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ClinicalTrials.gov public records Last synced Oct 20, 2026, 11:03 PM EDT

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Showing 49–72 of 2,080 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Characterize Nicotine Pharmacokinetics and Subjective Effects of Nicotine Pouches in Adult Cigarette Smokers

NCT04846088
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product F, Product G, Product H, Product I
Other
Lead sponsor
British American Tobacco (Investments) Limited
Industry
Eligibility
22 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Digital Ankle Brachial Index (ABI) as a Screening Tool in Detecting Peripheral Arterial Disease

NCT03161327
View directory record Official record
Conditions
Peripheral Artery Disease, Amputation, Smoking, Diabetes, Hypercholesterolemia, Hypertension
Interventions
ABI using QuantaFlo™
Device
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 90 Years
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 20, 2026, 11:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Nicotine Withdrawal and Reward Processing: Connecting Neurobiology to Real-world Behavior

NCT03840694
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Withdrawal
Interventions
Smoking Abstinence, Ad Lib Smoking
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2021 · Synced Oct 20, 2026, 11:03 PM EDT
Terminated Phase 2 Interventional Results available

Effects of ABT-089 on Smoking Abstinence Symptoms and Reward

NCT01756053
View directory record Official record
Conditions
Nicotine Addiction
Interventions
ABT-089, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 29, 2014 · Synced Oct 20, 2026, 11:03 PM EDT
Completed No phase listed Observational

Quantitation of Human Cerebral Nicotinie Receptors With 2[18F]FA-85380 and PET Healthy Non-smokers and Ex-Smokers and in Heavy and Light Situational Smokers

NCT01038245
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Cigar Flavor in Dual Users

NCT04487470
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Flavored filtered cigars, Unflavored filtered cigars
Other
Lead sponsor
UConn Health
Other
Eligibility
21 Years to 34 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

An Intervention to Reduce Second Hand Smoke Exposure Among Pediatric Emergency Patients

NCT02531594
View directory record Official record
Conditions
Smoking Cessation
Interventions
SBIRT, HHC
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Phase 2 Interventional Results available

Cognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine Dependence

NCT01292642
View directory record Official record
Conditions
Cannabis Dependence, Nicotine Dependence
Interventions
Cognitive Behavioral Therapy, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2013 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional

Contingency Management and Pharmacotherapy for Smoking Cessation

NCT00683280
View directory record Official record
Conditions
Cigarette Smoking
Interventions
contingency management, Standard of Care
Behavioral · Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Strengthening Instrumental Extinction to Prevent Smoking Relapse (VLNCCue)

NCT02538042
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine Patch, SPECTRUM Nicotine Research Cigarettes (0.07 mg), MCE-
Drug · Behavioral
Lead sponsor
Francis McClernon, Ph.D.
Other
Eligibility
18 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Nicotine Film in Smokers

NCT02239770
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Film, Placebo Nicotine Film
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

Effectiveness of The Step Up Wellness Program for People With Depression

NCT00644995
View directory record Official record
Conditions
Depression
Interventions
Step Up Wellness Program, Usual care
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional

Women Engaging in Quitting Smoking Together (WE QUIT)

NCT02051803
View directory record Official record
Conditions
Smoking Cessation
Interventions
Distress Tolerance Treatment for Weight Concern (DT-W), Health Education (HE)
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 31, 2015 · Synced Oct 20, 2026, 11:03 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

The Impact of Group Commitment Contracts on Smoking Cessation and Weight Loss

NCT04224727
View directory record Official record
Conditions
Smoking Cessation, Weight Loss
Interventions
Group Commitment Contract, Individual Monetary Rewards, Individual Commitment Contract, Information
Behavioral · Other
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

Efficacy of a Smoke-Free Homes Intervention

NCT04547686
View directory record Official record
Conditions
Cessation, Smoking
Interventions
Smoke-Free Homes Intervention, Quitline
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
916 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 20, 2026, 11:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Mapping Brain Glutamate in Humans: Sex Differences in Cigarette Smokers

NCT05279053
View directory record Official record
Conditions
Sex, Cigarette Smoking
Interventions
Abstinence and Smoking
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 20, 2026, 11:03 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

5-HT2A Agonist Psilocybin in the Treatment of Tobacco Use Disorder

NCT05452772
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Psilocybin, Niacin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
3
States / cities
Birmingham, Alabama • Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 20, 2026, 11:03 PM EDT
Not yet recruiting Not applicable Interventional

E-cigarette Social Media Marketing and Its Perceptions by Youth

NCT07694739
View directory record Official record
Conditions
Vaping
Interventions
Exposure to Influencer Age and Context Variations in E-Cigarette Marketing
Other
Lead sponsor
University of Southern California
Other
Eligibility
14 Years to 17 Years
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 20, 2026, 11:03 PM EDT
Not listed Not applicable Interventional

Stage Ib Trial of mSMART for Smoking Cessation Medication Adherence

NCT02635919
View directory record Official record
Conditions
Nicotine Dependence
Interventions
mSMART
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 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 Apr 3, 2018 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Bio-Behavioral Predictors of the Efficacy of Nicotine Replacement Therapy (NRT)

NCT00326781
View directory record Official record
Conditions
Smoking
Interventions
Nicoderm Transdermal Patch, Nicotine Nasal Spray
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
674 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 24, 2010 · Synced Oct 20, 2026, 11:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

E-Cigarette Aerosol, Conventional Cigarette Smoke, and Myocardial Perfusion

NCT02612701
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Perfusion
Interventions
Cigarettes, E-cigarettes (nicotine free e-liquid), E-cigarettes (low nicotine e-liquid), E-cigarettes (high nicotine e-liquid)
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 49 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Oct 20, 2026, 11:03 PM EDT
Completed Not applicable Interventional

An Experimental Evaluation of Menthol-Flavored Tobacco Accessories

NCT07092501
View directory record Official record
Conditions
Cigarette, Smoking Behaviors, Cigarette Smoking Behavior
Interventions
Mentholated cigarette sampling, Hypothetical Policy Scenarios, Subjective value assessment
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 20, 2026, 11:03 PM EDT
Completed No phase listed Observational

Project 1: Evaluating EHR-Based Health System Modifications for the Chronic Care of Smoking

NCT02358330
View directory record Official record
Conditions
Smoking, Nicotine Dependence, Electronic Health Records, Translational Research
Interventions
EHR Enhanced Clinic Intervention
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Not listed
Enrollment
28,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 13, 2020 · Synced Oct 20, 2026, 11:03 PM EDT
Recruiting Not applicable Interventional

Adapting an Intervention for Vaping in Young Veterans

NCT06196489
View directory record Official record
Conditions
E Cigarette Use
Interventions
adapted vaping cessation intervention
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 20, 2026, 11:03 PM EDT