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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Tobacco Smoking Behavior Clear all
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Molecular Risk in Smokers

NCT00598143
View directory record Official record
Conditions
Smoking Cessation
Interventions
Vignette, questionnaires and Saliva Samples, Urine Collection, Smoking cessation treatment
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Program for Research on the Outcomes of VA Education

NCT01677533
View directory record Official record
Conditions
Hypertension, Smoking Cessation
Interventions
Data, Panel Management Support, Education
Other
Lead sponsor
VA New York Harbor Healthcare System
Federal
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Jul 23, 2026, 9:36 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cigar Legislation and Regulation in Tobacco for the Young (Project CLARITY)

NCT07162935
View directory record Official record
Conditions
Cigar Smoking, Tobacco Use
Interventions
Cigarillo brand 1, Cigarillo brand 2, Cigarillo brand 3
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 24 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Phase 2 Interventional Results available

Formoterol Dose Ranging Study (ACHIEVE Duaklir USA Phase IIb)

NCT02796651
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease - COPD
Interventions
Formoterol fumarate (6 μg), Formoterol furmarate (20 μg), Placebo for formoterol fumarate, Formoterol fumarate (12 μg), Formoterol fumarate (40 μg)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 130 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
20
States / cities
Glendale, Arizona • Phoenix, Arizona • Tempe, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Jul 23, 2026, 9:36 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Tobacco Cessation for Sexual Minorities

NCT03643679
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
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2020 · Synced Jul 23, 2026, 9:36 PM 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 23, 2026, 9:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Memantine Versus Bupropion on Smoking Relapse in Nicotine-Dependent Individuals - 3

NCT00136786
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Memantine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2018 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Mobile Phone Support for the DC Tobacco Quitline

NCT01817842
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mobile EX cessation support, DC Quitline Support, Device Control
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
803 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 25, 2013 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Results available

Measuring Neuroadaptations in Response to Very Low Nicotine Content Cigarettes

NCT03612960
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Very low nicotine content cigarettes, Normal nicotine content cigarettes
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Phase 3 Interventional Results available

Smoking-Cessation and Stimulant Treatment (S-CAST)

NCT01077024
View directory record Official record
Conditions
Cocaine Dependence, Methamphetamine Dependence, Nicotine Dependence
Interventions
Smoking-cessation treatment
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
538 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
12
States / cities
Tucson, Arizona • Rancho Cucamonga, California • Tarzana, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Jul 23, 2026, 9:36 PM EDT
Recruiting Not applicable Interventional

Pilot Study of Communication for Dual Users of Cigarettes and E-cigarettes

NCT07599462
View directory record Official record
Conditions
Tobacco Products, Cigarettes, Electronic Cigarettes
Interventions
communication
Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional

Efficacy of a Smoke-Free Homes Intervention

NCT04547686
View directory record Official record
Conditions
Cessation, Smoking
Interventions
Smoke-Free Homes Intervention, Control
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
918 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Phase 3 Interventional Results available

Smoking Cessation With the Nicotine Patch: A Pilot Study of Patch Messaging

NCT01287377
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone Counseling, Nicotine Patches
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Results available

Veteran Peer Coaches Optimizing and Advancing Cardiac Health

NCT02697422
View directory record Official record
Conditions
Cardiovascular Disease (CVD), Hypertension, Hyperlipemia, Obesity
Interventions
Community-based peer health coach intervention
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 75 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jul 23, 2026, 9:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunosuppressive Effects of Smoking and HIV-1 on the Development of Lung Disease

NCT02058719
View directory record Official record
Conditions
HIV, Smoking, COPD
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Jul 23, 2026, 9:36 PM 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 23, 2026, 9:36 PM EDT
Completed Phase 4 Interventional

Behavioral Counseling for Alcohol Dependent Smokers (Nicotine Patch)

NCT00004551
View directory record Official record
Conditions
Alcoholism, Smoking
Interventions
nicotine replacement patch, mood management
Drug · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 28, 2010 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Selected Constituents in the Exhaled Breath Samples

NCT04143256
View directory record Official record
Conditions
Electronic Cigarette Use, Cigarette Use, Electronic, Tobacco Use, Tobacco Smoking
Interventions
JUUL ENDS 5% Virginia Tobacco, JUUL 3% Virginia Tobacco ENDS, JUUL 5% Mint ENDS, JUUL 3% Mint ENDS, JUUL 5% Menthol ENDS, JUUL 3% Menthol ENDS, JUUL 5% Mango ENDS, JUUL 3% Mango ENDS, US Cigarette, Non-menthol - Marlboro Gold King Size, US Cigarette, Menthol - Newport King Size
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
Secaucus, New Jersey • Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Jul 23, 2026, 9:36 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

The Acute Cardiovascular Effects of Nicotine in E-cigarettes (ACE) Study

NCT03010995
View directory record Official record
Conditions
Cigarette Smoking Toxicity, Nicotine, Acute Cardiovascular Disease
Interventions
Prazosin
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

LGBT Internet Based Smoking Treatment - 1

NCT00111501
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Tobacco Use Disorder, Standard Web-based intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Jul 23, 2026, 9:36 PM EDT
Completed No phase listed Observational

Role of an E-cigarette on Smoking Displacement in Smokers With Schizophrenia

NCT03075202
View directory record Official record
Conditions
Schizophrenia and Related Disorders
Interventions
e-cigarette, brand name JUUL
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2019 · Synced Jul 23, 2026, 9:36 PM EDT
Completed No phase listed Observational

Testing the Decoy Effect to Increase Tobacco Treatment Uptake

NCT04200157
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Online survey
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

TEACH: Technology Evaluation to Address Child Health

NCT02912000
View directory record Official record
Conditions
Smoking, Obesity, Dental Caries
Interventions
TEACH intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Jul 23, 2026, 9:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pivot Breath Sensor Performance Study

NCT03870022
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco
Interventions
Pivot Breath Sensor System, Similar Carbon Monoxide breath sensor system
Device
Lead sponsor
Jennifer Marler, MD
Industry
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Jul 23, 2026, 9:36 PM EDT