MedTrace Logo

Vitamin D Needs of Early Adolescent Children

NCT00931580 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 323

Last updated 2015-09-25

No results posted yet for this study

Summary

While a large percentage of children have low blood vitamin D levels, the significance of these low levels and the impact on health is unclear. The purpose of this project is to determine the effects of varying doses of vitamin D supplementation over 12 weeks on blood indicators of health in white and black children, aged 9 to 13 years, from both the northern and southern US.

Conditions

  • Healthy

Interventions

DIETARY_SUPPLEMENT

Vitamin D3

vitamin D3 supplementation at 400 IU vs 1,000 IU vs 2,000 IU vs 4,000 IU vs placebo for 12-weeks

Sponsors & Collaborators

  • Purdue University

    collaborator OTHER

  • Indiana University School of Medicine

    collaborator OTHER

  • University of Georgia

    lead OTHER

Principal Investigators

  • Richard D Lewis, PhD · The University of Georgia

Study Design

Allocation
RANDOMIZED
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
9 Years
Max Age
13 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2009-10-31
Primary Completion
2011-04-30
Completion
2011-04-30

Countries

  • United States

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00931580 on ClinicalTrials.gov