At a glance
ClinicalIndex Comparison RecordN/ACompleted· 56 enrolled
Drug / intervention
Supplemental Vitamin Ddrug
Likely dose
Supplemental Vitamin D 200 IUfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Clinical Trial of Vitamin D Supplementation in Healthy Adolescents
In Brief
A clinical study evaluating Supplemental Vitamin D for Vitamin D Supplementation. Completed, enrolled 56 participants across 1 site.
Detailed Summary
This double blind, randomized controlled trial compares two supplemental doses of vitamin D in health adolescents.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsVitamin D Supplementation
CountriesUnited States
Collaborators--
Timeline
N/ACompletedFinished
200920102011201220132014201520162017201820192020202120222023202420252026
Enrollment StartNov 2008
First PostedMay 2010
Primary CompletionJun 2011
TodayJul 2026
First PostedMay 20, 2010
Enrollment StartNov 1, 2008
Primary CompletionJun 1, 2011
TodayJul 2, 2026
Enrollment to primary: 2.6 yearsPosted 16.1 years ago
Interventions
Supplemental Vitamin Ddrug
Subjects were randomized to either take 200 IU of vitamin D or 1000 IU of vitamin D daily for 11 weeks and labs were compared before and after.