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ClinicalTrials.gov public records Last synced Oct 26, 2026, 10:31 PM EDT

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Showing 1129–1152 of 2,080 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
Completed Not applicable Interventional

Effect of Packaging on Smoking Perceptions and Behavior

NCT02676193
View directory record Official record
Conditions
Smoking, Tobacco Smoking
Interventions
Effect of Packaging on Smoking Perceptions and Behavior
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Brief Tobacco Intervention in the US Military

NCT03196102
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Smoking, Cigar, Smoking, Pipe, Smoking, Hookah, Nicotine Dependence
Interventions
BTI, Cigarette smoking military tailored pamphlet, Standard smoking cessation intervention
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
2,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2021 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 1Phase 2 Interventional

Group Counseling for Smoking Cessation

NCT00104481
View directory record Official record
Conditions
Smoking
Interventions
cognitive behavior therapy
Behavioral
Lead sponsor
American University
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2011 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of a Tailored Smoking Cessation Treatment Algorithm Based on Initial Treatment Response and Genotype

NCT00894166
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patches, Nicotine patches, then bupropion & nicotine patches (Pre-Quit), Nicotine patches, then varenicline (Pre-Quit), Nicotine patches, then nicotine patches (Pre-Quit), Nicotine patches, then bupropion & nicotine patches (Post-Quit), Nicotine patches, then varenicline (Post-Quit), Nicotine patches, then nicotine patches (Post-Quit)
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charlotte, Durham, Raleigh, Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 23, 2013 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 2 Interventional Results available

The Effect of Varenicline (Chantix) and Bupropion (Zyban) on Smoking Lapse Behavior

NCT00580853
View directory record Official record
Conditions
Smoking Lapse Behavior
Interventions
varenicline, bupropion, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 8, 2018 · Synced Oct 26, 2026, 10:31 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Mapping Brain Glutamate in Humans: Sex Differences in Cigarette Smokers

NCT05279053
View directory record Official record
Conditions
Sex, Cigarette Smoking
Interventions
Abstinence and Smoking
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional

Smoking Cessation Intervention for Diabetic Patients

NCT01501877
View directory record Official record
Conditions
Smoking, Type 2 Diabetes
Interventions
Acceptance and Commitment Therapy, Standard smoking cessation intervention
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 12, 2017 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pilot Study of Transcranial Magnetic Stimulation (TMS) in Nicotine Addiction

NCT01031693
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland • Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 26, 2026, 10:31 PM EDT
Recruiting Phase 4 Interventional

The Avenues Study: Dual Use Cessation

NCT06474299
View directory record Official record
Conditions
Smoking Cessation, Electronic Cigarette Use
Interventions
Varenicline, Nicotine patch, Dual Focused Cessation Counseling, Smoking Focused Cessation Counseling, Counseling Intensity: 1 Session, Counseling Intensity: 4 Sessions
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Bupropion SR Plus Counseling for Smoking Cessation

NCT01621009
View directory record Official record
Conditions
Tobacco Dependence, Smoking
Interventions
Active bupropion + counseling, Active bupropion, No counseling, Placebo medication + counseling, Placebo medication, No counseling
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 26, 2026, 10:31 PM EDT
Not yet recruiting Not applicable Interventional

Evaluation of Community Health Worker Support to Help People With Serious Mental Illness to Quit Smoking

NCT07789132
View directory record Official record
Conditions
Nicotine Dependance, Serious Mental Illness, Smoking (Tobacco) Addiction, Tobacco Cessation, Community Health Workers, Cardiovascular (CV) Risk, Tobacco Use Disorder
Interventions
Integrated CHW Support intervention, Enhanced usual care (EUC)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
937 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Action of Acetaminophen

NCT00646906
View directory record Official record
Conditions
Myocardial Infarction, Arthritis
Interventions
Aspirin First, Aspirin Last, Acetaminophen 1000 mg/d, Acetaminophen 4000 mg/d, Ibuprofen 800 mg/d
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics of Nicotine Sublingual Tablets Versus Nicorette Lozenge in Healthy Smokers

NCT02906995
View directory record Official record
Conditions
Tobacco Use Disorder, Cigarette Smoking
Interventions
Sublingual tablet 4 mg versus Nicorette Lozenge 4mg
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Oct 26, 2026, 10:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Non-invasive Vagus Nerve Stimulation (nVNS) and Cognition in Young Adult Vapers - A Pilot Study

NCT06804109
View directory record Official record
Conditions
Vaping
Interventions
Active nVNS, Control nVNS
Device
Lead sponsor
Temple University
Other
Eligibility
18 Years to 25 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect of Ethanol and Genetic Polymorphisms on Bupropion Metabolism

NCT00330434
View directory record Official record
Conditions
Alcohol Drinking, Depression, Smoking Cessation, Attention Deficit Disorder
Interventions
Trial Withdrawn 1, Trial Withdrawn 2
Other
Lead sponsor
Tufts University
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Results available

Pilot Testing a Digital Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness

NCT04367506
View directory record Official record
Conditions
Tobacco Cessation
Interventions
BecomeAnEX, Usual Care
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190601: A Study to Determine Subject Puffing Patterns of Electronic Nicotine Delivery Systems in an Ambulatory Setting

NCT04308434
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
CSD190601-11, CSD190601-12, CSD190601-13, CSD190601-14, CSD190601-15, CSD190601-16, CSD190601-17, CSD190601-21, CSD190601-22, CSD190601-23, CSD190601-24, CSD190601-25, CSD190601-26, CSD190601-27
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Stockbridge, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190203: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting

NCT04104152
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
CSD1902-11, CSD1902-12, CSD1902-13, CSD1902-14, CSD1902-21, CSD1902-22, CSD1902-23, CSD1902-24
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Results available

Impact of Nicotine Messaging on Beliefs and Behavior

NCT05108649
View directory record Official record
Conditions
Smoking Behaviors, Cigarette Smoking
Interventions
Nicotine Messaging, Cigarette Condition
Other
Lead sponsor
Andrew Strasser
Other
Eligibility
21 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 3 Interventional

Bupropion for Hospital-Based Smoking Cessation

NCT00261170
View directory record Official record
Conditions
Smoking
Interventions
bupropion, placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 23, 2008 · Synced Oct 26, 2026, 10:31 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial of Adaptive Treatment for Early Smoking Cessation Relapse

NCT06118502
View directory record Official record
Conditions
Cigarette Smoking, Smoking Behaviors, Treatment
Interventions
Switching to a different medication, Continued use of the same medication, Switching to a harm reduction tobacco product
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
544 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mood and Smoking: A Comparison of Smoking Cessation Treatments

NCT00075972
View directory record Official record
Conditions
Smoking Cessation, Mood Tolerance, Mood Management, Nicotine Replacement Therapy
Interventions
Mood Tolearance, Mood Management, Nicotine Replacement therapy
Behavioral · Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Not applicable Interventional Results available

Implementation of HIT-Enhanced Tobacco Treatment for Hospitalized Smokers

NCT01691105
View directory record Official record
Conditions
Tobacco Use Cessation, Smoking Cessation, Smoking, Tobacco Use Disorder
Interventions
AD + Integrated Tobacco Order Set
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,044 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 26, 2026, 10:31 PM EDT
Completed Phase 2 Interventional

Tobacco Use Intervention Among Radiation Oncology Patients

NCT00587353
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Behavioral and pharmacologic tobacco use intervention
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2012 · Synced Oct 26, 2026, 10:31 PM EDT