- Conditions
- HER2-positive Breast Cancer
- Interventions
- Atezolizumab, Paclitaxel, Trastuzumab, Pertuzumab
- Drug
- Lead sponsor
- Fox Chase Cancer Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2027
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
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
- Metastatic Breast Cancer, Locally Advanced Breast Cancer
- Interventions
- U3-1402
- Drug
- Lead sponsor
- SCRI Development Innovations, LLC
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 121 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 11
- States / cities
- Birmingham, Alabama • Springdale, Arkansas • Duarte, California + 7 more
- Conditions
- Breast Cancer
- Interventions
- Fulvestrant
- Drug
- Lead sponsor
- Beth Israel Deaconess Medical Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2027
- U.S. locations
- 5
- States / cities
- Boston, Massachusetts • Lowell, Massachusetts • South Weymouth, Massachusetts
- Conditions
- Breast Cancer
- Interventions
- PF-07220060, letrozole, abemaciclib, palbociclib, ribociclib
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,035 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2037
- U.S. locations
- 218
- States / cities
- Birmingham, Alabama • Chandler, Arizona • Gilbert, Arizona + 135 more
- Conditions
- Non Small Cell Lung Cancer, Breast Cancer
- Interventions
- YL202
- Drug
- Lead sponsor
- MediLink Therapeutics (Suzhou) Co., Ltd.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 7
- States / cities
- Plantation, Florida • Detroit, Michigan • Houston, Texas + 4 more
- Conditions
- Advanced Hormone Receptor-Positive Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Hormone Receptor-Positive Breast Carcinoma, Unresectable Hormone Receptor-Positive Breast Carcinoma
- Interventions
- Biopsy Procedure, Biospecimen Collection, Bone Scan, Computed Tomography, Electronic Health Record Review, Magnetic Resonance Imaging, Positron Emission Tomography, Treatment Planning, Treatment Regimen
- Procedure · Other
- Lead sponsor
- City of Hope Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 2
- States / cities
- Duarte, California • Irvine, California
- Conditions
- Advanced Breast Cancer
- Interventions
- Lerociclib + Letrozole or Fulvestrant
- Drug
- Lead sponsor
- EQRx, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 6
- States / cities
- Jacksonville, Florida • Omaha, Nebraska • Salem, Oregon + 3 more
- Conditions
- Invasive Breast Carcinoma, 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, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Triple-Negative Breast Carcinoma
- Interventions
- Axillary Lymph Node Dissection, Enzalutamide, Laboratory Biomarker Analysis, Lymph Node Biopsy, Paclitaxel, Therapeutic Conventional Surgery
- Procedure · Drug · Other
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 2
- States / cities
- Houston, Texas
- Conditions
- Advanced Triple-Negative Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Triple-Negative Breast Carcinoma, Recurrent Breast Carcinoma
- Interventions
- Biopsy, Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography, Therapeutic Estradiol
- Procedure · Biological
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 9
- States / cities
- Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 5 more
- Conditions
- Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Carcinoma, Locally Advanced HER2-Positive Breast Carcinoma, Metastatic HER2-Positive Breast Carcinoma, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8
- Interventions
- Carboplatin, Docetaxel, Fulvestrant, Pertuzumab, Quality-of-Life Assessment, Ribociclib, Trastuzumab, Tucatinib
- Drug · Biological · Other
- Lead sponsor
- Jonsson Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2028
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Hormone Receptor Positive Breast Carcinoma, HER2-negative Breast Cancer
- Interventions
- OP-1250
- Drug
- Lead sponsor
- Olema Pharmaceuticals, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 153 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 15
- States / cities
- Los Angeles, California • Aurora, Colorado • Deerfield Beach, Florida + 11 more
- Conditions
- Breast Cancer
- Interventions
- Omega-3 fatty acid supplement
- Dietary Supplement
- Lead sponsor
- University of Michigan Rogel Cancer Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
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.