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NCT00516867 Clinical Trial

Does Sunbed Radiation With Mainly UVA Provoke Cutaneous Vitamin D Synthesis in Humans?

Healthy Clinical Trial

Official title:
Sunbed Radiation Provoke Cutaneous Vitamin D Synthesis in Humans, a Randomized Controlled Trial

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT00516867
Other study ID # KF 01 290815
Secondary ID
Status Completed
Phase N/A
First received August 14, 2007
Last updated August 15, 2007
Start date February 2006
Est. completion date April 2006

Study information
Verified date August 2007
Source Bispebjerg Hospital
Contact n/a
Is FDA regulated No
Health authority Denmark: National Board of Health
Study type Interventional

Clinical Trial Summary

We would investigate in a controlled, randomized open study in the winter season: 1) If serum levels of vitamin D (25(OH)D) increase in subjects treated with sunbed with sunlamps emitting mainly UVA and only 0·5% or 1·4% UVB compared to non-sunbed treated controls 2) If yes, are the 25(OH)D serum levels then dependent on the UVB dose?

Recruitment information / eligibility
Status Completed
Enrollment 41
Est. completion date April 2006
Est. primary completion date
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Healthy

- Females

- Above 50 years

- Younger with serum concentration of 25(OH)D below 50nmol/l

Exclusion Criteria:

- No sunbed use last ½ year

- No sun holiday last ½ year

- No intake of vitamin D above 10 microgram/day

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Related Conditions & MeSH terms

Intervention

Radiation:
• UV radiation
UV radiation with 99.5% UVA and 0.5%UVB
• UV radiation
UVB 1.4 % and UVA 98.6

Locations
Country Name City State
Denmark Bispebjerg Hospital Copenhagen

Sponsors (2)
Lead Sponsor Collaborator
Bispebjerg Hospital Hvidovre University Hospital

Country where clinical trial is conducted

Denmark, 

Outcome
Type Measure Description Time frame Safety issue
Primary Serum concentration of 25(OH)D 18 Days
Secondary Serum concentration of PTH 18 Days
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