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ClinicalTrials.gov public records Last synced Sep 30, 2026, 8:37 AM EDT

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Showing 25–48 of 115 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Nicotine (5 mg) Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Exenatide for Smoking Cessation and Prevention of Weight Gain

NCT05610800
View directory record Official record
Conditions
Smoking Cessation, Weight Gain
Interventions
Exenatide 2 milligram (mg) Injection, Placebo, Nicotine patch, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 30, 2026, 8:37 AM EDT
Active, not recruiting Not applicable Interventional

The Precision CAD Trial

NCT04755413
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Medical/Behavioral therapy, Standard of Care, Registry
Other
Lead sponsor
Emory University
Other
Eligibility
21 Years to 90 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
5
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Sep 30, 2026, 8:37 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 6, 2026 · Synced Sep 30, 2026, 8:37 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Withdrawn Not applicable Interventional Accepts healthy volunteers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 Sep 30, 2026, 8:37 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Random Nicotine Delivery on Smoking Cessation

NCT03674970
View directory record Official record
Conditions
Smoking Cessation, Cigarette Smoking, Smoking (Tobacco) Addiction
Interventions
Nicotine Film
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Combining Modafinil and Nicotine Replacement Therapy in Treating Nicotine Dependent Adolescents

NCT00258479
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
ModafinilNicotine Replacement Therapy, Modafinil
Drug
Lead sponsor
Catherine Martin, MD
Other
Eligibility
16 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Health Effects of SLT, Cigarette Smoking, and New Tobacco Products

NCT00469079
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine gum and lozenge, Taboka, Camel Snus
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Phase 4 Interventional Results available

Identifying Treatments to Motivate Smokers to Quit

NCT01122238
View directory record Official record
Conditions
Smoking, Smoking Cessation, Motivation, Nicotine Dependence
Interventions
Nicotine Patch, Nicotine Gum, Motivational Interviewing, Smoking Reduction, No Intervention, Nicotine Patch + Nicotine Gum
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
517 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 16, 2015 · Synced Sep 30, 2026, 8:37 AM 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 Sep 30, 2026, 8:37 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Behavioral Intervention for Low Income Depressed Smokers in Drug Treatment

NCT01372254
View directory record Official record
Conditions
Cigarette Smoking, Drug Use
Interventions
Standard Treatment, BAD-AS, Transdermal Nicotine Patch
Behavioral · Drug
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Sep 30, 2026, 8:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Nicotine Salt Aerosol on Cigarette Smokers

NCT03974152
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Subox Mini C with Avail 18 mg nicotine salt (protonated), Subox Mini C with Avail 18 mg nicotine (unprotonated), Own brand cigarette
Other
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
21 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Gradual vs. Abrupt Cessation Treatment for Smoking

NCT00297492
View directory record Official record
Conditions
Smoking Cessation
Interventions
Reduction Phone Counseling, Abrupt Phone Counseling, Minimal Abrupt Phone Counseling, Pre-Quit Nicotine Lozenges, Post-Quit Nicotine Lozenges
Behavioral · Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Sep 30, 2026, 8:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of Low and High Nicotine Tobacco Free Nicotine Pouches

NCT06678789
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence, Smoking Cessation
Interventions
High Nicotine Dose, Low Nicotine Dose
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 30, 2026, 8:37 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 Sep 30, 2026, 8:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Abuse Liability of Reduced Nicotine Content Cigarettes Within a Complex Tobacco Marketplace

NCT02951143
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
SPECTRUM cigarettes, SPECTRUM cigarettes between
Drug
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 65 Years
Enrollment
305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Sep 30, 2026, 8:37 AM 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 Sep 30, 2026, 8:37 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Switching to Very Low Nicotine Content Cigarettes vs Reducing Cigarettes Per Day

NCT03060083
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content (VLNC) cigarettes and nicotine replacement therapy (NRT), Reduce cigarettes per day (CPD) with nicotine replacement therapy (NRT)
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Psilocybin-facilitated Smoking Cessation Treatment: A Pilot Study

NCT01943994
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Psilocybin-assisted treatment, Nicotine Replacement Therapy (NRT)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Trial of Internet Access to Nicotine Patches

NCT00534404
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Nicotine patches, Telephone counseling, iQuit Smoking website
Drug · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
2,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 3, 2015 · Synced Sep 30, 2026, 8:37 AM 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 Sep 30, 2026, 8:37 AM EDT
Completed Not applicable Interventional Results available

iQuit Mindfully: Text Messaging for Smoking Cessation

NCT03029819
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mindfulness-based Addiction Treatment, iQuit Mindfully, Self-Help guide, Nicotine Patch
Behavioral · Drug
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 30, 2026, 8:37 AM 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 Sep 30, 2026, 8:37 AM EDT
Completed Phase 2 Interventional

Study to Investigate the Efficacy and Tolerability of AZD1446 in Adult ADHD Patients.

NCT01012375
View directory record Official record
Conditions
Adult ADHD
Interventions
AZD1446, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
6
States / cities
Los Alamitos, California • Fort Myers, Florida • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2011 · Synced Sep 30, 2026, 8:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Electronic Cigarette Liquid Characteristics in Smokers.

NCT03861078
View directory record Official record
Conditions
Electronic Cigarettes
Interventions
Own Brand Cigarette, ECIG 15 mg nicotine, sweetened, ECIG 15 mg nicotine, unsweet, ECIG 0 mg nicotine, sweetened, ECIG 0 mg nicotine, unsweet
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Sep 30, 2026, 8:37 AM EDT