# Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

> **NCT01052051** · PHASE2,PHASE3 · COMPLETED · sponsor: **Creighton University** · enrollment: 2303 (actual)

## Conditions studied

- Cancer

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D3
- **DIETARY_SUPPLEMENT:** Calcium carbonate

## Key facts

- **NCT ID:** NCT01052051
- **Lead sponsor:** Creighton University
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-06
- **Primary completion:** 2015-08
- **Final completion:** 2015-08
- **Target enrollment:** 2303 (ACTUAL)
- **Last updated:** 2019-07-24

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01052051

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01052051, "Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT01052051. Licensed CC0.

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