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NCT00920621 · ClinicalTrials.gov registry record · Phase 3
Randomized Trial: Maternal Vitamin D Supplementation to Prevent Childhood Asthma (VDAART)
A Phase 3 study, sponsored by Brigham and Women's Hospital.
- Completed
- Registry status
- Phase 3
- Development phase
- 876
- Enrollment target
NCT00920621: Completed Phase 3 study, sponsored by Brigham and Women's Hospital.
NCT00920621 is a Phase 3 study that has completed, run by Brigham and Women's Hospital. The registered enrollment target is 876 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (13% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00920621, a Phase 3 study, has completed, sponsored by Brigham and Women's Hospital.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 876 participants
- Enrollment target
Study Summary
Vitamin D supplementation given to pregnant women will prevent asthma in their offspring and children.
Primary Outcome
Parental report of physician diagnosis of asthma or occurrence of recurrent wheeze in the child's first 3 years of life ascertained from questionnaires administered every 3 months. \*For some variables the "negative" count incorporates "negative and indeterminate."
Interventions
- DIETARY_SUPPLEMENT Vitamin D3
- DIETARY_SUPPLEMENT Vitamin D 3 cholecalciferol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 876 participants |
| Start Date | 2009-09 |
| Est. Completion | 2023-08 |
| Phase | Phase 3 |
What the finished NCT00920621 record still lists
NCT00920621 is an interventional study that assigns participants to a tested intervention. The registered 876 participants enrollment target is mid-sized for trials with a published cap, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (13% higher).
The record links to 0 conditions, and to 2 interventions - of which Vitamin D3 is the first listed.
NCT00920621 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00920621 about?
NCT00920621 is a clinical study titled "Randomized Trial: Maternal Vitamin D Supplementation to Prevent Childhood Asthma (VDAART)". Vitamin D supplementation given to pregnant women will prevent asthma in their offspring and children.
What is the current status of trial NCT00920621?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 876 participants. The study started on 2009-09. Estimated completion is 2023-08.
What interventions are being tested in trial NCT00920621?
The interventions under investigation include: Vitamin D3 (DIETARY_SUPPLEMENT), Vitamin D 3 cholecalciferol (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00920621?
This trial is sponsored by Brigham and Women's Hospital, which has 937 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00920621's enrollment target sits among peer trials
876 372nd of 2000 higher than 1,629 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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