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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: nicotine polacrilex Clear all
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Reward Sensitivity and Pharmacotherapy for Smoking Cessation

NCT02162849
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Varenicline, Nicotine Patch, Placebo Patch, Placebo Tablet, Questionnaires, Counseling Sessions, Lab Session, Saliva Test
Drug · Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

Patch Study - Intervention for HIV Positive Smokers

NCT02982772
View directory record Official record
Conditions
Smoking Cessation, HIV
Interventions
Combination Therapy, Standard Care Intervention
Other
Lead sponsor
dr. maria miguez
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 28, 2026, 7:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cue Induced Imaging in Nicotine Dependent Smokers

NCT00844701
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 31, 2012 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

End Nicotine Dependence Clinic

NCT03290430
View directory record Official record
Conditions
Smoking Cessation
Interventions
Group Counseling, Individual Counseling, Phone Counseling, Video Counseling, Texting support, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 28, 2026, 7:32 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 17, 2018 · Synced Sep 28, 2026, 7:32 PM EDT
Completed No phase listed Observational

fMRI Study of Nicotinic Effect on Neurophysiology of Schizophrenia

NCT01046526
View directory record Official record
Conditions
Schizophrenia, Psychopathology, Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Not applicable Interventional

Computer-Assisted Scheduling of Nicotine Inhaler Use in Participants Who Plan to Stop Smoking

NCT00021138
View directory record Official record
Conditions
Esophageal Cancer, Head and Neck Cancer, Lung Cancer
Interventions
smoking cessation intervention, nicotine
Behavioral · Drug
Lead sponsor
Personal Improvement Computer Systems
Other
Eligibility
18 Years to 67 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Reston, Virginia
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced Sep 28, 2026, 7:32 PM 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 Sep 28, 2026, 7:32 PM EDT
Completed No phase listed Observational

Physiological, Cognitive and Cerebral Activity Changes as a Function of Cigarette Smoking (With or Without Nicotine) and Tobacco Abstinence

NCT01034384
View directory record Official record
Conditions
Smoking Cessation
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Memory Reconsolidation Blockade as a Novel Intervention for Nicotine Dependence

NCT00916721
View directory record Official record
Conditions
Smoking Cessation
Interventions
Propranolol, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 1, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Childbearing Age Women

NCT02250534
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
775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 28, 2026, 7:32 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Cardiovascular Effects of Very Low Nicotine Content Cigarettes

NCT05707871
View directory record Official record
Conditions
Tobacco Use
Interventions
SPECTRUM cigarettes, usual brand of Cigarettes
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 28, 2026, 7:32 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Noncombustible Nicotine Delivery Systems as Potential Harm Reduction Tools for Persistent Cigarette Smokers

NCT06372899
View directory record Official record
Conditions
E-cigarette Use, Cigarette Smoking, Harm Reduction, Tobacco Use
Interventions
E-cigarettes, Oral nicotine pouches
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 28, 2026, 7:32 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

fMRI of Stress in Smoking Behavior

NCT01719471
View directory record Official record
Conditions
Smoking
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 14, 2014 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Phase 2 Interventional Results available

A Study of Cytisinicline for Vaping Cessation in Adult Smokers

NCT05431387
View directory record Official record
Conditions
Vaping, E-Cig Use
Interventions
cytisinicline, Placebo, Behavioral support
Drug · Behavioral
Lead sponsor
Achieve Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Lexington, Kentucky • Boston, Massachusetts • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Informing Tobacco Treatment Guidelines for African American Non-Daily Smokers

NCT02244918
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Effectiveness of Pharmacists in Implementing the SCRIPT Protocol

NCT02433860
View directory record Official record
Conditions
Pregnancy
Interventions
pharmacist nicotine cessation counseling using SCRIPT protocol
Behavioral
Lead sponsor
Providence Medical Research Center
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 28, 2026, 7:32 PM EDT
Recruiting Phase 4 Interventional

The Options 2 Study

NCT06595459
View directory record Official record
Conditions
Smoker, Smoking Cessation
Interventions
Nicotine Pouches, Mini Nicotine lozenges
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Phase 2 Interventional

Effects of Labetalol on Nicotine Administration in Humans - 14

NCT00000297
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Labetalol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 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 11, 2017 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Early Phase 1 Interventional Results available

Nicotine Delivery Rate and Its Abuse Potential: Impact of Menthol

NCT03580525
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine saline infusion 0.00mcg/kg/s, Nicotine infusion 0.24mcg/kg/s, Nicotine infusion 0.096mcg/kg/s, Nicotine infusion 0.048 mcg/kg/s, Nicotine infusion 0.024mcg/kg/s
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 11, 2024 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quit Smoking With Nicotine Patch and Exercise/Health Education (Females Only)

NCT01522274
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Moderate intensity exercise, Health education
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

United States Pre-Market Tobacco Application Pharmacokinetics

NCT03719391
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Dependence, Cigarettes, Tobacco Use, Tobacco Smoking
Interventions
Virginia Tobacco flavored JUUL 5% ENDS, Cool Mint flavored JUUL 5% ENDS, Mango flavored JUUL 5% ENDS, Creme Brulee flavored JUUL 5% ENDS, VUSE Solo e-cigarette, Nicorette White Ice Mint 4mg nicotine polacrilex gum, Usual Brand combustible cigarette
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Phase 1 Interventional

Smoking Cessation for Depression and Anxiety Treatment

NCT02002858
View directory record Official record
Conditions
Smoking, Anxiety Disorders, Depression Disorders
Interventions
Nicotine Patch, Depression and Anxiety Smoking Cessation Treatment, Educational-Support Psychotherapy
Drug · Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Sep 28, 2026, 7:32 PM EDT
Completed Not applicable Interventional

Durham Housing Authority (DHA) Community Health Advisor (CHA) Smoking Cessation Project

NCT04114526
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Sep 28, 2026, 7:32 PM EDT