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

Feasibility and Acceptability of Switching to E-cigarettes Among Cigarette Smokers Engaged in SUD Treatment

NCT05918887
View directory record Official record
Conditions
Tobacco Dependence Caused by Cigarettes
Interventions
NJOY ACE commercial e-cigarette
Device
Lead sponsor
University of Nevada, Reno
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional

Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start-II Study

NCT04646174
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation, American Lung Association self-management strategies for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Research and Innovation to Stop E-cigarette/Vaping in Young Adults

NCT04974580
View directory record Official record
Conditions
Nicotine Dependence, E-Cig Use
Interventions
Nicotine patch, Phone Counseling, Digital Coaching
Drug · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 24 Years
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Jun 26, 2026, 5:22 PM EDT
Active, not recruiting Not applicable Interventional

Post Acute Cardiac Event Smoking (PACES) Study

NCT03413423
View directory record Official record
Conditions
Acute Coronary Syndrome, Tobacco Use
Interventions
BAT-CS, Smoking Cessation and Health & Wellness
Behavioral
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Jun 26, 2026, 5:22 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A First in Human Single Ascending Dose (SAD) Study of ATI-1013 in Healthy Smokers

NCT07215923
View directory record Official record
Conditions
Thromboangiitis Obliterans (Buerger's Disease)
Interventions
ATI-1013 (0.2 g), ATI-1013 (0.8 g), ATI-1013 (3.2 g), Placebo
Biological · Other
Lead sponsor
Antidote Therapeutics, Inc
Industry
Eligibility
23 Years to 59 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Jun 26, 2026, 5:22 PM EDT
Recruiting Phase 2Phase 3 Interventional

A Study Of Vagal Nerve Stimulation In Conjunction With NRT For Smoking Cessation

NCT07487818
View directory record Official record
Conditions
Smoking Cessation
Interventions
Non-invasive vagus nerve stimulator plus nicotine replacement patches, nicotine replacement patches
Combination Product · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jun 26, 2026, 5:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Trauma-Informed Care for Smoking Cessation for Pregnancy

NCT07129590
View directory record Official record
Conditions
Smoking Cessation, Tobacco Smoking, Tobacco Use Cessation, Smoking Reduction, Smoking, Cigarette, Trauma, Psychological, Trauma and Stressor Related Disorders
Interventions
Expired carbon monoxide (CO), Interviews, Questionnaires
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jun 26, 2026, 5:22 PM EDT
Completed No phase listed Observational Results available

Cognitive Testing of Tobacco Use Measurement Items for Administration With Cancer Patients and Survivors

NCT02233842
View directory record Official record
Conditions
Lung Cancer, Prostate Cancer, Bladder Cancer, Thymic Cancer
Interventions
Participant interview
Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
21 Years to 110 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2016 · Synced Jun 26, 2026, 5:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers

NCT01692353
View directory record Official record
Conditions
Cardiovascular Disease, Cigarette Smoking
Interventions
Subject's usual brand (UB) tobacco product
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
26 Years to 49 Years · Male only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

E-cigarette Switching Older Adults

NCT06534905
View directory record Official record
Conditions
Tobacco Use, Opioid Use Disorder, Tobacco-Related Disorders
Interventions
E-cigarette, Control/Standard Advice
Other · Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
50 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional Results available

Assessing E-Cigarettes for Tobacco Harm Reduction in the Context of Lung Cancer Screening

NCT06472869
View directory record Official record
Conditions
Electronic Cigarette Use, Smoking, Cigarette, Nicotine Dependence
Interventions
NJOY ACE e-cigarette
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jun 26, 2026, 5:22 PM EDT
Not listed Not applicable Interventional

Smoking Cessation Following Psychiatric Hospitalization

NCT02204956
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Sustained Care, Usual Care
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional Results available

Screening, Brief Intervention, and Referral to Treatment in Primary Care

NCT01966432
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Substance-related Disorders
Interventions
Referral to Treatment, Brief Intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Jun 26, 2026, 5:22 PM 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 2, 2015 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

Mobile Health Technology to Enhance Abstinence in Smokers With Schizophrenia

NCT02420015
View directory record Official record
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Nicotine replacement therapy, Bupropion, cognitive-behavioral smoking cessation counseling, Mobile Contingency Management, Stay Quit Coach, SMS text messaging
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Jun 26, 2026, 5:22 PM EDT
Active, not recruiting Phase 2 Interventional

Off-Label Medications for Alcohol Use Disorder Among Patients With HIV: Pilot Study 2

NCT06006143
View directory record Official record
Conditions
Alcohol Use Disorder, Hiv, Tobacco Use Disorder
Interventions
Varenicline
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer-Facilitated 5A's for Smoking Cessation in Primary Care

NCT02046408
View directory record Official record
Conditions
Nicotine Addiction, Smoking Cessation
Interventions
Computer Tablet
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
961 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Way to Quit - Comparative Efficacy, Acceptance and Effectiveness of Health Incentive Structures

NCT01526265
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Usual Care, Individual Rewards, Fixed Deposits, Competitive Deposits (Pari-Mutuel), Collaborative Rewards
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2,185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Results available

Acetylsalicylic Acid Compared to Placebo in Treating High-Risk Patients With Subsolid Lung Nodules

NCT02169271
View directory record Official record
Conditions
Current Smoker, Former Smoker, Multiple Pulmonary Nodules, Tobacco Use Disorder
Interventions
Aspirin, Laboratory Biomarker Analysis, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
50 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Jun 26, 2026, 5:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cardiovascular Disease Risk Factors in Chinese American Immigrants

NCT00362128
View directory record Official record
Conditions
Hypertension, Cardiovascular Diseases, Diabetes Mellitus, Metabolic Syndrome X
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
2,072 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced Jun 26, 2026, 5:22 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Peer-to-peer Tobacco and ENDS Prevention

NCT03491865
View directory record Official record
Conditions
Substance Use
Interventions
REAL media Plus curriculum
Behavioral
Lead sponsor
Real Prevention, LLC
Industry
Eligibility
13 Years to 16 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Clifton, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Phase 4 Interventional Results available

Abstinence Reinforcement Therapy (ART) for Homeless Veteran Smokers

NCT02245308
View directory record Official record
Conditions
Tobacco Use Disorder, Homelessness
Interventions
Nicotine Patches, mobile contingency management (mCM), Smoking cessation counseling, Nicotine rescue method, Bupropion
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Jun 26, 2026, 5:22 PM EDT
Completed Not applicable Interventional

Mindfulness Training for Smoking Cessation

NCT01144689
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking, Nicotine Dependence, Smoking Cessation
Interventions
Mindfulness Training, Smoking Cessation Therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Jun 26, 2026, 5:22 PM EDT
Recruiting Not applicable Interventional

Behavioral Intervention for Youth to Promote Vaping Cessation

NCT06765291
View directory record Official record
Conditions
Vaping, Vaping Teens, Nicotine Dependence
Interventions
QuitVaping, This is Quitting (TIQ)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 18 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Jun 26, 2026, 5:22 PM EDT