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Blood Disorders clinical trials recruiting in the U.S.

34 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

• Boston, MA10 studies
• Atlanta, GA10 studies
• Houston, TX9 studies
• Los Angeles, CA9 studies
• The Bronx, NY8 studies
• New York City, NY7 studies
• Nashville, TN7 studies
• Mountain View, CA6 studies
• Durham, NC5 studies
• Washington, DC5 studies
• Greenville, NC5 studies
• Portland, OR5 studies
• Seattle, WA5 studies
• Birmingham, AL4 studies
• Milwaukee, WI4 studies
• San Diego, CA4 studies
• Philadelphia, PA4 studies
• Tampa, FL4 studies
• Baltimore, MD3 studies
• Baldwin Park, CA3 studies
• Buffalo, NY3 studies
• Columbus, OH3 studies
• Cleveland, OH3 studies
• Norfolk, VA3 studies
• Louisville, KY3 studies
• Indianapolis, IN3 studies
• Kansas City, MO3 studies
• Cedar Rapids, IA3 studies
• Miami, FL3 studies
• Phoenix, AZ3 studies
• Clifton, NJ3 studies

By state

• Alabama5 studies
• Arizona3 studies
• Arkansas3 studies
• California16 studies
• District of Columbia4 studies
• Florida9 studies
• Georgia11 studies
• Indiana3 studies
• Iowa3 studies
• Kentucky4 studies
• Maryland5 studies
• Massachusetts10 studies
• Minnesota3 studies
• Missouri4 studies
• New Jersey5 studies
• New York12 studies
• North Carolina9 studies
• Ohio6 studies
• Oregon5 studies
• Pennsylvania4 studies
• Tennessee7 studies
• Texas10 studies
• Virginia5 studies
• Washington6 studies
• Wisconsin5 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.