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

A Feasibility Study of Smoking Cessation Program in Radiation Oncology

NCT00236288
View directory record Official record
Conditions
Cancer and Tobacco Abuse
Interventions
Bupropion and intensive behavioral therapy
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 30, 2007 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of Bupropion for Treating Nicotine Dependence in Young People

NCT00129272
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
Bupropion-SR, Placebo
Drug · Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
12 Years to 25 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2017 · Synced Jun 10, 2026, 2:09 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Hookah (Waterpipe) Smoking on Blood Vessel Function

NCT03616002
View directory record Official record
Conditions
Hookah Smoking
Interventions
Hookah smoking
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 29 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Jun 10, 2026, 2:09 PM EDT
Not yet recruiting Not applicable Interventional

Quit-Smoking Study for Native Hawaiians

NCT07075575
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Nicotine Polacrilex Gum (2 mg), Cognitive Behavioral Group Therapy (CBGT)
Drug · Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional

Clinical Trial of an Automated Smartphone Based Smoking Cessation Treatment

NCT02930200
View directory record Official record
Conditions
Smoking Cessation
Interventions
Treatment as Usual, QuitGuide, Smart-T
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Single Dose Study Investigating the Absorption and Elimination as Well as the Tolerability of Varenicline Transdermal Delivery System (e.g., a Patch) as Compared to Oral Varenicline in Adult Smokers.

NCT00661765
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline tartrate, varenicline free base
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 22, 2009 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional

Project 1, Study 1: Investigating the Impact of Nicotine Using Spectrum Cigarettes

NCT01681875
View directory record Official record
Conditions
Tobacco Dependence
Interventions
very low nicotine content cigarettes
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
839 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
9
States / cities
San Francisco, California • Tampa, Florida • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Jun 10, 2026, 2:09 PM EDT
Terminated Phase 2 Interventional Results available

Effects of ABT-089 on Smoking Abstinence Symptoms and Reward

NCT01756053
View directory record Official record
Conditions
Nicotine Addiction
Interventions
ABT-089, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Early Phase 1 Interventional

The Effect of Nicotine Delivery Rate on Reinforcement

NCT03134339
View directory record Official record
Conditions
Nicotine
Interventions
Nicotine saline 0.00mcg/kg/s, Nicotine 0.24 mcg/kg/s, Nicotine 0.048 mcg/kg/s, Nicotine 0.024 mcg/kg/s
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 21, 2018 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electronic Cigarette Use in Young Adult Men and Women

NCT03089541
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Use
Interventions
Survey Arm
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 29 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Repetitive Transcranial Magnetic Stimulation (rTMS) for Nicotine Addiction

NCT02401672
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transcranial magnetic stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2020 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 2 Interventional Results available

Bupropion in Helping Adults Stop Smoking

NCT00534001
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
bupropion hydrochloride, placebo
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Jun 10, 2026, 2:09 PM 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, 2:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Predictors of Teen Smoking-cessation

NCT01141517
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Not-On-Tobacco smoking cessation program
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
13 Years to 19 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Smoking Environments on Brain Reactivity

NCT03421210
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine patch
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 18, 2021 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 2 Interventional

Acute Effects of Exercise in Smokers With Schizophrenia

NCT01635075
View directory record Official record
Conditions
Tobacco Dependence, Cigarette Craving, Smoking Behavior
Interventions
Exercise, passive control
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 27, 2015 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional Results available

Effect of Different E-cigarette Cooling Flavors on Adults' Sensory Experience TCORS 3.0

NCT05932693
View directory record Official record
Conditions
E-Cig Use
Interventions
E-liquid coolant (WS-3, 0.05%), E-liquid coolant (WS-3, 0.1%), E-liquid coolant (WS-3, 0.5%), E-liquid coolant (WS-3, 1.0%), E-liquid coolant (WS-3, 2.0%), E-liquid coolant (menthol, 0.05%), E-liquid coolant (menthol, 0.1%), E-liquid coolant (menthol, 0.5%), E-liquid coolant (menthol, 1.0%), E-liquid coolant (menthol, 2.0%), E-liquid coolant (WS-23, 0.05%), E-liquid coolant (WS-23, 0.1%), E-liquid coolant (WS-23, 0.5%), E-liquid coolant (WS-23, 1.0%), E-liquid coolant (WS-23, 2.0%), E-liquid coolant (WS-23, 4.0%)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 4 Interventional

Bupropion as a Smoking Cessation Aid in Alcoholics

NCT00044434
View directory record Official record
Conditions
Alcoholism, Smoking
Interventions
bupropion (Wellbutrin)
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
25 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 28, 2008 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Cessation in Rural Hospitals

NCT01063972
View directory record Official record
Conditions
Smoking Cessation
Interventions
Centralized disease management (CDM), Counseling (C)
Behavioral
Lead sponsor
Edward Ellerbeck, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 7, 2019 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nicotine Receptor Density & Response to Nicotine Patch: Pt 2 Extended Treatment

NCT02676375
View directory record Official record
Conditions
Smoking Cessation, Schizophrenia
Interventions
Combination Bupropion + NRTs, Extended Treatment, Home Visits & Calls, Monotherapy
Drug · Other
Lead sponsor
Brentwood Biomedical Research Institute
Other
Eligibility
21 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional Results available

iQuit Mindfully: Text Messaging for Smoking Cessation

NCT03029819
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mindfulness-based Addiction Treatment, iQuit Mindfully, Self-Help guide, Nicotine Patch
Behavioral · Drug
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Jun 10, 2026, 2:09 PM 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 Jun 10, 2026, 2:09 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Addiction Potential of Very Low Nicotine Filtered Little Cigars

NCT06630728
View directory record Official record
Conditions
Smoking (Tobacco) Addiction
Interventions
Reduced Nicotine Content Cigars, Normal nicotine content cigar, Usual brand cigar
Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Jun 10, 2026, 2:09 PM EDT
Completed Not applicable Interventional Results available

Using Mobile Technology to Improve Self-Regulation

NCT03774433
View directory record Official record
Conditions
Self-regulation, Binge Eating, Smoking
Interventions
Laddr
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Jun 10, 2026, 2:09 PM EDT