Trials / Completed
CompletedNCT01101243
Maintenance of Vitamin D Level by UVB Radiation
How Much UVB Radiation is Necessary to Maintain Summer Vitamin D Level During Winter?
- Status
- Completed
- Phase
- N/A
- Study type
- Interventional
- Enrollment
- 75 (actual)
- Sponsor
- Bispebjerg Hospital · Academic / Other
- Sex
- All
- Age
- 18 Years – 65 Years
- Healthy volunteers
- Accepted
Summary
The purpose of the study is to determine the frequency of UVB radiations necessary to maintain the Vitamin D level during winter time.
Detailed description
The work is addressing vitamin D production after UVB exposure and explore how much UVB radiation which is necessary to maintain a sufficient vitamin D level during the winter period in Denmark. 4 different UVB exposure times and 2 different UVB doses to 2 different body surface areas.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| RADIATION | Broadband UVB | UVB dose: 1 SED every week |
| RADIATION | Broadband UVB | UVB dose: 4 SED every second week |
| RADIATION | Broadband UVB | UVB dose: 1 SED every second week |
| RADIATION | Broadband UVB | UVB dose: 1 SED every month |
| OTHER | Control group | No intervention |
Timeline
- Start date
- 2008-10-01
- Primary completion
- 2009-03-01
- Completion
- 2010-04-01
- First posted
- 2010-04-09
- Last updated
- 2010-04-09
Locations
1 site across 1 country: Denmark
Source: ClinicalTrials.gov record NCT01101243. Inclusion in this directory is not an endorsement.