- Conditions
- Ductal Breast Carcinoma In Situ, Estrogen Receptor Positive
- Interventions
- Afimoxifene, Laboratory Biomarker Analysis, Placebo, Tamoxifen Citrate
- Drug · Other
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 6
- States / cities
- Chicago, Illinois • Edgewood, Kentucky • Rochester, Minnesota + 3 more
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 16, 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
678
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 361–372 of 678 matching trials for Breast Cancer.
Live ClinicalTrials.gov results.
Live official records
Open in full search- Conditions
- Metastatic or Locally-advanced Unresectable Breast Cancer
- Interventions
- BYL719, Letrozole, Exemestane
- Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Metastatic Breast Cancer, Breast Carcinoma
- Interventions
- LEE-011, Fulvestrant, Placebo
- Drug
- Lead sponsor
- Melissa K Accordino
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 169 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2022
- U.S. locations
- 13
- States / cities
- Birmingham, Alabama • Atlanta, Georgia • Chicago, Illinois + 7 more
- Conditions
- Hormone Receptor Positive Breast Cancer, HER-2 Positive Breast Cancer
- Interventions
- Abemaciclib, Trastuzumab, Fulvestrant, Standard of Care Single Agent Chemotherapy
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 237 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 32
- States / cities
- Bakersfield, California • Fullerton, California • Los Angeles, California + 22 more
- Conditions
- Hormone Receptor Positive HER-2 Negative Breast Cancer
- Interventions
- Not listed
- Lead sponsor
- Novartis
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 435 participants
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- East Hanover, New Jersey
- Conditions
- Neoplasm Malignant, Renal Cell Carcinoma, Hormone Receptor Positive Breast Carcinoma, Metastatic Castration-resistant Prostate Cancer, Colorectal Cancer
- Interventions
- XL092, Atezolizumab, Avelumab
- Drug
- Lead sponsor
- Exelixis
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 325 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 40
- States / cities
- Duarte, California • La Jolla, California • Los Angeles, California + 33 more
- Conditions
- Breast Cancer
- Interventions
- Ipatasertib, Placebo, Palbociclib, Fulvestrant
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 5
- States / cities
- Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 1 more
- Conditions
- Breast Cancer
- Interventions
- Atezolizumab, Placebo, Doxorubicin, Cyclophosphamide, Paclitaxel, Trastuzumab, Pertuzumab, Trastuzumab Emtansine
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 454 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 3
- States / cities
- Kansas City, Missouri • New York, New York • Nashville, Tennessee
- Conditions
- HER2-negative Breast Cancer
- Interventions
- Precision Medicine, Physican Decision Making
- Other
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Advanced Breast Carcinoma, 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, Androgen Receptor Positive, HER2/Neu Negative, Metastatic Breast Carcinoma, 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, PTEN Positive, Recurrent Breast Carcinoma, Refractory Breast Carcinoma, Triple-Negative Breast Carcinoma
- Interventions
- Alpelisib, Enzalutamide
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Breast Cancer, Breast Carcinoma, Breast Tumors, Malignant Neoplasm of Breast
- Interventions
- Paclitaxel, Alisertib
- Drug
- Lead sponsor
- US Oncology Research
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 169 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2024
- U.S. locations
- 1
- States / cities
- Including Dallas and Austin, Texas
- Conditions
- Breast Cancer
- Interventions
- Alpelisib, Fulvestrant, Metformin XR, Dapagliflozin + metformin XR, Dapagliflozin
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
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.