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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Cigarette 2 Clear all
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 21, 2026, 11:22 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Randomized Controlled Trial Methods for Novel Tobacco Products Evaluation

NCT02342795
View directory record Official record
Conditions
Nontherapeutic
Interventions
e-cigarette, cigarette substitute
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 65 Years
Enrollment
520 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Hershey, Pennsylvania • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional

Enhanced Smoking Cessation Intervention for Smokers Exposed to the World Trade Center (WTC) Disaster

NCT02538601
View directory record Official record
Conditions
Cigarette Smoking, Post Traumatic Stress Disorder, Signs and Symptoms, Respiratory
Interventions
CBT-A, CBT-S
Behavioral
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 1, 2015 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Responses to E-cigarette Message Source and Presentation

NCT06274723
View directory record Official record
Conditions
Vaping
Interventions
Expert, one-sided, Expert, two-sided, Peer, one-sided, Peer, two-sided
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 24 Years
Enrollment
848 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Efficacy of Ariva® Silver Wintergreen, a Smoking Aversive Lozenge

NCT01336816
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Placebo Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Sep 21, 2026, 11:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Manipulating E-Cigarette Nicotine to Promote Public Health

NCT06448351
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Carbon Monoxide Measurement, Vaping session, Survey Administration
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 65 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional

Examining Outcome Expectancies and Behavioral Reinforcers Among Young Adult Smokers

NCT04383782
View directory record Official record
Conditions
Smoking Cessation
Interventions
Expectancy Challenge, Expectancy Challenge + Behavioral Activation, Control
Behavioral
Lead sponsor
American University
Other
Eligibility
18 Years to 35 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional

Effects of Cigar Flavors on Measures of Abuse Liability Among Young Adults

NCT02937051
View directory record Official record
Conditions
Tobacco Products
Interventions
Tobacco product administration and assessment
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short-Term Cardiovascular Effects of E-Cigarettes: Influence of Device Power

NCT03839745
View directory record Official record
Conditions
Cardiovascular Risk Factor, Nicotine Dependence
Interventions
Electronic Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smoking and Ventricular Repolarization

NCT03916341
View directory record Official record
Conditions
Sudden Cardiac Death, Prolonged QTc Interval
Interventions
EC with nicotine, EC without nicotine, control, TC with nicotine (own brand), research TC with very low level nicotine
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Sep 21, 2026, 11:22 AM 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 21, 2026, 11:22 AM EDT
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 13, 2026 · Synced Sep 21, 2026, 11:22 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

A Virtual Reality Vaping Prevention Intervention for Adolescents

NCT07362069
View directory record Official record
Conditions
Vaping
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
12 Years to 15 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
New Haven, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Expanding the Click City Tobacco Prevention Program to Include E-cigarettes and Other Novel Tobacco Products

NCT03682900
View directory record Official record
Conditions
Tobacco Use
Interventions
Click City®: Tobacco, Usual Tobacco Curriculum
Other
Lead sponsor
Oregon Research Behavioral Intervention Strategies, Inc.
Industry
Eligibility
9 Years to 12 Years
Enrollment
2,673 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Sep 21, 2026, 11:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Abuse Liability of IQOS Heated Tobacco Products Among Adults Who Smoke

NCT07688304
View directory record Official record
Conditions
Tobacco
Interventions
Smoking Behavioral Research (IQOS), Smoking Behavioral Research (UBC)
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional

Project HEALS (Helping and Empowering pAtients for Living a Life Smoke-free

NCT05362318
View directory record Official record
Conditions
Smoking, Tobacco Use, Lung Cancer
Interventions
Nicotine patch and lozenges, Telephone counseling sessions, Access to a web-based video, Florida Tobacco Quitline
Drug · Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 21, 2026, 11:22 AM EDT
Withdrawn Phase 1 Interventional

Stage Ib Trial of mSMART With Varenicline

NCT03069768
View directory record Official record
Conditions
Nicotine Dependence
Interventions
mSMART, Chantix
Device · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 21, 2026, 11:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Physiological Responses in Tobacco Chippers

NCT01237834
View directory record Official record
Conditions
Smoking, Stress
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
25 Years to 55 Years
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 29, 2014 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate Nicotine Uptake and Biomarkers in Adult Smokers Using mybluTM Electronic Cigarettes

NCT04429932
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Myblu flavor A_2.4, Myblu flavor B_2.4, Myblu flavor C_2.4, Myblu flavor D_2.4, Myblu flavor E_1.2, Myblu flavor F_1.2, Myblu flavor G_2.4, Myblu flavor H_2.4
Other
Lead sponsor
Fontem US LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 6, 2021 · Synced Sep 21, 2026, 11:22 AM EDT
Completed No phase listed Observational Results available

Cognition and Smoking Relapse (HCS)

NCT03169101
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, Behavioral counseling
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2024 · Synced Sep 21, 2026, 11:22 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Health Literacy and Smoking Cessation in Low-SES Diverse Smokers - Project HALT II

NCT02942212
View directory record Official record
Conditions
Smoking Cessation
Interventions
Questionnaire, In-Depth Interviews, Breath Test, Nicotine Patches, Advice plus Phone Counseling, Advice plus Counseling Sessions, Self Assessment Questionnaires
Behavioral · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 21, 2026, 11:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Tobacco and Socioeconomic Disadvantage

NCT03620708
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Motivational Interviewing, Nicotine Replacement Therapy Sampling, Referral Only
Behavioral · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 21, 2026, 11:22 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 Oct 31, 2019 · Synced Sep 21, 2026, 11:22 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Multiple Cigarette Induced Changes in Hormone Function, Mood States and Behavior

NCT01636310
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Sep 21, 2026, 11:22 AM EDT