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ClinicalTrials.gov public records Last synced May 22, 2026, 4:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 493 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nicotine Addiction Clear all
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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco-Related Carcinoma, Addiction
Interventions
Biospecimen Collection, Nicotine, 6-Methyl Nicotine, nicotinamide, Puffing Topography Research, Survey Administration
Procedure · Drug · Behavioral + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM 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 22, 2026, 4:20 AM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
HIV, Smoking, Tobacco Use, Nicotine Dependence
Interventions
Clinician Nudge, Patient Nudge
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced May 22, 2026, 4:20 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Nicotine Dependence, Cannabis Use Disorder
Interventions
Bupropion, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 19 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 22, 2019 · Synced May 22, 2026, 4:20 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tolcapone, Sugar Pill
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced May 22, 2026, 4:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced May 22, 2026, 4:20 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced May 22, 2026, 4:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Low nicotine, Medium nicotine, High nicotine
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
2
States / cities
Minneapolis, Minnesota • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 25, 2018 · Synced May 22, 2026, 4:20 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence, Smoking Cessation
Interventions
EVP-6124, Placebo Capsule, NicoDerm Patch (Active), NRT Patch (Placebo), Brief Supportive and Behavioral Treatment
Drug · Behavioral
Lead sponsor
A. Eden Evins
Other
Eligibility
18 Years to 65 Years
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced May 22, 2026, 4:20 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Healthy, Nicotine Addiction, Electronic Cigarette Use
Interventions
Lower nicotine e-liquid, Higher nicotine eliquid
Drug
Lead sponsor
Rochester Institute of Technology
Other
Eligibility
21 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced May 22, 2026, 4:20 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Aerobic Exercise, Counseling, Nicotine patch
Behavioral · Drug
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 22, 2026, 4:20 AM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
CBD, Stress, Nicotine Dependence, Tobacco Smoking
Interventions
Epidiolex
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced May 22, 2026, 4:20 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
bupropion SR
Drug
Lead sponsor
University of Arizona
Other
Eligibility
14 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2003
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 26, 2006 · Synced May 22, 2026, 4:20 AM EDT