# S0812 High Dose Cholecalciferol in Premenopausal Women at High-Risk for Breast Cancer

> **NCT01097278** · NA · COMPLETED · sponsor: **SWOG Cancer Research Network** · enrollment: 208 (actual)

## Conditions studied

- brca1 Mutation Carrier
- brca2 Mutation Carrier
- Breast Cancer

## Interventions

- **DIETARY_SUPPLEMENT:** cholecalciferol
- **OTHER:** placebo

## Key facts

- **NCT ID:** NCT01097278
- **Lead sponsor:** SWOG Cancer Research Network
- **Sponsor class:** NETWORK
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-11-01
- **Primary completion:** 2017-08
- **Final completion:** 2017-09
- **Target enrollment:** 208 (ACTUAL)
- **Last updated:** 2017-11-24

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01097278

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01097278, "S0812 High Dose Cholecalciferol in Premenopausal Women at High-Risk for Breast Cancer". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT01097278. Licensed CC0.

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