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ClinicalTrials.gov public records Last synced Sep 30, 2026, 5:41 PM EDT

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Showing 25–48 of 885 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco-Related Disorders Clear all
Completed Phase 4 Interventional Results available

Treatment of Nicotine Dependence and Acute Depression

NCT00186446
View directory record Official record
Conditions
Major Depressive Disorder, Nicotine Dependence
Interventions
bupropion and smoking cessation behavioral intervention
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

THC Crossover Study

NCT04429568
View directory record Official record
Conditions
THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified, Cigarette Smoking, Tobacco Use, Nicotine Dependence, Nicotine Withdrawal, Cardiovascular Risk Factor
Interventions
Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2024 · Synced Sep 30, 2026, 5:41 PM EDT
Recruiting Not applicable Interventional

Quitting Matters Human Immunodeficiency Virus Hybrid Trial

NCT06883097
View directory record Official record
Conditions
Tobacco, Tobacco Abstinence, Smoking Cessation, Smoking Cessation; Tobacco Dependence, Human Immunodeficiency Virus (HIV), Tobacco Dependence Caused by Cigarettes, Cancer Prevention
Interventions
Learn to Quit-HIV (LTQ-H) App, QuitStart
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Sep 30, 2026, 5:41 PM EDT
Withdrawn Phase 4 Interventional

Treating Schizophrenic Smokers: Effects on Craving, Cues and Withdrawal

NCT00781755
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
varenicline, Adaptation of Motivational Interviewing
Drug · Behavioral
Lead sponsor
VA Boston Healthcare System
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Brockton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 2 Interventional

Role of Metabolites in Nicotine Dependence (3) - 6

NCT00000289
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Ondansetron
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Examination of Sleep, Smoking Cessation, and Cardiovascular Health

NCT02941718
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Sleep Advancement Counseling, General Health Information
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 30, 2019 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 3 Interventional Results available

Providing Free Nicotine Patches to Quitline Smokers

NCT01736085
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone counseling, Voucher, Nicotine patches
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Sep 30, 2026, 5:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

NeuroControl of Nicotine Dependence

NCT06347055
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Repetitive Transcranial Magnetic Stimulation (rTMS)
Device
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional Results available

Comparing Smoking Cessation Interventions Among Underserved Patients Referred for Lung Cancer Screening

NCT04798664
View directory record Official record
Conditions
Smoking Cessation
Interventions
Removal of Financial Barriers, Financial Incentives, Mobile Health Application
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
3,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Oakland, California • Detroit, Michigan • Danville, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional Results available

Testing an Organizational Change Model to Address Smoking in Mental Healthcare

NCT02849652
View directory record Official record
Conditions
Nicotine Dependence
Interventions
ATTOC Intervention, UC Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
832 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Sep 30, 2026, 5:41 PM EDT
Withdrawn Not applicable Interventional

State and Trait Mediated Response to TMS in Substance Use Disorder

NCT03707600
View directory record Official record
Conditions
Nicotine Dependence
Interventions
TMS
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 2 Interventional Results available

Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women

NCT02188459
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Bupropion
Drug
Lead sponsor
Henry Kranzler
Other
Eligibility
18 Years and older · Female only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Family-Skills Training to Prevent Tobacco and Other Substance Use in Latino Youth

NCT01442753
View directory record Official record
Conditions
Tobacco Use Disorder, Alcohol Use Disorder, Drug Use Disorder, Smoking, Alcohol Drinking, Drug Abuse
Interventions
Family-Skills Training
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional

TDCS and Cognitive Retraining to Augment Pharmacotherapy for the Treatment of Nicotine Dependence

NCT02534454
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Active Retraining, Sham Retraining, Active transcranial direct current stimulation (TDCS), Sham transcranial direct current stimulation (TDCS), Nicotine Replacement Therapy (Habitrol)
Behavioral · Device · Drug
Lead sponsor
The Mind Research Network
Other
Eligibility
18 Years to 60 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Sep 30, 2026, 5:41 PM 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 11, 2025 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Reduction In Gravid Substance Use Disorders

NCT04132232
View directory record Official record
Conditions
Tobacco Smoking in Mother Complicating Pregnancy, Tobacco Use Disorder, Tobacco Smoking
Interventions
knowledge of expired maternal carbon monoxide and fetal carboxyhemoglobin levels
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional Results available

Veteran Peer Coaches Optimizing and Advancing Cardiac Health

NCT02697422
View directory record Official record
Conditions
Cardiovascular Disease (CVD), Hypertension, Hyperlipemia, Obesity
Interventions
Community-based peer health coach intervention
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 75 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Zonisamide Augmentation of Varenicline Treatment for Smoking Cessation

NCT01685996
View directory record Official record
Conditions
Nicotine Dependence
Interventions
zonisamide, placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Not applicable Interventional

Effectiveness of an Integrated Treatment to Address Smoking Cessation and Anxiety/ Depression in People Living With HIV

NCT03904186
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Cigarette, Smoking, Anxiety, Depression, Nicotine Dependence
Interventions
QUIT, Time-Matched Control (TM)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project 3, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in People With Current Affective Disorders

NCT02232737
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content cigarettes
Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 70 Years
Enrollment
775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Providence, Rhode Island • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Sep 30, 2026, 5:41 PM EDT
Completed Phase 1 Interventional

Effects of Nicotine on Elements of Attentions in Smokers and Nonsmokers

NCT01034020
View directory record Official record
Conditions
Substance Related Disorder, Nicotine Dependence
Interventions
Nicotine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Sep 30, 2026, 5:41 PM EDT
Completed No phase listed Observational

Nicotinic Receptor Levels After Stopping Smoking

NCT01704573
View directory record Official record
Conditions
Nicotine Addiction
Interventions
2-[18F]-fluro-3-[2(S)-2-azethidinylmethoxy]-pyridine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Sep 30, 2026, 5:41 PM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy and Safety of Bupropion for Treatment of Adolescent Smoking

NCT00248118
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Bupropion
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 17 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Sep 30, 2026, 5:41 PM EDT
Enrolling by invitation Not applicable Interventional

A Patient-Oriented Research Mentoring Program in Tobacco Dependence and Implementation Science Research

NCT05852860
View directory record Official record
Conditions
HIV, Smoking, Tobacco Use, Nicotine Dependence
Interventions
Clinician Nudge, Patient Nudge
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Sep 30, 2026, 5:41 PM EDT