Independent directory Public ClinicalTrials.gov records United States
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 3, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 3, 2026, 2:20 AM EST

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

Official matching trials
7081
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.

Reset condition filters
Clear filters
Showing 541–552 of 7,081 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
Gastric or Gastro-esophageal Junction (GEJ) Adenocarcinoma, Pancreatic Adenocarcinoma
Interventions
ASP546C
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • Miami, Florida + 15 more
Conditions
Breast Cancer Female
Interventions
Metacognitive Strategy Training (MCST), Inactive Control Group
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
20 Years to 75 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Breast Cancer Stage III, HER2-positive Metastatic Breast Cancer, Unresectable Breast Carcinoma, Her2-Positive, HER2 Gene Mutation, Gastroesophageal-junction Cancer, Non Small Cell Lung Cancer, Endometrial Neoplasms, Peritoneal Cancer, Fallopian Tube Cancer, Ovarian Cancer, Urothelial Carcinoma Bladder, Solid Tumor, Adult, Gastric Cancer
Interventions
BL-M17D1
Drug
Lead sponsor
SystImmune Inc.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
9
States / cities
Denver, Colorado • New Haven, Connecticut • Lake Mary, Florida + 6 more
Conditions
Breast Cancer Survivor
Interventions
Mindfulness Oriented Recovery Enhancement (MORE), Questionnaires, Supportive Psychotherapy (SG)
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
9
States / cities
San Diego, California • Tallahassee, Florida • Basking Ridge, New Jersey + 6 more
Recruiting No phase listed Observational

Intra-Operative Radiation Registry

NCT04994067
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
Recruiting No phase listed Observational

Biopsy-site-marker in Breast Cancer

NCT07833566
Conditions
Breast Cancer
Interventions
Biopsy-Site Marker Placement.
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
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
Breast Cancer, Anthracycline Related Cardiotoxicity in Breast Cancer, Virtual Reality, Trastuzumab
Interventions
Cardiovascular Health Education and Gaming through Virtual Reality
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Richmond, Virginia
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
Metastatic Breast Cancer
Interventions
JNJ-101684362 (HLD-0117)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
6
States / cities
New Haven, Connecticut • Sarasota, Florida • Boston, Massachusetts + 3 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
Recruiting Phase 2 Interventional

Circulating Tumor DNA

NCT06923527
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

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.