At a glance
ClinicalIndex Comparison RecordPhase 4Completed· 34 enrolled
Drug / intervention
Placebo +1 moredrug
Likely dose
Not stated in 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.
Impact of Vitamin D Supplementation on Strength and Lean Mass Accumulation During an Exercise Intervention
In Brief
A Phase 4 clinical trial evaluating Vitamin D and Placebo for Obesity and 2 related conditions. Completed, enrolled 34 participants across 1 site.
Detailed Summary
The study was designed to assess the effects of vitamin D supplementation during exercise training on body composition, muscle function, and glucose tolerance. The investigators hypothesis for these studies is that vitamin D supplementation enhances exercise-induced increases in strength and lean mass, potentially through enhancing insulin sensitivity and reducing inflammation.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsObesity, Insulin Resistance, Inflammation
CountriesUnited States
Collaborators--
Timeline
Phase 4CompletedFinished
2009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartAug 2008
Primary CompletionJul 2009
Study CompletionFeb 2010
First PostedSep 2010
TodayJul 2026
First PostedSep 13, 2010
Enrollment StartAug 1, 2008
Primary CompletionJul 1, 2009
Study CompletionFeb 1, 2010
TodayJul 2, 2026
Enrollment to primary: 11 monthsPosted 15.8 years ago
Interventions
Vitamin Ddietary
4000 IU of vitamin D per day for 12 weeks.
Placebodrug
Placebo (microcrystalline cellulose) ingestion each day for 12 weeks.