Vitamin D for Chemoprevention
Public ClinicalTrials.gov record NCT00585637. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Defining Optimal Doses of Vitamin D for Chemoprevention in Blacks.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
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.
Study identification
- NCT ID
- NCT00585637
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 328 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 30 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 30, 2007
- Primary completion
- Sep 30, 2010
- Completion
- Nov 30, 2013
- Last update posted
- Mar 31, 2015
2007 – 2013
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02115 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00585637, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 31, 2015 · Synced Sep 17, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00585637 live on ClinicalTrials.gov.