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ClinicalTrials.gov public records Last synced Oct 20, 2026, 10:14 PM EDT

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Showing 73–96 of 1,797 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Dronabinol (Oral THC) on Cannabis Use

NCT01394185
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Dronabinol 120mg/day, Placebo, Dronabinol 240mg/day
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of the Nicotine Patch in Suppressing Nicotine Withdrawal Symptoms in Women Versus Men - 1

NCT00218140
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
nicotine transdermal system
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2005
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Responses to Regulated E-Cigarette Advertisements

NCT05207033
View directory record Official record
Conditions
Tobacco Use
Interventions
Regulated ad condition, Unregulated ad condition
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 26 Years
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Switching From Usual Brand Cigarettes to a Tobacco-heating Cigarette or Snus

NCT02061917
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Tobacco-Heating Cigarette, Snus (Smokeless Tobacco), Tobacco-Burning Cigarette
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
28 Years to 55 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
5
States / cities
Daytona Beach, Florida • Boise, Idaho • Portland, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 20, 2026, 10:14 PM 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 15, 2019 · Synced Oct 20, 2026, 10:14 PM EDT
Terminated Phase 1Phase 2 Interventional

Study of EMB-001 as a Potential Smoking Cessation Treatment

NCT04933916
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
EMB-001
Drug
Lead sponsor
Embera NeuroTherapeutics, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Miami Lakes, Florida • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2023 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Computers to Assist in Parental Smoking Cessation in a Pediatric Setting

NCT01334216
View directory record Official record
Conditions
Cigarette Smoking
Interventions
CHICA Smoking Cessation Module, CHICA Placebo
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
362 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sugars in Cigarettes

NCT05308316
View directory record Official record
Conditions
Tobacco Use
Interventions
Cigarettes with added sucrose
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 20, 2026, 10:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Learning Study for a Mobile Smoking Cessation Program

NCT04857515
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking Reduction, Smoking, Cigarette, Smoking, Nicotine Dependence
Interventions
Clickotine®
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Tobacco Related Health Disparities

NCT00984724
View directory record Official record
Conditions
Smoking Cessation, Smoking
Interventions
Standard Treatment (ST), Telephone Counseling, Quitline, Nicotine Replacement Therapy (NRT)
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
639 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Faith Based Pilot Intervention to Reduce Tobacco Use Among Somali Males

NCT03379142
View directory record Official record
Conditions
Tobacco Use, Faith-Based, Community-engaged, Text Messaging
Interventions
Faith-Based messages
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 79 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 4, 2020 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Phase 2 Interventional Results available

18F-FSPG PET/CT in Imaging Patients With Newly Diagnosed Lung Cancer or Indeterminate Pulmonary Nodules

NCT02448225
View directory record Official record
Conditions
Lung Carcinoma, Solitary Pulmonary Nodule, Cigarette Smoking Behavior
Interventions
Computed Tomography, fluorodeoxyglucose F-18, Fluorine F 18 L-glutamate Derivative BAY94-9392, Laboratory Biomarker Analysis, Positron Emission Tomography, Positron Emission Tomography (PET)
Procedure · Radiation · Drug + 1 more
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
40 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 19, 2022 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Results available

Adapt2Quit - An Adaptive Motivational System for Socio-Economically Disadvantaged Smokers

NCT04720625
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Adapt2Quit, Control
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 99 Years
Enrollment
757 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Baltimore, Maryland • Springfield, Massachusetts • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 20, 2026, 10:14 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

ACT Lung Health Intervention: Phase Two

NCT06945120
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking, Tobacco, Smoking, Cigarette, Smoking (Tobacco) Addiction
Interventions
ACT Lung Health Intervention
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 100 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Results available

AAT + tDCS to Reduce Cue-induced Craving and Smoking Behavior

NCT05426460
View directory record Official record
Conditions
Smoking Behaviors, Smoking, Cigarette
Interventions
Approach/Avoidance Task, Transcranial Direct Current Stimulation, AC, Sham tDCS
Behavioral · Device
Lead sponsor
Cynthia Conklin
Other
Eligibility
26 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 20, 2026, 10:14 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

A RCT to Determine the Effect of ENDS Flavor Availability on Abstinence Within Smokers

NCT07172438
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
P2611222, P2615022, P2615122, P2613422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
668 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
27
States / cities
Chandler, Arizona • Fort Smith, Arkansas • Altamonte Springs, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Results available

Correcting Public Misperceptions About Very Low Nicotine Content Cigarettes

NCT04974489
View directory record Official record
Conditions
Tobacco Use, Cigarette Use
Interventions
Emotion-based messages about the harm of VLNC, Continued-harm-framed messages about the harm of VLNC, Myth-refuting messages about the harm of VLNC, Control messages about littering
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of Cigarillo Warnings on Purchasing

NCT05434013
View directory record Official record
Conditions
Cigar Smoking
Interventions
Cigarillo warnings-Surgeon General Text-Only, Cigarillo warnings-FDA proposed text-only, Cigarillo warnings-Pictorial
Behavioral
Lead sponsor
Boston University
Other
Eligibility
21 Years to 35 Years
Enrollment
1,578 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 2, 2023 · Synced Oct 20, 2026, 10:14 PM EDT
Completed No phase listed Observational

Tobacco Assessment and Intervention With Low-Income Persons Living With HIV-AIDS (PLWHA) in Community-Based AIDS Service Organizations

NCT01482923
View directory record Official record
Conditions
Tobacco Cessation, HIV, AIDS
Interventions
Treatment as usual, AIR (Aspirations, Inspiration, Respiration)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional

Quit IT: Preliminary Testing of a Web-based, 3D Coping Skills Game to Increase Quitting Self-Efficacy for Maintaining Smoking Abstinence Following Hospitalization

NCT02099097
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
web-based video game (Quit IT), Questionnaires, Salvia sample
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Oct 20, 2026, 10:14 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Journey of Transformation Curriculum for Native American Youth

NCT05731713
View directory record Official record
Conditions
Alcohol Drinking, Tobacco Use, Substance Use, Sexual Behavior
Interventions
Journey of Transformation-Native Youth Health Leadership Program curriculum
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
13 Years to 16 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pictorial Warning Labels & Memory for Relative & Absolute Cigarette Health-risk Information Over Time in Adult Smokers

NCT03499340
View directory record Official record
Conditions
Smoking Cessation, Smoking, Cigarette
Interventions
text-only PWL, low arousal graphic PWL, high arousal graphic PWL, absolute risk, relative risk
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
19 Years to 64 Years
Enrollment
3,213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Dependence Treatment Education for Dental Students

NCT01522924
View directory record Official record
Conditions
Smoking
Interventions
Counseling practice sessions
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Oct 20, 2026, 10:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nicotine Pharmacokinetics From Research Electronic Nicotine Delivery System S-TA-U001 in Smokers and E-Cigarette Users

NCT02792426
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Research ENDS S-TA-U001, Nicorette Inhalator
Drug
Lead sponsor
NJOY, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Oct 20, 2026, 10:14 PM EDT