# VITamin D and OmegA-3 TriaL: Effects on Mammographic Density and Breast Tissue

> **NCT02239874** · NA · UNKNOWN · sponsor: **Brigham and Women's Hospital** · enrollment: 3894 (estimated)

## Conditions studied

- Benign Breast Disease

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D and fish oil placebo
- **DIETARY_SUPPLEMENT:** Fish oil and vitamin D placebo
- **DIETARY_SUPPLEMENT:** Vitamin D placebo and fish oil placebo
- **DIETARY_SUPPLEMENT:** Vitamin D and fish oil

## Key facts

- **NCT ID:** NCT02239874
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2012-07
- **Primary completion:** 2022-03
- **Final completion:** 2023-10
- **Target enrollment:** 3894 (ESTIMATED)
- **Last updated:** 2022-04-07

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02239874

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02239874, "VITamin D and OmegA-3 TriaL: Effects on Mammographic Density and Breast Tissue". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02239874. Licensed CC0.

---

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