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ClinicalTrials.gov public records Last synced Oct 6, 2026, 10:13 PM EDT

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Showing 97–115 of 115 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Nicotine (5 mg) Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Patch and Bupropion to Reduce Smoking Rates in Younger, Low-Income, and Minority Individuals

NCT00308763
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Patch, Sustained Release Bupropion
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 45 Years
Enrollment
594 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2014 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Early Phase 1 Interventional

Smoking by IV Pulsed Nicotine

NCT04488744
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine 0.2mcg/kg/s and 1.0mcg/kg/s
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Phase 4 Interventional Results available

Improving the Population-Wide Effectiveness of U.S. Tobacco Cessation Quitlines

NCT01087905
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine patch, Nicotine gum, CMAC
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
987 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Seattle, Washington • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Oct 6, 2026, 10:13 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on E-Cigarette Use Behavior

NCT06609109
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Electronic Cigarette Use
Interventions
THC High Dose, THC Low Dose, THC 0mg, E-Cigarette Full Nicotine, E-Cigarette Placebo Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Phase 4 Interventional

The Long-Term Quitting (Smoking Cessation) Study

NCT02564315
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Mini-Lozenge for 11 Months, Preparation Phase Behavioral Reduction Counseling, Preparation Phase Recycling Counseling, Preparation Phase Control Treatment, Cessation Phase Supportive Counseling, Cessation Phase Skill Training Counseling, Cessation Phase Brief Information, Cessation Phase Nicotine Patch + Nicotine Mini-Lozenge
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Novel Determinants and Measures of Smokeless Tobacco Use: Study 2

NCT01067599
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Low nicotine, Medium nicotine, High nicotine
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
2
States / cities
Minneapolis, Minnesota • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 26, 2018 · Synced Oct 6, 2026, 10:13 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Human Laboratory Study of Smokeless Tobacco Products

NCT01100216
View directory record Official record
Conditions
Smokeless Tobacco
Interventions
Nicotine Lozenge, Stonewall Dissolvable Tobacco Pieces, Camel Snus Frost, Skoal Wintergreen
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Phase 4 Interventional Results available

Evaluation of Treatments to Improve Smoking Cessation Medication Adherence

NCT01120704
View directory record Official record
Conditions
Smoking, Smoking Cessation, Adherence, Nicotine Dependence, Motivation
Interventions
Short Term Combination Nicotine Replacement Therapy (patch + gum), Long Term Combination Nicotine Replacement Therapy (patch + gum), Intensive Maintenance Counseling, Cognitive Medication Adherence Counseling (CAM), Electronic Medication Monitoring Device (the Helping Hand) + Feedback, Automated Adherence Prompting Phone Calls
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 11, 2015 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

UW Withdraw From Tobacco Study

NCT04969198
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Combination nicotine replacement therapy (Nicotine patch + nicotine mini-lozenge)
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating a Telephone-Based Smoking Cessation Program Among People in the Military (The AFIII Study)

NCT00632411
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine Patch, Tobacco Quit Line Program
Drug · Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
1,298 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
2
States / cities
Memphis, Tennessee • Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2018 · Synced Oct 6, 2026, 10:13 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

PET Imaging Using the Tracer [18F]VAT to Assess the Antidepressant Effect of Nicotine.

NCT07095205
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
Nicotine transdermal patch, PET Scan with [18F] VAT
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional

Mobile Contingency Management for Smoking Cessation in Returning US Veterans

NCT02513069
View directory record Official record
Conditions
Smoking, Veterans
Interventions
Nicotine gum, mobile contingency management, Telephone counseling, Nicotine patch, Nicotine lozenge, Smart phone, Carbon monoxide monitor
Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2020 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Phase 2 Interventional Results available

Daily Liraglutide for Nicotine Dependence

NCT03712098
View directory record Official record
Conditions
Smoking Cessation, Weight, Body
Interventions
Liraglutide, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
Rebecca Ashare
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment Outreach to Reduce Disparities for Primary Care Populations

NCT01156610
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Tobacco Treatment
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
706 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Oct 6, 2026, 10:13 PM EDT
Recruiting Phase 4 Interventional

Varenicline for Smoking Reduction in Veterans Not Ready To Quit

NCT06966362
View directory record Official record
Conditions
Veterans, Tobacco Use Disorder, Cigarette Smoking, Tobacco Dependence
Interventions
Motivation-Phase Varenicline, Motivation-Phase Nicotine Mini-Lozenge, Cessation-Phase Combination Nicotine Replacement Therapy (NRT), Cessation-Phase Varenicline, Motivation-Phase Counseling, Cessation-Phase Counseling
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
San Diego, California • Minneapolis, Minnesota • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline and Nicotine Interactions in Humans (VA)

NCT00606892
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline, Placebo, IV Nic
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Metabolism and Low Nicotine Cigarettes

NCT01898507
View directory record Official record
Conditions
Smoking
Interventions
Low nicotine cigarettes
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Medications Development for the Treatment of Cannabis Related Disorders

NCT01204723
View directory record Official record
Conditions
Nicotine Withdrawal, Marijuana Dependence, Cannabis Dependence, Nicotine Dependence, Cannabis Abuse
Interventions
Placebo Aprepitant, Active Aprepitant
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2012 · Synced Oct 6, 2026, 10:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Acute Effect of Vaping on Food Intake

NCT04219189
View directory record Official record
Conditions
Energy Intake, Food Intake, E-Cig Use, Appetite
Interventions
Vaping condition, Control condition
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Oct 6, 2026, 10:13 PM EDT