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NCT00550563 · ClinicalTrials.gov registry record · NA
DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D Supplements
A NA study, sponsored by Roswell Park Cancer Institute.
- Completed
- Registry status
- NA
- Development phase
- 50
- Enrollment target
NCT00550563: Completed NA study, sponsored by Roswell Park Cancer Institute.
NCT00550563 is a NA study that has completed, run by Roswell Park Cancer Institute. The registered enrollment target is 50 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00550563, a NA study, has completed, sponsored by Roswell Park Cancer Institute.
- COMPLETED
- Registry status
- NA
- Development phase
- 50 participants
- Enrollment target
Study Summary
RATIONALE: Studying samples of blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. PURPOSE: This clinical trial is studying changes in DNA that affect vitamin D metabolism in patients with colorectal cancer receiving vitamin D supplements.
Interventions
- GENETIC protein expression analysis
- GENETIC polymerase chain reaction
- GENETIC polymorphism analysis
- GENETIC reverse transcriptase-polymerase chain reaction
- DIETARY_SUPPLEMENT cholecalciferol
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 50 participants |
| Start Date | 2007-08 |
| Est. Completion | 2010-07 |
| Phase | NA |
What the finished NCT00550563 record still lists
NCT00550563 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 50 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower).
The record links to 0 conditions, and to 5 interventions - of which protein expression analysis is the first listed.
NCT00550563 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00550563 about?
NCT00550563 is a clinical study titled "DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D Supplements". RATIONALE: Studying samples of blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. PURPOSE: This clinical trial is studying changes in DNA that affect vitamin D metabolism in patients with colorecta...
What is the current status of trial NCT00550563?
This trial is currently completed. It is a NA study. The enrollment target is 50 participants. The study started on 2007-08. Estimated completion is 2010-07.
What interventions are being tested in trial NCT00550563?
The interventions under investigation include: protein expression analysis (GENETIC), polymerase chain reaction (GENETIC), polymorphism analysis (GENETIC), reverse transcriptase-polymerase chain reaction (GENETIC), cholecalciferol (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00550563?
This trial is sponsored by Roswell Park Cancer Institute, which has 365 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00550563's enrollment target sits among peer trials
50 1279th of 2000 higher than 622 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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