Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women
Public ClinicalTrials.gov record NCT01052051. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To determine the effect of increasing serum 25(OH)D from prevailing levels with vitamin D3 supplementation, while maintaining adequate calcium intake, on incidence of all-type cancer in a population sample of healthy postmenopausal women.
Study identification
- NCT ID
- NCT01052051
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Enrollment
- 2,303 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 55 Years and older
- Sex
- Female
- 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
- Jun 2009 (Type not available)
- Primary completion
- Aug 2015 (Actual)
- Completion
- Aug 2015 (Actual)
- Last update posted
- Jul 24, 2019
2009 – 2015
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Fremont Area Medical Center | Fremont | Nebraska | 68025 | — |
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 NCT01052051, 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 Jul 24, 2019 · Synced Oct 26, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01052051 live on ClinicalTrials.gov.