Status:
COMPLETED
Sunlight Exposures Effect on Serum Vitamin D Levels
Lead Sponsor:
Creighton University
Conditions:
Vitamin D Deficiency
Eligibility:
All Genders
19-50 years
Phase:
NA
Brief Summary
When people eat a meal, some, but not all of the calcium in that meal is absorbed, that is, moved into the bloodstream. When the skin is exposed to sunlight during summer months, Vitamin D is made the...
Detailed Description
At the beginning of the study we will measure your height, weight, skin color, and draw blood to measure your blood levels of Vitamin D and 25-hydroxyvitamin D. Each subject will wear a swimming suit ...
Eligibility Criteria
Inclusion
- healthy males or females ages19-50 with "light" skin (self-assessed as Fitzpatrick skin type I-III) with minimal sun exposure and exogenous sources of vitamin D.
Exclusion
- less than 16 oz milk per day, less than 10 hours of sun per week, no Vitamin D supplements, no anticonvulsants, no barbiturates, no steroids, no meds that increase photosensitivity, no granulomatous disease, no liver or kidney disease, no history of skin cancer, and BMI less than 30.
Key Trial Info
Start Date :
July 1 2007
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
September 1 2007
Estimated Enrollment :
6 Patients enrolled
Trial Details
Trial ID
NCT00473317
Start Date
July 1 2007
End Date
September 1 2007
Last Update
April 1 2008
Active Locations (1)
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1
Creighton University
Omaha, Nebraska, United States, 68131