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Bleeding clinical trials in Portland, OR

3 studies for Bleeding are looking for participants at sites in and around Portland (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 Bleeding

Bleeding is the loss of blood, inside or outside the body. A hemorrhage is severe bleeding. Learn about the causes of bleeding and how to treat it.

More about Bleeding on MedlinePlus

Bleeding trials in other cities

• Boston, MA10 studies
• New York City, NY10 studies
• Houston, TX8 studies
• Cleveland, OH6 studies
• Los Angeles, CA6 studies
• Atlanta, GA6 studies
• Indianapolis, IN6 studies
• Chicago, IL6 studies
• Durham, NC6 studies
• St. Louis, MO5 studies
• Philadelphia, PA5 studies
• Seattle, WA5 studies

Other studies in Portland

• Non-Small Cell Lung Cancer49 studies
• Cancer (all types)36 studies
• Breast Cancer33 studies
• Prostate Cancer33 studies
• Metastatic Cancer29 studies
• Ovarian Cancer28 studies
• Colorectal Cancer28 studies
• Lung Cancer27 studies
• Acute Myeloid Leukemia24 studies
• Endometrial Cancer24 studies
• Pancreatic Cancer19 studies
• Head and Neck Squamous Cell Carcinoma19 studies

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