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Showing 1–24 of 357 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tobacco Use Treatment Clear all
Completed Phase 3 Interventional

Smoking Cessation in Substance Abuse Treatment Patients: A Feasibility Study

NCT00408265
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Contingency Management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 20, 2011 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intervention Study to Increase Smoking Cessation Rates Among Public Housing Residents

NCT01651611
View directory record Official record
Conditions
Tobacco Cessation
Interventions
Motivational interviewing, Smoking cessation counseling, Navigation to smoking cessation resources, Social support
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years to 79 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 28, 2016 · Synced Jul 23, 2026, 7:43 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Use of a Smartphone Mobile Application (App) to Enhance Smoking Cessation Treatment

NCT03519451
View directory record Official record
Conditions
Depression, Tobacco Use Disorder, Current Every Day Smoker
Interventions
Internet-Based Intervention, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Recruitment Messages for Current Smokers Recently Diagnosed With Cancer

NCT05471284
View directory record Official record
Conditions
Tobacco Smoking, Health Behavior
Interventions
Proximal, Distal, Cost, Benefit, Loss, Gain, Control
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

eCEASE to Support Treatment for Parental Tobacco Use

NCT04974736
View directory record Official record
Conditions
Tobacco Smoking, Second Hand Tobacco Smoke, Smoking Cessation
Interventions
iEHR + Navigator
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
817 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving the Delivery of Smoking Cessation Guidelines in Hospitalized Veterans

NCT00816036
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Smoking Cessation Guideline Implementation
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
4
States / cities
Denver, Colorado • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Jul 23, 2026, 7:43 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 8, 2026 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 3 Interventional Results available

Smoking-Cessation and Stimulant Treatment (S-CAST)

NCT01077024
View directory record Official record
Conditions
Cocaine Dependence, Methamphetamine Dependence, Nicotine Dependence
Interventions
Smoking-cessation treatment
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
538 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
12
States / cities
Tucson, Arizona • Rancho Cucamonga, California • Tarzana, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 3 Interventional Results available

Smoking Cessation With the Nicotine Patch: A Pilot Study of Patch Messaging

NCT01287377
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone Counseling, Nicotine Patches
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Jul 23, 2026, 7:43 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 8, 2024 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

LGBT Internet Based Smoking Treatment - 1

NCT00111501
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Tobacco Use Disorder, Standard Web-based intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Jul 23, 2026, 7:43 PM EDT
Completed No phase listed Observational

Testing the Decoy Effect to Increase Tobacco Treatment Uptake

NCT04200157
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Online survey
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Jul 23, 2026, 7:43 PM EDT
Active, not recruiting Not applicable Interventional

Nicotine Replacement Therapy Prescribing and Lung Cancer Screening in Hospitalized Patients

NCT07164404
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
EHR alert
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Treating Smokers With Mental Illness

NCT03822416
View directory record Official record
Conditions
Smoking Cessation, Cigarette Smoking, Schizophrenia, Psychotic Disorders, Major Depressive Disorder, Bipolar Disorder I, Bipolar II Disorder, Mental Illness
Interventions
Nicotine patch, Nicotine lozenge, Therapy, Information
Drug · Behavioral · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Jul 23, 2026, 7:43 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Clinical Alternatives for Reducing Harm Using E-cigarettes

NCT07039292
View directory record Official record
Conditions
Smoking, E-Cig Use, Oncology
Interventions
Harm Reduction (E-cigarette switching), Standard of Care
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 23, 2026, 7:43 PM EDT
Not yet recruiting Not applicable Interventional

Quit-Smoking Study for Native Hawaiians

NCT07075575
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Nicotine Polacrilex Gum (2 mg), Cognitive Behavioral Group Therapy (CBGT)
Drug · Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Methods Project 4: Clinical Trial - Amended

NCT03111537
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Cigarettes, E-Cigarette, Nicotine Gum or Lozenge
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
3
States / cities
Minneapolis, Minnesota • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Selegiline Patch for Treatment of Nicotine Dependence

NCT01330030
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Selegiline, matching placebo
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of GSK598809, a Selective D3 Antagonist, Added to CBT and NRT for Smoking Cessation and Relapse Prevention

NCT01188967
View directory record Official record
Conditions
Nicotine Dependence
Interventions
GSK598809, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Phase 4 Interventional Results available

Novel Pharmacotherapy Approaches in Smokers With Serious Mental Illness

NCT04011280
View directory record Official record
Conditions
Bipolar Disorder, Schizophrenia, Schizoaffective Disorder, Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional

Internet-based Group Contingency Management to Promote Smoking Abstinence

NCT01181661
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Full Group Contingency, Mixed Group Contingency
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Gainesville, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for Smoking Abstinence With Adolescent Smokers

NCT01056588
View directory record Official record
Conditions
Cigarette Smoking
Interventions
CO-Contingent, Control condition
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
13 Years to 19 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone Application (ACT on Vaping) for Vaping Cessation in Young Adults

NCT05897242
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Addiction, Nicotine Use Disorder, Nicotine Vaping, Vaping
Interventions
Smartphone app, Text Message, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Jul 23, 2026, 7:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Behavioral Activation for Smoking Cessation in PTSD

NCT01995123
View directory record Official record
Conditions
Tobacco Dependence, PTSD
Interventions
Behavioral Activation Therapy, Health and Smoking Education, Standard Smoking Cessation Therapy
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Jul 23, 2026, 7:43 PM EDT