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NCT00585637 · ClinicalTrials.gov registry record · Phase 1
Vitamin D for Chemoprevention
A Phase 1 study, sponsored by Dana-Farber Cancer Institute.
- Completed
- Registry status
- Phase 1
- Development phase
- 328
- Enrollment target
NCT00585637: Completed Phase 1 study, sponsored by Dana-Farber Cancer Institute.
NCT00585637 is a Phase 1 study that has completed, run by Dana-Farber Cancer Institute. The registered enrollment target is 328 participants, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (447% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00585637, a Phase 1 study, has completed, sponsored by Dana-Farber Cancer Institute.
- COMPLETED
- Registry status
- Phase 1
- Development phase
- 328 participants
- Enrollment target
Study Summary
This study will help us know the effects of Vitamin D pills in Blacks. The results of this study may be the first step in creating ways to prevent the risks of colon and prostate cancer. It will also help us develop ways to reduce colon cancer and prostate cancer among Blacks. This study will find out if Vitamin D pills can increase Vitamin D to healthy levels in our bodies.
Primary Outcome
Among Blacks, identify a dose of oral vitamin D supplementation that will result in levels of plasma 25(OH)D that would be predicted to reduce colorectal cancer incidence. Community-based African Americans drawn from the Open Doors to Health, which is a colorectal cancer prevention study in 1554 subjects from 12 public-housing communities and community- and faith-based organizations in Boston.
Interventions
- DIETARY_SUPPLEMENT Placebo
- DRUG Vitamin D
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 328 participants |
| Start Date | 2007-10 |
| Est. Completion | 2013-12 |
| Phase | Phase 1 |
What the finished NCT00585637 record still lists
NCT00585637 is an interventional study that assigns participants to a tested intervention. The registered 328 participants enrollment target is mid-sized for trials with a published cap, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (447% higher).
The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.
NCT00585637 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00585637 about?
NCT00585637 is a clinical study titled "Vitamin D for Chemoprevention". This study will help us know the effects of Vitamin D pills in Blacks. The results of this study may be the first step in creating ways to prevent the risks of colon and prostate cancer. It will also help us develop ways to reduce colon cancer and prostate cancer among Blacks. This study will find o...
What is the current status of trial NCT00585637?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 328 participants. The study started on 2007-10. Estimated completion is 2013-12.
What interventions are being tested in trial NCT00585637?
The interventions under investigation include: Placebo (DIETARY_SUPPLEMENT), Vitamin D (DRUG).
Who is sponsoring clinical trial NCT00585637?
This trial is sponsored by Dana-Farber Cancer Institute, which has 781 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00585637's enrollment target sits among peer trials
328 111th of 2000 higher than 1,890 of 2,000 other Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 1 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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