# Vitamin D, Diet and Activity Study

> **NCT01240213** · NA · COMPLETED · sponsor: **Fred Hutchinson Cancer Center** · enrollment: 218 (actual)

## Conditions studied

- Breast Cancer
- Obesity
- Hypovitaminosis D

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT01240213
- **Lead sponsor:** Fred Hutchinson Cancer Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-10
- **Primary completion:** 2012-08
- **Final completion:** 2012-09
- **Target enrollment:** 218 (ACTUAL)
- **Last updated:** 2013-08-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01240213

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01240213, "Vitamin D, Diet and Activity Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01240213. Licensed CC0.

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