- Conditions
- Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Estrogen Receptor-Positive Breast Carcinoma, HER2-Negative Breast Carcinoma, HER2-Positive Breast Carcinoma, Triple-Negative Breast Carcinoma
- Interventions
- Biospecimen Collection, Electronic Health Record Review, Survey Administration
- Procedure · Other
- Lead sponsor
- City of Hope Medical Center
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 5
- States / cities
- Goodyear, Arizona • Duarte, California • Irvine, California + 2 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 17, 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
- Breast Cancer, HER2-positive Breast Cancer, Triple Negative Breast Cancer
- Interventions
- Neoadjuvant Chemotherapy, Radiation Therapy, MRI, Breast Cancer Surgery, Biopsy, Biospecimen collection
- Drug · Radiation · Procedure
- Lead sponsor
- Ohio State University Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 84 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Brain Metastases, Human Epidermal Growth Factor 2 Positive Carcinoma of Breast, Advanced Breast Cancer
- Interventions
- Trastuzumab, Trastuzumab Emtansine (T-DM1), Pertuzumab, Tucatinib
- Drug
- Lead sponsor
- Carey Anders, M.D.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 8
- States / cities
- San Francisco, California • Boston, Massachusetts • Ann Arbor, Michigan + 5 more
- Conditions
- Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, HER2/Neu Positive, Progesterone Receptor Negative, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIC Breast Cancer AJCC v6, Stage IV Breast Cancer AJCC v6 and v7
- Interventions
- Bevacizumab, Ixabepilone, Laboratory Biomarker Analysis, Nab-paclitaxel, Paclitaxel, Questionnaire Administration
- Biological · Drug · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 799 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2017
- U.S. locations
- 703
- States / cities
- Scottsdale, Arizona • Fort Smith, Arkansas • Jonesboro, Arkansas + 472 more
- Conditions
- Metastatic Breast Cancer
- Interventions
- Lasofoxifene in combination with abemaciclib, Fulvestrant in combination with abemaciclib
- Drug
- Lead sponsor
- LeonaBio
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 600 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 36
- States / cities
- Scottsdale, Arizona • Tucson, Arizona • Santa Rosa, California + 25 more
- Conditions
- Hormone Receptor-positive Breast Cancer, Hormone Receptor Positive HER-2 Negative Breast Cancer, Metastatic Breast Cancer
- Interventions
- EP0062, Elacestrant, Everolimus, Abemaciclib, Fulvestrant, Exemestane
- Drug
- Lead sponsor
- Ellipses Pharma
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 95 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 7
- States / cities
- New Haven, Connecticut • Tampa, Florida • Boston, Massachusetts + 4 more
- Conditions
- HER2-positive Breast Cancer, HER2-positive Gastric Cancer, HER2-positive Non-Small Cell Lung Cancer, HER2-positive Colorectal Cancer, HER2-positive Tumors, HER2 Low Breast Cancer
- Interventions
- XMT-2056
- Drug
- Lead sponsor
- Day One Biopharmaceuticals, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 57 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 14
- States / cities
- Los Angeles, California • Stanford, California • Celebration, Florida + 8 more
- Conditions
- Breast Cancer, Small Cell Lung Cancer, Ovarian Cancer, Gastric Cancer, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive HER-2 Negative Breast Cancer, Advanced Solid Tumor, Endometrial Cancer, Prostate Cancer, TNBC - Triple-Negative Breast Cancer, GastroEsophageal Cancer, Bladder Cancer
- Interventions
- BG-68501, Fulvestrant, BGB-43395
- Drug
- Lead sponsor
- BeiGene
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 103 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 6
- States / cities
- Newport Beach, California • Lake Mary, Florida • St Louis, Missouri + 3 more
- Conditions
- Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
- Interventions
- Carboplatin, Laboratory Biomarker Analysis, Pembrolizumab
- Drug · Other · Biological
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Estrogen Receptor (ER)-Positive, HER2-negative, Locally Advanced or Metastatic Breast Cancer
- Interventions
- Giredestrant, Exemestane, Fulvestrant, Tamoxifen, Everolimus, LHRH Agonist, Dexamethasone Mouth Rinse
- Drug
- Lead sponsor
- Genentech, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 373 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 55
- States / cities
- Anchorage, Alaska • Tucson, Arizona • Little Rock, Arkansas + 47 more
- Conditions
- Breast Adenocarcinoma, HER2-Positive Breast Carcinoma, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8
- Interventions
- Biospecimen Collection
- Procedure
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 230 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2028
- U.S. locations
- 1
- States / cities
- Jacksonville, Florida
- Conditions
- HER2-positive Breast Cancer, Recurrent Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Breast Adenocarcinoma, Inflammatory Breast Carcinoma
- Interventions
- pertuzumab, trastuzumab, paclitaxel albumin-stabilized nanoparticle formulation, laboratory biomarker analysis
- Biological · Drug · Other
- Lead sponsor
- City of Hope Medical Center
- Other
- Eligibility
- 19 Years and older · Female only
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2026
- U.S. locations
- 3
- States / cities
- Duarte, California • Lancaster, California • South Pasadena, California
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.