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ClinicalTrials.gov public records Last synced Oct 25, 2026, 11:08 PM EDT

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Showing 1–24 of 97 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Breast Density Clear all
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 25, 2026, 11:08 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 25, 2026, 11:08 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 25, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Molecular Breast Imaging and Digital Breast Tomosynthesis in Screening Patients With Dense Breast Tissue

NCT03220893
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Digital Breast Tomosynthesis (DBT), Scintimammography
Procedure · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 75 Years · Female only
Enrollment
3,023 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
5
States / cities
Detroit, Michigan • Rochester, Minnesota • Toledo, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 25, 2026, 11:08 PM EDT
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 25, 2026, 11:08 PM EDT
Terminated Not applicable Interventional

MRI Evaluation of the Breast Areolar Margin and Paryenchyma

NCT01300585
View directory record Official record
Conditions
Breast Cancer
Interventions
MRI
Other
Lead sponsor
Piedmont Healthcare
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 5, 2014 · Synced Oct 25, 2026, 11:08 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 25, 2026, 11:08 PM EDT
Not listed Phase 2 Interventional

Statins and Breast Cancer Biomarkers

NCT00914017
View directory record Official record
Conditions
Breast Cancer
Interventions
Atorvastatin, Placebo
Drug
Lead sponsor
University of Vermont
Other
Eligibility
35 Years to 55 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
7
States / cities
San Francisco, California • Newark, Delaware • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2010 · Synced Oct 25, 2026, 11:08 PM EDT
Completed No phase listed Observational

Breast Cancer, Breast Disease, and Pesticides

NCT00341315
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
35 Years to 80 Years · Female only
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 1, 2020 · Synced Oct 25, 2026, 11:08 PM EDT
Recruiting Phase 2 Interventional

5-strain Probiotic Formulation in HR-positive Breast Cancer Receiving Aromatase Inhibitor to Prevent Bone Loss

NCT07044310
View directory record Official record
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Hormone Receptor-Positive Breast Carcinoma
Interventions
Biospecimen Collection, Bone Mineral Density Test, Questionnaire Administration, WBF-038
Procedure · Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 25, 2026, 11:08 PM EDT
Completed No phase listed Observational

Genetics of Mammographic Appearances and Patterns (The GenMap Study)

NCT01160510
View directory record Official record
Conditions
Benign Breast Disease
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Not applicable Interventional Results available

ENGAGED 2 Study: Experiences With Mammography Screening and Breast Density 2

NCT03029286
View directory record Official record
Conditions
Breast Density, Breast Cancer Female
Interventions
Usual Care Arm, Personalized Web Intervention Arm
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
40 Years to 69 Years · Female only
Enrollment
995 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 25, 2026, 11:08 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Study of Breast Tissue in Women Not Previously Diagnosed With Breast Cancer Who Are Undergoing Fine Needle Aspiration

NCT00896636
View directory record Official record
Conditions
Breast Cancer, Healthy, no Evidence of Disease
Interventions
Random fine need aspiration (rFNA), Mammogram
Procedure · Other
Lead sponsor
Northwestern University
Other
Eligibility
35 Years to 60 Years · Female only
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 31, 2020 · Synced Oct 25, 2026, 11:08 PM EDT
Completed No phase listed Observational

Effect of Bazedoxifene, Raloxifene, and Placebo on Breast Density

NCT00418236
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 63 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
10
States / cities
San Diego, California • Upland, California • Meridian, Idaho + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2010 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Periodic Screening of Women With Denser Breast Using WBUS and DBT

NCT02643966
View directory record Official record
Conditions
Breast Cancer
Interventions
Whole breast ultrasound
Device
Lead sponsor
Wendie Berg
Other
Eligibility
40 Years to 75 Years · Female only
Enrollment
6,266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Green Tea and Reduction of Breast Cancer Risk

NCT00917735
View directory record Official record
Conditions
Breast Cancer
Interventions
Green tea extract supplement, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
1,075 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
5
States / cities
Edina, Minnesota • Maple Grove, Minnesota • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2016 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Letrozole With or Without Zoledronate in Treating Healthy Postmenopausal Women With High Breast Density

NCT00114270
View directory record Official record
Conditions
Breast Cancer, Osteoporosis
Interventions
letrozole, zoledronic acid
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2013 · Synced Oct 25, 2026, 11:08 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 25, 2026, 11:08 PM EDT
Completed No phase listed Observational

Screening of Bone Mineral Density in Women Who Have Received Chemotherapy

NCT00603551
View directory record Official record
Conditions
Bone Density, Cancer
Interventions
Not listed
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older · Female only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 19, 2018 · Synced Oct 25, 2026, 11:08 PM EDT
Recruiting No phase listed Observational

Observational Study of Bone Complications in People With Post-menopausal Breast Cancer Who Have Stopped Treatment With Denosumab and Aromatase Inhibitors

NCT05590949
View directory record Official record
Conditions
Breast Cancer
Interventions
Physical Evaluation, Dual-energy X-ray absorptiometry scans, Trabecular Bone Score
Other · Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Phase 3 Interventional

Effects of Zometa and Physical Activity on Bone Density in Women Receiving Chemotherapy for Breast Cancer

NCT00202059
View directory record Official record
Conditions
Breast Cancer
Interventions
Zoledronic acid, Physical activity intervention
Drug · Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
40 Years to 55 Years · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Saint Louis Park, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Lifestyle Factors and Hormone Function on Breast Density in Healthy Hispanic Women Who Are Undergoing Mammography for Breast Cancer Screening

NCT00131950
View directory record Official record
Conditions
Breast Cancer
Interventions
physiologic testing, study of socioeconomic and demographic variables, breast imaging study, study of high risk factors
Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Not applicable Interventional

Study of Bone Mineral Density in Postmenopausal Women After Treatment for Breast Cancer

NCT00587925
View directory record Official record
Conditions
Breast Cancer, Osteoporosis
Interventions
Bone Mineral Density
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
3
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 26, 2009 · Synced Oct 25, 2026, 11:08 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Vitamin D in Postmenopausal Women at High Risk for Breast Cancer

NCT00859651
View directory record Official record
Conditions
Breast Cancer
Interventions
Cholecalciferol, Placebo capsule
Drug
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2017 · Synced Oct 25, 2026, 11:08 PM EDT