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Showing 1–24 of 1,790 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tobacco Products Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combined Pharmaco/Behavior Therapy in Adolescent Smokers

NCT00330187
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Use Disorder
Interventions
Bupropion SR, Contingency Management, Placebo
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 21 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Testing a Computer Delivered Tobacco Cessation Intervention in Outpatient Clinical Settings: A Feasibility Study

NCT05145738
View directory record Official record
Conditions
Tobacco Smoking
Interventions
C-Raven with avatar, C-Raven without avatar
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 30, 2025 · Synced Sep 27, 2026, 8:03 AM EDT
Recruiting Not applicable Interventional

Integrating CHWs Into Prenatal Care for Maternal Smoking Cessation

NCT06438549
View directory record Official record
Conditions
Tobacco Use, Tobacco Use Cessation, Tobacco Use in Childbirth
Interventions
HCP-CHW Integration into Prenatal Care for Smoking Cessation, Control Arm
Behavioral · Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Loma Linda, California • Moreno Valley, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Smoking Cessation Treatment - 1

NCT00110825
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavior Therapy
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
304 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing Genetic Education for Smoking Cessation

NCT01186016
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Genetic Education Session, Nutrition Education Session
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 1 Interventional

Nicotine Differences in Smokers

NCT05159934
View directory record Official record
Conditions
Nicotine Dependence
Interventions
0.05, 0.025, and 0.0125 mg nicotine/pulse of nicotine, Saline
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 10, 2023 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Results available

Meclizine as a Potential Smoking Cessation Treatment

NCT01443858
View directory record Official record
Conditions
Smoking Cessation
Interventions
Meclizine, Nicotine Patch, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Charlotte, North Carolina • Durham, North Carolina • Raleigh, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2014 · Synced Sep 27, 2026, 8:03 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Intensive Behavioral Training Program on Impulsivity and Inhibitory Control in Smokers

NCT01314378
View directory record Official record
Conditions
Tobacco Smoking, Nicotine Dependence, Impulsivity, Addiction, Substance Dependence
Interventions
Mindfulness Training, Cognitive-Behavioral Therapy
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced Sep 27, 2026, 8:03 AM EDT
Completed No phase listed Observational

Message Testing for Tobacco-Related Corrective Statements

NCT01282008
View directory record Official record
Conditions
Tobacco, Smoking, Communication
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
14 Years to 17 Years
Enrollment
627 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 19, 2019 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Black Raspberry Phytochemicals on Oral Microbiome in Current Smokers and Non-smokers

NCT02439255
View directory record Official record
Conditions
Healthy Subject, Tobacco Use Disorder
Interventions
Laboratory Biomarker Analysis, Phytochemical, Placebo, Screening Questionnaire Administration
Other · Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 50 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Cigarette Use Among Urban Youth Via an M-Health Primary Care Preventive Intervention

NCT03855410
View directory record Official record
Conditions
Tobacco Use, Drug Use, Adolescent Behavior, Alcohol Use, Sexual Risk Behavior
Interventions
S4E, Attention-Matched Control Group
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 21 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Dependence Treatment Education for Dental Students

NCT01522924
View directory record Official record
Conditions
Smoking
Interventions
Counseling practice sessions
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 22, 2017 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Results available

Prevention of Cigarette Smoking in Attention Deficit Hyperactivity Disorder (ADHD) Youth With Concerta

NCT00181714
View directory record Official record
Conditions
ADHD
Interventions
methylphenidate HCl (Concerta)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2013 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline Effects on Cue Reactivity and Smoking Reward/Reinforcement

NCT00747643
View directory record Official record
Conditions
Tobacco Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2013 · Synced Sep 27, 2026, 8:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 4 Interventional Results available

Tobacco Cessation Treatment Preferences Among Veteran Smokers

NCT05277207
View directory record Official record
Conditions
Tobacco Use
Interventions
Personalized Smoking Cessation Facilitation Meetings, Personalized Smoking Cessation Pharmacotherapy, Personalized Text Messaging Support, SmokefreeVET, VA Quitline, Education about pharmacotherapy
Behavioral · Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of the Nicotine Patch in Suppressing Nicotine Withdrawal Symptoms in Women Versus Men - 1

NCT00218140
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
nicotine transdermal system
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2005
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Results available

Combining Varenicline and Naltrexone for Smoking Cessation

NCT02698215
View directory record Official record
Conditions
Nicotine Dependence, Alcohol Use Disorder
Interventions
Varenicline, Varenicline plus Naltrexone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Smoking Cessation in Pediatric Primary Care

NCT01312480
View directory record Official record
Conditions
Tobacco Cessation, Media Use
Interventions
5A's Model, Media Use Assessment
Other
Lead sponsor
American Academy of Pediatrics
Other
Eligibility
14 Years to 25 Years
Enrollment
10,967 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Elk Grove Village, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Results available

Quit or Switch: E-cigarette Study

NCT05525078
View directory record Official record
Conditions
Tobacco Use
Interventions
e-cigarette, Nicotine patch, Nicotine lozenge
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Sep 27, 2026, 8:03 AM EDT
Terminated Not applicable Interventional

Evaluation of a Computer-Delivered 5 A's Intervention for Smoking

NCT01383278
View directory record Official record
Conditions
Smoking
Interventions
Computer-directed 5 A's intervention for smoking, Screening and resource provision
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 20, 2015 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Longitudinal Evaluation of Teens Against Tobacco Use

NCT02535559
View directory record Official record
Conditions
Tobacco Smoking Behavior
Interventions
Teens Against Tobacco Use
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
2,290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2016 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Baclofen Effects in Cigarette Smokers

NCT01821560
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Baclofen, placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 27, 2026, 8:03 AM EDT
Completed Phase 2 Interventional

Very Low-Nicotine Cigarettes in Smokers With SUD

NCT01989507
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, behavioral counseling for smoking cessation
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Sep 27, 2026, 8:03 AM EDT