- Conditions
- HER2-positive Breast Cancer
- Interventions
- tucatinib, placebo, T-DM1
- Drug
- Lead sponsor
- Seagen, a wholly owned subsidiary of Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 466 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2029
- U.S. locations
- 321
- States / cities
- Mobile, Alabama • Gilbert, Arizona • Goodyear, Arizona + 180 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 the Clinical Trials Finder editorial team Guidance last reviewed June 10, 2026 Data synced July 24, 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.
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 Malignant Solid Neoplasm, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Locally Advanced Malignant Solid Neoplasm, Malignant Female Reproductive System Neoplasm, Metastatic HER2-Negative Breast Carcinoma, Metastatic Malignant Solid Neoplasm, Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Malignant Female Reproductive System Neoplasm, Recurrent Malignant Solid Neoplasm, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma, Unresectable HER2-Negative Breast Carcinoma, Unresectable Malignant Solid Neoplasm
- Interventions
- Alpelisib, Binimetinib, Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Bone Scan, Computed Tomography, Echocardiography Test, Fluorouracil, Fulvestrant, Ipatasertib, Leucovorin, Magnetic Resonance Imaging, Multigated Acquisition Scan, Mutation Carrier Screening, Neratinib Maleate, Nilotinib Hydrochloride Monohydrate, Olaparib, Oxaliplatin, Paclitaxel, Palbociclib, Panitumumab, Positron Emission Tomography, Selumetinib Sulfate, Sotorasib
- Drug · Procedure · Biological
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- Not listed
- Enrollment
- 2,900 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2030
- U.S. locations
- 479
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 355 more
- Conditions
- Breast Neoplasms
- Interventions
- Patritumab deruxtecan, Paclitaxel, Nab-paclitaxel, Capecitabine, Liposomal doxorubicin, Trastuzumab deruxtecan
- Biological · Drug
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2033
- U.S. locations
- 34
- States / cities
- Daphne, Alabama • Tucson, Arizona • Los Angeles, California + 27 more
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma
- Interventions
- Biospecimen Collection, Computed Tomography, Gemcitabine, Magnetic Resonance Imaging, Naxitamab, Universal Donor Expanded TGF-beta-imprinted NK Cells
- Procedure · Drug · Biological
- Lead sponsor
- Margaret Gatti-Mays
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Breast Cancer, Metastatic Breast Cancer, Triple Negative Breast Cancer, Estrogen-receptor-positive Breast Cancer, Hormone Receptor Negative Breast Carcinoma
- Interventions
- SERD* + abemaciclib, SERD* + everolimus, SERD* + everolimus or capecitabine, SOC, Antiandrogen
- Drug
- Lead sponsor
- UNC Lineberger Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 700 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2031
- U.S. locations
- 3
- States / cities
- Baltimore, Maryland • Rochester, Minnesota • Chapel Hill, North Carolina
- Conditions
- Advanced Solid Tumor, Metastatic Solid Tumor, Prostate Cancer, Pancreas Cancer, Breast Cancer, Ovarian Cancer, Homologous Recombination Deficiency
- Interventions
- MOMA-313, Olaparib
- Drug
- Lead sponsor
- MOMA Therapeutics
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 220 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 12
- States / cities
- Goodyear, Arizona • La Jolla, California • San Francisco, California + 8 more
- Conditions
- Breast Carcinoma, Colorectal Carcinoma
- Interventions
- Biopsy, Biospecimen Collection, Bone Scan, Computed Tomography, Immunotherapy, Magnetic Resonance Imaging, Positron Emission Tomography, Stereotactic Body Radiation Therapy
- Procedure · Drug · Radiation
- Lead sponsor
- City of Hope Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Duarte, California
- Conditions
- Breast Neoplasms, Gastroesophageal Junction Adenocarcinoma, HER2 Low Breast Neoplasms, HER2 Positive Breast Neoplasms, Stomach Neoplasms, Triple Negative Breast Neoplasms, Metastatic Breast Cancer, Metastatic Gastric Cancer, Advanced Breast Cancer, Advanced Gastric Cancer
- Interventions
- disitamab vedotin, tucatinib
- Drug
- Lead sponsor
- Seagen, a wholly owned subsidiary of Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2029
- U.S. locations
- 77
- States / cities
- Tucson, Arizona • Orange, California • San Francisco, California + 39 more
- Conditions
- HER2+ Metastatic Breast Cancer
- Interventions
- Asciminib and Trastuzumab
- Combination Product
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2032
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Breast Neoplasms, Neoplasm Metastasis
- Interventions
- Imlunestrant, Exemestane, Fulvestrant, Abemaciclib
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 874 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 48
- States / cities
- Chandler, Arizona • Gilbert, Arizona • Greenbrae, California + 29 more
- Conditions
- Breast Cancer, Ovarian Cancer, Endometrial Cancer, PIK3CA Mutation, HER2- Negative Breast Cancer, Advanced Breast Cancer, Unresectable Solid Tumor, Hormone Receptor Positive Tumor, Cervical Cancer
- Interventions
- RGT-490
- Drug
- Lead sponsor
- Regor Pharmaceuticals Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 5
- States / cities
- Los Angeles, California • Houston, Texas • San Antonio, Texas + 1 more
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Locally Advanced Cutaneous Melanoma, Locally Advanced Mucosal Melanoma, Metastatic Acral Melanoma, Metastatic Conjunctival Melanoma, Metastatic Cutaneous Melanoma, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Mucosal Melanoma, Pathologic Stage IIIC Cutaneous Melanoma AJCC v8, Pathologic Stage IIID Cutaneous Melanoma AJCC v8, Recurrent Cutaneous Melanoma, Recurrent HER2-Negative Breast Carcinoma, Recurrent Hormone Receptor-Positive Breast Carcinoma, Recurrent Lung Non-Small Cell Carcinoma, Recurrent Mucosal Melanoma, Stage III Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Unresectable Acral Melanoma, Unresectable Cutaneous Melanoma, Unresectable Lung Non-Small Cell Carcinoma, Unresectable Mucosal Melanoma
- Interventions
- Neoantigen Peptide Vaccine, Nivolumab, Poly ICLC, Echocardiography Test, Multigated Acquisition Scan, Biopsy Procedure, Biospecimen Collection, Computed Tomography, Positron Emission Tomography, Ruxolitinib
- Biological · Drug · Procedure
- Lead sponsor
- Fred Hutchinson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2028
- U.S. locations
- 1
- States / cities
- Seattle, Washington
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.