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Hemophilia clinical trials recruiting in the U.S.

28 studies for Hemophilia are recruiting participants at sites across the United States.

Hemophilia is a rare disorder in which the blood does not clot normally. Usually hemophilia usually occurs in males and is inherited. Learn more.

Cities with the most studies

• Indianapolis, IN8 studies
• Los Angeles, CA7 studies
• Seattle, WA6 studies
• Cedar Rapids, IA6 studies
• Philadelphia, PA5 studies
• Sacramento, CA4 studies
• Greenville, NC4 studies
• Atlanta, GA4 studies
• Dallas, TX4 studies
• Tampa, FL4 studies
• Little Rock, AR4 studies
• Orange, CA4 studies
• Kansas City, MO3 studies
• Detroit, MI3 studies
• Chicago, IL3 studies
• San Francisco, CA3 studies
• St. Louis, MO3 studies
• San Antonio, TX3 studies
• Boston, MA3 studies
• Cincinnati, OH3 studies
• Harrisburg, PA3 studies
• Aurora, CO3 studies

By state

• Arkansas4 studies
• California14 studies
• Colorado3 studies
• Florida6 studies
• Georgia4 studies
• Illinois4 studies
• Indiana8 studies
• Iowa6 studies
• Massachusetts3 studies
• Michigan5 studies
• Missouri5 studies
• New York4 studies
• North Carolina6 studies
• Ohio5 studies
• Pennsylvania6 studies
• Texas8 studies
• Washington6 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.