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ClinicalTrials.gov public records Last synced Oct 16, 2026, 2:28 AM EDT

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Showing 769–792 of 860 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Abuse Clear all
Completed Early Phase 1 Interventional Results available

Nicotine's Potential Abuse With Menthol

NCT04535362
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Oct 16, 2026, 2:28 AM EDT
Recruiting Not applicable Interventional

Quitting Matters Human Immunodeficiency Virus Hybrid Trial

NCT06883097
View directory record Official record
Conditions
Tobacco, Tobacco Abstinence, Smoking Cessation, Smoking Cessation; Tobacco Dependence, Human Immunodeficiency Virus (HIV), Tobacco Dependence Caused by Cigarettes, Cancer Prevention
Interventions
Learn to Quit-HIV (LTQ-H) App, QuitStart
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 16, 2026, 2:28 AM EDT
Not listed No phase listed Observational

A Digital Smoking Cessation Intervention for Adults With Substance Use Disorder

NCT04419922
View directory record Official record
Conditions
Tobacco Use Disorder, Substance Use Disorders
Interventions
Smartphone Contingency Management Intervention
Behavioral
Lead sponsor
BrightView LLC
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 9, 2020 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 3 Interventional Results available

Providing Free Nicotine Patches to Quitline Smokers

NCT01736085
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone counseling, Voucher, Nicotine patches
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sex Differences in E-cig Perception: Study 1

NCT05432830
View directory record Official record
Conditions
Nicotine Addiction, E-Cig Use, Cigarette Smoking, Sex Differences
Interventions
E-liquid Flavor 1, E-liquid Flavor 2, E-liquid Flavor 3
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 16, 2026, 2:28 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Nicotine Virtual Reality Conditioned Place Preference

NCT06259630
View directory record Official record
Conditions
Nicotine Addiction, Nicotine Use Disorder
Interventions
Nicotine, Placebo oral capsule
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Early Phase 1 Interventional Results available

Effects of Flavors on Nicotine Reinforcement in Smokers

NCT03243630
View directory record Official record
Conditions
Nicotine Dependence
Interventions
IV nicotine, Menthol flavor, green apple, green apple and menthol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Menthol in E-cigarettes on Smoking Behaviors

NCT04521647
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examining the Effects of Neural Stimulation on Inhibitory Control and Cigarette Smoking

NCT03960138
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Intermittent Theta-burst stimulation (iTBS), Continuous Theta-burst stimulation (cTBS)
Device
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 10, 2023 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Yoga and Cardiovascular Exercise on Smoking Motivation

NCT01423578
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Hatha Yoga (HY), Cardiovascular Exercise (CE), Smoking Cessation Counseling
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2017
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Quit Smoking Study for People Who Use E-Cigarettes

NCT04946825
View directory record Official record
Conditions
Nicotine Addiction, E-Cig Use, Quitting Smoking
Interventions
Nicotine replacement therapy patch, Nicotine replacement therapy lozenge, Quit electronic cigarettes, Continue electronic cigarettes
Drug · Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 29 Years
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 16, 2026, 2:28 AM 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 16, 2026 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 2 Interventional Results available

Adaptive Pharmacotherapy for Smoking Cessation

NCT02501265
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline Standard Protocol, Nicotine Patch Standard Protocol, Varenicline Adaptive Protocol, Nicotine Adaptive Protocol
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2021 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Comparing Smoking Cessation Interventions Among Underserved Patients Referred for Lung Cancer Screening

NCT04798664
View directory record Official record
Conditions
Smoking Cessation
Interventions
Removal of Financial Barriers, Financial Incentives, Mobile Health Application
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
3,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Oakland, California • Detroit, Michigan • Danville, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Not applicable Interventional Results available

Impact of Nicotine Messaging on Nicotine Beliefs and Tobacco Use Behavior

NCT04805515
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Nicotine Corrective Messages
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
794 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 2, 2022 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Innovative Interventions for Smoking Cessation

NCT01050569
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Patch, VLNC Cigarette, VLNC Cigarette Plus Nicotine Patch
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
2
States / cities
Duluth, Minnesota • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Oct 16, 2026, 2:28 AM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy and Safety of Combination EMB-001 as a Potential Smoking Cessation Treatment

NCT04868253
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
EMB-01
Drug
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 16, 2026, 2:28 AM 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 16, 2026, 2:28 AM EDT
Completed Phase 4 Interventional Results available

Smoking Cessation Medications: Efficacy, Mechanisms and Algorithms

NCT00332644
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine patch, nicotine lozenge, nicotine patch + nicotine lozenge, bupropion, bupropion + lozenge, placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 30, 2011 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Extinction Based Treatment for Nicotine Dependence

NCT00831155
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine Patches, Denicotinized Cigarettes
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
257 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

E-cigarettes, Nicotine Inhaler, and Blood Vessel Function

NCT03072628
View directory record Official record
Conditions
Nicotine Dependence
Interventions
e-cig with nicotine, e-cig without nicotine, nicotine inhaler, sham control
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Measuring Smoking Behaviors While Using Varenicline

NCT00948155
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Oct 16, 2026, 2:28 AM EDT
Completed Phase 1 Interventional

Effect of Progesterone on Smoking Behavior in Male and Female Smokers

NCT00271206
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Progesterone, sugar pill
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 40 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 16, 2026, 2:28 AM EDT
Withdrawn Phase 1Phase 2 Interventional

cSBIRT to Reduce Teen Tobacco, Alcohol and Drug Use

NCT01275391
View directory record Official record
Conditions
Tobacco Abuse, Alcohol Abuse, Drug Abuse
Interventions
Computer Screening, Brief Intervention, Referral toTreatment
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 16, 2026, 2:28 AM EDT