NCT00909454

Vitamin D Supplement Study for Adolescents

V.I.P. Feasibility Study (Vitamin D Intake Project)

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 45 (actual)
• Sponsor: Augusta University · Academic / Other
• Sex: All
• Age: 14 Years – 19 Years
• Healthy volunteers: Accepted

Summary

The purpose of this study is to determine if 14-19 year old African American adolescents are able to take a daily vitamin D supplement daily for about 4 months and how well a daily dose of 400 IU or 2000 IU vitamin D supplement raises their vitamin D blood level.

Detailed description

To determine the feasibility of African American teenagers taking a daily vitamin D supplement over a 4 month period in terms of compliance and practical implementation. 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

• Vitamin D Deficiency
• Overweight
• Obesity

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	2000 IU Vitamin D3 daily supplement	2000 IU vitamin D3 supplement to be taken once daily over 4 months
DIETARY_SUPPLEMENT	400 IU Vitamin D3 supplement	400 IU Vitamin D3 supplement to be taken daily over 4 months

Timeline

• Start date: 2009-02-01
• Primary completion: 2009-03-01
• Completion: 2009-06-01
• First posted: 2009-05-28
• Last updated: 2011-10-17

Locations

1 site across 1 country: United States