Affect of Dose Rate on UVR Induced Skin Erythema

The recruitment status of this study is unknown because the information has not been verified recently.
Verified November 2008 by Goldenhersh, Michael, M.D..
Recruitment status was  Not yet recruiting
Sponsor:
Information provided by:
Goldenhersh, Michael, M.D.
ClinicalTrials.gov Identifier:
NCT00785187
First received: November 3, 2008
Last updated: November 4, 2008
Last verified: November 2008

November 3, 2008
November 4, 2008
December 2008
February 2009   (final data collection date for primary outcome measure)
To examine the difference in erythemal response as a function of dose rate, and to assess the total amount of energy that is theoretically transmitted through a sunscreen within the range of SPF 2-10 [ Time Frame: end of study ] [ Designated as safety issue: Yes ]
Same as current
Complete list of historical versions of study NCT00785187 on ClinicalTrials.gov Archive Site
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Affect of Dose Rate on UVR Induced Skin Erythema
Randomized Open Crossover Study Researching Affect of Dose Rate on UVR Induced Skin Erythema

Purpose of study: Evaluation of the affect of dose rate on UVR induced skin erythema.

Study design: A single-center, prospective, randomized, crossover, open study.

Number of patients: 20-40

Patient population: Healthy volunteers

Control: Different sites on patients body

Procedure duration: Total 3-5 hours (4 visits)

Duration of follow up: 4 days

Duration of study: Up to 6 months

Primary objectives: To examine the difference in erythemal response as a function of dose rate, and to assess the total amount of energy that is theoretically transmitted through a sunscreen within the range of SPF 2-10.

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Interventional
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Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Open Label
Primary Purpose: Basic Science
Erythema
Device: exposure to UVB radiation
exposure to UVB radiation for limited time in order to establish subject's minimal erythema dose.
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Not yet recruiting
40
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February 2009   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • Fitzpatrick Skin types I-III.
  • Age 18-60.
  • Absence of obvious sun damage on the volar side of the forearm or other exposure sites.
  • Absence of exposure of the arms or other exposure sites to sunlight for two weeks prior to the experiment.

Exclusion Criteria:

  • History of skin cancer.
  • Multiple nevi or atypical nevi on the forearm.
  • Signs of sun damage on the volar side of the forearm or other exposure sites.
  • Mentally incompetent.
Both
18 Years to 60 Years
Yes
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NCT00785187
goldenhersh1
No
Dr. Michael Goldenhersh, Dr. Goldenhersh's Dermatology Clinic
Goldenhersh, Michael, M.D.
Not Provided
Not Provided
Goldenhersh, Michael, M.D.
November 2008

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP