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NCT00292591 · ClinicalTrials.gov registry record · Phase 3
Evaluation of Vitamin D Requirements During Pregnancy
A Phase 3 study, sponsored by Medical University of South Carolina.
- Completed
- Registry status
- Phase 3
- Development phase
- 501
- Enrollment target
NCT00292591: Completed Phase 3 study, sponsored by Medical University of South Carolina.
NCT00292591 is a Phase 3 study that has completed, run by Medical University of South Carolina. The registered enrollment target is 501 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (35% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00292591, a Phase 3 study, has completed, sponsored by Medical University of South Carolina.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 501 participants
- Enrollment target
Study Summary
The purpose of this study is to determine the effectiveness of vitamin D supplementation during pregnancy starting at the beginning of the second trimester. Mothers will be randomized to one of three vitamin D dosing groups: 400, 2,000 or 4,000 international units per day. It is hypothesized that the highest dosing regimen will result in a better vitamin D status of women regardless of their ethnicity or race.
Primary Outcome
Circulating total 25(OH)D concentration measured in serum at visit 7, one month prior to delivery
Interventions
- DRUG cholecalciferol (vitamin D3)
- DRUG cholecalciferol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 501 participants |
| Start Date | 2004-01 |
| Est. Completion | 2010-01 |
| Phase | Phase 3 |
What the finished NCT00292591 record still lists
NCT00292591 is an interventional study that assigns participants to a tested intervention. The registered 501 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (35% lower).
The record links to 0 conditions, and to 2 interventions - of which cholecalciferol (vitamin D3) is the first listed.
NCT00292591 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00292591 about?
NCT00292591 is a clinical study titled "Evaluation of Vitamin D Requirements During Pregnancy". The purpose of this study is to determine the effectiveness of vitamin D supplementation during pregnancy starting at the beginning of the second trimester. Mothers will be randomized to one of three vitamin D dosing groups: 400, 2,000 or 4,000 international units per day. It is hypothesized that th...
What is the current status of trial NCT00292591?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 501 participants. The study started on 2004-01. Estimated completion is 2010-01.
What interventions are being tested in trial NCT00292591?
The interventions under investigation include: cholecalciferol (vitamin D3) (DRUG), cholecalciferol (DRUG).
Who is sponsoring clinical trial NCT00292591?
This trial is sponsored by Medical University of South Carolina, which has 755 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00292591's enrollment target sits among peer trials
501 743rd of 2000 higher than 1,257 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 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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