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Clinical Trial Summary

To report the safety and efficacy of 1064nm low fluence laser hair reduction for the treatment of pseudofolliculitis barbae


Clinical Trial Description

Pseudofolliculitis barbae (PFB) is an acneiform eruption of the bearded area usually seen in dark-skinned individuals with thick, tightly curled hair. Typically, the hair shafts curve back directly into adjacent skin or the shaft penetrates through the follicular epithelium into the superficial dermis. The subsequent foreign body inflammatory reaction leads to discomfort, pigment alteration, infection, scarring and a potential decreased ability to shave. PFB continues to be a significant problem in the military with tremendous cost to the US Government, both in direct treatment of the condition as well as indirectly due to the loss of man-hours in personnel training, clinic visits, and ultimately, administrative separation.

Chemical depilatories, topical corticosteroids, topical retinoids, topical antibiotics, and eflornithine hydrochloride cream are helpful in the management of PFB. Growing a beard is usually curative; however in the military a clean shaven face is required. Since 1984, the US Navy has not allowed the wearing of beards, noting that facial hair may interfere with the proper fitting of protective gear used against biochemical warfare agents, or in the case of oxygen mask or breathing apparatus. In refractory cases, permanent laser hair removal with the long-pulse Nd:YAG has been shown to decrease the severity of PFB in dark skinned individuals. This wavelength is safe, effective, and due to its increased penetration, allows for increased ratio of hair bulb to epidermal heating in patients with Fitzpatrick skin type IV through VI.

Traditional 1064nm laser fluences (defined here as 22-40 J/cm2) for a normal bearded subject produce significant discomfort. Blistering and subsequent pigmentary changes have been reported in patients with type V-VI skin.7 Patients often require topical anesthesia with prolonged application times, ranging from 45 to 90 minutes. Treatments are usually scheduled every four to six weeks and in the military, these are conducted by trained physicians at major treatment facilities. Theoretically, the aim of the 1064nm laser treatment is long lasting or permanent hair reduction via conductive thermal diffusion causing lethal damage to the hair bulb and bulge area from the melanosome-containing hair shaft and matrix. However, in patients treated at the highest possible fluence eventually become symptomatic within 12 to 18 months of their final treatment.

The purpose of this study was to determine if PFB could be mitigated with a weekly treatment protocol. We evaluated a1064nm Nd:YAG laser using a fluence of 12J/cm2 in patients with PFB and Fitzpatrick skin types IV, V and VI. ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00402129
Study type Interventional
Source United States Naval Medical Center, San Diego
Contact
Status Completed
Phase N/A
Start date January 2006
Completion date May 2006

See also
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Completed NCT03043534 - Pre-Shave Gel and Brush in Pseudofolliculitis Barbae N/A
Completed NCT00176995 - Effect of 15% Eflornithine Hydrochloride Cream on African-American Males With Pseudofolliculitis Barbae Phase 2
Withdrawn NCT04220502 - Magic Shave Powder Gold's Affects on the Occurrence of Pseudofolliculitis Barbae Early Phase 1