ClinicalTrials.gov record
Not listed Not applicable Interventional Accepts healthy volunteers

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

ClinicalTrials.gov ID: NCT02239874

Public ClinicalTrials.gov record NCT02239874. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 7, 2026, 9:37 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

THE EFFECTS OF VITAMIN D ON MAMMOGRAPHIC DENSITY AND BREAST TISSUE

Study identification

NCT ID
NCT02239874
Recruitment status
Not listed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Brigham and Women's Hospital
Other
Enrollment
3,894 participants

Conditions and interventions

Interventions

  • Fish oil and vitamin D placebo Dietary Supplement
  • Vitamin D and fish oil Dietary Supplement
  • Vitamin D and fish oil placebo Dietary Supplement
  • Vitamin D placebo and fish oil placebo Dietary Supplement

Dietary Supplement

Eligibility (public fields only)

Age range
55 Years to 67 Years
Sex
Female
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 30, 2012
Primary completion
Feb 28, 2022
Completion
Sep 30, 2023
Last update posted
Apr 6, 2022

2012 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Brigham and Women's Hospital Boston Massachusetts 02115

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02239874, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 6, 2022 · Synced May 7, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02239874 live on ClinicalTrials.gov.

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