Home › Attention Deficit Hyperactivity Disorder

Attention Deficit Hyperactivity Disorder clinical trials recruiting in the U.S.

69 studies for Attention Deficit Hyperactivity Disorder are recruiting participants at sites across the United States.

Attention deficit hyperactive disorder (ADHD) is a neurodevelopmental disorder. Its main symptoms are inattention, hyperactivity, and impulsivity. Learn more.

Cities with the most studies

• Boston, MA10 studies
• Cincinnati, OH8 studies
• Washington, DC7 studies
• Austin, TX7 studies
• Philadelphia, PA6 studies
• Las Vegas, NV6 studies
• Pittsburgh, PA5 studies
• Portland, OR5 studies
• Orlando, FL5 studies
• Atlanta, GA5 studies
• Jacksonville, FL5 studies
• Baltimore, MD4 studies
• Los Angeles, CA4 studies
• Irvine, CA4 studies
• Little Rock, AR4 studies
• North Charleston, SC4 studies
• Jackson, MS4 studies
• Memphis, TN4 studies
• Durham, NC3 studies
• Sacramento, CA3 studies
• Mountain View, CA3 studies
• Harrisburg, PA3 studies
• New York City, NY3 studies
• Everett, WA3 studies
• Gainesville, FL3 studies
• Richmond, VA3 studies
• Kendall, FL3 studies
• Anaheim, CA3 studies
• Long Beach, CA3 studies
• Seattle, WA3 studies

By state

• Alabama4 studies
• Arkansas4 studies
• California15 studies
• Florida7 studies
• Georgia5 studies
• Kentucky3 studies
• Louisiana3 studies
• Maryland9 studies
• Massachusetts13 studies
• Michigan4 studies
• Mississippi4 studies
• Nevada6 studies
• New Jersey3 studies
• New York6 studies
• North Carolina4 studies
• Ohio10 studies
• Oregon6 studies
• Pennsylvania12 studies
• South Carolina7 studies
• Tennessee4 studies
• Texas10 studies
• Utah3 studies
• Virginia6 studies
• Washington7 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.