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ClinicalTrials.gov public records Last synced May 21, 2026, 6:18 PM EDT

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Showing 1–24 of 963 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tobacco Use Disorder Clear all
Completed Phase 2 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Tobacco Use Disorder
Behavioral
Lead sponsor
Inflexxion, Inc.
Industry
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
7
States / cities
La Puente, California • Athol, Massachusetts • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced May 21, 2026, 6:18 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Lexington, Kentucky • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 6:18 PM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
computer-assisted smoking cessation intervention, cancer prevention, educational intervention, survey administration
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced May 21, 2026, 6:18 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced May 21, 2026, 6:18 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Preparation Varenicline and Standard Duration Varenicline, Preparation Varenicline and Extended Duration Varenicline, Standard Duration Varenicline, Extended Duration Varenicline, Preparation Combination NRT and Standard Duration Combination NRT, Preparation Combination NRT and Extended Duration Combination NRT, Standard Duration Combination NRT, Extended Duration Combination NRT, Intensive Counseling, Minimal Counseling
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced May 21, 2026, 6:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Risk Factor, Nicotine Dependence
Interventions
Electronic Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced May 21, 2026, 6:18 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Naltrexone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 21, 2026, 6:18 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Placebo, weight concerns intervention, smoking cessation intervention
Drug · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced May 21, 2026, 6:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Smoking Cessation, Yoga, Wellness
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced May 21, 2026, 6:18 PM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Cigarette Smoking, Alcohol Use Disorders
Interventions
Varenicline, Prazosin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced May 21, 2026, 6:18 PM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Nicotine Dependence, Bipolar Disorder
Interventions
Counseling/Healthy Lifestyle, Counseling/Managing Mood
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced May 21, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tolcapone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced May 21, 2026, 6:18 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine patch (Nicoderm Committed Quitter (CQ), Habitrol), denicotinized cigarettes (Quest 3 cigarettes)
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced May 21, 2026, 6:18 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation, Tobacco Use Disorder, Schizophrenia, Schizoaffective Disorder
Interventions
Persistence Targeted Smoking Cessation in SMI (PTSC-S), Nicotine patch
Behavioral · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 12, 2022 · Synced May 21, 2026, 6:18 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Lorcaserin Oral Tablet, Placebo oral tablet
Drug
Lead sponsor
The Mind Research Network
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 19, 2023 · Synced May 21, 2026, 6:18 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Nicotine Dependence, Smoking Cessation
Interventions
Cognitive Behavioral Therapy, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced May 21, 2026, 6:18 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Health Behavior, Chronic Disease
Interventions
Workplace Solutions Consulting approach, Delayed intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 19, 2009 · Synced May 21, 2026, 6:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Approach Bias Retraining, SHAM Training
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced May 21, 2026, 6:18 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Asthma, Tobacco Use
Interventions
Not listed
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 8, 2013 · Synced May 21, 2026, 6:18 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Stress Disorders, Posttraumatic, Tobacco Use Disorder
Interventions
Nicotine, Cognitive Behavioral Therapy for Smoking Cessation, Bupropion Sustained Release (SR), Placebo patch
Drug · Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 70 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 19, 2014 · Synced May 21, 2026, 6:18 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Nicotine Dependence, Smoking, Cigarette, Smoking Cessation, Smoking Behaviors, Smoking Reduction, Craving
Interventions
Isradipine, Cue Exposure
Drug · Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced May 21, 2026, 6:18 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
OCD, Major Depressive Disorder (MDD), Alcohol Use Disorder (AUD), Healthy Volunteer, Migraine, PTSD, PTSD - Post Traumatic Stress Disorder, Addiction, Tobacco Use Disorder, Obsessive Compulsive Disorder (OCD), Opioid Use Disorder
Interventions
Serotonergic Psychedelic, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Hamden, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 21, 2026, 6:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced May 21, 2026, 6:18 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Opioid Use Disorder, Cigarette Smoking
Interventions
Telehealth Motivational Counseling, Nicotine Replacement Product, National Institute on Drug Abuse (NIDA) Standardized Research Electronic Cigarette (SREC).
Behavioral · Drug · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 75 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced May 21, 2026, 6:18 PM EDT