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Breast Cancer clinical trials in Everett, WA
5 studies for Breast Cancer are looking for participants at sites in and around Everett (within about 30 miles). Open a study to see who can join and how to contact the study team.
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
- Providence Regional Cancer Partnership, Everett
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
- Providence Regional Cancer Partnership, Everett
Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
RecruitingObservational studyHealthy volunteers welcome
- Providence Regional Cancer Partnership, Everett
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
- Providence Regional Cancer Partnership, Everett
Assessing Benefits and Harms of Cannabis/Cannabinoid Use Among Cancer Patients Treated in Community Oncology Clinics
RecruitingObservational study
- Jefferson Healthcare, Port Townsend · 28 mi away
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, MA110 studies
- Nashville, TN79 studies
- Los Angeles, CA71 studies
- Edison, NJ69 studies
- St. Louis, MO64 studies
- Durham, NC63 studies
- Queens, NY63 studies
- Chicago, IL58 studies
- Philadelphia, PA56 studies
- Dallas, TX54 studies
Other studies in Everett
- Major Depressive Disorder8 studies
- Depression7 studies
- Colorectal Cancer5 studies
- Schizophrenia4 studies
- Bipolar Disorder4 studies
- Prostate Cancer4 studies
- Melanoma3 studies
From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.