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ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:22 PM EDT

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Showing 241–264 of 1,798 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

FRESH Delivers: An Innovative Approach to Reducing Tobacco Use Among Rural Smokers

NCT05429892
View directory record Official record
Conditions
Tobacco Cessation, Tobacco Dependence, Food Security
Interventions
Smoking cessation counseling and food delivery, Smoking cessation counseling, Food delivery
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
21 Years to 75 Years
Enrollment
540 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 21, 2026, 4:22 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 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy Study of Intranasal Insulin to Treat Tobacco Abstinence Syndrome

NCT01781234
View directory record Official record
Conditions
Tobacco Abstinence Syndrome
Interventions
Intranasal Insulin, Placebo
Drug
Lead sponsor
Ajna Hamidovic
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Oct 21, 2026, 4:22 PM EDT
Terminated Not applicable Interventional Results available

Accelerated rTMS for the Reduction of Nicotine Craving

NCT03352609
View directory record Official record
Conditions
Nicotine Use Disorder, Nicotine Dependence
Interventions
Active rTMS with MagVenture MagPro double blind rTMS system, Sham rTMS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Learning-Theory-Based Smoking Cessation Strategies

NCT01368653
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Standard treatment, Standard treatment+practice quitting, Very low nicotine cigarettes
Behavioral · Drug
Lead sponsor
Rutgers University
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Abuse Liability of Very Low Nicotine (VLN) Cigarettes

NCT03559751
View directory record Official record
Conditions
Tobacco Use
Interventions
VLN cigarettes (A), Usual Brand Cigarettes (B), Nicotine gum (C)
Other · Drug
Lead sponsor
22nd Century Group, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190103: A Study to Assess Nicotine Pharmacokinetic Parameters After Use of Two Smokeless Tobacco Products

NCT03993795
View directory record Official record
Conditions
Tobacco Use
Interventions
A19010-W, B19010-F
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
6
States / cities
Rogers, Arkansas • Lexington, Kentucky • Springfield, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

Tobacco Craving and Triggers in Persons With Schizophrenia

NCT01846065
View directory record Official record
Conditions
Smoker, Schizophrenia Diagnosis
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional

Randomized, Double Blind, Placebo-Controlled, Phase IIB Trial of Ketorolac Mouth Rinse Evaluating the Effect of Cyclooxygenase Inhibition on Oropharyngeal Leukoplakia: Collaborative Study of the NCI, NIDCD and the NIDCR

NCT00001698
View directory record Official record
Conditions
Leukoplakia, Periodontal Disease
Interventions
Ketorolac Rinse
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Smoking Treatment of Prisoners

NCT00110630
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
10-week smoking cessation group therapy combined with NicoDerm CQ
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 4:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Determine the Effects of ENDS Flavor Availability on Abstinence Within Smokers

NCT07598136
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
P2613422, P2611222, P2615522, P2615122, P2615422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
1,280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
7
States / cities
Maitland, Florida • Atlanta, Georgia • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline-Aided Cigarette Reduction in Smokers Not Ready to Quit

NCT01308736
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Varenicline, Placebo pill
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 64 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

Clinical Trial of Smoking Cessation Mobile Phone Program

NCT02656745
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 4 Interventional Results available

Nicotine Replacement Therapy (NRT) and Bupropion Mechanisms of Effectiveness in Smokers

NCT01048944
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Bupropion SR, Nicotine Patch, Placebo Patch and Placebo Pill
Drug
Lead sponsor
Southern Illinois University Carbondale
Other
Eligibility
18 Years to 55 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Carbondale, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 25, 2014 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism

NCT02999399
View directory record Official record
Conditions
Smoking
Interventions
Brussel Sprouts, Deuterated Phenanthrene
Other · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Semaglutide for Alcohol Use Disorder

NCT05520775
View directory record Official record
Conditions
Alcohol Use Disorder, Cigarette Smoking
Interventions
Semaglutide, Sham/placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 1 Interventional Results available

Improving Functional Outcomes of Veterans With PTSD and Tobacco Dependence

NCT02576899
View directory record Official record
Conditions
Tobacco, Posttraumatic Stress Disorder
Interventions
Acceptance and Commitment Therapy for PTSD and Tobacco Use, Freedom From Smoking
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 10, 2020 · Synced Oct 21, 2026, 4:22 PM EDT
Terminated Phase 2 Interventional Results available

A Safety and Cognitive Function Study of EVP-6124 Versus Placebo in Subjects With Nicotine Dependence

NCT01480232
View directory record Official record
Conditions
Nicotine Dependence, Smoking Cessation
Interventions
EVP-6124, Placebo Capsule, NicoDerm Patch (Active), NRT Patch (Placebo), Brief Supportive and Behavioral Treatment
Drug · Behavioral
Lead sponsor
A. Eden Evins
Other
Eligibility
18 Years to 65 Years
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Quitting Study A Test of Pre-clinical Findings

NCT01824511
View directory record Official record
Conditions
Smoking
Interventions
Smokers cease smoking
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
287 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Hanover, New Hampshire • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Oxidative Stress and Vitamin E Requirements

NCT00067899
View directory record Official record
Conditions
Smoking
Interventions
Vitamin E with and without Vitamin C
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 35 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Oct 21, 2026, 4:22 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 21, 2026, 4:22 PM 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 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing Source Credibility in Tobacco Regulatory Communications

NCT03339206
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Constituent message with FDA and quitline, Constituent message without FDA and quitline, Littering message (Control)
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Oct 21, 2026, 4:22 PM EDT
Not yet recruiting Not applicable Interventional

Cardiovascular Impacts of E-cigarettes Among Older Adults

NCT07880704
View directory record Official record
Conditions
Hypertension, Tobacco Cigarette Smoking, Electronic Cigarettes, Cardiovascular
Interventions
Nicotine E-cigarette, Tobacco Cigarette
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 21, 2026, 4:22 PM EDT