Treatment of Acne Keloidalis Nuchae (Razor Bumps Behind the Neck) Using UV Light Therapy

This study has been completed.
Skin of Color Society
Information provided by (Responsible Party):
Ginette Okoye, MD, Johns Hopkins University Identifier:
First received: March 31, 2011
Last updated: May 19, 2014
Last verified: May 2014
This study is being done to evaluate the effect of targeted UV-B (a component of sunlight) on the treatment of acne keloidalis nuchae (AKN, or razor bumps on the back of the neck). The investigators believe targeted UV-B is a safe and effective way to reduce the appearance of AKN.

Condition Intervention
Acne Keloidalis Nuchae
Radiation: Targeted UV-B

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Single Blind (Investigator)
Primary Purpose: Treatment
Official Title: Improving Acne Keloidalis Nuchae by Inducing Matrix Metalloproteinases in Vivo Using Targeted Ultraviolet-B Irradiation

Resource links provided by NLM:

Further study details as provided by Johns Hopkins University:

Primary Outcome Measures:
  • Percentage Change in Total AKN Lesions From Baseline to Week 16. [ Time Frame: Baseline to Week 16 ] [ Designated as safety issue: No ]
    To determine if treatment of AKN with targeted ultraviolet B radiation will improve the clinical appearance of lesions.

Enrollment: 11
Study Start Date: February 2011
Study Completion Date: August 2012
Primary Completion Date: August 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Targeted UV-B Radiation: Targeted UV-B
Daavlin Lumera phototherapy device (290-320 nm), dosed by patients' individual minimal erythema dose (MED)


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • age 18 or over
  • male gender
  • African-American or other black ethnicity
  • current diagnosis of acne keloidalis nuchae (razor bumps on back of neck)

Exclusion Criteria:

  • allergy to lidocaine or numbing medicine
  • history of increased sensitivity to sunlight, lupus, or porphyria
  • current use of a drug that increases sensitivity to sunlight
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Please refer to this study by its identifier: NCT01328080

United States, Maryland
Johns Hopkins Dept. of Dermatology
Baltimore, Maryland, United States, 21287
Sponsors and Collaborators
Johns Hopkins University
Skin of Color Society
  More Information

Additional Information:
Responsible Party: Ginette Okoye, MD, Assistant Professor, Johns Hopkins University Identifier: NCT01328080     History of Changes
Other Study ID Numbers: NA_00035842 
Study First Received: March 31, 2011
Results First Received: April 21, 2014
Last Updated: May 19, 2014
Health Authority: United States: Institutional Review Board

Additional relevant MeSH terms:
Acne Keloid
Acneiform Eruptions
Collagen Diseases
Connective Tissue Diseases
Hair Diseases
Skin Diseases processed this record on May 22, 2016