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Smoking clinical trials recruiting in the U.S.

52 studies for Smoking are recruiting participants at sites across the United States.

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Cities with the most studies

• Philadelphia, PA6 studies
• Charleston, SC5 studies
• New York City, NY4 studies
• Buffalo, NY4 studies
• Atlanta, GA3 studies
• Houston, TX3 studies
• Baltimore, MD3 studies

By state

• California6 studies
• Colorado3 studies
• Georgia3 studies
• Illinois3 studies
• Maryland3 studies
• New York9 studies
• North Carolina3 studies
• Oklahoma3 studies
• Pennsylvania6 studies
• South Carolina6 studies
• Texas3 studies
• Virginia3 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.