- Conditions
- Advanced or Metastatic Breast Cancer
- Interventions
- PF-07220060 CDK4 inhibitor, Fulvestrant, Everolimus, Exemestane
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 333 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 9
- States / cities
- Irvine, California • Los Angeles, California • Newport Beach, California + 3 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
- Advanced or Metastatic Breast Cancer
- Interventions
- Ibrance
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Breast Cancer, HER2-positive Breast Cancer, Breast Cancer Stage IV
- Interventions
- Personalis NeXT Personal, Natera Signatera, fam-trastuzumab deruxtecan-nxki (T-DXd), pertuzumab, called T-DXd+P
- Diagnostic Test · Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 7
- States / cities
- Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
- Conditions
- Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Invasive Breast Carcinoma, Localized Estrogen Receptor-Positive Breast Carcinoma, Localized Human Epidermal Growth Factor Receptor (HER2)-Negative Breast Carcinoma
- Interventions
- Abemaciclib, Biospecimen Collection, Imlunestrant, Questionnaire Administration, Radiologic Imaging Procedure
- Drug · Procedure · Other
- Lead sponsor
- Jonsson Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2031
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Breast Cancer, HER2-positive Breast Cancer
- Interventions
- trastuzumab-emtansine, Trastuzumab SC, Paclitaxel
- Drug
- Lead sponsor
- Dana-Farber Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2029
- U.S. locations
- 53
- States / cities
- San Francisco, California • Derby, Connecticut • Fairfield, Connecticut + 44 more
- Conditions
- Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Castration-Resistant Prostate Carcinoma, Clinical Stage III Gastric Cancer AJCC v8, Clinical Stage IV Gastric Cancer AJCC v8, HER2-Positive Breast Carcinoma, Locally Advanced Breast Carcinoma, Locally Advanced Gastric Carcinoma, Locally Advanced Malignant Solid Neoplasm, Locally Advanced Ovarian Carcinoma, Locally Advanced Pancreatic Carcinoma, Locally Advanced Prostate Carcinoma, Metastatic Breast Carcinoma, Metastatic Gastric Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Ovarian Carcinoma, Metastatic Pancreatic Carcinoma, Metastatic Prostate Carcinoma, Platinum-Sensitive Ovarian Carcinoma, Recurrent Breast Carcinoma, Recurrent Gastric Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Pancreatic Carcinoma, Recurrent Prostate Carcinoma, Stage II Pancreatic Cancer AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage III Pancreatic Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Stage IV Prostate Cancer AJCC v8
- Interventions
- Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Talazoparib
- Procedure · Drug
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 4
- States / cities
- Gainesville, Florida • Bethesda, Maryland • Oklahoma City, Oklahoma
- Conditions
- Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Invasive Ductal Breast Carcinoma, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
- Interventions
- PI3K inhibitor BYL719, letrozole, laboratory biomarker analysis, pharmacological studies
- Drug · Other
- Lead sponsor
- Vanderbilt-Ingram Cancer Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2022
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • Nashville, Tennessee
- Conditions
- Breast Cancer Metastatic Breast Cancer, HER2-negative Breast Cancer
- Interventions
- Elacestrant, DC1 native/mutated ESR1
- Drug · Biological
- Lead sponsor
- H. Lee Moffitt Cancer Center and Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- ER+ HER2- Advanced Breast Cancer
- Interventions
- AZD9833, AZD9833 with palbociclib, AZD9833 with everolimus, AZD9833 with abemaciclib, AZD9833 with capivasertib, AZD9833 with ribociclib, AZD9833 with anastrozole
- Drug
- Lead sponsor
- AstraZeneca
- Industry
- Eligibility
- 18 Years to 130 Years · Female only
- Enrollment
- 396 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2027
- U.S. locations
- 5
- States / cities
- Aurora, Colorado • Sarasota, Florida • Philadelphia, Pennsylvania + 2 more
- Conditions
- HER2-positive Breast Cancer
- Interventions
- [18F]FMISO PET/MRI imaging
- Drug
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Locally Advanced (Inoperable) or Metastatic Breast Cancer
- Interventions
- Capivasertib, Fulvestrant, Palbociclib, Ribociclib, Abemaciclib
- Drug
- Lead sponsor
- AstraZeneca
- Industry
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 893 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2029
- U.S. locations
- 40
- States / cities
- Tucson, Arizona • Fountain Valley, California • Glendale, California + 35 more
- Conditions
- Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer
- Interventions
- Giredestrant, Giredestrant-matched Placebo, Letrozole, Letrozole-matched Placebo, Palbociclib, LHRH Agonist
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 992 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2027
- U.S. locations
- 37
- States / cities
- Fountain Valley, California • Long Beach, California • San Leandro, California + 32 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.