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Breast Cancer clinical trials in Phoenix, AZ
25 studies for Breast Cancer are looking for participants at sites in and around Phoenix (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
RecruitingObservational studyHealthy volunteers welcome
- Cancer Center at Saint Joseph's, Phoenix
A Study of Alisertib in Combination With Endocrine Therapy in Patients With HR-positive, HER2-negative Recurrent or Metastatic Breast Cancer
RecruitingPhase 2
- Mayo Clinic Hospital, Phoenix
PRE-ISPY Phase I/II Oncology Platform Program
RecruitingPhase 1/2
- Mayo Clinic Comprehensive Cancer Center, Phoenix
A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)
RecruitingPhase 3
- Mayo Clinic Cancer Center ( Site 0034), Phoenix
The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study
RecruitingPhase 3
- Ironwood Cancer & Research Centers, Phoenix
ASPEN-09-03: A Study of Evorpacept in Combination With Trastuzumab and Chemotherapy in Metastatic HER2-Positive Breast Cancer
RecruitingPhase 2
- Mayo Clinic Building-Phoenix, Phoenix
Signatera-Guided CDK4/6 Inhibitor Therapy in Breast Cancer
Recruiting
- Mayo Clinic Arizona, Phoenix
A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)
RecruitingPhase 3
- Mayo Clinic in Arizona - Phoenix, Phoenix
A Study of Imlunestrant (LY3484356) in Premenopausal Women With Estrogen Receptor-Positive (ER+) Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Early Breast Cancer
RecruitingPhase 2
- Mayo Clinic in Arizona - Phoenix, Phoenix
A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence
RecruitingPhase 3
- Banner University Medical Center - Phoenix Campus (Banner Good Samaritan Medical Center), Phoenix
Breast Cancer, Reasoning, and Activity Intervention
Recruiting
- Mayo Clinic in Arizona, Phoenix
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
RecruitingPhase 3
- The Dignity Health Cancer Institute, Phoenix
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
RecruitingPhase 3
- Cancer Center at Saint Joseph's, Phoenix
- Mayo Clinic Hospital in Arizona, Phoenix
Study of the Bria-IMT Regimen and CPI vs Physicians' Choice in Advanced Metastatic Breast Cancer.
RecruitingPhase 3
- Mayo Clinic-Comprehensive Cancer Center-Breast Clinic, Phoenix
Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial
RecruitingPhase 3
- Mayo Clinic Hospital in Arizona, Phoenix
Rinatabart Sesutecan (Rina-S, PRO1184, GEN1184) for Advanced Solid Tumors (GCT1184-01/ PRO1184-001)
RecruitingPhase 1/2
- USOR HonorHealth, Phoenix
E-Mindfulness Approaches for Living After Breast Cancer
RecruitingPhase 3
- Mayo Clinic Hospital in Arizona, Phoenix
A Study of Emiltatug Ledadotin (Emi-Le) in Participants With Solid Tumors
RecruitingPhase 1/2
- Mayo Clinic Comprehensive Cancer Center, Phoenix
A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.
RecruitingPhase 3
- Ironwood Cancer & Research Centers, Phoenix
The RolE of Prolonged Nightly faSTing to Improve Sleep and cOgnition in bREast Cancer Survivors
Recruiting
- Arizona State University, Phoenix
De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)
RecruitingPhase 3
- Cancer Center at Saint Joseph's, Phoenix
A Study of PARG Inhibitor ETX-19477 in Patients With Advanced Solid Malignancies
RecruitingPhase 1/2
- Mayo Clinic, Phoenix
Assessing Benefits and Harms of Cannabis/Cannabinoid Use Among Cancer Patients Treated in Community Oncology Clinics
RecruitingObservational study
- Cancer Center at Saint Joseph's, Phoenix
Clinical Validation of Early Detection Blood Test for Universal Large-scale Breast Cancer Screening
RecruitingObservational studyHealthy volunteers welcome
- Vincere Cancer Center, Phoenix
MammaPrint, BluePrint, and Full-genome Data Linked With Clinical Data to Evaluate New Gene EXpression Profiles
RecruitingObservational study
- Arizona Oncology Associates, PC, Phoenix
About Breast Cancer
Breast cancer is a cancer that starts in the breast tissue, when cells change and grow out of control. These extra cells can form a mass called a tumor.
More about Breast Cancer on MedlinePlus
Breast Cancer trials in other cities
- New York City, NY134 studies
- Houston, TX126 studies
- Boston, MA111 studies
- Nashville, TN80 studies
- Los Angeles, CA72 studies
- Edison, NJ68 studies
- St. Louis, MO64 studies
- Durham, NC63 studies
- Queens, NY63 studies
- Chicago, IL58 studies
- Philadelphia, PA56 studies
- Dallas, TX55 studies
Other studies in Phoenix
- Colorectal Cancer25 studies
- Obesity22 studies
- Non-Small Cell Lung Cancer20 studies
- Metastatic Cancer20 studies
- Heart Failure18 studies
- Prostate Cancer17 studies
- Cancer (all types)17 studies
- Multiple Myeloma16 studies
- Pancreatic Cancer16 studies
- Cardiovascular Disease16 studies
- Alzheimer's Disease15 studies
- Overweight15 studies
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.