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NCT01537809 · ClinicalTrials.gov registry record · NA
Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study]
A NA study, sponsored by Tufts University.
- Completed
- Registry status
- NA
- Development phase
- 691
- Enrollment target
NCT01537809: Completed NA study, sponsored by Tufts University.
NCT01537809 is a NA study that has completed, run by Tufts University. The registered enrollment target is 691 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (51% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01537809, a NA study, has completed, sponsored by Tufts University.
- COMPLETED
- Registry status
- NA
- Development phase
- 691 participants
- Enrollment target
Study Summary
The purpose of this research is to determine what supplemental doses of vitamin D may be necessary to raise serum levels to optimal levels and how vitamin D supplementation and changes in vitamin D status impact cardiovascular risk factors in schoolchildren.
Primary Outcome
Subjects will be randomized to receive one of three doses of vitamin D3. Baseline serum 25(OH)D levels will be compared to serum 25(OH)D at 3 and 6 months. Safety Issue?: (FDAAA) No
Interventions
- DIETARY_SUPPLEMENT Vitamin D3
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 691 participants |
| Start Date | 2011-06 |
| Est. Completion | 2013-12 |
| Phase | NA |
What the finished NCT01537809 record still lists
NCT01537809 is an interventional study that assigns participants to a tested intervention. The registered 691 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (51% lower).
The record links to 0 conditions, and to 1 intervention - of which Vitamin D3 is the first listed.
NCT01537809 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01537809 about?
NCT01537809 is a clinical study titled "Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study]". The purpose of this research is to determine what supplemental doses of vitamin D may be necessary to raise serum levels to optimal levels and how vitamin D supplementation and changes in vitamin D status impact cardiovascular risk factors in schoolchildren.
What is the current status of trial NCT01537809?
This trial is currently completed. It is a NA study. The enrollment target is 691 participants. The study started on 2011-06. Estimated completion is 2013-12.
What interventions are being tested in trial NCT01537809?
The interventions under investigation include: Vitamin D3 (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT01537809?
This trial is sponsored by Tufts University, which has 163 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01537809's enrollment target sits among peer trials
691 151st of 2000 higher than 1,850 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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