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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 Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced November 15, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 15, 2026, 2:41 PM 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.

Official matching trials
7089
Shown on this page
12
Current sort
Recently updated
Condition scope
Breast Cancer
Additional filters apply within this condition.

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.

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.

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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 1153–1164 of 7,089 matching trials for Breast Cancer.
Live ClinicalTrials.gov results.
Local aggregate panels are unavailable or hidden for filtered views. The result list above identifies its data source.

Live official records

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Active, not recruiting Phase 1 Interventional

Evaluating in Vivo PARP-1 Expression With 18F-FluorThanatrace Positron Emission Tomography (PET/CT) in Breast Cancer

NCT03083288
View directory record Official record
Conditions
Breast Cancer
Interventions
[18F]FluorThanatrace
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Recruiting Phase 1Phase 2 Interventional

Atezolizumab Plus Tivozanib in Immunologically Cold Tumor Types

NCT05000294
View directory record Official record
Conditions
Bile Duct Cancer, Gall Bladder Cancer, Breast Cancer, Neuroendocrine Tumors, Ovarian Cancer, Pancreatic Adenocarcinoma, Soft Tissue Sarcoma, Vulvar Cancer, Prostate Cancer
Interventions
Atezolizumab, Tivozanib
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Not yet recruiting Phase 3 Interventional

Effects, Metabolic Mechanisms and Predictors of Response to Acupuncture in Treating Psychoneurological Symptoms Among Breast Cancer Survivors

NCT07695948
View directory record Official record
Conditions
Breast Cancer
Interventions
Acupuncture, Sham acupuncture
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years and older · Female only
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Not yet recruiting Not applicable Interventional

Early Intervention

NCT05326165
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Treatment Related Lymphedema
Interventions
Juzo Compression Sleeve and Glove, Compression Sleeve Sensor
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Active, not recruiting Phase 1 Interventional

A Study of PARG Inhibitor IDE161 in Participants With Advanced Solid Tumors

NCT05787587
View directory record Official record
Conditions
Advanced or Metastatic Solid Tumors, Breast Cancer, Ovarian Cancer, Prostate Cancer, Endometrial Cancer, Colorectal Cancer, Head and Neck Cancers, Extensive Stage Small Cell Lung Cancer (ES-SCLC), NSCLC
Interventions
IDE-161, Pembrolizumab
Drug
Lead sponsor
IDEAYA Biosciences
Industry
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
27
States / cities
Phoenix, Arizona • Los Angeles, California • Newport Beach, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Active, not recruiting Phase 2 Interventional

Pre-op Pembro + Radiation Therapy in Breast Cancer (P-RAD)

NCT04443348
View directory record Official record
Conditions
Triple Negative Breast Cancer, Hormone Receptor Positive (HR+), HER2-negative Breast Cancer, Biopsy-proven, Positive Lymph Node(s)
Interventions
Radiation Therapy Boost, Pembrolizumab, Paclitaxel, Carboplatin, Cyclophosphamide, Doxorubicin, Capecitabine
Radiation · Drug
Lead sponsor
Laura M. Spring, MD
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Terminated Phase 1 Interventional

A Phase 1 Study of 68Ga-R11228 and 177Lu-R11228 in Breast Cancer

NCT07121244
View directory record Official record
Conditions
Locoregionally Recurrent Hormone-receptor Positive Breast Cancer, Metastatic Hormone Receptor Positive Breast Cancer
Interventions
68Ga-R11228, 177Lu-R11228
Drug
Lead sponsor
Radionetics Oncology
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Indianapolis, Indiana • Glen Burnie, Maryland • Princeton, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Active, not recruiting Phase 1 Interventional

Testing a New Imaging Agent to Identify Cancer

NCT04692831
View directory record Official record
Conditions
HER-2 Positive Malignant Carcinoma of Breast, HER-2 Protein Overexpression, HER2-positive Metastatic Breast Cancer
Interventions
89Zr-ss-pertuzumab PET/CT
Combination Product
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Recruiting Not applicable Interventional

Fast-Her: Fasting Effects on Breast Cancer Treatment

NCT07624617
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Normal Eating, Prolonged Fasting
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Active, not recruiting Not applicable Interventional

Exploring the Efficacy and Feasibility of the LymphaTech Scanner for Breast Cancer-Related Lymphedema Screening

NCT03861975
View directory record Official record
Conditions
Breast Cancer
Interventions
Breast Cancer-Related Lymphedema Measurements
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Active, not recruiting Phase 1Phase 2 Interventional

Study of Stereotactic Radiosurgery With Olaparib Followed by Durvalumab and Physician's Choice Systemic Therapy in Subjects With Breast Cancer Brain Metastases

NCT04711824
View directory record Official record
Conditions
Breast Cancer, Brain Metastases, Adult
Interventions
Olaparib, Stereotactic Radiosurgery, Durvalumab, Physicians Choice systemic chemotherapy
Drug · Radiation
Lead sponsor
Colette Shen
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Birmingham, Alabama • Hollywood, Florida • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Nov 15, 2026, 2:41 PM EST
Active, not recruiting Not applicable Interventional

Supervised Aerobic Training During or After Chemotherapy for Operable Breast Cancer

NCT01943695
View directory record Official record
Conditions
Breast Cancer
Interventions
Aerobic Training, Educational Information, Supervised Home Based Training
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 80 Years · Female only
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Nov 15, 2026, 2:41 PM EST

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.