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Blood Disorders clinical trials recruiting in the U.S.

36 studies for Blood Disorders are recruiting participants at sites across the United States.

Blood disorders affect one or more parts of the blood and prevent your blood from doing its job. Find out about the types, causes, and treatments.

Cities with the most studies

• Houston, TX11 studies
• Atlanta, GA11 studies
• Boston, MA10 studies
• Los Angeles, CA10 studies
• New York City, NY9 studies
• The Bronx, NY8 studies
• Durham, NC7 studies
• Nashville, TN7 studies
• Mountain View, CA7 studies
• San Diego, CA6 studies
• Seattle, WA6 studies
• Indianapolis, IN5 studies
• Portland, OR5 studies
• Washington, DC5 studies
• Greenville, NC5 studies
• Columbus, OH4 studies
• Miami, FL4 studies
• Milwaukee, WI4 studies
• Tampa, FL4 studies
• Philadelphia, PA4 studies
• Cleveland, OH4 studies
• Baldwin Park, CA4 studies
• Birmingham, AL4 studies
• St. Louis, MO3 studies
• Augusta, GA3 studies
• Phoenix, AZ3 studies
• Orange, CA3 studies
• Buffalo, NY3 studies
• Clifton, NJ3 studies
• Sacramento, CA3 studies
• Cedar Rapids, IA3 studies
• Baltimore, MD3 studies
• Kansas City, MO3 studies
• San Francisco, CA3 studies
• Norfolk, VA3 studies
• Louisville, KY3 studies

By state

• Alabama5 studies
• Arizona3 studies
• Arkansas3 studies
• California19 studies
• District of Columbia4 studies
• Florida10 studies
• Georgia13 studies
• Indiana5 studies
• Iowa3 studies
• Kentucky4 studies
• Maryland5 studies
• Massachusetts10 studies
• Minnesota4 studies
• Missouri5 studies
• New Jersey5 studies
• New York14 studies
• North Carolina11 studies
• Ohio7 studies
• Oregon5 studies
• Pennsylvania4 studies
• Tennessee7 studies
• Texas12 studies
• Virginia6 studies
• Washington7 studies
• Wisconsin5 studies

Recently updated studies

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