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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Smoking Behavior Clear all
Completed Phase 1 Interventional Results available

Study of Olaparib With Radiation Therapy and Cetuximab in Advanced Head and Neck Cancer With Heavy Smoking History

NCT01758731
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Head and Neck
Interventions
Olaparib, Cetuximab, Radiation Therapy
Drug · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Vaping Ethanol in the Evaluation of Impairment

NCT03826303
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
E-cigarette liquid with ethanol, 1 puff, E-cigarette liquid without ethanol, 1 puff, E-cigarette liquid with ethanol, 10 puffs, E-cigarette liquid without ethanol, 10 puffs
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Safety and Effectiveness of Sustained Release Bupropion in Treating Individuals With Schizophrenia Who Smoke

NCT00307203
View directory record Official record
Conditions
Tobacco-Use Disorder, Schizophrenia, Psychotic Disorders
Interventions
bupropion SR, Cognitive Behavioral Group Therapy, nicotine replacement therapy
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Economic Methods for Assessing Tobacco Product Abuse Liability: Study 7

NCT03496922
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Experimental Tobacco Marketplace
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Low Nicotine Content Cigarettes in Vulnerable Populations: Affective Disorders

NCT04090879
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Either normal nicotine content cigarettes (15.8mg/g) or reduced nicotine content cigarettes (0.4mg/g), E-Cigarettes
Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 70 Years
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Providence, Rhode Island • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jun 10, 2026, 3:27 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 Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD201204 An Actual Use Study of P12 Electronic Nicotine Delivery System Among U.S. Adult Smokers

NCT05960305
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
P1213416, P1213422, P1213716, P1213722, P1211216, P1211222, P1213616, P1213622, P1213816, P1213822, P1211916, P1211922
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
12
States / cities
Phoenix, Arizona • Fort Lauderdale, Florida • Orlando, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2024 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD201002: Study to Assess Nicotine Uptake From P10 Nicotine Pouches

NCT05081154
View directory record Official record
Conditions
Smoking, Tobacco Use
Interventions
Product A, Product B, Product C, Product D, Product E, Product F, Product G
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short-Term Cardiovascular Effects of E-Cigarettes: Influence of Device Power

NCT03839745
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 Jun 10, 2026, 3:27 AM EDT
Terminated Phase 2 Interventional Results available

A Safety and Cognitive Function Study of EVP-6124 Versus Placebo in Subjects With Nicotine Dependence

NCT01480232
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 Jun 10, 2026, 3:27 AM EDT
Completed Phase 2 Interventional

N-Acetylcysteine and Smoking Reduction

NCT00751257
View directory record Official record
Conditions
Nicotine Dependence
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Phase 4 Interventional Results available

Assessing Neuropsychiatric Symptoms Including Depression, Anxiety, Irritability, and Suicidal Thoughts or Behavior in Subjects Quitting Smoking on Varenicline Tartrate or Placebo

NCT00749944
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Austin, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 30, 2010 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Results available

Implementation Science to Reduce the Disparity in Tobacco Treatment Among Individuals With Serious Mental Illness

NCT05952401
View directory record Official record
Conditions
Smoking, Smoking Cessation, Tobacco Use Cessation
Interventions
Usual Care, "Nudges"
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Results available

Motivating a Spectrum of Cancer Patients to Quit Smoking

NCT04914000
View directory record Official record
Conditions
Cancer, Smoking
Interventions
Self-help Materials
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Jun 10, 2026, 3:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Family Risk Analysis of Substance Use in Attention Deficit Hyperactivity Disorder (ADHD) Youth Treated With Concerta

NCT00181792
View directory record Official record
Conditions
ADHD, Smoking
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2012 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Addressing Racial/Ethnic Tobacco Health Disparities Via Group Intervention

NCT02511236
View directory record Official record
Conditions
Smoking Cessation
Interventions
Group Cognitive Behavioral Therapy, General Health Education, Transdermal Nicotine Patch
Behavioral · Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
356 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
Coral Gables, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment

NCT02585206
View directory record Official record
Conditions
Smoking Cessation
Interventions
Personalization, Integration, Dynamic Tailoring, Message Intensity, Optimal-Adherence Text
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
1,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Trial of Web-Delivered Acceptance Therapy for Smoking Cessation (WebQuit)

NCT01812278
View directory record Official record
Conditions
Smoking
Interventions
ACT, CBT
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
2,637 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional

ROSCAP: Reduction of Smoking in Cardiac Patients Study

NCT00301626
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Dependence, Cardiac Disease
Interventions
smoking reduction intervention (including NRT)
Behavioral
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2008 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pro-Change Smoking Cessation Intervention

NCT02299076
View directory record Official record
Conditions
Tobacco Smoking Cessation, Motivation
Interventions
Behavioral economics incentives, Minimal incentives
Behavioral · Other
Lead sponsor
VAL Health, LLC
Industry
Eligibility
18 Years and older
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Old Greenwich, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 1, 2017 · Synced Jun 10, 2026, 3:27 AM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Exercise, Smoking Cessation and Adolescents

NCT00297440
View directory record Official record
Conditions
Smoking
Interventions
Cognitive-behavioral treatment, Exercise
Behavioral
Lead sponsor
Temple University
Other
Eligibility
13 Years to 19 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 22, 2010 · Synced Jun 10, 2026, 3:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Smokers With and Without Attention Deficit Hyperactivity Disorder (ADHD)

NCT01123668
View directory record Official record
Conditions
Smoking, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determination of Liquid Flavor and Nicotine Form Outcomes

NCT05587504
View directory record Official record
Conditions
Electronic Cigarettes
Interventions
E-cigarette with sweetness type 1 and pronation level 1, E-cigarette with sweetness type 1 and pronation level 2, E-cigarette with sweetness type 2 and pronation level 1, E-cigarette with sweetness type 2 and pronation level 2
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jun 10, 2026, 3:27 AM EDT
Completed Phase 2 Interventional Results available

Clinical Trial of Lung Cancer Chemoprevention With Sulforaphane in Former Smokers

NCT03232138
View directory record Official record
Conditions
Lung Cancer
Interventions
Sulforaphane, Placebo
Dietary Supplement · Drug
Lead sponsor
Jian-Min Yuan, MD
Other
Eligibility
55 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Jun 10, 2026, 3:27 AM EDT