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 October 27, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 27, 2026, 10:41 AM 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
7076
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 85–96 of 7,076 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
Pregnancy, Cancer, Cancer in Pregnancy, Gestational Breast Cancer, Pregnancy Related
Interventions
Not listed
Lead sponsor
The Cooper Health System
Other
Eligibility
Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2028
U.S. locations
1
States / cities
Camden, New Jersey
Conditions
Advanced or Metastatic Solid Tumors, Triple Negative Breast Cancer (TNBC), HR+ Breast Cancer, Colon Cancer, Gastric Cancer, Hepatecellular Carcinoma, NSCLC (Advanced Non-small Cell Lung Cancer), Mesothelioma, Pancreatic Carcinoma Metastatic, Hormone Refractory Prostate Cancer, Soft Tissue Sarcomas
Interventions
SHY-ONC6
Drug
Lead sponsor
SHY Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Scottsdale, Arizona • Houston, Texas • San Antonio, Texas
Conditions
Breast Cancer Females, Newly Diagnosed Breast Cancer
Interventions
Sexual Health Educational Video Series, Standard Care (in control arm)
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Aurora, Colorado • Denver, Colorado • Highlands Ranch, Colorado
Conditions
Triple Negative Breast Neoplasms
Interventions
Pembrolizumab, Carboplatin, Paclitaxel, Doxorubicin, Epirubicin, Cyclophosphamide, Placebo, Granulocyte colony stimulating factor: Filgrastim or Pegfilgrastim
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
47
States / cities
Scottsdale, Arizona • Tucson, Arizona • Los Angeles, California + 38 more
Conditions
Breast Cancer, Cancer Survivor
Interventions
educational intervention, counseling intervention, standard follow-up care, quality-of-life assessment, questionnaire administration
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
2
States / cities
Duarte, California • Lancaster, California
Recruiting No phase listed Observational

Post-market Safety Study of LUMISIGHT

NCT07572162
Conditions
Hypersensitivity Reactions
Interventions
Not listed
Lead sponsor
Lumicell, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
Mobile, Alabama • Palo Alto, California
Conditions
ER+/HER2- Early or Locally Advanced/Metastatic Breast Cancer
Interventions
Giredestrant
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
U.S. locations
9
States / cities
Anchorage, Alaska • Fountain Valley, California • Redlands, California + 6 more
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Duarte, California
Conditions
HER-2 Positive Breast Cancer, Estrogen Receptor Positive Breast Cancer
Interventions
palbociclib, trastuzumab, pertuzumab, letrozole, Anastrozole, Exemestane, Fulvestrant
Drug
Lead sponsor
Alliance Foundation Trials, LLC.
Other
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
35
States / cities
San Francisco, California • Washington D.C., District of Columbia • Clearwater, Florida + 30 more
Conditions
Locally Advanced or Metastatic ER+ HER2- Breast Cancer, Locally Advanced or Metastatic Castration-resistant Prostate Cancer, Locally Advanced or Metastatic Non-small Cell Lung Cancer
Interventions
PF-07248144, Fulvestrant, Letrozole, Palbociclib, PF-07220060, PF-07850327, ARV-471, vepdegestrant
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
22
States / cities
Scottsdale, Arizona • Los Angeles, California • San Francisco, California + 11 more
Active, not recruiting Not applicable Interventional Results available

MRI-Based Preoperative Accelerated Partial Breast Irradiation

NCT02728076
Conditions
Breast Cancer
Interventions
Phase II - Preoperative Radiation followed by Lumpectomy.
Radiation
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
40 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Breast Cancer
Interventions
Sentinel node biopsy with blue dye and radioisotope
Diagnostic Test
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio

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.