- Conditions
- Estrogen Receptor-positive Breast Cancer, HER2/Neu Negative, Stage IV Breast Cancer AJCC v6 and v7
- Interventions
- Palbociclib, Letrozole, Fulvestrant, Questionnaire Administration, Quality-of-Life Assessment
- Drug · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 70 Years and older
- Enrollment
- 93 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2026
- U.S. locations
- 447
- States / cities
- Anchorage, Alaska • Kingman, Arizona • Arroyo Grande, California + 303 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 9, 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
1129
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 13–24 of 1,129 matching trials for Breast Cancer.
Live ClinicalTrials.gov results.
Live official records
Open in full search- Conditions
- Early Breast Cancer
- Interventions
- Ribociclib, Letrozole, Ansastrozole, Goserelin, Leuprolide, Exemestane
- Drug
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 1,400 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2030
- U.S. locations
- 85
- States / cities
- Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 74 more
- Conditions
- Inoperable, Locally Advanced or Metastatic, ER-positive Breast Cancer
- Interventions
- Giredestrant, Abemaciclib, Ipatasertib, Inavolisib, Ribociclib, Everolimus, Samuraciclib, PH FDC SC, Palbociclib, Atezolizumab
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 316 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2029
- U.S. locations
- 12
- States / cities
- Duarte, California • Irvine, California • San Francisco, California + 9 more
- Conditions
- HER2-Positive Breast Carcinoma, Hormone Receptor-Positive Breast Carcinoma, Stage IB Breast Cancer AJCC v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7
- Interventions
- Aromatase Inhibition Therapy, Carboplatin, Cytology Specimen Collection Procedure, Docetaxel, Goserelin Acetate, Laboratory Biomarker Analysis, Pertuzumab, Quality-of-Life Assessment, Therapeutic Conventional Surgery, Trastuzumab, Whole Breast Irradiation
- Drug · Other · Biological + 2 more
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 315 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2025
- U.S. locations
- 731
- States / cities
- Fairbanks, Alaska • Hot Springs, Arkansas • Anaheim, California + 466 more
- Conditions
- Breast Cancer
- Interventions
- Inavolisib, Fulvestrant
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2031
- U.S. locations
- 4
- States / cities
- Los Angeles, California • Jacksonville, Florida • Kansas City, Missouri + 1 more
- Conditions
- Metastatic Breast Cancer, HER2-negative Breast Cancer, ER+ Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer With Bone Involvement, Bone Metastases in Subjects With Advanced Breast Cancer, ER-Positive HER2-Negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, Hormone-sensitive Metastatic Breast Cancer, Hormone-Sensitive Breast Cancer
- Interventions
- RYZ101, Standard of Care Endocrine Therapy
- Drug
- Lead sponsor
- RayzeBio, Inc.
- Industry
- Eligibility
- Not listed
- Enrollment
- 64 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2033
- U.S. locations
- 25
- States / cities
- Phoenix, Arizona • Irvine, California • San Diego, California + 21 more
- Conditions
- HER2-positive Breast Cancer
- Interventions
- RO7771950, Tucatinib, Trastuzumab, Capecitabine
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 650 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2032
- U.S. locations
- 14
- States / cities
- Huntsville, Alabama • Gilbert, Arizona • San Francisco, California + 10 more
- Conditions
- Breast Neoplasms
- Interventions
- Sacituzumab tirumotecan, Pembrolizumab, Paclitaxel, Nab-paclitaxel, Capecitabine, Liposomal doxorubicin
- Drug · Biological
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2031
- U.S. locations
- 46
- States / cities
- Chandler, Arizona • Gilbert, Arizona • Fullerton, California + 38 more
- Conditions
- Breast Neoplasm, Neoplasm Metastasis
- Interventions
- Abemaciclib, Fulvestrant, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 368 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 60
- States / cities
- Phoenix, Arizona • Springdale, Arkansas • Fullerton, California + 52 more
- Conditions
- Breast Cancer
- Interventions
- Inavolisib, Placebo, CDK4/6i, Letrozole
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 450 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2032
- U.S. locations
- 62
- States / cities
- Goodyear, Arizona • Phoenix, Arizona • Burbank, California + 50 more
- Conditions
- Solid Tumor, Advanced Solid Tumor, Solid Tumor, Adult, Metastatic Tumor, Ovarian Cancer, Ovarian Neoplasms, Ovarian Carcinoma, Metastatic Ovarian Carcinoma, Endometrial Neoplasms, Endometrial Diseases, Metastatic Endometrial Cancer, Triple Negative Breast Cancer, Metastatic Endometrial Carcinoma, Advanced Endometrial Carcinoma, Advanced Ovarian Carcinoma, Gastric Cancer, Advanced Gastric Carcinoma, Metastatic Gastric Cancer, Metastatic Gastric Carcinoma, Small Cell Lung Cancer, Small Cell Lung Carcinoma, Triple Negative Breast Neoplasms, Platinum-resistant Ovarian Cancer, Platinum-refractory Ovarian Carcinoma, CCNE1 Amplification, Hormone Receptor Negative Breast Carcinoma, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Progesterone-receptor-positive Breast Cancer
- Interventions
- NKT3964, Paclitaxel, Doxorubicin
- Drug
- Lead sponsor
- NiKang Therapeutics, Inc.
- Industry
- Eligibility
- 19 Years and older
- Enrollment
- 238 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 19
- States / cities
- Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 16 more
- Conditions
- Breast Cancer, TNBC - Triple-Negative Breast Cancer, HER2-negative Breast Cancer
- Interventions
- PCS6422 and capecitabine, Capecitabine
- Drug
- Lead sponsor
- Processa Pharmaceuticals
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 12
- States / cities
- Los Angeles, California • Oxnard, California • Miami, Florida + 9 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.