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ClinicalTrials.gov public records Last synced Oct 19, 2026, 6:37 PM EDT

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Showing 1–24 of 93 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Breast Density Clear all
Completed No phase listed Observational Accepts healthy volunteers

Effect of Tamoxifen on Breast Density in Premenopausal Women With Breast Cancer or High Risk for Breast Cancer

NCT00086749
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional

Effects of Tibilone on Bone Density, Menopause Symptoms and Breast Density in Women After Prophylactic Oophorectomy

NCT00165204
View directory record Official record
Conditions
Menopause, Postmenopausal Bone Loss, Breast Cancer
Interventions
Tibolone
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 21, 2007 · Synced Oct 19, 2026, 6:37 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Abbreviate or FAST Breast MRI for Supplemental Breast Cancer Screening for Black Women at Average Risk and Dense Breasts

NCT04854304
View directory record Official record
Conditions
Breast Diseases
Interventions
Fast Breast Abbreviated Magnetic Renounce Imaging
Diagnostic Test
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
40 Years to 75 Years · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Histology of Functional Density in Postmenopausal Breast

NCT01240278
View directory record Official record
Conditions
Dense Breasts, Breast Cancer
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational

Changes in Breast Density and Blood Hormone Levels in Postmenopausal Women Receiving Anastrozole or Exemestane for Breast Cancer

NCT00516698
View directory record Official record
Conditions
Breast Cancer
Interventions
polymorphism analysis, high performance liquid chromatography, laboratory biomarker analysis, radiomammography
Genetic · Other · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
180
States / cities
Augusta, Georgia • Aurora, Illinois • Bloomington, Illinois + 111 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 19, 2026, 6:37 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Development of a Quantitative Tissue Optical Index of Breast Density For Prediction of Hormone Therapy Response

NCT01773551
View directory record Official record
Conditions
Accessory; Breast Tissue
Interventions
Breast Density
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
21 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
4
States / cities
Costa Mesa, California • Irvine, California • Orange, California + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional Results available

Zoledronate or Observation in Maintaining Bone Mineral Density in Patients Who Are Undergoing Surgery to Remove Both Ovaries

NCT00305695
View directory record Official record
Conditions
Hereditary Breast and Ovarian Cancer Syndrome, Osteoporosis, Ovarian Carcinoma
Interventions
Laboratory Biomarker Analysis, Zoledronic Acid
Other · Drug
Lead sponsor
Gynecologic Oncology Group
Network
Eligibility
Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
95
States / cities
Scottsdale, Arizona • Tucson, Arizona • Burbank, California + 76 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational

The Ultrasound Study of Tamoxifen

NCT01582074
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
30 Years to 70 Years · Female only
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Not applicable Interventional

A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation

NCT05016310
View directory record Official record
Conditions
Breast, Breast Cancer, Osteoporosis
Interventions
High Dose Vitamin D, Standard of Care Vitamin D
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional

Letrozole in Preventing Breast Cancer in Postmenopausal Women Who Are at Increased Risk for Breast Cancer Due to High Breast Density

NCT00238316
View directory record Official record
Conditions
Breast Cancer
Interventions
letrozole, Placebo
Drug · Other
Lead sponsor
NCIC Clinical Trials Group
Network
Eligibility
Up to 120 Years · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Dual-energy (DE) Contrast-enhanced (CE) Digital Mammography

NCT02995980
View directory record Official record
Conditions
Breast Cancer
Interventions
Dual-Energy Contrast-Enhanced (DECE) mammography, digital mammography
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older · Female only
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional

Anastrozole in Treating Postmenopausal Women With DCIS or Stage I-III Breast Cancer

NCT00244959
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole, adjuvant therapy
Drug · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 19, 2013 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 4 Interventional Results available

Effect of Bisphosphonate on Bone Loss in Postmenopausal Women With Breast Cancer Initiating Aromatase Inhibitor Therapy

NCT00485953
View directory record Official record
Conditions
Bone Loss, Osteoporosis, Breast Cancer
Interventions
risedronate
Drug
Lead sponsor
Susan L. Greenspan
Other
Eligibility
55 Years and older · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 3 Interventional

Effects of Arzoxifene on Bone Fractures and Incidence of Breast Cancer

NCT00088010
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
Arzoxifene, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
60 Years to 85 Years · Female only
Enrollment
9,369 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Elk Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 2, 2010 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Breast Stem Cells in Women at Average Risk and Increased Risk for Breast Cancer

NCT00923377
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Bone Accrual and Hormones in Response to Lactation

NCT01563094
View directory record Official record
Conditions
Lactation
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
20 Years and older · Female only
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 19, 2026, 6:37 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Physical Activity, Proliferation and Immune Markers in Benign Breast Tissue

NCT03657628
View directory record Official record
Conditions
Breast Cancer
Interventions
Exercise Intervention
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Delphinus SoftVue Prospective Case Collection - ARM 1

NCT03257839
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Routine Full-Field Digital Mammography, Routine Digital Breast Tomosynthesis, Automated Whole Breast Ultrasound
Device
Lead sponsor
Delphinus Medical Technologies, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
7,409 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
10
States / cities
Los Angeles, California • Miami Beach, Florida • Savannah, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional Results available

NSAID Effects on Clinical and Imaging Breast Biomarkers

NCT01761877
View directory record Official record
Conditions
Inflammation, Cancer, Pain, Hypertension
Interventions
Sulindac
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
Up to 75 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Tucson, Arizona • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2023 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Behavioral and Psychological Impact of Returning Breast Density Results to Latinas

NCT02910986
View directory record Official record
Conditions
Breast Cancer
Interventions
Written educational brochure, Promotora interaction
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 74 Years · Female only
Enrollment
1,386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
3
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional Results available

Sulindac and Breast Density in Women at Risk of Developing Breast Cancer

NCT04542135
View directory record Official record
Conditions
Breast Cancer
Interventions
Sulindac Pill, Placebo
Drug
Lead sponsor
Alison Stopeck
Other
Eligibility
35 Years to 70 Years · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Los Angeles, California • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Soy Protein and Breast Cancer Risk Reduction

NCT00204477
View directory record Official record
Conditions
Breast Cancer
Interventions
soy milk, cow's milk
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
30 Years to 40 Years · Female only
Enrollment
321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Oct 19, 2026, 6:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Soy Isoflavones and Breast Cancer Risk Reduction

NCT00204490
View directory record Official record
Conditions
Breast Cancer
Interventions
isoflavones, carbohydrate
Dietary Supplement
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
30 Years to 42 Years · Female only
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 19, 2026, 6:37 PM EDT
Completed No phase listed Observational

Delphinus SoftVue Prospective Case Collection - ARM 2

NCT02977247
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Non-Interventional, Automated Whole Breast Ultrasound
Other · Device
Lead sponsor
Delphinus Medical Technologies, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
10
States / cities
Los Angeles, California • Miami Beach, Florida • Savannah, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 19, 2026, 6:37 PM EDT