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ClinicalTrials.gov public records Last synced Sep 16, 2026, 10:46 AM EDT

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Showing 1–24 of 883 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tobacco-Related Disorders Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Smoking-cessation: A Spanish-Language Clinical Trial

NCT02611076
View directory record Official record
Conditions
Smoking Cessation, Tobacco Dependence
Interventions
Stop Smoking for Good Intervention in Spanish (SS-SP), Usual care (UC)
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Intermittent or Continuous Acetylsalicylic Acid and Gene Expression in the Nasal Tissue of Current Smokers

NCT02123849
View directory record Official record
Conditions
Lung Carcinoma, Tobacco Use Disorder
Interventions
Aspirin, Laboratory Biomarker Analysis, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
Tucson, Arizona • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Sep 16, 2026, 10:46 AM EDT
Terminated Phase 2 Interventional Results available

Reducing Tobacco-associated Lung Cancer Risk: A Randomized Clinical Trial of AB-free Kava

NCT05081882
View directory record Official record
Conditions
Smoking
Interventions
Kava, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 16, 2026, 10:46 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-Cigarette Perception

NCT07398976
View directory record Official record
Conditions
Nicotine Dependence, E-cigarette Use
Interventions
Nicotine Level 1 (0mg/ml), Nicotine Level 2 (36mg/ml), Nicotine Level 3 (59mg/ml)
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 2 Interventional Results available

Treatment of Smoking Among Individuals With PTSD

NCT00937235
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence, Post-traumatic Stress Disorder, Tobacco Use Disorder
Interventions
Varenicline, Medication Management Counseling, Prolonged Exposure
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 16, 2026, 10:46 AM EDT
Recruiting Phase 2 Interventional

The CONQUER Trial - Cessation Of Nicotine, QUitting With E-cigarette Reduction

NCT07322432
View directory record Official record
Conditions
Addiction Nicotine
Interventions
VapeAway filter system
Device
Lead sponsor
VapeAway
Industry
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 2, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Opioid Abusers

NCT02250664
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 70 Years
Enrollment
775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electronic Cigarettes (E-cigarettes) as a Harm Reduction Strategy

NCT02628964
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
e-cigarettes
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nicotine Vaccination and Nicotinic Receptor Occupancy

NCT00996034
View directory record Official record
Conditions
Nicotine Dependence
Interventions
NicVAX, [123I]5-IA-85380, Nicotine bitartrate
Biological · Radiation · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Sep 16, 2026, 10:46 AM EDT
Recruiting Not applicable Interventional

Reach Through Equitable Implementation in Utah

NCT06881069
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use, Tobacco Smoking, Tobacco Chewing, Tobacco Dependence
Interventions
Clinic Level: AAC - SDOH, AAC - Tobacco, Non-Bundled, Bundled, Dose 1, Dose 3, Dose 6, Dose 9, Dose 12, RPN, PPN
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
1,560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 4 Interventional

Varenicline Treatment in Alcohol and Nicotine Dependent Patients With Schizophrenia

NCT00727103
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Alcohol Dependence, Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 69 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Not applicable Interventional Results available

Babies Living Safe and Smokefree

NCT02602288
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Ask, Advise, Refer, Telebased tobacco counseling, Telebased nutrition counseling, Mobile phone smoking cessation application, Mobile phone nutrition application, Nicotine polacrilex
Behavioral · Device · Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 3 Interventional Results available

Concurrent Bupropion / Varenicline for Smoking Cessation

NCT01303861
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 Sep 16, 2026, 10:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Psilocybin-facilitated Smoking Cessation Treatment: A Pilot Study

NCT01943994
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Psilocybin-assisted treatment, Nicotine Replacement Therapy (NRT)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 16, 2026, 10:46 AM EDT
Completed No phase listed Observational

Electronic Cigarette Use During Pregnancy

NCT03480373
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Not listed
Lead sponsor
UConn Health
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
182 participants
Timeline
2018 – 2023
U.S. locations
6
States / cities
Denver, Colorado • Farmington, Connecticut • Hartford, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 2 Interventional

Very Low-Nicotine Cigarettes in Smokers With SUD

NCT01989507
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, behavioral counseling for smoking cessation
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Sep 16, 2026, 10:46 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Journey of Transformation Curriculum for Native American Adolescents

NCT05274217
View directory record Official record
Conditions
Alcohol Use, Tobacco Use, Substance Use, Sexual Health
Interventions
Journey of Transformation-Native Youth Health Leadership Program curriculum
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
13 Years to 16 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study of Tolcapone in Smokers

NCT01202955
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tolcapone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 16, 2026, 10:46 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Smoking Cues on Tobacco Craving Responses and the Reinforcing Efficacy of Cigarettes in Adolescent Smokers

NCT01148355
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer-Facilitated 5A's for Smoking Cessation in Primary Care

NCT02046408
View directory record Official record
Conditions
Nicotine Addiction, Smoking Cessation
Interventions
Computer Tablet
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
961 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 6, 2017 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Not applicable Interventional

Interactive Mobile Doctor (iMD) to Promote Tobacco Cessation Among Cancer Patients

NCT05021185
View directory record Official record
Conditions
Tobacco Dependence, Tobacco Use Cessation, Cancer
Interventions
Interactive Mobile Doctor (iMD)
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Sep 16, 2026, 10:46 AM EDT
Not yet recruiting Not applicable Interventional

Smoking Cessation Intervention for Young Adults Using MTM: A Randomized Controlled Trial

NCT07104006
View directory record Official record
Conditions
Tobacco Use Disorder/Cigarette Smoking
Interventions
Multi-Theory Model (MTM)-Based Smoking Cessation Program
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 29 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 16, 2026, 10:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety and Efficacy of Dietary Supplement Anatabloc in Reducing Daily Smokers' Urge to Smoke

NCT01428310
View directory record Official record
Conditions
Tobacco Use Disorder, Tobacco Dependence, Smoking
Interventions
Anatabloc(TM), CigRx(R)
Dietary Supplement
Lead sponsor
Rock Creek Pharmaceuticals, Inc.
Industry
Eligibility
23 Years to 72 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Sep 16, 2026, 10:46 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Survey on Consumer Use of Over-the-Counter (OTC) Nicotine Patches

NCT00134927
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 16, 2026, 10:46 AM EDT