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ClinicalTrials.gov public records Last synced Oct 15, 2026, 2:57 PM EDT

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Showing 745–768 of 1,795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Products Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Contingency Management and Nicotine Replacement Therapy on Youth Smoking

NCT01359709
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Nicotine polacrilex
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 15, 2026, 2:57 PM EDT
Terminated No phase listed Observational

Study on Smoking Cessation and Cost Outcomes in the Duke Smoking Cessation Program

NCT02845687
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 3 Interventional

Telephone and Web-based Teen Tobacco Cessation in HMOs

NCT00311948
View directory record Official record
Conditions
Tobacco Use
Interventions
Telephone counseling + interactive website = more abstinence, Behavioral: interactive website
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
15 Years to 18 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
3
States / cities
Eugene, Oregon • Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 28, 2012 · Synced Oct 15, 2026, 2:57 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

VergeRx for Smokers Not Ready to Quit

NCT07693660
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
VergeRx, SmokefreeTXT, NRT Lozenge (Combination), Extended NRT Patch (16 weeks), Standard NRT Patch (8 weeks)
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
592 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2032
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 15, 2026, 2:57 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Smoked Nicotine Induced Changes in Hormone Function, Mood States and Behaviors

NCT01636323
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2013 · Synced Oct 15, 2026, 2:57 PM EDT
Recruiting Not applicable Interventional

Cigarette Filter Study

NCT07348679
View directory record Official record
Conditions
Smoking ( Cigarette)
Interventions
Charcoal filtered cigarettes with marketing, Charcoal filtered cigarette without marketing, Non-charcoal filtered cigarettes
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years and older
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 2 Interventional

Role of Metabolites in Nicotine Dependence (2) - 5

NCT00000288
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cotinine fumarate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2002
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 15, 2026, 2:57 PM EDT
Recruiting Not applicable Interventional

Testing the Impact of Smartphone-based Messaging to Support Young Adult Smoking Cessation

NCT05836103
View directory record Official record
Conditions
Tobacco Cigarette Smoking
Interventions
Smartphone-based intervention messages
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 30 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 15, 2026, 2:57 PM EDT
Not yet recruiting Not applicable Interventional

Impact of Electronic Cigarette Temperature and Solvent on Biomarkers

NCT07612696
View directory record Official record
Conditions
Oxidative Stress, Tobacco Use, Electronic Cigarettes
Interventions
High temperature wattage setting on electronic cigarette, Low temperature wattage setting on electronic cigarette, High concentration of Propylene Glycol, Low concentration of Propylene Glycol
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Informing Tobacco Treatment Guidelines for African American Non-Daily Smokers

NCT02244918
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 1Phase 2 Interventional

Antibody and Safety Study of 6 Doses of NicVAX in Smokers

NCT00598325
View directory record Official record
Conditions
Smoking
Interventions
3'-aminomethyl-Nic r-EPA Conjugate (NicVAX®)
Biological
Lead sponsor
Nabi Biopharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 9, 2012 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment

NCT02585206
View directory record Official record
Conditions
Smoking Cessation
Interventions
Personalization, Integration, Dynamic Tailoring, Message Intensity, Optimal-Adherence Text
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
1,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Not applicable Interventional Results available

Comparison of the Substitution Between Different Tobacco/Nicotine Products as a Function of Tobacco-user Type

NCT05177848
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Vaping
Interventions
All nicotine/ tobacco products at market price, Nicotine vaping products at 1/2 market price, Nicotine vaping products at 2x market price, Heated tobacco products at 1/2 market price., Heated tobacco products at 2x market price., Nicotine pouch products at 1/2 market price., Nicotine pouch products at 2x market price.
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 15, 2026, 2:57 PM EDT
Active, not recruiting Not applicable Interventional

Comparing an Opt-out to an opt-in Approach for Smoking Cessation in VA Primary Care Clinics

NCT03477435
View directory record Official record
Conditions
Tobacco Use
Interventions
Staff training and academic detailing
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
1,365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 15, 2026, 2:57 PM 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 15, 2026, 2:57 PM EDT
Completed Not applicable Interventional

Marketing Workplace Chronic Disease Prevention

NCT00452816
View directory record Official record
Conditions
Health Behavior, Chronic Disease
Interventions
Workplace Solutions Consulting approach, Delayed intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 20, 2009 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190203: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting

NCT04104152
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
CSD1902-11, CSD1902-12, CSD1902-13, CSD1902-14, CSD1902-21, CSD1902-22, CSD1902-23, CSD1902-24
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Comparing NicoBloc to Nicotine Lozenges

NCT03720899
View directory record Official record
Conditions
Smoking Cessation, Nicotine Dependence
Interventions
NicoBloc, Nicotine Lozenge
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 15, 2026, 2:57 PM EDT
Terminated Phase 2 Interventional Results available

Role of Proinflammatory Signaling in Alcohol Craving

NCT01631630
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Drinking, Stress, Alcohol-Related Disorders
Interventions
Pioglitazone, Placebo
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Provider and Peer Delivered Youth Smoking Intervention

NCT00435344
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Pediatric Practice-Based Smoking Intervention
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
13 Years to 17 Years
Enrollment
2,711 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 14, 2007 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Transcranial Magnetic Stimulation Effects on Nicotine Craving

NCT01690130
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation (Neuronetics), Sham Transcranial Magnetic Stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Oct 15, 2026, 2:57 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Heat-not-burn Tobacco Product to Aid in Switching From Combustible to Noncombustible Nicotine (IQOS)

NCT04861428
View directory record Official record
Conditions
Smoking Behaviors
Interventions
IQOS, Smoking as Usual
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 77 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Oct 15, 2026, 2:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Gradual vs. Abrupt Cessation Treatment for Smoking

NCT00297492
View directory record Official record
Conditions
Smoking Cessation
Interventions
Reduction Phone Counseling, Abrupt Phone Counseling, Minimal Abrupt Phone Counseling, Pre-Quit Nicotine Lozenges, Post-Quit Nicotine Lozenges
Behavioral · Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 15, 2026, 2:57 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Clinical Alternatives for Reducing Harm Using E-cigarettes

NCT07039292
View directory record Official record
Conditions
Smoking, E-Cig Use, Oncology
Interventions
Harm Reduction (E-cigarette switching), Standard of Care
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 15, 2026, 2:57 PM EDT