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ClinicalTrials.gov public records Last synced Oct 10, 2026, 2:37 AM EDT

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Showing 25–48 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Nicotine Polacrilex Gum (2 mg) Clear all
Completed Phase 4 Interventional Results available

BREATHE 2 Clinic Stop-Smoking Treatment Outreach Study

NCT05683821
View directory record Official record
Conditions
Quitting Smoking, Smoking Cessation, Smoking, Cigarette
Interventions
Text message smoking treatment, Nicotine replacement therapy sampling, Wisconsin Tobacco QuitLine Referral, Referral to Primary Care Provider, BREATHE 2 Cessation Study, Additional modalities to learn about and request treatment
Behavioral · Drug · Combination Product
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
12,376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Results available

Treating Low-Income Smokers in the Hospital Emergency Department

NCT01328431
View directory record Official record
Conditions
Tobacco Use Cessation, Smoking Cessation, Smoking, Tobacco Use Disorder
Interventions
Brief Intervention with NRT Initiation
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 4, 2014 · Synced Oct 10, 2026, 2:37 AM 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 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiovascular Assessment of the Effects of Tobacco and Nicotine Delivery Products

NCT01964807
View directory record Official record
Conditions
Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Interventions
Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 27, 2021 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Smoking Relapse Prevention in Schizophrenia

NCT00320697
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Smokers
Interventions
bupropion + nicotine patch + nicotine gum or lozenges, Placebo pill + placebo patch
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Electronic Cigarettes vs Combustible Cigarettes and Nicotine Gum

NCT02269514
View directory record Official record
Conditions
Smoking
Interventions
Own Brand Cigarette, Electronic Cigarette #1, Electronic Cigarette #2, Electronic Cigarette #3, Leading U.S. Nicotine Gum
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 4, 2018 · Synced Oct 10, 2026, 2:37 AM EDT
Active, not recruiting Phase 4 Interventional

Smoking Cessation Program in the Construction Sector

NCT06098144
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Cessation, Tobacco Smoking
Interventions
Nicorette, Tobacco Quit-line, Brief Behavioral Counseling, Intensive Behavioral Counseling
Drug · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Phase 4 Interventional Results available

Mobile Health Technology to Enhance Abstinence in Smokers With Schizophrenia

NCT02420015
View directory record Official record
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Nicotine replacement therapy, Bupropion, cognitive-behavioral smoking cessation counseling, Mobile Contingency Management, Stay Quit Coach, SMS text messaging
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assess Biomarkers of Tobacco Exposure and Nicotine Pharmacokinetics in Smokers After a 5-Day In-Clinic Confinement Switch to an Electronic Cigarette or Nicotine Gum

NCT02323438
View directory record Official record
Conditions
Smoking
Interventions
Usual Brand Cigarette, Electronic Cigarette #1, Electronic Cigarette #2, Leading U.S. Nicotine Gum
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 10, 2026, 2:37 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 Oct 10, 2026, 2:37 AM 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 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Menthol Electronic Cigarettes vs Combustible Menthol Cigarettes and Nicotine Gum

NCT02664012
View directory record Official record
Conditions
Smoking
Interventions
Own Brand Menthol Cigarette, Electronic Menthol Cigarette #1, Electronic Menthol Cigarette #2, Electronic Menthol Cigarette #3, Leading U.S. Nicotine Gum
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 4, 2018 · Synced Oct 10, 2026, 2:37 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Inpatient Smoking Cessation Pilot Program

NCT05060965
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Nicotine lozenge, Nicotine gum, Nicotine patch, Maryland Quitline, John Hopkins Tobacco Treatment Clinic
Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Oct 10, 2026, 2:37 AM EDT
Not yet recruiting Not applicable Interventional

Quit-Smoking Study for Native Hawaiians

NCT07075575
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Nicotine Polacrilex Gum (2 mg), Cognitive Behavioral Group Therapy (CBGT)
Drug · Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional

Use of Technological Advances to Prevent Smoking Relapse Among Smokers With PTSD

NCT01990079
View directory record Official record
Conditions
PTSD, Smoking
Interventions
Bupropion, nicotine replacement therapy, Smoking cessation counseling, mobile contingency management, Stay Quit Coach
Drug · Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 10, 2026, 2:37 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Testing Pharmacological Therapies for Pregnant Smokers

NCT00224419
View directory record Official record
Conditions
Smoking, Pregnancy
Interventions
Motivational interviewing for smoking cessation, Cognitive behaviors therapy, CBT + NRT
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
2
States / cities
Durham, North Carolina • Fayetteville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Maintenance Treatment for Abstinent Smokers

NCT00063323
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 75 Years
Enrollment
589 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 10, 2026, 2:37 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 Oct 10, 2026, 2:37 AM EDT
Completed Phase 4 Interventional Results available

Mobile Contingency Management for Concurrent Abstinence From Alcohol and Smoking

NCT02995915
View directory record Official record
Conditions
Smoking Cessation, Alcohol Drinking
Interventions
Nicotine Replacement Therapy, Bupropion, Cognitive Behavioral Treatment, Mobile Contingency Management, Mobile Monitoring
Other · Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Results available

Pharmacokinetic and Subjective Effects of Heated Tobacco Products

NCT06356610
View directory record Official record
Conditions
Tobacco Use
Interventions
Product A, Product B, Product C, Product D, Product E, Product F
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
3
States / cities
Lexington, Kentucky • Springfield, Missouri • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 10, 2026, 2:37 AM EDT
Completed Phase 4 Interventional Results available

Identifying Optimal Smoking Cessation Intervention Components (Cessation)

NCT01116986
View directory record Official record
Conditions
Smoking, Smoking Cessation, Nicotine Dependence
Interventions
Counseling before quit attempt, Minimal In-person counseling during quit attempt, Intensive in-person counseling during the quit attempt, Minimal phone counseling during the quit attempt, Intensive phone counseling during the quit attempt, Long Term Nicotine Patch+ Nicotine Gum During Quit Attempt, Short Term Nicotine Patch + Nicotine Gum during the quit attempt, Pre-Quit Nicotine Gum, Pre-Quit Nicotine Patch, Pre-Quit Nicotine Patch + Pre-Quit Nicotine Gum
Behavioral · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
637 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 10, 2026, 2:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Sexual and Gender Minority Cigarette Smokers Into Social Media-based Treatment

NCT04461288
View directory record Official record
Conditions
Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Social media-based education, counseling, and support, Nicotine replacement therapies (NRT), Gamification
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 10, 2026, 2:37 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 Oct 10, 2026, 2:37 AM EDT
Not yet recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

A Stepped Care Approach to Treating Tobacco Use in Rural Veterans

NCT04501016
View directory record Official record
Conditions
Tobacco Cessation
Interventions
Tailored behavioral counseling, Tobacco cessation pharmacotherapy
Behavioral · Drug
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 10, 2026, 2:37 AM EDT