How many clinical trials are available for Breast Cancer?

TrialFinder currently lists 1121 recruiting clinical trials for Breast Cancer. Results are updated regularly from ClinicalTrials.gov, the official U.S. registry of clinical studies.

Are Breast Cancer clinical trials free to participate in?

Study-related care is provided at no cost to participants. The trial sponsor covers the experimental treatment, required lab tests, imaging, and study visits. Many trials also offer compensation for your time and travel costs. You do not need health insurance to enroll.

How do I qualify for a Breast Cancer clinical trial?

Each trial has eligibility criteria based on age, diagnosis details, prior treatment history, current medications, and general health markers. The fastest way to find out if you qualify is to contact the research team directly — most sites will pre-screen you by phone in 10 to 15 minutes at no charge.

How do I find Breast Cancer clinical trials near me?

Use TrialFinder's search to enter your condition and city or zip code. Results are filtered to actively recruiting trials and sorted by proximity. You can also create a free profile to receive personalized matches based on your condition and location.

1121 Recruiting Trials

Clinical Trials for Breast Cancer

Breast cancer trials test new chemotherapy regimens, immunotherapy combinations, targeted therapies, and early-detection methods across all stages of breast cancer.

Showing 15 of 1121 recruiting trials

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

PHASE3 Daphne, Alabama +4 more NCT06492616

Recruiting

A Study Evaluating the Efficacy and Safety of Inavolisib Plus CDK4/6 Inhibitor and Letrozole vs Placebo + CDK4/6i and Letrozole in Participants With Endocrine-Sensitive PIK3CA-Mutated, Hormone Receptor-Positive, HER2-Negative Advanced Breast Cancer

PHASE3 Goodyear, Arizona +4 more NCT06790693

Recruiting

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

PHASE3 Gilbert, Arizona +4 more NCT06982521

Recruiting

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

PHASE3 Birmingham, Alabama +4 more NCT05879926

Recruiting

Study of the Bria-IMT Regimen and CPI vs Physicians' Choice in Advanced Metastatic Breast Cancer.

PHASE3 Phoenix, Arizona +4 more NCT06072612

Recruiting

A Study Evaluating the Efficacy and Safety of Inavolisib Plus Fulvestrant Compared With Alpelisib Plus Fulvestrant in Participants With HR-Positive, HER2-Negative, PIK3CA Mutated, Locally Advanced or Metastatic Breast Cancer Post CDK4/6i and Endocrine Combination Therapy

PHASE3 Greenbrae, California +4 more NCT05646862

Recruiting

A Study of Dato-DXd in Inoperable or Metastatic Hormone Receptor-positive, HER2 IHC 0 Breast Cancer

PHASE3 Largo, Florida +4 more NCT07205822

Recruiting

A Phase III Study of Dato-DXd With or Without Durvalumab Compared With Investigator's Choice of Chemotherapy in Combination With Pembrolizumab in Patients With PD-L1 Positive Locally Recurrent Inoperable or Metastatic Triple-negative Breast Cancer (TROPION-Breast05)

PHASE3 Daphne, Alabama +4 more NCT06103864

Recruiting

Palazestrant in Combination With Ribociclib for the First-line Treatment of ER+/HER2- Advanced Breast Cancer

PHASE3 Hot Springs, Arkansas +4 more NCT07085767

Recruiting

Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects

PHASE3 Mobile, Alabama +4 more NCT05232916

Recruiting

E-Mindfulness Approaches for Living After Breast Cancer

PHASE3 Phoenix, Arizona +4 more NCT06748222

Recruiting

Conventionally Fractionated vs. Hypofractionated Comprehensive Nodal Irradiation for Breast Cancer Using Pencil Beam Scanning Proton Therapy

PHASE3 Scottsdale, Arizona +4 more NCT05856773

Recruiting

Trial Of PreoperAtive Radiation (TOPAz): A Randomized Trial Comparing Hypofractionated Versus Conventionally Fractionated Preoperative Radiation Followed by Mastectomy With Immediate Autologous Breast Reconstruction With Integrated Nanomechanical Biomarker Evaluation

PHASE3 Houston, Texas NCT05774678

Recruiting

Two Versus One Week Breast Radiotherapy (RT)

PHASE3 New York, New York +2 more NCT06960707

Recruiting

Trastuzumab Deruxtecan (T-DXd) in Patients Who Have Hormone Receptor-negative and Hormone Receptor-positive HER2-low or HER2 IHC 0 Metastatic Breast Cancer

PHASE3 Miami Beach, Florida +4 more NCT05950945

Recruiting

See all 1121 results

Helpful Reading

Are Clinical Trials Safe? What Patients Should Know

How clinical trial safety works — phases, IRB oversight, informed consent, and your right to withdraw — plus the real risks and questions to ask.

How to Know If You Qualify for a Clinical Trial

Every trial has eligibility criteria based on diagnosis, age, and medical history. Here's how to tell if you qualify — and what to do if you're not sure.

Clinical Trials Without Insurance: What You Need to Know

Clinical trials cover the cost of study-related care, making them one of the few ways to access treatment without health insurance. Here's what's covered.

All guides →

Check Your Eligibility

Create a free profile and our AI will match you to trials you may qualify for.

Get Matched — Free

No insurance required

Browse by Condition

Diabetes Cancer Breast Cancer Depression Anxiety Alzheimer's Heart Disease Asthma Multiple Sclerosis Obesity Parkinson's Lupus Hypertension COPD Stroke Arthritis Kidney Disease COVID-19

Breast Cancer Trials by State

California Texas New York Florida Illinois Pennsylvania Ohio Georgia North Carolina Michigan New Jersey Washington Arizona Massachusetts Tennessee Colorado Minnesota Maryland Wisconsin Oregon