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ClinicalTrials.gov public records Last synced May 21, 2026, 11:39 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 121 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Smoking (Tobacco) Addiction Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Menthol-flavored e-cigarette, Tobacco-flavored e-cigarette
Other
Lead sponsor
Florida International University
Other
Eligibility
21 Years to 35 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced May 21, 2026, 11:39 PM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Healthy, Nicotine Addiction, Electronic Cigarette Use
Interventions
Lower nicotine e-liquid, Higher nicotine eliquid
Drug
Lead sponsor
Rochester Institute of Technology
Other
Eligibility
21 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced May 21, 2026, 11:39 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
chatbot, no chatbot
Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced May 21, 2026, 11:39 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Nicotine Use Disorder, Smoking Cessation, Smoking Cessation Intervention
Interventions
Enhanced Courage to Quit
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 26 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced May 21, 2026, 11:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use, Tobacco Use Cessation, Smoking Cessation, Nicotine Addiction, Tobacco Smoking
Interventions
ELEVATE, ELEVATE-S
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Smoking
Interventions
Mecamylamine, Nicotine Patch, Cigarette brand switching
Drug · Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2001
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Cycloserine, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 26, 2012 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Tobacco Addiction, Dual Tobacco Use
Interventions
VLNC cigarettes, Combusted Products, Non-combusted products, CN cigarettes
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking, Tobacco, Smoking (Tobacco) Addiction
Interventions
Cigarette 1, Cigarette 2, Patch 1, Patch 2
Drug
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hospitalized Smokers, Chronic Diseases, Tobacco Use Disorder
Interventions
Smoking relapse prevention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2005 · Synced May 21, 2026, 11:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Smoking Cessation Counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 14, 2013 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Bupropion, Nicotine patches, Nicotine Inhaler
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
702 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Charlotte, North Carolina • Durham, North Carolina • Raleigh, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced May 21, 2026, 11:39 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
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 18, 2021 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Smoking, Smoking Cessation, Craving, Addiction, Addiction Nicotine, Nicotine Dependence, Cigarette Smoking
Interventions
Real TBS to the vmPFC, Sham cTBS to the vmPFC
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Very low nicotine content cigarettes, Normal nicotine content cigarettes
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced May 21, 2026, 11:39 PM EDT
Not yet recruiting Phase 4 Interventional
View directory record Official record
Conditions
Nicotine Dependence, Transcranial Magnetic Stimulation, Vaping, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
varenicline, Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham, Nicotine Cessation Counseling
Drug · Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Withdrawal
Interventions
Progesterone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Addiction, Vaping
Interventions
Nicotine pod, Placebo pod
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Flavored filtered cigars, Unflavored filtered cigars
Other
Lead sponsor
UConn Health
Other
Eligibility
21 Years to 34 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced May 21, 2026, 11:39 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Low intensity focused ultrasound with active stimulations, low intensity focused ultrasound with sham stimulations
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
20 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Psychology, Social, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Growth Mindset, SmartQuit
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced May 21, 2026, 11:39 PM EDT
Enrolling by invitation No phase listed Observational
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Not listed
Lead sponsor
Rochester Institute of Technology
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced May 21, 2026, 11:39 PM EDT