Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
45 participants
INTERVENTIONAL
2009-02-28
2009-06-30
Brief Summary
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Detailed Description
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To determine the differences in response in blood 25-OH D level between those randomly assigned to taking a 400 IU supplement versus 2000 IU per day and to determine if there are differences in blood 25-OH D level response depending on subject gender and overweight/obese versus healthy-weight status.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
SINGLE
Study Groups
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Daily 2000 IU vitamin D supplement
2000 IU Vitamin D3 daily supplement
2000 IU vitamin D3 supplement to be taken once daily over 4 months
Daily Vitamin D supplement 400 IU
400 IU Vitamin D3 supplement
400 IU Vitamin D3 supplement to be taken daily over 4 months
Interventions
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2000 IU Vitamin D3 daily supplement
2000 IU vitamin D3 supplement to be taken once daily over 4 months
400 IU Vitamin D3 supplement
400 IU Vitamin D3 supplement to be taken daily over 4 months
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* Pregnancy
* Medications that affect study outcome measures
* Use of other vitamin and/or mineral supplement or herbal supplements
* Individuals of other races
14 Years
19 Years
ALL
Yes
Sponsors
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Augusta University
OTHER
Responsible Party
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Yanbin Dong
Professor
Principal Investigators
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Yanbin Dong, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Augusta University
Locations
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Georgia Prevention Institute at Medical College of Georgia
Augusta, Georgia, United States
Countries
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References
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Dong Y, Stallmann-Jorgensen IS, Pollock NK, Harris RA, Keeton D, Huang Y, Li K, Bassali R, Guo DH, Thomas J, Pierce GL, White J, Holick MF, Zhu H. A 16-week randomized clinical trial of 2000 international units daily vitamin D3 supplementation in black youth: 25-hydroxyvitamin D, adiposity, and arterial stiffness. J Clin Endocrinol Metab. 2010 Oct;95(10):4584-91. doi: 10.1210/jc.2010-0606. Epub 2010 Jul 21.
Other Identifiers
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0901159
Identifier Type: -
Identifier Source: org_study_id