-nm Thulium Laser for Soft Tissue Coagulation in Keratosis Pilaris
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
25
Start Date
2025-10-23
Completion Date
2026-12
Last Updated
2025-11-26
Healthy Volunteers
Yes
Conditions
Interventions
1927-nm Thulium Laser therapy
The investigators will use the LaseMD LEO Laser System (1927-nm Thulium laser) to create controlled, localized microscopic treatment zones (MTZs) of thermal injury to treatment area (unilateral upper arm). The investigators will utilize the random mode using the C1 tip (spot size 200 micrometers), which involves irradiation of the entire upper arm until diffuse erythema and edema appear. Additionally, the investigators may use the C5 tip (350 micrometers spot size) for focused treatment, up to five passes, until coagulation becomes evident. The maximum fluence for all C1 tip is 3-60 J/cm2 and 1-20 J/cm2 for C5 tips. The maximum pulse energy is 20 J with a pulse duration of 20 ms.
Locations (1)
Johns Hopkins University
Baltimore, Maryland, United States