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Breast Cancer clinical trials

Directory of U.S. ClinicalTrials.gov public records for Breast Cancer. Browse Breast Cancer recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.

By Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced October 19, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 19, 2026, 5:05 AM EDT

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

Official matching trials
678
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12
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Recently updated
Condition scope
Breast Cancer
Additional filters apply within this condition.

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

How Breast Cancer studies are organized in the registry

Breast cancer listings are usually subtype-specific: receptor status appears directly in titles and condition fields, so subtype terms narrow results far better than stage words alone. Many studies also restrict to either early-stage or metastatic settings, which is visible in the title or eligibility section of the official record.

Terms that often appear in related listings
triple-negative HER2-positive hormone receptor-positive metastatic breast cancer

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

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These controls apply only within Breast Cancer. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 493–504 of 678 matching trials for Breast Cancer.
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Live official records

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Completed Not applicable Interventional

Auricular Point Acupressure to Self-Manage Chronic Pain or Aromatase Inhibitor Musculoskeletal Symptoms in Breast Cancer Survivors: Effectiveness and Scientific Underpinnings

NCT03697200
View directory record Official record
Conditions
Aromatase Inhibitor, Musculoskeletal Symptoms, Postmenopausal Breast Cancer Survivors
Interventions
APA, Sham APA control, Education control
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Completed Not applicable Interventional

Non-Hormonal Vaginal Moisturizer in Hormone-Receptor Positive Postmenopausal Cancer Survivors Experiencing Estrogen Deprivation Symptoms on Vulvovaginal Health

NCT01738152
View directory record Official record
Conditions
Breast Cancer, Endometrial Cancer
Interventions
HLA vaginal gel (HyaloGYN®),, questionnaires
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated Not applicable Interventional Results available

F-18 FES PET/CT in Measuring Hormone Expression in Patients With Primary, Recurrent, or Metastatic Breast Cancer Undergoing Endocrine-Targeted Therapy

NCT02149173
View directory record Official record
Conditions
Estrogen Receptor Positive, Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Computed Tomography, F-18 16 Alpha-Fluoroestradiol, Fludeoxyglucose F-18, Laboratory Biomarker Analysis, Positron Emission Tomography
Procedure · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study of GDC-0810 Single Agent or in Combination With Palbociclib and/or a Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Women With Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer

NCT01823835
View directory record Official record
Conditions
Breast Cancer
Interventions
GDC-0810, LHRH Agonist, Palbociclib
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
8
States / cities
San Diego, California • Boston, Massachusetts • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Understanding Barriers to Initiation and Adherence to Endocrine Therapy in Young Breast Cancer Survivors of Diverse Backgrounds

NCT03447886
View directory record Official record
Conditions
Breast Cancer
Interventions
Phone interview
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated Phase 2 Interventional Results available

Evaluation of an Anti-cancer Immunotherapy Combined With Standard Neoadjuvant Treatment in Patients With WT1-positive Primary Invasive Breast Cancer

NCT01220128
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
GSK Biologicals' recombinant WT1 Antigen-Specific Cancer Immunotherapeutic (ASCI) GSK2302024A, Placebo, Aromatase inhibitor, 5-Fluorouracil, Carboplatin AUC, Cyclophosphamide, Docetaxel, Doxorubicin, Epirubicin, Paclitaxel, Trastuzumab
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
8
States / cities
Newark, Delaware • Plantation, Florida • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Completed Phase 2 Interventional Results available

Cabozantinib +/- Trastuzumab In Breast Cancer Patients w/ Brain Metastases

NCT02260531
View directory record Official record
Conditions
Breast Cancer, Brain Tumor - Metastatic
Interventions
Cabozantinib, Trastuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 20, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated No phase listed Observational

HER-Seq: A Blood-based Screening Study to Identify Patients With HER2 Mutations for Enrollment Into Clinical Research Studies of Neratinib

NCT03786107
View directory record Official record
Conditions
Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer, Metastatic Cervical Cancer
Interventions
Almac HER-Seq Assay
Diagnostic Test
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,583 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated Phase 1 Interventional Results available

Examination of Breast Cancer Cells of Pre-menopausal and Post-menopausal Women Before and After Exposure to Tamoxifen or Fulvestrant.

NCT02936206
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant, Tamoxifen
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Completed Phase 2 Interventional Results available

Preoperative Dose-dense Doxorubicin and Cyclophosphamide Followed by Paclitaxel With Bevacizumab in Operable Breast Cancer

NCT00546156
View directory record Official record
Conditions
Breast Cancer
Interventions
Doxorubicin, Cyclophosphamide, Paclitaxel, Bevacizumab
Drug
Lead sponsor
Ian E. Krop, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
4
States / cities
Boston, Massachusetts • Hooksett, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated Phase 2 Interventional Results available

Phase II PEMBROLIZUMAB + PALLIATIVE RADIOTHERAPY IN BC

NCT03051672
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Pembrolizumab, Palliative radiotherapy
Drug · Radiation
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 19, 2026, 5:05 AM EDT
Terminated Phase 2 Interventional Results available

A Study of GDC-0810 Versus Fulvestrant in Postmenopausal Women With Advanced or Metastatic Breast Cancer Resistant to Aromatase Inhibitor (AI) Therapy

NCT02569801
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant, GDC-0810
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
7
States / cities
New Haven, Connecticut • Fort Myers, Florida • St. Petersburg, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 19, 2026, 5:05 AM EDT

About this Breast Cancer clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Breast Cancer as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results
Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Breast Cancer.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Breast Cancer.