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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 October 17, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 17, 2026, 5:59 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
678
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 433–444 of 678 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

Open in full search
Conditions
Breast Cancer
Interventions
metformin hydrochloride, placebo
Drug · Other
Lead sponsor
Canadian Cancer Trials Group
Network
Eligibility
18 Years to 74 Years
Enrollment
3,649 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
280
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Scottsdale, Arizona + 213 more
Completed Not applicable Interventional Results available

THRIVE Breast Cancer App Study

NCT03592771
Conditions
Breast Neoplasm Female
Interventions
THRIVE App, Tailored Feedback Messages
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 110 Years · Female only
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Memphis, Tennessee
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Pembrolizumab, Tamoxifen, Vorinostat
Biological · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Francisco, California
Conditions
Breast Cancer, Metastatic Breast Cancer, Hormone Receptor Positive Breast Carcinoma
Interventions
SM-88
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Hackensack, New Jersey
Conditions
Advanced Breast Cancer, Metastatic Breast Cancer, Breast Cancer, Breast Carcinoma, Cancer of the Breast, Cancer of Breast, Malignant Tumor of Breast, Breast Tumor
Interventions
NUV-422, Fulvestrant
Drug
Lead sponsor
Nuvation Bio Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
5
States / cities
Anaheim, California • Fountain Valley, California • Canton, Ohio + 2 more
Conditions
Breast Cancer, Stage IV Breast Cancer
Interventions
tamoxifen
Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
292
States / cities
Birmingham, Alabama • Mobile, Alabama • Fort Smith, Arkansas + 203 more
Conditions
Metastatic Breast Cancer
Interventions
huMNC2-CAR44 CAR T cells or huMNC2-CAR22 CAR T cells, huMNC2-CAR44 CAR T cells or huMNC2-CAR22 CAR T cells @ RP2D
Biological
Lead sponsor
Minerva Biotechnologies Corporation
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2035
U.S. locations
1
States / cities
Duarte, California
Conditions
Breast Cancer
Interventions
quality-of-life assessment
Procedure
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
0 Years to 120 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
224
States / cities
Fairbanks, Alaska • Phoenix, Arizona • Fairfield, California + 144 more
Conditions
Breast Neoplasm, Hormone Receptor Positive Breast Carcinoma
Interventions
Abemaciclib, Fulvestrant
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Orange, California
Conditions
HER2-negative Breast Cancer, Advanced Breast Cancer, Hormone Receptor-positive Breast Cancer
Interventions
Part 1, Part 2, Part 3
Drug
Lead sponsor
Sun Pharma Advanced Research Company Limited
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Newport Beach, California • Chicago, Illinois
Conditions
Invasive Breast Cancer
Interventions
Fulvestrant, Anastrazole
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Metastatic Breast Cancer
Interventions
Erlotinib
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Chicago, Illinois

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.