- Conditions
- Breast Cancer, Cancer of the Breast
- Interventions
- VENTANA MIB-1 Ki67 assay, Oncotype DX® Recurrence Score, PAM50-based Prosigna breast cancer gene signature assay, Anastrozole, Combination anthracycline and/or taxane based treatment
- Device · Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
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 Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced October 17, 2026 Report an issue
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official matching trials
1133
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.
Showing 373–384 of 1,133 matching trials for Breast Cancer.
Live ClinicalTrials.gov results.
Live official records
Open in full search- Conditions
- Breast Cancer
- Interventions
- Not listed
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 480 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- East Hanover, New Jersey
- Conditions
- Breast Cancer
- Interventions
- A CDK4/6 inhibitor different from the first that the participant had received, plus fulvestrant., Treatment of physician's choice
- Drug
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma
- Interventions
- CD105/Yb-1/SOX2/CDH3/MDM2-polyepitope Plasmid DNA Vaccine, Capecitabine, Computed Tomography, Cyclin-Dependent Kinase 4 Inhibitor, Cyclin-Dependent Kinase 6 Inhibitor, F-18 16 Alpha-Fluoroestradiol, Hormone Therapy, Positron Emission Tomography, Biopsy Procedure, Biospecimen Collection, Abemaciclib
- Biological · Drug · Procedure
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Advanced Solid Tumor
- Interventions
- DB-1310, Trastuzumab, Osimertinib, capecitabine
- Drug
- Lead sponsor
- DualityBio Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 15
- States / cities
- Sacramento, California • Santa Monica, California • Coral Gables, Florida + 12 more
- Conditions
- Breast Cancer
- Interventions
- DBT-TOBI, MRI-TOBI
- Device
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Breast Cancer
- Interventions
- omega 3 fatty acids
- Dietary Supplement
- Lead sponsor
- City of Hope Medical Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2027
- U.S. locations
- 2
- States / cities
- Duarte, California • Columbus, Ohio
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Prognostic Stage IV Breast Cancer AJCC v8, Elevated CA15-3 or CEA or CA27-29
- Interventions
- Usual care disease monitoring, Serum Tumor Marker directed disease monitoring, Quality-of-Life Assessment, Anxiety Questionnaire Administration
- Other
- Lead sponsor
- SWOG Cancer Research Network
- Network
- Eligibility
- 18 Years and older
- Enrollment
- 739 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2036
- U.S. locations
- 709
- States / cities
- Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 456 more
- Conditions
- Breast Neoplasms
- Interventions
- Imlunestrant, Tamoxifen, Anastrozole, Letrozole, Exemestane
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 8,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2032
- U.S. locations
- 137
- States / cities
- Daphne, Alabama • Huntsville, Alabama • Mobile, Alabama + 115 more
- Conditions
- Breast Cancer, Breast Cancer Metastatic, Hormone Receptor Positive Tumor, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Ovarian Cancer, CCNE1 Amplification, Solid Tumor, Advanced Cancer, Metastatic Cancer
- Interventions
- INX-315, Fulvestrant, Abemaciclib
- Drug
- Lead sponsor
- Incyclix Bio
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 15
- States / cities
- Orlando, Florida • Atlanta, Georgia • Augusta, Georgia + 10 more
- Conditions
- HER2 Positive Breast Cancer
- Interventions
- tucatinib, trastuzumab deruxtecan
- Drug
- Lead sponsor
- Seagen, a wholly owned subsidiary of Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 140
- States / cities
- Birmingham, Alabama • Tucson, Arizona • Alhambra, California + 92 more
- Conditions
- Advanced Solid Tumors With HER2 Mutation,eg:Colorectal,Urothelial,Gastric, Hepatobiliary,Endometrial,Melanoma,Ovarian,Cervical,Salivary Gland,Pancreatic,Breast
- Interventions
- Trastuzumab deruxtecan
- Drug
- Lead sponsor
- AstraZeneca
- Industry
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 102 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 10
- States / cities
- Santa Rosa, California • Muncie, Indiana • Boston, Massachusetts + 6 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.