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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:53 AM EDT

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Showing 97–120 of 497 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Nicotine Addiction Clear all
Completed Phase 2 Interventional

Role of Metabolites in Nicotine Dependence (3) - 6

NCT00000289
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Ondansetron
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetics and Pharmacodynamics of Nicotine With Use of Standardized Research Electronic Cigarette (SREC)

NCT05658471
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Toxicity, Cardiovascular Risk Factors
Interventions
Standardized Research E-Cigarette (SREC), Over the Counter E-Cigarette (EC), Biological Samples, Smoking-related Questionnaires
Other · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pilot Study of Transcranial Magnetic Stimulation (TMS) in Nicotine Addiction

NCT01031693
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland • Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 21, 2026, 9:53 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility of a Medical-Legal Partnership Model to Connect Coal Miners QuitAid

NCT07694492
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder, Nicotine Dependence, Smokeless Tobacco Use
Interventions
QuitAid (pharmacist-delivered MTM), Nicotine Replacement Therapy (NRT)
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 2 Interventional Results available

Combining Varenicline and Naltrexone for Smoking Cessation

NCT02698215
View directory record Official record
Conditions
Nicotine Dependence, Alcohol Use Disorder
Interventions
Varenicline, Varenicline plus Naltrexone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Menstrual Cycle Effects on Smoking Cessation and Cue Reactivity

NCT00664755
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, transdermal nicotine patch
Drug · Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Oct 21, 2026, 9:53 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Study of Lunesta Versus Placebo for Sleep Problems Related to Smoking Cessation and Zyban

NCT00511134
View directory record Official record
Conditions
Insomnia, Nicotine Dependence
Interventions
Eszopiclone, Bupropion
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 2 Interventional

Very Low-Nicotine Cigarettes in Smokers With SUD

NCT01989507
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, behavioral counseling for smoking cessation
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 21, 2026, 9:53 AM EDT
Terminated Phase 1 Interventional

Early Tobacco Abstinence - 5

NCT00224965
View directory record Official record
Conditions
Tobacco Use
Interventions
Behavior Therapy
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Message Framing for Telephone Quitline Callers

NCT00589277
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Gain-Framed counseling & Gain-framed materials, Standard care counseling + standard materials
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
2,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational

Electronic Cigarette Use During Pregnancy

NCT03480373
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Not listed
Lead sponsor
UConn Health
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
182 participants
Timeline
2018 – 2023
U.S. locations
6
States / cities
Denver, Colorado • Farmington, Connecticut • Hartford, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional

Not Quite Ready to Quit

NCT01866722
View directory record Official record
Conditions
Smoking Cessation
Interventions
Usual care, Reduction, 5Rs
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 21, 2026, 9:53 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Cigarette Harm Reduction With Electronic Cigarette Use

NCT03473483
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Toxicity, Nicotine Dependence, Cigarettes, Cardiovascular Risk Factor, Nicotine Withdrawal
Interventions
SREC
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2022 · Synced Oct 21, 2026, 9:53 AM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Study of Bupropion Versus Bupropion + Naltrexone for Smoking Cessation

NCT00419731
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Bupropion + Naltrexone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2009 · Synced Oct 21, 2026, 9:53 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 21, 2026, 9:53 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 4, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Pregnant Women

NCT04033237
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Lexington, Kentucky • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

tDCS Effects on Resisting Smoking: Dose Ranging Study

NCT02624284
View directory record Official record
Conditions
Nicotine Addiction
Interventions
transcranial direct current stimulation (tDCS)
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Oct 21, 2026, 9:53 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Self-activation in Individuals With and Without Nicotine Dependence

NCT03170258
View directory record Official record
Conditions
Addiction Nicotine
Interventions
Neurofeedback (from fMRI and/or EEG)
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 5, 2024 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 2 Interventional Results available

Gender Differences in Response to Nicotine Replacement Therapy and De-Nicotinized Cigarettes

NCT00960778
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine patch (Nicoderm Committed Quitter (CQ), Habitrol), denicotinized cigarettes (Quest 3 cigarettes)
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Oct 21, 2026, 9:53 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Short-term Safety and Use Patterns of an Electronic Nicotine Delivery System

NCT01898169
View directory record Official record
Conditions
Nicotine Dependence
Interventions
NJOY King 26 mg nicotine Electronic Nicotine Delivery System
Other
Lead sponsor
LA Clinical Trials
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2013 · Synced Oct 21, 2026, 9:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Abuse Liability and Appeal of Oral Nicotine Products

NCT06506162
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Flavor, Nicotine concentration
Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 25 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional

Electronic Cigarettes as a Harm Reduction Strategy Among People Living With HIV/AIDS

NCT04218708
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Nicotine patch and gum, Minnesota Nicotine Withdrawal Scale (MNWS), ASSIST (the Alcohol, Smoking and Substance Involvement Screening), Counseling, NIDA Standardized Research E-cigarettes (SREC)
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational Results available

Evaluation of a Smoking Cessation Program for Long-Term Abstinence

NCT06746025
View directory record Official record
Conditions
Nicotine Addiction, Smoking Cessation
Interventions
Quit Center cessation program
Behavioral
Lead sponsor
Quit Center LLC
Industry
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Naples, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Enhancing Panic and Smoking Reduction Treatment With D-Cycloserine

NCT01944423
View directory record Official record
Conditions
Nicotine Addiction, Panic Attack
Interventions
d-cycloserine, Pill Placebo, Nicotine replacement therapy, Panic and Smoking Reduction Treatment
Drug · Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 21, 2026, 9:53 AM EDT