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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Full Nicotine Cigarettes Clear all
Completed Phase 4 Interventional Results available

Health Systems Reach Interventions Project

NCT04199117
View directory record Official record
Conditions
Smoking, Cigarette, Smoking Cessation
Interventions
Varenicline, Combination nicotine patch and nicotine mini-lozenge treatment, Monetary incentives for initiating treatment, Automated tailored outreach, Care management, Wisconsin Tobacco Quit Line referral, Primary care provider referral, Untailored outreach, Multiple smoking cessation coaching calls
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Feasibility and Acceptability of Switching to E-cigarettes Among Cigarette Smokers Engaged in SUD Treatment

NCT05918887
View directory record Official record
Conditions
Tobacco Dependence Caused by Cigarettes
Interventions
NJOY ACE commercial e-cigarette
Device
Lead sponsor
University of Nevada, Reno
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Coping Skills Treatment for Smoking Cessation

NCT01061528
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transdermal Nicotine
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Sep 10, 2026, 4:30 PM EDT
Recruiting Not applicable Interventional

Effects of a Low Nicotine Standard and Tobacco Prices on Illegal Cigarette Purchasing

NCT07161050
View directory record Official record
Conditions
Cigarette Smoking, E-cigarette Use
Interventions
Nicotine Content, Illegal cigarette price, E-cigarette price
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Reduced Nicotine Cigarette Purchasing Decisions

NCT04999644
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Full Nicotine Cigarettes, Reduced Nicotine Cigarettes, Average Nicotine Expectancy, Very Low Nicotine Expectancy
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Phase 4 Interventional Results available

Novel Pharmacotherapy Approaches in Smokers With Serious Mental Illness

NCT04011280
View directory record Official record
Conditions
Bipolar Disorder, Schizophrenia, Schizoaffective Disorder, Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Not applicable Interventional Results available

Promotion and Mitigation Factors Leading to Illegal Tobacco Purchases

NCT06001840
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Vaping
Interventions
Promotion factors, Mitigation strategies
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 10, 2026, 4:30 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Feasibility of PET/CT to Detect the Oral/Pulmonary Distribution of Nicotine Following E-cigarette Use

NCT03491059
View directory record Official record
Conditions
E-cigarette Use
Interventions
C-11 labeled nicotine, PET/CT imaging
Drug · Radiation
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Sep 10, 2026, 4:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility of Delivering VergeRx at FQHCs

NCT06161675
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
QuitAid, SmokefreeTXT, Nicotine Replacement Therapy Patch, Nicotine lozenge
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 10, 2026, 4:30 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 8, 2026 · Synced Sep 10, 2026, 4:30 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 7, 2025 · Synced Sep 10, 2026, 4:30 PM EDT
Withdrawn Phase 2 Interventional

Varenicline for the Treatment of Cannabis and Tobacco Use Disorders in Veterans

NCT05294263
View directory record Official record
Conditions
Tobacco Use Disorder, Cannabis Use Disorder
Interventions
Varenicline, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Electronic Cigarettes as a Harm Reduction Strategy Among Patients With COPD

NCT04465318
View directory record Official record
Conditions
COPD
Interventions
E-cigarette (EC), Nicotine Replacement Therapy (NRT), Smoking Harm Reduction Counseling Sessions
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 75 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Not applicable Interventional

Internet-based Group Contingency Management to Promote Smoking Abstinence

NCT01181661
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Full Group Contingency, Mixed Group Contingency
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Gainesville, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Sep 10, 2026, 4:30 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on Cigarette Use Behavior

NCT06609083
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Cigarette Smoking
Interventions
THC 30mg, THC 5mg, THC 0mg, Cigarette Full Nicotine, Cigarette Reduced 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 Jan 15, 2026 · Synced Sep 10, 2026, 4:30 PM EDT
Completed Not applicable Interventional

C-FLASH (Cigarillo Flavor and Abuse Liability, Attention, and Substitution in youtH)

NCT04358705
View directory record Official record
Conditions
Smoking Behaviors
Interventions
Aim 1: Online survey, Eye Tracking Activity, Eye tracking survey, Online Experimental Marketplace (ETM), Aim 3 survey, Cognitive Interviews, Supplemental Aim 1 Interviews
Other · Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
16 Years to 28 Years
Enrollment
658 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Sep 10, 2026, 4:30 PM EDT