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ClinicalTrials.gov public records Last synced Oct 14, 2026, 8:35 PM EDT

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Showing 361–384 of 860 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Abuse Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Interventions for Smoking Among Persons in Recovery

NCT00714896
View directory record Official record
Conditions
Smoking Cessation
Interventions
Stepped-Care, Control
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Results available

A Trial of E-cigarettes in Current Cigarette Smokers

NCT02357173
View directory record Official record
Conditions
Smoking, Nicotine Dependence, Nicotine Dependence, Other Tobacco Product
Interventions
electronic cigarette, cigarette group
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 2 Interventional

Tobacco Approach Avoidance Training for Adolescent Smokers-2

NCT01625637
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
AAT-experiment, AAT-placebo
Behavioral
Lead sponsor
Yale University
Other
Eligibility
13 Years to 18 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 20, 2014 · Synced Oct 14, 2026, 8:35 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

5-HT2A Agonist Psilocybin in the Treatment of Tobacco Use Disorder

NCT05452772
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Psilocybin, Niacin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
3
States / cities
Birmingham, Alabama • Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 2 Interventional Results available

Effect of Ramelteon on Smoking Abstinence

NCT02560324
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 14, 2026, 8:35 PM EDT
Not yet recruiting Not applicable Interventional

Abstinence Reinforcement Therapy for Veterans Who Smoke Tobacco and Are Experiencing Homelessness

NCT07714200
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavioral Therapy for Smoking Cessation, Nicotine Replacement Therapy, Bupropion, Varenicline, Mobile Contingency Management, Clinic-Based Smoking Cessation Counseling
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 14, 2026, 8:35 PM EDT
Terminated No phase listed Observational

Study on Smoking Cessation and Cost Outcomes in the Duke Smoking Cessation Program

NCT02845687
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examination of Low Wattage and High Wattage E-Cigarettes

NCT03113136
View directory record Official record
Conditions
Smoking, Cigarette, Smoking, Tobacco, Nicotine Dependence, Exposure to Toxic Agent
Interventions
Low wattage E cigarette device, High wattage E cigarette device, Usual brand cigarette
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 14, 2026, 8:35 PM EDT
Not yet recruiting Not applicable Interventional

Emotional Brain Training for Addiction Medicine Treatment - A Pilot Study

NCT07001371
View directory record Official record
Conditions
Cannabis Use Disorder, Stimulant Use Disorder, Opioid Use Disorder, Tobacco Use Disorder, Alcohol Use Disorder, Sedative, Hypnotic, or Anxiolytic Use Disorders
Interventions
Emotional Brain Training, Standard addiction counseling and medical therapy
Behavioral · Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Bernardino, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Interventions to Prevent Substance Abuse

NCT01482975
View directory record Official record
Conditions
Prevention Harmful Effects
Interventions
Tailored computer based intervention, Tailored computer intervention
Other
Lead sponsor
University of Rhode Island
Other
Eligibility
10 Years to 14 Years
Enrollment
4,158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD201201: Study to Assess Elements of Abuse Liability for Electronic Nicotine Delivery System P12

NCT05210699
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product N
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Springfield, Missouri • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Naltrexone and Varenicline: Weight Gain and Tolerability in Cigarette Smokers

NCT00502216
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Naltrexone, Varenicline
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Early Phase 1 Interventional Results available

Effects of Flavors on Nicotine Reinforcement in Smokers

NCT03243630
View directory record Official record
Conditions
Nicotine Dependence
Interventions
IV nicotine, Menthol flavor, green apple, green apple and menthol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional

New Hampshire Medicaid Wellness Incentive Program

NCT02515981
View directory record Official record
Conditions
Tobacco Dependence, Obesity, Mental Illness
Interventions
NH Medicaid Incentives Program
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
12
States / cities
Concord, New Hampshire • Derry, New Hampshire • Dover, New Hampshire + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2019 · Synced Oct 14, 2026, 8:35 PM EDT
Recruiting Not applicable Interventional

Project Q: Cue-based Treatment Intervention to Promote Cessation Among People Who Smoke Lightly or Non-daily

NCT07425119
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavioral Therapy (CBT), Cue-based treatment intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Selegiline Patch for Treatment of Nicotine Dependence

NCT01330030
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Selegiline, matching placebo
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2016 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190202: Study to Assess Elements of Abuse Liability for Two Electronic Nicotine Delivery Systems

NCT04094363
View directory record Official record
Conditions
Smoking, Tobacco Smoking, Tobacco Use
Interventions
Product A, Product B, Product C, Product D
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Knoxville, Tennessee • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Framing Messages for Smoking Cessation With Bupropion - 6

NCT00104598
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Smoking Abstinence Program
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 9, 2013 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Learning-Theory-Based Smoking Cessation Strategies

NCT01368653
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Standard treatment, Standard treatment+practice quitting, Very low nicotine cigarettes
Behavioral · Drug
Lead sponsor
Rutgers University
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Paroxetine on Smokers' Cardiovascular Response to Stress - 1

NCT00218439
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Paroxetine, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Not applicable Interventional Results available

Persistence Targeted Smoking Cessation in Serious Mental Illness (SMI)

NCT03873337
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 13, 2022 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 4 Interventional

Helping Hospitalized Patients Quit Smoking

NCT01575145
View directory record Official record
Conditions
Tobacco Abuse Cigarette
Interventions
Quitline facilitation intervention, Brief stop-smoking intervention
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 11, 2016 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 1 Interventional

Investigation of Cycloserine as a Smoking Cessation Treatment

NCT01062932
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Cycloserine, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2012 · Synced Oct 14, 2026, 8:35 PM EDT
Completed Phase 2 Interventional Results available

Effect of Galantamine on Short-term Abstinence

NCT01669538
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Galantamine, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 14, 2026, 8:35 PM EDT