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ClinicalTrials.gov public records Last synced Oct 9, 2026, 5:02 PM EDT

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Showing 145–168 of 2,070 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Smoking Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Dependence Treatment Education for Dental Students

NCT01522924
View directory record Official record
Conditions
Smoking
Interventions
Counseling practice sessions
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Oct 9, 2026, 5:02 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Nicotine and Pavlovian Bias

NCT06027723
View directory record Official record
Conditions
Nicotine Vaping, Nicotine Dependence
Interventions
Nicotine, Placebo
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of a Decision Aid for E-Cigarettes in Primary Care

NCT03836573
View directory record Official record
Conditions
Smoking, Cigarette, Smoking Cessation
Interventions
Smoking Cessation iPad Decision Aid Tool
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 9, 2026, 5:02 PM EDT
Terminated Phase 2 Interventional

Cholecalciferol Supplementation in Strengthening Inspiratory Muscles in Cholecalciferol-Deficient Patients With Chronic Obstructive Pulmonary Disease

NCT02877641
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Muscle Weakness
Interventions
Cholecalciferol, Laboratory Biomarker Analysis, Multivitamin, Placebo, Questionnaire Administration
Dietary Supplement · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 9, 2026, 5:02 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Kick-Nic! Youth Quit Vaping App

NCT06662305
View directory record Official record
Conditions
Nicotine Vaping
Interventions
Kick-Nic! mobile phone application, NCI Quit Vaping website
Behavioral
Lead sponsor
Yale University
Other
Eligibility
12 Years to 19 Years
Enrollment
306 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Chantix & Bupropion for Smoking Cessation

NCT00587769
View directory record Official record
Conditions
Smoking, Tobacco Use Disorder
Interventions
Bupropion SR & Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A First-in-Human Study of SBP-9330 in Healthy Subjects

NCT04948827
View directory record Official record
Conditions
Smoking Cessation
Interventions
SBP-9330, Placebo
Drug
Lead sponsor
Camino Pharma, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 9, 2026, 5:02 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Cigarette Harm Reduction With Electronic Cigarette Use

NCT03473483
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Toxicity, Nicotine Dependence, Cigarettes, Cardiovascular Risk Factor, Nicotine Withdrawal
Interventions
SREC
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2022 · Synced Oct 9, 2026, 5:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response

NCT02480283
View directory record Official record
Conditions
Cannabis Smoking, Oxidative Stress
Interventions
Bronchoscopy, Chest X-ray, Venipuncture, Intravenous Catheter
Procedure · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 10, 2024 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Controlled Study of the Ability of a Smokefree Tobacco Product to Increase the Quit Rate Among Cigarette Smokers

NCT00843622
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Low-nitrosamine smokefree tobacco product for oral use, Non-tobacco, non-nicotine placebo product
Drug · Other
Lead sponsor
Swedish Match AB
Industry
Eligibility
25 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Daytona Beach, Florida • Evansville, Indiana • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2014 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline For Smokers In Recovery From Alcohol Dependence

NCT01092702
View directory record Official record
Conditions
Tobacco Abstinence
Interventions
Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Personalized Feedback for Distress Intolerant Smokers

NCT03918031
View directory record Official record
Conditions
Anxiety Disorders, Depression, Psychological Distress, Tobacco Dependence, Smoking, Tobacco, Smoking, Cigarette
Interventions
PFI for Smoking & Distress Tolerance, PFI for Smoking Only
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Not applicable Interventional Results available

Internet-Administered Smoking Cessation Treatment for Overweight and Obese Smokers

NCT01259466
View directory record Official record
Conditions
Smoking Cessation, Overweight, Obesity
Interventions
Nicotine patch
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD201301: Study to Assess Elements of Abuse Liability for Four P13 Nicotine Pouches

NCT05294497
View directory record Official record
Conditions
Smoking, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product N, Product E
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Lexington, Kentucky • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco/Nicotine Purchase Patterns Across SES

NCT06795997
View directory record Official record
Conditions
Smoking Behaviors, Smoking, Non-Tobacco Products, Smoking, Cigarette
Interventions
Tax Conditions, Control Condition
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
663 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety and Efficacy of Dietary Supplement Anatabloc in Reducing Daily Smokers' Urge to Smoke

NCT01428310
View directory record Official record
Conditions
Tobacco Use Disorder, Tobacco Dependence, Smoking
Interventions
Anatabloc(TM), CigRx(R)
Dietary Supplement
Lead sponsor
Rock Creek Pharmaceuticals, Inc.
Industry
Eligibility
23 Years to 72 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 30, 2015 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 4 Interventional Results available

Post-Discharge Smoking Cessation Strategies: Helping HAND 4

NCT03603496
View directory record Official record
Conditions
Smoking Cessation
Interventions
Transitional Tobacco Care Management (TTCM), eReferral to State Tobacco Quitline (QL), Nicotine replacement therapy
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Boston, Massachusetts • Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 9, 2026, 5:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

CSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult Smokers

NCT05102786
View directory record Official record
Conditions
Smoking, Tobacco Use, Tobacco Smoking
Interventions
40007388, 40007385, 40007387, 40007386
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
10
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2022 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Internet Stop Smoking Study - Phase VI

NCT00721786
View directory record Official record
Conditions
Smoking
Interventions
UCSF/SFGH Internet Stop Smoking Study site
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
18,154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 2 Interventional Results available

The Role of Nicotine Dose and Route of Delivery in Affecting Adoption of E-cigarettes and Reducing Exposure to Toxic Combustion Products

NCT03492463
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Nicotine patch, Placebo patch, E-cigarettes, Non-nicotine e-cigarettes
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 9, 2026, 5:02 PM EDT
Recruiting Not applicable Interventional

Shaping Habitual Impulses For a Tobacco-free Style

NCT07025772
View directory record Official record
Conditions
ST+ABR, ST+SHAM, ST-only
Interventions
ST+ABR, ST+Sham, ST Only
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Celecoxib as a Chemopreventive Agent in Current and Former Smokers

NCT00981201
View directory record Official record
Conditions
Smoking, Prevention
Interventions
Celecoxib, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 74 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Oct 9, 2026, 5:02 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 21, 2020 · Synced Oct 9, 2026, 5:02 PM EDT
Completed Phase 2 Interventional

Tobacco Treatment Optimization and Preferences During Concurrent Cancer Treatment

NCT04634071
View directory record Official record
Conditions
Smoking Cessation, Cancer, Treatment-Related
Interventions
Varenicline, Bupropion, Long-acting nicotine replacement therapy, Low-intensity counseling, High-intensity counseling, No nicotine replacement therapy, Nicotine Replacement Products
Drug · Behavioral · Other
Lead sponsor
Joseph Valentino, MD
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
3
States / cities
Bowling Green, Kentucky • Lexington, Kentucky • Owensboro, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 9, 2026, 5:02 PM EDT