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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, 9:22 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.

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

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

Filter and sort this condition

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 1009–1020 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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Recruiting Early Phase 1 Interventional

Breast Cancer PSMA PET

NCT06586047
Conditions
Triple Negative Breast Cancer
Interventions
PET imaging
Diagnostic Test
Lead sponsor
Ahmad Shariftabrizi
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Breast Cancer, Breast Cancer Female, Metastatic Triple-Negative Breast Carcinoma, ER Positive Breast Cancer, HER2-negative Breast Cancer, HER2 Negative Breast Carcinoma, ER-negative Breast Cancer
Interventions
Datopotamab Deruxtecan
Drug
Lead sponsor
Nancy Lin, MD
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
Miami, Florida • Boston, Massachusetts • Durham, North Carolina
Conditions
Breast Cancer Female, Breast Cancer, Breast Cancer Metastatic, Estrogen Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Stage IV Breast Cancer
Interventions
Nab-Paclitaxel, Paclitaxel, Docetaxel, Phesgo, T-DM1, Pertuzumab, Trastuzumab Deruxtecan, Trastuzumab Subcutaneous Subcutaneous, Tucatinib, Trastuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Breast Cancer
Interventions
Doxorubicin, Cyclophosphamide, Docetaxel, Paclitaxel
Drug
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older · Female only
Enrollment
4,242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2025
U.S. locations
914
States / cities
Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 612 more
Active, not recruiting Phase 2 Interventional

STOP-HER2: Stopping Trastuzumab in HER2+ MBC

NCT05721248
Conditions
Breast Cancer, Metastatic Breast Cancer, HER2-positive Breast Cancer
Interventions
Cessation of anti-HER2 treatment
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2036
U.S. locations
13
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Jacksonville, Florida + 10 more
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8
Interventions
Best Practice, Internet-Based Intervention, Questionnaire Administration
Other · Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Financial Toxicity, Cancer, Question Prompt List, Breast Cancer, Prostate Cancer
Interventions
Group 2: The DISCO App, Group 1: Usual Care, Group 3: The DISCO App + Booster
Behavioral
Lead sponsor
Lauren Hamel
Other
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Breast Cancer, Weight Loss
Interventions
TOPS Classes
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years to 90 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Active, not recruiting Phase 2 Interventional Results available

Vitamin D and Physical Activity on Bone Health

NCT01419730
Conditions
Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
Interventions
Vitamin D3, Physical Activity
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, New York
Conditions
Cancer
Interventions
survey, questionaire
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
25 Years to 49 Years · Female only
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2027
U.S. locations
2
States / cities
New York, New York • Memphis, Tennessee
Conditions
Breast Cancer
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Breast Cancer, Taxane-Induced Peripheral Neuropathy
Interventions
Real Acupuncture, Sham Acupuncture
Procedure · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 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.