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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Smoking Clear all
Withdrawn Not applicable Interventional

Korean Youth Smoking Cessation Study

NCT02021175
View directory record Official record
Conditions
Smoking
Interventions
Tailored CBME Therapy via Technology, Standard of Care
Behavioral · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 19 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Smoking Cessation Incentives Study

NCT04682067
View directory record Official record
Conditions
Smoking Cessation, Diabetes Type 2
Interventions
Contingency Management, Usual Care smoking cessation
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

GABA (Gamma Amino Butyric Acid) Medication for Tobacco

NCT00644137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
pregabalin, cigarettes
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Testing the Effect of ENDS Flavors on Neurotransmission

NCT05836051
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Flavor
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 3 Interventional

Comparison of Efficacy and Safety of Rimonabant 20mg/Day Versus Placebo in Smoking Cessation

NCT00464256
View directory record Official record
Conditions
Smoking Cessation
Interventions
rimonabant
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
533 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 9, 2010 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Smoking Cessation for University Students

NCT00941395
View directory record Official record
Conditions
Cigarette Smoker, Current Every Day Smoker
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
2
States / cities
College Station, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Smoking Cessation for Veterans With Severe and Persistent Mental Illness

NCT00960375
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia, Affective Psychosis, Bipolar, Affective Disorders, Psychotic
Interventions
BTSCS, StSST
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 75 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Results available

Integrated Treatment for Smoking Cessation & Anxiety in People With HIV

NCT01393301
View directory record Official record
Conditions
Nicotine Dependence, Symptoms of Anxiety, HIV
Interventions
Integrated cognitive-behavioral therapy for smoking cessation and anxiety, Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Results available

Phone-Based Postpartum Continuing Care for Smoking Cessation

NCT01684592
View directory record Official record
Conditions
Smoking Cessation, Pregnancy
Interventions
Phone-based postpartum continuing care, Standard care
Behavioral
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Bloomington, Illinois • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Recruiting No phase listed Observational

Understanding Tobacco and Cannabis Co-Use Practices: Initiation, Escalation, and Maintenance

NCT07439471
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Project 2: Strategies for Reducing Nicotine Content in Cigarettes

NCT02139930
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Smoking
Interventions
Normal Nicotine Control Group, Immediate Nicotine Reduction Group, Gradual Nicotine Reduction Group
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
10
States / cities
Phoenix, Arizona • San Francisco, California • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2 Interventional Results available

CAN-DOSE Study: Cessation With Augmented Nicotine for Dual Use Of Smoking and E-cigarettes

NCT06087328
View directory record Official record
Conditions
Smoking Cessation, Electronic Cigarette Use, Cigarette Smoking
Interventions
Regular Nicotine patch and lozenge dose, Augmented Nicotine patch and lozenge dose
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Effectiveness of an Integrated Treatment to Address Smoking Cessation and Anxiety/ Depression in People Living With HIV

NCT03904186
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Cigarette, Smoking, Anxiety, Depression, Nicotine Dependence
Interventions
QUIT, Time-Matched Control (TM)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

To Vape or Not to Vape

NCT05240027
View directory record Official record
Conditions
Vaping
Interventions
Vape use survey
Behavioral
Lead sponsor
Methodist Health System
Other
Eligibility
12 Years and older
Enrollment
363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 4 Interventional

N-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-Use

NCT04627922
View directory record Official record
Conditions
Cannabis Use, Tobacco Use Disorder, Drug Use Disorder
Interventions
N-Acetyl cysteine, Placebo comparator, Cognitive behavioral therapy (CBT)
Drug · Other · Behavioral
Lead sponsor
Ellen Herbst
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adverse Health Effects of Mainstream and Secondhand Hookah Smoke in NYC Hookah Bars

NCT02638194
View directory record Official record
Conditions
COPD
Interventions
Active smoking of Tobacco Hookah for 2 hours, Exposure to tobacco hookah second hand smoke, Visit a win bar
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 22, 2015 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Naltrexone in Women's Smoking Cessation

NCT00271024
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Naltrexone (drug), Placebo (for Naltrexone)
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Jul 21, 2026, 7:10 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Range of Neutrophil Response to 20,000 EU of Clinical Center Reference Endotoxin in Otherwise Healthy Smokers

NCT00753870
View directory record Official record
Conditions
Healthy Smokers
Interventions
CCRE inhalation
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2011 · Synced Jul 21, 2026, 7:10 AM EDT
Recruiting Phase 2 Interventional

Breathe Easier With Tadalafil Therapy for Dyspnea in COPD-PH

NCT05937854
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension, Dyspnea
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 89 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
5
States / cities
Aurora, Colorado • Decatur, Georgia • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Potential Impact of Menthol Ban in Cigarettes and E-cigarettes

NCT05259566
View directory record Official record
Conditions
Tobacco Smoking
Interventions
menthol ban in cigarettes only, total menthol ban
Behavioral
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Results available

Trial of Integrated Smoking Cessation, Exercise and Weight Management in Serious Mental Illness: TRIUMPH

NCT02424188
View directory record Official record
Conditions
Mental Illness
Interventions
TRIIUMPH Intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Jul 21, 2026, 7:10 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

"Quit Smoking on Your Own" Brief Online Study

NCT02103829
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Brief Intervention #1, Brief Intervention #2, Brief Intervention #3
Behavioral
Lead sponsor
i4Health
Other
Eligibility
18 Years and older
Enrollment
345 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2016 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Study of AZD8529 for Smoking Cessation in Female Smokers

NCT02401022
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
AZD8529
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 75 Years · Female only
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
9
States / cities
Encino, California • La Jolla, California • Los Alamitos, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Jul 21, 2026, 7:10 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

COPD Metabolome, Smoking Oxidants and Aberrant Ciliated Cell Function

NCT01974154
View directory record Official record
Conditions
COPD, Smoking
Interventions
Cohort I, Cohort II
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2020 · Synced Jul 21, 2026, 7:10 AM EDT