At a glance
ClinicalIndex Comparison RecordN/ACompleted· 83 enrolled
Drug / intervention
Weight Loss +2 morebehavioral
Likely dose
Vitamin D 2500 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.
Nutritional Regulation of Bone - Aim 3
In Brief
A clinical study evaluating Weight Loss, Vitamin D 2500 IU, and 1 other intervention for Weight Loss and Vitamin D or Placebo. Completed, enrolled 83 participants across 1 site.
Detailed Summary
The purpose of this study is to learn how the amount of vitamin D supplementation influences intestinal fractional calcium absorption (a measure of the amount of calcium absorbed).
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsWeight Loss, Vitamin D or Placebo
CountriesUnited States
CollaboratorsNational Institute on Aging (NIA)
Timeline
N/ACompletedFinished
200720082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartMar 2007
First PostedMay 2007
Primary CompletionMay 2010
Study CompletionMar 2011
TodayJul 2026
First PostedMay 14, 2007
Enrollment StartMar 1, 2007
Primary CompletionMay 1, 2010
Study CompletionMar 1, 2011
TodayJul 2, 2026
Enrollment to primary: 3.2 yearsPosted 19.1 years ago
Interventions
Weight Lossbehavioral
Diet for weight loss for 6 weeks; all weight loss participants will attend 6 weekly counseling sessions (about 50 minutes per session)
Vitamin D 2500 IUdietary
Daily Vitamin D 2500 IU supplement for 6 weeks
Weight Maintenancebehavioral
Diet for weight maintenance for 6 weeks