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ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:04 AM EDT

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Showing 817–840 of 2,080 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
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 31, 2026 · Synced Oct 24, 2026, 6:04 AM EDT
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 23, 2019 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Phase 4 Interventional Results available

Varenicline for Cognitive Deficits and Cigarette Smoking in Schizophrenia - Efficacy and Predictors

NCT00802919
View directory record Official record
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Varenicline, Placebo for varenicline
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 24, 2026, 6:04 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 15, 2018 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effect of Behavioral Training on Physiological Responses to Smoking Cues, Affect and Cortisol

NCT01362101
View directory record Official record
Conditions
Smokers
Interventions
Mindfulness behavioral intervention (MT),cognitive behavioral intervention (CBT)
Behavioral
Lead sponsor
A. Eden Evins
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2013 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Product Susceptibility and Substitutability by Rurality and Alcohol Use

NCT07010601
View directory record Official record
Conditions
Alcohol Use, E-cigarette Use, Cigarette Use
Interventions
Experimental Tobacco Marketplace, Hypothetical Novel Nicotine Product Purchase Tasks
Behavioral
Lead sponsor
Mark J Rzeszutek, PhD
Other
Eligibility
21 Years and older
Enrollment
737 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Smoking Cessation Treatment for Adult Women

NCT01422239
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tailored treatment, Standard Treatment
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Oct 24, 2026, 6:04 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Relighting on Smoke Toxicant Deliveries and Subjective Smoking Measures

NCT06295757
View directory record Official record
Conditions
Tobacco Use, Cigarette Smoking, Nicotine Dependence
Interventions
Cigarettes
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 24, 2026, 6:04 AM 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 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Spanish-Language Smoking Cessation Trial

NCT02945787
View directory record Official record
Conditions
Smoking Cessation
Interventions
Spanish-Language Version of the Stop Smoking for Good, NCI-Produced Spanish-language Self-help Booklet
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,417 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 24, 2026, 6:04 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 8, 2026 · Synced Oct 24, 2026, 6:04 AM EDT
Completed No phase listed Observational

A Comparison of Exhaled Carbon Monoxide Measurements Using the iCOquit Smokerlyzer and Vitalograph Breath CO Monitor vs Carboxyhemoglobin From Venous Samples While Validating a Mobile Research Application

NCT04826549
View directory record Official record
Conditions
Smoking, Cigarette
Interventions
Not listed
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Timeline
2021
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional

Interactive Mobile Doctor (iMD) to Promote Tobacco Cessation Among Cancer Patients

NCT05021185
View directory record Official record
Conditions
Tobacco Dependence, Tobacco Use Cessation, Cancer
Interventions
Interactive Mobile Doctor (iMD)
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Modern Nicotine Oral Product Abuse Liability

NCT06777784
View directory record Official record
Conditions
Smoking, Tobacco Use
Interventions
Product A, Product B, Product C, Product D, Product E, Product F, Product G, Product N
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Lexington, Kentucky • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effectiveness of Bupropion for Smokers Recovering From Alcohol Dependence

NCT00304707
View directory record Official record
Conditions
Smoking Cessation, Alcohol-Related Disorders
Interventions
Bupropion, placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 24, 2026, 6:04 AM EDT
Recruiting Not applicable Interventional

Scalable TELeheaLth Cancer CARe: The STELLAR Program to Treat Cancer Risk Behaviors

NCT05687604
View directory record Official record
Conditions
Obesity, Smoking Cessation, Physical Inactivity
Interventions
multiple behavior change therapy
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Helping Poor Smokers Quit

NCT03194958
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco, Smoking, Cigarette, Smoking, Pipe, Smoking (Tobacco) Addiction, Smoking, Tobacco Use, Tobacco Dependence, Tobacco Use Cessation, Tobacco Smoking, Tobacco; Use, Rehabilitation, Nicotine Dependence, Nicotine Use Disorder, Nicotine Dependence, Cigarettes, Nicotine Dependence Tobacco Product
Interventions
Specialized Quitline, Basic Needs Navigator
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1,944 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional

Integrating the Quit and Stay Quit Monday Model Into Smoking Cessation Services for Smokers With Mental Health Conditions

NCT04512248
View directory record Official record
Conditions
Smoking Cessation
Interventions
Quit and Stay Quit Monday Model
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Phase 2 Interventional Results available

Novel Smoking Cessation Drug for Schizophrenia

NCT02230384
View directory record Official record
Conditions
Smoking Cessation
Interventions
Active JNJ Drug, Placebo Pill
Drug
Lead sponsor
K.N. Roy Chengappa
Other
Eligibility
18 Years to 66 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Results available

An Intervention to Promote Smoking Cessation Among Adults With Food Insecurity

NCT05259852
View directory record Official record
Conditions
Smoking Cessation, Food Insecurity
Interventions
Food Assistance and Cessation Resources Navigation Plus Economic Assistance, Food Assistance and Cessation Resources Navigation
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
21 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2024 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Just Kwit: Mobile Intervention for Tobacco Cessation

NCT03538678
View directory record Official record
Conditions
Smoking Cessation
Interventions
Kwit smartphone app
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 24, 2026, 6:04 AM EDT
Recruiting Phase 2 Interventional

A Study of Brenipatide in Adults Who Quit Smoking Cigarettes and Want to Avoid Relapse

NCT07223840
View directory record Official record
Conditions
Smoking
Interventions
Brenipatide, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
18
States / cities
Rogers, Arkansas • DeLand, Florida • Hollywood, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Trial of Internet Access to Nicotine Patches

NCT00534404
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Nicotine patches, Telephone counseling, iQuit Smoking website
Drug · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
2,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 3, 2015 · Synced Oct 24, 2026, 6:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Media Literacy to Prevent Adolescent Smoking

NCT00398190
View directory record Official record
Conditions
Smoking Status
Interventions
Control, Media Literacy
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 18 Years
Enrollment
1,211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
3
States / cities
McKeesport, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Oct 24, 2026, 6:04 AM EDT