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 November 4, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 4, 2026, 3:26 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

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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

triple-negative HER2-positive hormone receptor-positive metastatic breast cancer

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

Showing 565–576 of 7,083 matching trials for Breast Cancer.

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Conditions: Breast Cancer
Interventions: Not listed
Lead sponsor: Albert Einstein College of Medicine; Other
Eligibility: 18 Years and older · Female only
Enrollment: 460 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2032
U.S. locations: 1
States / cities: The Bronx, New York

Conditions: Breast Cancer
Interventions: Nanomechanical Phenotype Test; Diagnostic Test
Lead sponsor: ARTIDIS AG; Industry
Eligibility: 18 Years and older
Enrollment: 2,706 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2035
U.S. locations: 4
States / cities: Dallas, Texas • Houston, Texas • Seattle, Washington

Conditions: Ovarian Cancer, Breast Cancer, Pancreatic Cancer, Prostate Cancer, Additional Indications Below for Module 4 and 5, Non-small Cell Lung Cancer, Colorectal Cancer, Bladder Cancer, Gastric Cancer, Biliary Cancer, Cervical Cancer, Endometrial Cancer, Small Cell Lung Cancer Only in Module 5
Interventions: AZD5305, Paclitaxel, Carboplatin, T- Dxd, Dato-DXd, Camizestrant; Drug
Lead sponsor: AstraZeneca; Industry
Eligibility: 18 Years to 130 Years
Enrollment: 702 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2027
U.S. locations: 5
States / cities: Boston, Massachusetts • New York, New York • Oklahoma City, Oklahoma + 1 more

Conditions: Invasive Ductal Breast Carcinoma, Invasive Ductal Carcinoma, Breast, DCIS, DCIS Grade 1, DCIS Grade 2, Breast Cancer
Interventions: Accelerated Partial Breast Irradiation; Radiation
Lead sponsor: Memorial Sloan Kettering Cancer Center; Other
Eligibility: 45 Years and older · Female only
Enrollment: 280 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2027
U.S. locations: 9
States / cities: Norwalk, Connecticut • Miami, Florida • Basking Ridge, New Jersey + 6 more

Conditions: Carcinoma, Ductal, Breast, Breast Cancer Female, Breast Neoplasm, Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer, Stage IV Breast Cancer
Interventions: G1T48, Palbociclib; Drug
Lead sponsor: G1 Therapeutics, Inc.; Industry
Eligibility: 18 Years and older · Female only
Enrollment: 107 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2022
U.S. locations: 6
States / cities: Beverly Hills, California • Stanford, California • Chicago, Illinois + 3 more

Conditions: Non Small Cell Lung Cancer, Esophageal Cancer, Small Cell Lung Cancer, Nasopharyngeal Cancer, Head and Neck Squamous Cell Carcinoma, Prostate Adenocarcinoma, Ovarian Cancer, Endometrial Cancer, Cervical Cancer, Triple Negative Breast Cancer
Interventions: BL-B01D1; Drug
Lead sponsor: SystImmune Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 540 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2030
U.S. locations: 22
States / cities: Beverly Hills, California • Duarte, California • Orange, California + 17 more

Conditions: Breast Cancer Screening, Breast Carcinoma in Situ, Breast Cancer
Interventions: Complete a health questionnaire, Provide a saliva sample for genetic testing, Screening advice based on a comprehensive risk assessment, Screening advice based on a basic risk assessment; Other · Device
Lead sponsor: University of California, San Francisco; Other
Eligibility: 30 Years to 74 Years · Female only
Enrollment: 100,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2029
U.S. locations: 11
States / cities: Birmingham, Alabama • Irvine, California • Los Angeles, California + 8 more

Conditions: ER+ Breast Cancer
Interventions: Elacestrant; Drug
Lead sponsor: Yale University; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 7
States / cities: New Haven, Connecticut • Washington D.C., District of Columbia • Baltimore, Maryland + 4 more

Conditions: Anatomic Stage IV Breast Cancer AJCC v8, Metastatic HER2-Negative Breast Carcinoma, Metastatic Malignant Neoplasm in the Bone
Interventions: Biospecimen Collection, Bone Scan, Computed Tomography, Electronic Health Record Review, Magnetic Resonance Imaging, Paclitaxel, Radium Ra 223 Dichloride, Single Photon Emission Computed Tomography; Procedure · Other · Drug + 1 more
Lead sponsor: National Cancer Institute (NCI); NIH
Eligibility: 18 Years and older
Enrollment: 70 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2027
U.S. locations: 30
States / cities: Birmingham, Alabama • Duarte, California • Orange, California + 26 more

Conditions: Breast Carcinoma
Interventions: Biopsy, Contrast-Enhanced Mammography, Questionnaire Administration, Radioactive Iodine; Procedure · Other
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 25 Years to 85 Years
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2028
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Malignant Breast Neoplasm, Malignant Digestive System Neoplasm, Peripheral Neuropathy
Interventions: Massage Therapy, Quality-of-Life Assessment, Questionnaire Administration; Procedure · Other
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 90 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2027
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Metastatic Breast Cancer, Breast Cancer
Interventions: Pulsed Electric Field (PEF) System, Questionnaires, Tumor Ablation; Device · Behavioral · Procedure
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: San Francisco, 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.

Breast Cancer clinical trials

How Breast Cancer studies are organized in the registry

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Live official records

Intra-Operative Radiation Registry

ARTIDIS Nanomechanical Generated Measurements for Early Breast Lesions

Study of AZD5305 as Monotherapy and in Combination With Anti-cancer Agents in Patients With Advanced Solid Malignancies

Study of 3-Day Partial Breast Radiation Therapy in Women With Breast Cancer

G1T48, an Oral SERD, Alone and in Combination With Palbociclib in ER-Positive, HER2-Negative Advanced Breast Cancer

Evaluate BL-B01D1 in Patients With Metastatic or Unresectable Non-Small Cell Lung Cancer (NSCLC) and Other Solid Tumors

Women Informed to Screen Depending on Measures of Risk (Wisdom Study)

Circulating Tumor DNA

Testing the Addition of Radium Therapy (Radium-223 Dichloride) to the Usual Chemotherapy Treatment (Paclitaxel) for Advanced Breast Cancer That Has Spread to the Bones

An Imaging Technology, Contrast-Enhanced Mammography, in Predicting Breast Cancer

Massage Therapy in Reducing Chemotherapy-Induced Peripheral Neuropathy in Patients With Gastrointestinal or Breast Malignancies

Pulsed Electric Field Ablation for Metastatic Breast Cancer

About this Breast Cancer clinical trials directory page