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Showing 1–24 of 514 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nicotine Dependence Clear all
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Smokers With and Without Attention Deficit Hyperactivity Disorder (ADHD)

NCT01123668
View directory record Official record
Conditions
Smoking, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 4, 2026, 5:14 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

TMS-fMRI for Neural Pathway in Smokers

NCT02665338
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
Xingbao Li
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Progesterone and Brain Imaging Study

NCT01954966
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Withdrawal
Interventions
Progesterone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 2 Interventional

Role of Metabolites in Nicotine Dependence (4) - 13

NCT00000296
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
1997 – 2001
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smartphone-based Financial Incentives

NCT03922360
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Smartphone-based Financial Incentives, Best Practices
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 4, 2026, 5:14 AM EDT
Recruiting Phase 2Phase 3 Interventional

A Study Of Vagal Nerve Stimulation In Conjunction With NRT For Smoking Cessation

NCT07487818
View directory record Official record
Conditions
Smoking Cessation
Interventions
Non-invasive vagus nerve stimulator plus nicotine replacement patches, nicotine replacement patches
Combination Product · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 4, 2026, 5:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Temporal Interference Methods for Addiction Treatment

NCT07210268
View directory record Official record
Conditions
Nicotine Use Disorder, Substance Use Disorders
Interventions
TI-NDBS, Sham TI-NDBS
Device
Lead sponsor
Indiana University
Other
Eligibility
21 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Bloomington, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reactions to E-cigs and Alcohol

NCT03449017
View directory record Official record
Conditions
Alcohol Abuse, Nicotine Dependence Tobacco Product
Interventions
E-cig use
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Not applicable Interventional

Varenicline Tartrate With Telephone-Based Counseling and/or Internet-Based Counseling in Helping Adults Stop Smoking

NCT00301145
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
smoking cessation intervention, varenicline, counseling intervention, internet-based intervention
Behavioral · Drug · Other
Lead sponsor
SRI International
Industry
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
3
States / cities
Menlo Park, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Sep 4, 2026, 5:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Orexin s Role in the Neurobiology of Substance Use Disorder

NCT05630781
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Belsomra, Placebo, Methylphenidate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 4 Interventional Results available

Varenicline for Nicotine Vaping Cessation in Adolescents

NCT05367492
View directory record Official record
Conditions
Vaping, Nicotine Dependence
Interventions
Double Blind Varenicline, Double Blind Placebo, QuitVaping, This Is Quitting
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 25 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Not applicable Interventional Results available

The Gender-Sex Hormone Interface With Craving & Stress-Related Changes in Smoking

NCT01576874
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Oxytocin, placebo
Drug
Lead sponsor
Kevin Gray, MD
Other
Eligibility
18 Years to 45 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Results available

Combination Bupropion / Varenicline for Smoking Cessation in Male Smokers

NCT01806779
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Chantix, Zyban, Nicotine patches
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
4
States / cities
Charlotte, North Carolina • Durham, North Carolina • Raleigh, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2016 · Synced Sep 4, 2026, 5:14 AM EDT
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 25, 2024 · Synced Sep 4, 2026, 5:14 AM EDT
Recruiting Phase 2 Interventional

The CONQUER Trial - Cessation Of Nicotine, QUitting With E-cigarette Reduction

NCT07322432
View directory record Official record
Conditions
Addiction Nicotine
Interventions
VapeAway filter system
Device
Lead sponsor
VapeAway
Industry
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 4, 2026, 5:14 AM 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 7, 2025 · Synced Sep 4, 2026, 5:14 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Temporal Interference Neurostimulation and Addiction

NCT04432064
View directory record Official record
Conditions
Nicotine Use Disorder, Substance Use Disorders
Interventions
Active TI-NDBS, Sham TI-NDBS, tDCS
Device · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Not applicable Interventional Results available

Trial on the Effectiveness of Mindfulness Training for Smokers

NCT01093599
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Quit Line plus MTS, Quit Line Only
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Genetic Differences in Limbic Activation Associated With Nicotine Withdrawal

NCT00664404
View directory record Official record
Conditions
Smoking
Interventions
Functional Magnetic Resonance Imaging (fMRI)
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Changing Thought and Action in Tobacco Dependence With Transcranial Magnetic Stimulation

NCT00973622
View directory record Official record
Conditions
Tobacco Dependence
Interventions
repetitive transcranial magnetic stimulation (rTMS) 10 Hertz (Hz), repetitive transcranial magnetic stimulation (rTMS) 20Hz, SHAM repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
University of Arkansas
Other
Eligibility
19 Years to 55 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2013 · Synced Sep 4, 2026, 5:14 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on Smoked Nicotine Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effects

NCT01636336
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, Progesterone
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Nicotine Lozenge to Reduce Smokeless Tobacco Use

NCT00218283
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Lozenge, Behavioral Counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 4, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Selegiline for Smoking Cessation - 1

NCT00439413
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Selegiline Transdermal Patch, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
4
States / cities
College Park, Maryland • New Brunswick, New Jersey • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 4, 2026, 5:14 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Cue Reactivity in Virtual Reality: The Role of Context

NCT00862927
View directory record Official record
Conditions
Smoking
Interventions
Breath Sample, Saliva Sample, Questionnaire, View Virtual Reality Scenes
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 4, 2026, 5:14 AM EDT