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Pain After Surgery clinical trials recruiting in the U.S.

116 studies for Pain After Surgery are recruiting participants at sites across the United States.

Cities with the most studies

• Boston, MA11 studies
• New York City, NY10 studies
• St. Louis, MO8 studies
• Los Angeles, CA7 studies
• Durham, NC6 studies
• Houston, TX5 studies
• San Francisco, CA5 studies
• Baltimore, MD5 studies
• Salt Lake City, UT5 studies
• San Diego, CA5 studies
• Mountain View, CA5 studies
• Dallas, TX4 studies
• Detroit, MI4 studies
• Chicago, IL4 studies
• Charleston, SC4 studies
• Cleveland, OH4 studies
• Philadelphia, PA4 studies
• Ann Arbor, MI4 studies
• Aurora, CO3 studies
• Winston-Salem, NC3 studies
• Cincinnati, OH3 studies
• Oklahoma City, OK3 studies
• Seattle, WA3 studies

By state

• California25 studies
• Colorado3 studies
• Florida4 studies
• Illinois8 studies
• Maryland5 studies
• Massachusetts12 studies
• Michigan6 studies
• Missouri8 studies
• New Jersey4 studies
• New York12 studies
• North Carolina8 studies
• Ohio7 studies
• Oklahoma3 studies
• Pennsylvania5 studies
• South Carolina5 studies
• Texas10 studies
• Utah5 studies
• Washington4 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.