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NCT00870961 · ClinicalTrials.gov registry record · NA
Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps
A NA study, sponsored by Northwestern University.
- Terminated
- Registry status
- NA
- Development phase
- 22
- Enrollment target
NCT00870961: Clinical Trial NA study, sponsored by Northwestern University.
NCT00870961 is a NA study that was terminated before completion, run by Northwestern University. The registered enrollment target is 22 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00870961, a NA study, was terminated before completion, sponsored by Northwestern University.
- TERMINATED
- Registry status
- NA
- Development phase
- 22 participants
- Enrollment target
Study Summary
RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming. The use of vitamin D may keep colorectal cancer from forming in patients with colon polyps. PURPOSE: This randomized phase I trial is studying a vitamin D supplement to see how well it works compared with a placebo in preventing colorectal cancer in African Americans with colon polyps.
Interventions
- OTHER placebo
- DIETARY_SUPPLEMENT cholecalciferol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 22 participants |
| Start Date | 2009-02 |
| Est. Completion | 2012-06 |
| Phase | NA |
Why NCT00870961 stopped before completion
NCT00870961 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 22 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 2 interventions - of which placebo is the first listed.
NCT00870961 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00870961 about?
NCT00870961 is a clinical study titled "Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps". RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming. The use of vitamin D may keep colorectal cancer from forming in patients with colon polyps. PURPOSE: This randomized phase I trial is studying a vitamin D supplement to see how well it works compared with a placebo ...
What is the current status of trial NCT00870961?
This trial is currently terminated. It is a NA study. The enrollment target is 22 participants. The study started on 2009-02. Estimated completion is 2012-06.
What interventions are being tested in trial NCT00870961?
The interventions under investigation include: placebo (OTHER), cholecalciferol (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00870961?
This trial is sponsored by Northwestern University, which has 1,209 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00870961's enrollment target sits among peer trials
22 1756th of 2000 higher than 239 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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