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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 November 15, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 15, 2026, 3:01 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
7089
Shown on this page
12
Current sort
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

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

Filter and sort this condition

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 1165–1176 of 7,089 matching trials for Breast Cancer.
Live ClinicalTrials.gov results.
Local aggregate panels are unavailable or hidden for filtered views. The result list above identifies its data source.

Live official records

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Conditions
Breast Cancer
Interventions
Tissue Expander (TE), Vancomycin and Gentamicin, Stimulan Rapid Cure
Procedure · Drug · Device
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Cancer, Breast Cancer Early Stage Breast Cancer (Stage 1-3), Bladder Cancer, Prostate Cancer (Adenocarcinoma), Endometrial Cancer, Hypertension, Hyperlipidemia (E.G., Hypercholesterolemia), Diabetes Mellitus
Interventions
PC2: Primary Care Connect
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Opioid Use, Breast Cancer
Interventions
Addinex Device (ADX-27)
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 99 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Breast Cancer, Leptomeningeal Disease
Interventions
cDC1 Vaccine, Trastuzumab, Nivolumab
Biological · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Tampa, Florida
Active, not recruiting Phase 2 Interventional

Tucatinib+Trastuzumab+Eribulin in HER2+ MBC

NCT05458674
Conditions
Breast Cancer, Pretreated Unresectable Locally Advanced or Metastatic HER2+ Breast Cancer
Interventions
Tucatinib, Eribulin, Trastuzumab
Drug
Lead sponsor
Criterium, Inc.
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Albuquerque, New Mexico + 3 more
Conditions
Breast Carcinoma, Cervical Carcinoma, Ovarian Carcinoma, Postmenopausal, Uterine Corpus Cancer, Vaginal Carcinoma, Vulvar Carcinoma
Interventions
Bupropion 150 mg XL, Placebo
Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
362
States / cities
Anaheim, California • Antioch, California • Baldwin Park, California + 262 more
Conditions
Breast Cancer, Coronary Artery Disease, Stroke, Type2 Diabetes
Interventions
Progressive combine training (PCT), Attention Control (AC)
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hereditary Breast/Ovarian Cancer (brca1, brca2), Lynch Syndrome, Genetic Variation, HBOC Syndrome, Hereditary Cancer Syndromes
Interventions
Patient Centered Clinical Decision Support (PC-CDS)
Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
2,488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Breast Neoplasms
Interventions
palbociclib plus fulvestrant, fulvestrant
Drug
Lead sponsor
Pfizer
Industry
Eligibility
15 Years and older
Enrollment
95,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Conditions
Anatomic Stage IV Breast Cancer American Joint Committee on Cancer (AJCC) v8, Metastatic Breast Carcinoma, Metastatic Malignant Neoplasm in the Bone, Metastatic Malignant Neoplasm in the Liver, Metastatic Malignant Neoplasm in the Lung, Metastatic Malignant Neoplasm in the Lymph Nodes, Metastatic Malignant Neoplasm in the Spine, Prognostic Stage IV Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8
Interventions
Stereotactic Body Radiotherapy, Surgery
Radiation · Procedure
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
153
States / cities
Birmingham, Alabama • Goodyear, Arizona • Peoria, Arizona + 124 more
Conditions
Breast Cancer
Interventions
RECONJOINT
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more

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.