# Study of Vitamin D Supplementation Tailored to Vitamin D Deficiency in Breast Cancer Patients

> **NCT01480869** · PHASE3 · COMPLETED · sponsor: **Institut du Cancer de Montpellier - Val d'Aurelle** · enrollment: 215 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **DRUG:** calcium and cholecalciferol
- **DRUG:** calcium and cholecalciferol

## Key facts

- **NCT ID:** NCT01480869
- **Lead sponsor:** Institut du Cancer de Montpellier - Val d'Aurelle
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-07
- **Primary completion:** 2014-12
- **Final completion:** 2014-12
- **Target enrollment:** 215 (ACTUAL)
- **Last updated:** 2026-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01480869

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01480869, "Study of Vitamin D Supplementation Tailored to Vitamin D Deficiency in Breast Cancer Patients". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01480869. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*