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Breast Cancer clinical trials in Boulder, CO

4 studies for Breast Cancer are looking for participants at sites in and around Boulder (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 →

About Breast Cancer

Breast cancer is a cancer that starts in the breast tissue, when cells change and grow out of control. Learn about the types, diagnosis, and treatments.

More about Breast Cancer on MedlinePlus

Breast Cancer trials in other cities

• New York City, NY144 studies
• Houston, TX126 studies
• Boston, MA110 studies
• Nashville, TN78 studies
• Los Angeles, CA73 studies
• Edison, NJ70 studies
• Queens, NY67 studies
• Durham, NC63 studies
• St. Louis, MO63 studies
• Chicago, IL59 studies
• Dallas, TX54 studies
• Philadelphia, PA51 studies

Other studies in Boulder

• Non-Small Cell Lung Cancer7 studies
• Mild Cognitive Impairment5 studies
• Lung Cancer5 studies
• Prostate Cancer5 studies
• Disorders of Excessive Somnolence4 studies
• Metabolic Syndrome4 studies
• Frailty4 studies
• Ovarian Cancer4 studies
• Colorectal Cancer4 studies
• Narcolepsy3 studies
• Sleep Disorders3 studies
• Fatigue3 studies

From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.