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Condition Directory

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 the Clinical Trials Finder editorial team Guidance last reviewed June 10, 2026 Data synced September 26, 2026 Report an issue

ClinicalTrials.gov public records Last synced Sep 26, 2026, 1:42 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
831
Shown on this page
12
Current sort
Recently updated
Condition scope
Breast Cancer
Additional filters apply within this condition.
The trial list below is retrieved from the live ClinicalTrials.gov search API for Breast Cancer. Results on this page are currently sorted by Recently updated.

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 1–12 of 831 matching trials for Breast Cancer.
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Live official records

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Conditions
Triple Negative Breast Cancer
Interventions
Exercise and Medical Nutrition
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Triple-Negative Breast Cancer
Interventions
Pembrolizumab, Sacituzumab tirumotecan, Capecitabine
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2037
U.S. locations
93
States / cities
Mobile, Alabama • Chandler, Arizona • Fountain Valley, California + 78 more
Conditions
Triple Negative Breast Cancer
Interventions
Genomically Guided Radiation Therapy
Radiation
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
2
States / cities
Clearwater, Florida • Tampa, Florida
Conditions
Breast Cancer
Interventions
Dato-DXd, Durvalumab, Paclitaxel, Nab-paclitaxel, Gemcitabine, Carboplatin, Pembrolizumab
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
66
States / cities
Daphne, Alabama • Springdale, Arkansas • Duarte, California + 57 more
Conditions
Triple Negative Breast Neoplasms
Interventions
Sacituzumab tirumotecan, Pembrolizumab, Rescue Medication, Paclitaxel, Nab-paclitaxel, Gemcitabine, Carboplatin
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
39
States / cities
Mobile, Alabama • Chandler, Arizona • Duarte, California + 33 more
Conditions
Solid Tumor, Adult, Colorectal Cancer, Non Small Cell Lung Cancer, Pancreatic Cancer, CRC, NSCLC, Pancreas Cancer, Mesothelioma, Ovarian Cancer, Ovarian Neoplasms, Ovarian Carcinoma, Mesothelioma, Malignant, Mesothelioma; Lung, Cancer, Triple Negative Breast Cancer (TNBC), Renal Cell Carcinoma (Kidney Cancer), Head and Neck Squamous Cell Carcinoma HNSCC
Interventions
Apheresis, Next Generation Sequencing (NGS), Long Range NGS HLA typing
Other · Diagnostic Test
Lead sponsor
A2 Biotherapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
16
States / cities
Gilbert, Arizona • Phoenix, Arizona • Duarte, California + 13 more
Conditions
Breast Neoplasms, Triple Negative Breast Neoplasms, HR Low-Positive/HER2-Negative Breast Neoplasms
Interventions
Sacituzumab tirumotecan, Pembrolizumab, Rescue Medication, Carboplatin, Paclitaxel, Doxorubicin, Epirubicin, Cyclophosphamide, Capecitabine, Olaparib
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
2,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
63
States / cities
Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 53 more
Conditions
Breast Cancer
Interventions
Inavolisib, Ribociclib, Letrozole, Giredestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Los Angeles, California • Orange, California • Germantown, Tennessee + 1 more
Conditions
Estrogen Receptor Negative, HER2 Positive Breast Carcinoma, HER2/Neu Negative, Invasive Breast Carcinoma, Progesterone Receptor Negative, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma
Interventions
Undergo EBRT, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration, Partial Breast Irradiation
Radiation · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
30 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
8
States / cities
Gilbert, Arizona • Jacksonville, Florida • Honolulu, Hawaii + 5 more
Conditions
Advanced Malignant Solid Neoplasm, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Lung Small Cell Carcinoma, Metastatic Pancreatic Adenocarcinoma, Metastatic Triple-Negative Breast Carcinoma, Pancreatic Ductal Adenocarcinoma, Stage III Breast Cancer AJCC v7, Stage III Lung Non-Small Cell Cancer AJCC v7, Stage III Lung Small Cell Carcinoma AJCC v7, Stage III Pancreatic Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIA Lung Non-Small Cell Cancer AJCC v7, Stage IIIA Lung Small Cell Carcinoma AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIB Lung Non-Small Cell Cancer AJCC v7, Stage IIIB Lung Small Cell Carcinoma AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7, Stage IV Lung Non-Small Cell Cancer AJCC v7, Stage IV Lung Small Cell Carcinoma AJCC v7, Stage IV Pancreatic Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma, Unresectable Lung Small Cell Carcinoma, Unresectable Pancreatic Adenocarcinoma, Unresectable Pancreatic Carcinoma, Unresectable Triple-Negative Breast Carcinoma
Interventions
18F-Fluoromisonidazole, Cediranib Maleate, Laboratory Biomarker Analysis, Olaparib, Positron Emission Tomography
Other · Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
14
States / cities
La Jolla, California • Sacramento, California • San Diego, California + 9 more
Conditions
Breast Cancer, Breast Carcinoma, Cancer of the Breast, Malignant Neoplasm of Breast
Interventions
Arm 1
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2034
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Advanced Solid Tumors, Breast Cancer Recurrent, Ovarian Cancer, High-grade Serous Ovarian Carcinoma, Triple Negative Breast Cancer, sqNSCLC, Squamous Non-small-cell Lung Cancer
Interventions
ATX-295, ATX-295 and bevacizumab (or biosimilar)
Drug
Lead sponsor
Accent Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
10
States / cities
Aurora, Colorado • Sarasota, Florida • Detroit, Michigan + 7 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.