Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 4, 2026, 9:38 AM EDT

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Conditions
Smoking Cessation
Interventions
Standard Care (SC), Intensive Counseling (IC)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York