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Breast Cancer clinical trials in Boston, MA

110 studies for Breast Cancer are looking for participants at sites in and around Boston (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.

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Breast Cancer trials in other cities

• New York City, NY144 studies
• Houston, TX126 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
• Arlington, VA50 studies

Other studies in Boston

• Cancer (all types)90 studies
• Non-Small Cell Lung Cancer87 studies
• Lung Cancer63 studies
• Colorectal Cancer62 studies
• Ovarian Cancer62 studies
• Metastatic Cancer61 studies
• Prostate Cancer56 studies
• Endometrial Cancer51 studies
• Depression50 studies
• Heart Failure46 studies
• Multiple Myeloma45 studies
• Acute Myeloid Leukemia44 studies

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