Status:
COMPLETED
Environmental 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
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...
Detailed Description
Purpose of the study: To determine the effect of environmental influences on Vitamin D status. Specific Aims 1. To measure the prevailing 25D and Vitamin D levels in communities at diverse latitudes...
Eligibility Criteria
Inclusion
- Able to consent and come for a study visit. Male or female males and females ages 18-60.
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.
Key Trial Info
Start Date :
July 1 2008
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
August 1 2008
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT00780247
Start Date
July 1 2008
End Date
August 1 2008
Last Update
October 27 2008
Active Locations (1)
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1
Alaska Kidney and Diabetes Associates
Anchorage, Alaska, United States, 99508