- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma, Recurrent Breast Carcinoma
- Interventions
- Abemaciclib, Biopsy Procedure, Biospecimen Collection, Copanlisib Hydrochloride, Diagnostic Imaging Testing, Echocardiography Test, Fulvestrant, Multigated Acquisition Scan
- Drug · Procedure
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2027
- U.S. locations
- 14
- States / cities
- Birmingham, Alabama • Costa Mesa, California • Orange, California + 8 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
- Melanoma (Skin Cancer), HER2-low Hormone Receptor Positive Breast Cancer
- Interventions
- AMXT 1501 Dicaprate, DFMO, Fulvestrant, Capivasertib, Pembrolizumab
- Drug
- Lead sponsor
- Aminex Therapeutics, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 20
- States / cities
- Tucson, Arizona • La Jolla, California • Los Angeles, California + 15 more
- Conditions
- Estrogen-receptor-positive Breast Cancer, HER2/Neu-Negative Breast Cancer, Advanced Breast Cancerv, Metastatic Breast Cancer
- Interventions
- elacestrant, palbociclib, abemaciclib, ribociclib
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 174 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 3
- States / cities
- Chicago, Illinois
- Conditions
- Advanced Breast Carcinoma, Advanced Colon Carcinoma, Advanced Colorectal Carcinoma, Advanced Endometrial Carcinoma, Advanced Gastric Carcinoma, Advanced Gastroesophageal Junction Adenocarcinoma, Advanced Malignant Solid Neoplasm, Advanced Salivary Gland Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Clinical Stage III Gastric Cancer AJCC v8, Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8, Clinical Stage IV Gastric Cancer AJCC v8, Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8, HER2-Positive Breast Carcinoma, Malignant Hepatobiliary Neoplasm, Metastatic Breast Carcinoma, Metastatic Colon Carcinoma, Metastatic Colorectal Carcinoma, Metastatic Endometrial Carcinoma, Metastatic Gastric Carcinoma, Metastatic Gastroesophageal Junction Adenocarcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Salivary Gland Carcinoma, Stage III Colon Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage III Major Salivary Gland Cancer AJCC v8, Stage III Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8, Stage IV Colon Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IV Major Salivary Gland Cancer AJCC v8, Stage IV Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8, Unresectable Breast Carcinoma, Unresectable Colon Carcinoma, Unresectable Colorectal Carcinoma, Unresectable Endometrial Carcinoma, Unresectable Gastric Carcinoma, Unresectable Gastroesophageal Junction Adenocarcinoma, Unresectable Malignant Solid Neoplasm, Unresectable Salivary Gland Carcinoma
- Interventions
- Biopsy Procedure, Biospecimen Collection, Ceralasertib, Computed Tomography, Echocardiography Test, Multigated Acquisition Scan, Positron Emission Tomography, Trastuzumab Deruxtecan
- Procedure · Drug · Biological
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 51 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 23
- States / cities
- Irvine, California • Los Angeles, California • Orange, California + 16 more
- Conditions
- Breast Screening
- Interventions
- Digital Mammography, Digital Tomosynthesis Mammography, Laboratory Biomarker Analysis
- Procedure · Other
- Lead sponsor
- ECOG-ACRIN Cancer Research Group
- Network
- Eligibility
- 45 Years to 74 Years · Female only
- Enrollment
- 108,508 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2029
- U.S. locations
- 133
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 107 more
- Conditions
- Advanced Solid Tumor, Adult, ERBB2 Altered Breast Cancer, ERBB2 Gene Amplification, HER2 Overexpression, Non-Small Cell Lung Cancer, HER2
- Interventions
- CGT4255
- Drug
- Lead sponsor
- Cogent Biosciences, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 15
- States / cities
- Scottsdale, Arizona • New Haven, Connecticut • Jacksonville, Florida + 11 more
- Conditions
- Node Positive HER2 Negative Breast Cancer
- Interventions
- Placebo, Aspirin
- Other · Drug
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 3,021 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2023
- U.S. locations
- 1426
- States / cities
- Birmingham, Alabama • Daphne, Alabama • Mobile, Alabama + 902 more
- Conditions
- Breast Carcinoma, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Cancer
- Interventions
- Biospecimen Collection, Surveys, Stereotactic Body Radiation Therapy (SBRT), Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography
- Procedure · Other · Radiation
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2031
- U.S. locations
- 2
- States / cities
- Scottsdale, Arizona • Rochester, Minnesota
- Conditions
- Metastatic Breast Cancer, Triple Negative Breast Cancer, Estrogen-receptor-low Breast Cancer, ER Positive, HER2 Negative Breast Cancer
- Interventions
- SOC Chemotherapy, Tocilizumab/Tocilizumab Biosimilar
- Drug
- Lead sponsor
- Kathy Miller
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 168 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 7
- States / cities
- Atlanta, Georgia • Carmel, Indiana • Indianapolis, Indiana + 3 more
- Conditions
- Breast Cancer, HER2-positive Breast Cancer, ER Positive Breast Cancer, PR-Positive Breast Cancer
- Interventions
- Neratinib, Letrozole (L) or Anastrozole (A), Trastuzumab
- Drug
- Lead sponsor
- Ruth O'Regan
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 4
- States / cities
- Chicago, Illinois • Rochester, New York • Hershey, Pennsylvania + 1 more
- Conditions
- Breast Cancer
- Interventions
- Atezolizumab, Trastuzumab Emtansine, Placebo, Trastuzumab
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,188 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2034
- U.S. locations
- 22
- States / cities
- Birmingham, Alabama • Buena, California • Santa Monica, California + 19 more
- Conditions
- Breast Cancer, TNBC - Triple-Negative Breast Cancer, HR Positive/HER-2 Negative Breast Cancer, HER2 + Breast Cancer, Early Stage Breast Cancer
- Interventions
- There are no interventions in this observational study.
- Other
- Lead sponsor
- Tempus AI
- Industry
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 900 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2033
- U.S. locations
- 16
- States / cities
- Birmingham, Alabama • Whittier, California • Weston, Florida + 13 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.