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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

ClinicalTrials.gov public records Last synced Jul 24, 2026, 6:03 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
12
Shown on this page
12
Current sort
Recently updated
Condition scope
Breast Cancer
Additional filters apply within this condition.
The trial list below is retrieved from the live ClinicalTrials.gov search API for Breast Cancer. Results on this page are currently sorted by Recently updated.

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.

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These controls apply only within Breast Cancer. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 13–24 of 12 matching trials for Breast Cancer.
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Live official records

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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
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.