Status:
COMPLETED
Environmental & Genetic Influences on Vitamin D Status
Lead Sponsor:
Creighton University
Collaborating Sponsors:
Procter and Gamble
Conditions:
Vitamin D Deficiency
Eligibility:
All Genders
18-60 years
Brief Summary
The purpose of this study is to determine the effect of environmental and genetic influences on Vitamin D status.
Detailed Description
Vitamin D deficiency is a common problem. The principal source of vitamin D for humans is solar exposure, with cutaneous synthesis of vitamin D by photoconversion of 7-dehydrocholesterol in the skin t...
Eligibility Criteria
Inclusion
- Able to consent and come for a study visit.
- Male or female between ages 18-60.
- Sun exposure \>3 hours daily for at least 5 days weekly for the last 3 months.
Exclusion
- Unable to consent or come to a visit
- Taking Vitamin D supplements, anticonvulsants, barbiturates, steroids, having granulomatous disease, or liver or kidney disease as these medications and conditions interfere with Vitamin D metabolism.
- Related to another participant by blood.
Key Trial Info
Start Date :
August 1 2010
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
August 1 2010
Estimated Enrollment :
40 Patients enrolled
Trial Details
Trial ID
NCT01208636
Start Date
August 1 2010
End Date
August 1 2010
Last Update
September 24 2010
Active Locations (1)
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1
Creighton University
Omaha, Nebraska, United States, 68131