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ClinicalTrials.gov public records Last synced Oct 9, 2026, 1:34 AM EDT

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Showing 49–72 of 151 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Tobacco lozenge Clear all
Not yet recruiting Phase 4 Interventional

Evaluating an Innovative Tobacco Treatment Approach for Veterans in Substance Use Treatment

NCT07809854
View directory record Official record
Conditions
Cigarette Smoking, Veterans
Interventions
Healthy Changes Nicotine Replacement Therapy (NRT), Cessation Treatment Nicotine Replacement Therapy (NRT), Cessation Treatment Counseling, Healthy Changes Counseling
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healing and Empowering Alaskan Lives Towards Healthy-Hearts Study

NCT02137902
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Tobacco/Physical Activity Intervention, Diet plus BP/CHOL Intervention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
19 Years and older
Enrollment
299 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Nome, Alaska • Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

A Comparative Effectiveness & Long Term Health Study in Wisconsin Smokers

NCT01553084
View directory record Official record
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
Varenicline, Nicotine lozenge, Nicotine Patch
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
1,086 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Genetically Informed Smoking Cessation Trial

NCT02351167
View directory record Official record
Conditions
Smoking Cessation
Interventions
Combination NRT (Nicotine patch, Nicotine lozenge), Varenicline, Placebo, Intensive smoking counseling
Drug · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years and older
Enrollment
822 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 9, 2026, 1:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Rural Smoking Cessation

NCT06584929
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicoderm CQ nicotine patch, Nicorette Nicotine Lozenges
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
544 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Tobacco Cessation Via Public Health Dental Clinics

NCT00683839
View directory record Official record
Conditions
Smoking
Interventions
Brief tobacco counseling
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,637 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
3
States / cities
Jackson, Mississippi • New York, New York • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 26, 2011 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pilot Study to Evaluate the Safety and Efficacy of Ariva® Silver Wintergreen in Reducing Cigarette Craving in Smokers

NCT01337830
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva® Silver Wintergreen, Silver Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2014 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Comparisons of Nicotine-free Cigarettes, Extra Low Nicotine Cigarettes vs. Medicinal Nicotine

NCT00777569
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Nicotine free cigarettes, Extra-low nicotine cigarettes, Nicotine Lozenge
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

A Comparative Effectiveness RCT of Optimized Cessation Treatments

NCT02301403
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, in-person counseling and quitline counseling, Preparation Nicotine Mini-Lozenges, Combination NRT (nicotine patch + nicotine mini-lozenges), Intensive In-Person Cessation Counseling, Extended Maintenance Counseling Calls, Automated Adherence Calls
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 13, 2020 · Synced Oct 9, 2026, 1:34 AM 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 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

Stress Neuroadaptation in Tobacco Dependence

NCT03262233
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine, placebo
Combination Product · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 60 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Oct 9, 2026, 1:34 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 9, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Nicotine Lozenge to Reduce Smokeless Tobacco Use

NCT00218283
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Lozenge, Behavioral Counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 9, 2026, 1:34 AM EDT
Not yet recruiting Phase 4 Interventional

Evaluation of Dependence and Nicotine Replacement Therapy-Supported Cessation Efforts Among Regular Electronic Cigarette Use

NCT07786896
View directory record Official record
Conditions
E Cigarette Use, Cessation, Tobacco, Cessation, Nicotine
Interventions
Nicotine Replacement Therapies, Brief Behavioral Counseling
Drug · Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Greenville, North Carolina • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 9, 2026, 1:34 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Nicotine Delivery Systems: Research & Treatment

NCT00108342
View directory record Official record
Conditions
Smoking
Interventions
Nicotine gum - 2 mg and 4 mg, Nicotine lozenges - 2 mg and 4 mg, Nicotine inhaler (4 mg yield) - low and high "dosage" by frequency of puffing, Computer learning
Drug · Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
21 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2014 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Pilot Study Evaluating Nicotine Lozenges and Self Help

NCT00888459
View directory record Official record
Conditions
Smokeless Tobacco Use
Interventions
nicotine replacement therapy, placebo NRT
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Rochester, Minnesota • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

UW-CTRI Triple Medication Smoking Cessation Study

NCT02681510
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, Nicotine Transdermal Patch, Nicotine Mini
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Oct 9, 2026, 1:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Switch or Quit R01

NCT06373679
View directory record Official record
Conditions
Cigarette Smoking, Smoking Behaviors
Interventions
Switching to E-Cigarette, Switching using Medication
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 9, 2026, 1:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Comprehensive Evaluation of Tobacco-Flavored vs. Non-Tobacco Flavored E-cigarettes on Smoking Behavior

NCT06260683
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Nicotine Replacement, Questionnaire Administration, Vaping
Drug · Other · Device
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment for Employable Californians, Total IMPACT Study

NCT02478697
View directory record Official record
Conditions
Tobacco Dependence
Interventions
ProChange ExpertSystem
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
3
States / cities
Menlo Park, California • San Francisco, California • San Rafael, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Not applicable Interventional Results available

Tobacco Intervention in Primary Care Treatment Opportunities for Providers

NCT02096029
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine Replacement Therapy (NRT) Sampling, Ask, Advise, Refer (physician brief advice)
Other · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
1,278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Not applicable Interventional Results available

Smoking Cessation After Hospitalization for a Cardiopulmonary Illness

NCT01791803
View directory record Official record
Conditions
Smoking Cessation
Interventions
hypnotherapy, Nicotine
Behavioral · Drug
Lead sponsor
North Shore Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Salem, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

Smoking Cessation Medications: Efficacy, Mechanisms and Algorithms

NCT00332644
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine patch, nicotine lozenge, nicotine patch + nicotine lozenge, bupropion, bupropion + lozenge, placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 30, 2011 · Synced Oct 9, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

Smoking Cessation Intervention: Effectiveness in Primary Care

NCT00296647
View directory record Official record
Conditions
Tobacco Dependence
Interventions
nicotine patch, nicotine lozenge, bupropion, patch + lozenge, bupropion + lozenge
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 9, 2026, 1:34 AM EDT