- Conditions
- HR+ Breast Cancer, Triple Negative Breast Cancer (TNBC), CCNE1 Amplified Advanced Solid Tumors, HR+ HER2- Breast Cancer
- Interventions
- NKT5097 CDK2/CDK4 dual degrader, Fulvestrant, Letrozole
- Drug
- Lead sponsor
- NiKang Therapeutics, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 361 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 18
- States / cities
- Duarte, California • La Jolla, California • Denver, Colorado + 15 more
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 15, 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.
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.
These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.
Live official records
Open in full search- Conditions
- Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Locally Advanced Unresectable Breast Carcinoma, Metastatic Breast Carcinoma
- Interventions
- Atezolizumab, Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Bone Scan, Computed Tomography, Magnetic Resonance Imaging, Olaparib, Positron Emission Tomography, Questionnaire Administration, X-Ray Imaging
- Drug · Procedure · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2027
- U.S. locations
- 58
- States / cities
- Phoenix, Arizona • Scottsdale, Arizona • La Jolla, California + 43 more
- Conditions
- Metastatic Breast Cancer
- Interventions
- Belzutifan, Fulvestrant, Everolimus, Exemestane
- Drug
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 14
- States / cities
- Goodyear, Arizona • Beverly Hills, California • La Jolla, California + 11 more
- Conditions
- Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
- Interventions
- Endoxifen Hydrochloride, Laboratory Biomarker Analysis, Pharmacological Study, Tamoxifen Citrate
- Drug · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2027
- U.S. locations
- 559
- States / cities
- Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 356 more
- Conditions
- Breast Cancer, HER2-positive Breast Cancer
- Interventions
- HER2 Vaccine
- Drug
- Lead sponsor
- Pravin T.P Kaumaya
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Advanced HR+/HER2- Breast Cancer, Advanced CCNE1-amplified Solid Tumors, Extensive-stage Small Cell Lung Cancer
- Interventions
- ECI830, ribociclib, fulvestrant
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 280 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 8
- States / cities
- Los Angeles, California • Fort Myers, Florida • Boston, Massachusetts + 5 more
- Conditions
- Receptors, Estrogen, Genes, Erbb-2, Breast Neoplasms
- Interventions
- Palbociclib (75, 100, 125 milligram [mg]), H3B-6545 (150, 300, 450 mg)
- Drug
- Lead sponsor
- Eisai Inc.
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2027
- U.S. locations
- 5
- States / cities
- Sarasota, Florida • Boston, Massachusetts • Kansas City, Missouri + 2 more
- Conditions
- Breast Cancer, Non-small Cell Lung Cancer (NSCLC), Gastric/Gastroesophageal Junction (GEJ) Cancer, Bladder Cancer
- Interventions
- [68Ga]Ga-DWJ155, [177Lu]Lu-DWJ155
- Diagnostic Test · Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 156 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2032
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Metastatic Breast Cancer, HER2-positive Breast Cancer, EGFR Overexpression, Metastatic Esophageal Carcinoma, HER-2 Positive Esophageal Cancer
- Interventions
- Combination of MVF-HER-2 (597-626) and MVF-HER-2 (266-296) emulsified with ISA 51
- Biological
- Lead sponsor
- Pravin T.P Kaumaya
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2030
- U.S. locations
- 1
- States / cities
- Indianpolis, Indiana
- Conditions
- HER2-positive Advanced Solid Tumor
- Interventions
- DB-1303/BNT323, Pertuzumab Injection, Ritonavir, Itraconazole
- Biological · Drug
- Lead sponsor
- DualityBio Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 796 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 35
- States / cities
- Cerritos, California • Los Angeles, California • San Diego, California + 29 more
- Conditions
- HER2-positive Breast Cancer, Advanced Breast Cancer
- Interventions
- Prolonged Overnight Fasting, Moderate-Intensity Exercise, General Health Education Sessions
- Behavioral
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 260 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 3
- States / cities
- Phoenix, Arizona • Miami, Florida • Boston, Massachusetts
- Conditions
- BARD1 Gene Mutation, BRCA1 Gene Mutation, BRCA2 Gene Mutation, BRIP1 Gene Mutation, Estrogen Receptor Negative, HER2/Neu Negative, MLH1 Gene Mutation, MSH2 Gene Mutation, MSH6 Gene Mutation, PALB2 Gene Mutation, PMS2 Gene Mutation, Progesterone Receptor Negative, RAD51C Gene Mutation, RAD51D Gene Mutation, Triple-Negative Breast Carcinoma
- Interventions
- Educational Intervention, Genetic Counseling, Laboratory Biomarker Analysis, Questionnaire Administration
- Other
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 30 Years and older · Female only
- Enrollment
- 5,200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2028
- U.S. locations
- 2
- States / cities
- Houston, Texas • Seattle, Washington
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.