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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Breast Density Clear all
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 29, 2023 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Not applicable Interventional

Exemestane in Reducing Breast Density in Postmenopausal Women at Risk for Breast Cancer

NCT00066586
View directory record Official record
Conditions
Breast Cancer
Interventions
exemestane, Placebo
Drug
Lead sponsor
NCIC Clinical Trials Group
Network
Eligibility
Up to 120 Years · Female only
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
8
States / cities
Jacksonville, Florida • Boston, Massachusetts • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Jun 11, 2026, 4:23 AM EDT
Active, not recruiting Phase 2 Interventional

Vitamin D and Physical Activity on Bone Health

NCT01419730
View directory record Official record
Conditions
Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
Interventions
Vitamin D3, Physical Activity
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jun 11, 2026, 4:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dedicated Breast CT for Quantitative Breast Density Measurements in Mexican-origin Women in Southern Arizona

NCT04799665
View directory record Official record
Conditions
Metabolic Syndrome, Obesity Associated Disorder
Interventions
Breast CT
Diagnostic Test
Lead sponsor
University of Arizona
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Jun 11, 2026, 4:23 AM 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 18, 2010 · Synced Jun 11, 2026, 4:23 AM 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 Apr 30, 2020 · Synced Jun 11, 2026, 4:23 AM 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 25, 2013 · Synced Jun 11, 2026, 4:23 AM EDT
Not listed Phase 3 Interventional

Prevention of Breast Cancer: As Simple as hCG-A Randomized Clinical Trial in High Risk Women

NCT00808522
View directory record Official record
Conditions
Breast Cancer
Interventions
hCG
Drug
Lead sponsor
New York Presbyterian Hospital
Other
Eligibility
30 Years to 75 Years · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2008 · Synced Jun 11, 2026, 4:23 AM EDT
Terminated Not applicable Interventional

Effect of a Low Glycemic Index Diet on Breast Density

NCT01237938
View directory record Official record
Conditions
Breast Cancer
Interventions
Low Glycemic Diet
Behavioral
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2014 · Synced Jun 11, 2026, 4:23 AM 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 15, 2024 · Synced Jun 11, 2026, 4:23 AM 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 25, 2009 · Synced Jun 11, 2026, 4:23 AM 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 29, 2025 · Synced Jun 11, 2026, 4:23 AM EDT
Completed No phase listed Observational

Anastrozole and Letrozole

NCT00762294
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
UConn Health
Other
Eligibility
40 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 14, 2011 · Synced Jun 11, 2026, 4:23 AM 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 20, 2007 · Synced Jun 11, 2026, 4:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Histology of Functional Density in Premenopausal Breast

NCT01588834
View directory record Official record
Conditions
Dense Breasts, Breast Cancer
Interventions
breast biopsy
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 55 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 19, 2016 · Synced Jun 11, 2026, 4:23 AM EDT
Not yet recruiting Phase 2 Interventional

Mammogram Pretreatment With Ulipristal Acetate

NCT07434128
View directory record Official record
Conditions
Mammography Screening, Breast Density
Interventions
Biospecimen Collection, Magnetic Resonance Imaging, Mammogram, Survey Administration, Ulipristal Acetate
Procedure · Other · Drug
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Jun 11, 2026, 4:23 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Ph I/II of Vitamin D on Bone Mineral Density & Markers of Bone Resorption

NCT00904423
View directory record Official record
Conditions
Breast Cancer, Bone Diseases
Interventions
Vitamin D
Drug
Lead sponsor
Mark Pegram
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2017 · Synced Jun 11, 2026, 4:23 AM EDT
Completed No phase listed Observational Results available

Study Evaluating Changes In Mammographic Breast Density

NCT00774267
View directory record Official record
Conditions
Osteoporosis
Interventions
BZA 20 mg/CE 0.45 mg, BZA 20 mg/CE 0.625 mg, Raloxifene 60 mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 75 Years · Female only
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
22
States / cities
Fort Myers, Florida • Gainesville, Florida • New Port Richey, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Jun 11, 2026, 4:23 AM 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 26, 2017 · Synced Jun 11, 2026, 4:23 AM 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 1, 2010 · Synced Jun 11, 2026, 4:23 AM 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 27, 2020 · Synced Jun 11, 2026, 4:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Changes in Breast Density and Breast Cancer Risk in Women With Breast Cancer and in Healthy Women

NCT00445445
View directory record Official record
Conditions
Breast Cancer
Interventions
physiologic testing, screening questionnaire administration, breast imaging study, radiomammography, study of high risk factors
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
40 Years and older · Female only
Enrollment
2,201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
8
States / cities
Cleveland, Ohio • Mayfield Heights, Ohio • Mentor, Ohio + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Jun 11, 2026, 4:23 AM EDT
Completed Phase 2 Interventional

Evaluation of Chemotherapy Prior to Surgery With or Without Zometa for Women With Locally Advanced Breast Cancer

NCT00242203
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Zometa, Epirubicin, Docetaxel, Trastuzumab, External beam radiation, Modified radical mastectomy or breast conserving surgery with axillary lymph node dissection
Drug · Radiation · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 12, 2013 · Synced Jun 11, 2026, 4:23 AM 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 24, 2019 · Synced Jun 11, 2026, 4:23 AM EDT