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

Implementation Science to Reduce the Disparity in Tobacco Treatment Among Individuals With Serious Mental Illness

NCT05952401
View directory record Official record
Conditions
Smoking, Smoking Cessation, Tobacco Use Cessation
Interventions
Usual Care, "Nudges"
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional

ROSCAP: Reduction of Smoking in Cardiac Patients Study

NCT00301626
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Dependence, Cardiac Disease
Interventions
smoking reduction intervention (including NRT)
Behavioral
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 23, 2008 · Synced Jun 10, 2026, 9:13 AM EDT
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 Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determination of Liquid Flavor and Nicotine Form Outcomes

NCT05587504
View directory record Official record
Conditions
Electronic Cigarettes
Interventions
E-cigarette with sweetness type 1 and pronation level 1, E-cigarette with sweetness type 1 and pronation level 2, E-cigarette with sweetness type 2 and pronation level 1, E-cigarette with sweetness type 2 and pronation level 2
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jun 10, 2026, 9:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Nicotine on Areas of Impaired and Preserved Functioning in Schizophrenia

NCT01034085
View directory record Official record
Conditions
Nicotine Dependence, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate Changes in Smokers Using Oral Tobacco-derived Nicotine Products.

NCT03692078
View directory record Official record
Conditions
Tobacco Use
Interventions
OTDN product 1, OTDN product 2, Tobacco Cessation
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
Springfield, Missouri • Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Varenicline on Brain Activity During Nicotine Abstinence

NCT00602927
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2011 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Translational Neuropsychopharmacology Research of Nicotine Addiction

NCT02723162
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Varenicline (VRN), N-Acetylcysteine (NAC), Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Jun 10, 2026, 9:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nicotine Vapor Specific Sensory Measurement

NCT04533542
View directory record Official record
Conditions
Substance-Related Disorder
Interventions
Measurement, Questionnaire Administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Results available

A Quit Smoking Study Using Smartphones

NCT02164383
View directory record Official record
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
Nicotine patch, Cessation Counseling, Mobile Games
Drug · Behavioral · Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

A Long-Term Trial Investigating Safety and Efficacy of TransCon hGH in Children With Growth Hormone Deficiency Who Have Completed a Prior TransCon hGH Clinical Trial

NCT03344458
View directory record Official record
Conditions
Growth Hormone Deficiency, Pediatric, Endocrine System Diseases, Hormone Deficiency, Pituitary Diseases
Interventions
TransCon hGH
Drug
Lead sponsor
Ascendis Pharma A/S
Industry
Eligibility
1 Year to 18 Years
Enrollment
298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
22
States / cities
Birmingham, Alabama • Los Angeles, California • Orange, California + 18 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 4 Interventional Results available

Nicotine Patch as an Analgesic Adjuvant After Surgery

NCT00440830
View directory record Official record
Conditions
Pain
Interventions
nicotine patch, placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 60 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 20, 2021 · Synced Jun 10, 2026, 9:13 AM EDT
Recruiting Phase 4 Interventional

Nicotine Replacement Therapy, Counseling, Varenicline, and Bupropion for Smoking Cessation, the PISCES I Trial

NCT04604509
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Bupropion Hydrochloride Controlled-release, Nicotine Replacement, Questionnaire Administration, Tobacco Cessation Counseling, Varenicline
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline for the Treatment of Smokeless Tobacco

NCT00813917
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 15, 2012 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Interaction of Flavor With Nicotine Form in Adult Smokers

NCT04262817
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine form, E-cigarette experimental flavor
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Smoking Cessation and γ-Tocopherol to Restore Vascular Endothelial Function

NCT01314443
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Nicotine Replacement Therapy (NRT), Gamma-Tocopherol, Placebo, Smoking cessation
Other · Dietary Supplement · Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 60 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced Jun 10, 2026, 9:13 AM EDT
Not listed Phase 1 Interventional

Targeting Orexin to Treat Nicotine Dependence

NCT03999099
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Suvorexant 20 mg, Suvorexant 10 mg, Placebo oral tablet
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 4 Interventional Results available

Varenicline for Cognitive Deficits and Cigarette Smoking in Schizophrenia - Efficacy and Predictors

NCT00802919
View directory record Official record
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Varenicline, Placebo for varenicline
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2017 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

Telephone Counseling and the Distribution of Nicotine Patches to Smokers

NCT00851357
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patch, Telephone Counseling, Placebo, Self-Help Materials
Drug · Behavioral · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
4,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Brief Tobacco Intervention in the US Military

NCT03196102
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Smoking, Cigar, Smoking, Pipe, Smoking, Hookah, Nicotine Dependence
Interventions
BTI, Cigarette smoking military tailored pamphlet, Standard smoking cessation intervention
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
2,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Nicotine on Brain Reward Pathways

NCT02346539
View directory record Official record
Conditions
Depressive Disorder
Interventions
Nicotine polacrilex
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quit Nicotine: E-Cig Cessation Intervention

NCT04898075
View directory record Official record
Conditions
E-Cig Use
Interventions
Remote Contingency Management (CM) for nicotine abstinence, Control
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
13 Years to 20 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Jun 10, 2026, 9:13 AM EDT
Completed Phase 1 Interventional

Tobacco Cessation in Postmenopausal Women (Part II) - 2

NCT00061074
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotrol
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years to 79 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2000
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Jun 10, 2026, 9:13 AM EDT
Terminated Not applicable Interventional Results available

Accelerated rTMS for the Reduction of Nicotine Craving

NCT03352609
View directory record Official record
Conditions
Nicotine Use Disorder, Nicotine Dependence
Interventions
Active rTMS with MagVenture MagPro double blind rTMS system, Sham rTMS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Jun 10, 2026, 9:13 AM EDT