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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nicotine Use Clear all
Completed Not applicable Interventional

Parenting Intervention for Mothers With Substance Use Disorder

NCT06489522
View directory record Official record
Conditions
Substance Use Disorders, Children of Mothers With Substance Use Disorders
Interventions
THRIVE
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
3 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 8, 2026, 9:12 AM 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 23, 2010 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Not applicable Interventional Results available

Examining the Generality of Laboratory-based Findings and Their Moderators in the ITC Study

NCT06456671
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Vaping
Interventions
All nicotine/ tobacco products at market price, Nicotine vaping products at 1/2 market price, Heated tobacco products at 1/2 market price., Nicotine pouch products at 1/2 market price.
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Not applicable Interventional

Cigarette Packaging of Low Nicotine Cigarettes

NCT03802019
View directory record Official record
Conditions
Smoking, Cigarette
Interventions
LNC Cigarettes + Colored Packaging, Own Brand
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years to 65 Years
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 8, 2026, 9:12 AM EDT
Not yet recruiting Not applicable Interventional

Evaluation of Community Health Worker Support to Help People With Serious Mental Illness to Quit Smoking

NCT07789132
View directory record Official record
Conditions
Nicotine Dependance, Serious Mental Illness, Smoking (Tobacco) Addiction, Tobacco Cessation, Community Health Workers, Cardiovascular (CV) Risk, Tobacco Use Disorder
Interventions
Integrated CHW Support intervention, Enhanced usual care (EUC)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
937 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 8, 2026, 9:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Learning Study for a Mobile Smoking Cessation Program

NCT04857515
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking Reduction, Smoking, Cigarette, Smoking, Nicotine Dependence
Interventions
Clickotine®
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Sep 8, 2026, 9:12 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 19, 2015 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Safety and Effectiveness of Sustained Release Bupropion in Treating Individuals With Schizophrenia Who Smoke

NCT00307203
View directory record Official record
Conditions
Tobacco-Use Disorder, Schizophrenia, Psychotic Disorders
Interventions
bupropion SR, Cognitive Behavioral Group Therapy, nicotine replacement therapy
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 8, 2026, 9:12 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on IV Nicotine-Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effect

NCT01589081
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Intravenous Nicotine, Progesterone
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Alternative Nicotine-Delivery Products on Combustible Cigarette Use

NCT04084210
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Juul Electronic cigarette, Very Low Nicotine Cigarettes, Active Nicotine Patch, Placebo Patch
Device · Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Withdrawal and Reward Processing

NCT05041959
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence, Nicotine Withdrawal
Interventions
Smoking Abstinence, Ad Lib Smoking
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 55 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

GABA (Gamma Amino Butyric Acid) Medication for Tobacco

NCT00644137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
pregabalin, cigarettes
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 8, 2026, 9:12 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

A Smoking Intervention Study Using Scheduled Gradual Reduction With Varenicline to Help With Cessation

NCT01772641
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Scheduled Gradual Reduction + Varenicline, Scheduled Gradual Reduction + Placebo Drug, Basic Advice + Varenicline, Basic Advice + Placebo Drug
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 15, 2016 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Not applicable Interventional Results available

Babies Living Safe and Smokefree

NCT02602288
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Ask, Advise, Refer, Telebased tobacco counseling, Telebased nutrition counseling, Mobile phone smoking cessation application, Mobile phone nutrition application, Nicotine polacrilex
Behavioral · Device · Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Sep 8, 2026, 9:12 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Screening, Evaluation and Assessment (SEA) Protocol at the NIDA IRP

NCT06552741
View directory record Official record
Conditions
Substance Use Disorder, Alcohol Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2047
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 8, 2026, 9:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers

NCT01692353
View directory record Official record
Conditions
Cardiovascular Disease, Cigarette Smoking
Interventions
Subject's usual brand (UB) tobacco product
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
26 Years to 49 Years · Male only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Sep 8, 2026, 9:12 AM 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 13, 2013 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Intranasal Oxytocin on Cigarette Smoking

NCT02595749
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Smoking
Interventions
Oxytocin, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 40 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2021 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Smoking, Sex Hormones, and Pregnancy

NCT01811225
View directory record Official record
Conditions
Nicotine Dependence, Contraception
Interventions
Low-dose Progesterone, High-dose Progesterone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 8, 2026, 9:12 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Preemptive Use of the Nicotine Patch for Postoperative Pain Relief After Open Abdominal Surgery

NCT00790829
View directory record Official record
Conditions
Postoperative Pain
Interventions
transdermal nicotine patch
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Sep 8, 2026, 9:12 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Concurrent PET D2/D3 Receptor Imaging and fMRI Smoking Cue Reactivity in Smokers

NCT01784016
View directory record Official record
Conditions
Nicotine Dependence, Smoking Cue Reactivity, Relapse to Smoking
Interventions
[11C]-PHNO
Radiation
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
3
States / cities
Belmont, Massachusetts • Boston, Massachusetts • Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Not applicable Interventional Results available

Testing the Effect of ENDS Flavors on Neurotransmission

NCT05836051
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Flavor
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 8, 2026, 9:12 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Adaptive Use of Nicotine Substitution to Maintain Smoking Reduction/Abstinence in Nicotine Responders

NCT06554873
View directory record Official record
Conditions
Smoking Cessation, Harm Reduction
Interventions
Nicoderm, Nicorette 4Mg Chewing Gum, Nicorette Lozenge Product, NJOY e-cigarette, on!
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 8, 2026, 9:12 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Nicotinic Hepatic Metabolism on Neuroreceptor Substrates of Nicotine Addiction

NCT03442413
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
2-[18F]-FA PET/CT, I.V. Nicotine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 8, 2026, 9:12 AM EDT