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ClinicalTrials.gov public records Last synced Nov 3, 2026, 7:10 AM EST

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Showing 1–24 of 2,076 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Smoking Behavior Clear all
Completed Not applicable Interventional Results available

Accelerated Transcranial Magnetic Stimulation (TMS) for Smoking Cessation in People Living With HIV/AIDS (PLWHA)

NCT05295953
View directory record Official record
Conditions
Hiv, Tobacco Smoking
Interventions
TBS, Sham TMS
Device
Lead sponsor
Gopalkumar Rakesh
Other
Eligibility
18 Years to 60 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Nov 3, 2026, 7:10 AM EST
Completed Phase 3 Interventional

Efficacy of Proactive Telephone Counseling for Pregnant Smokers Enrolled in a Managed Care Organization

NCT00181909
View directory record Official record
Conditions
Pregnancy, Smoking Cessation
Interventions
Smoking cessation counseling delivered by telephone
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
434 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Boston, Massachusetts • Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 28, 2006 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional

Development of a Tailored Smoking Cessation Program for Individuals With HIV Infection in Washington, D.C.

NCT04594109
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Tailored behavioral counseling, Standard of Care
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Nov 3, 2026, 7:10 AM EST
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 15, 2023 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional

Alaska Native Family-Based, Financial Incentives Intervention for Smoking Cessation

NCT05413265
View directory record Official record
Conditions
Smoking Cessation
Interventions
Phases 1 and 2
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Nov 3, 2026, 7:10 AM EST
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline For Smokers In Recovery From Alcohol Dependence

NCT01092702
View directory record Official record
Conditions
Tobacco Abstinence
Interventions
Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Preliminary Test of Reactive Carrot Incentives in a Practice Quit Environment With Contingency Management Incentives

NCT05072301
View directory record Official record
Conditions
Smoking Cessation
Interventions
Contingency Management, Control
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Nov 3, 2026, 7:10 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Semaglutide for Alcohol Use Disorder

NCT05520775
View directory record Official record
Conditions
Alcohol Use Disorder, Cigarette Smoking
Interventions
Semaglutide, Sham/placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Nov 3, 2026, 7:10 AM EST
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 24, 2020 · Synced Nov 3, 2026, 7:10 AM EST
Completed Early Phase 1 Interventional

The Effect of Nicotine Delivery Rate on Reinforcement

NCT03134339
View directory record Official record
Conditions
Nicotine
Interventions
Nicotine saline 0.00mcg/kg/s, Nicotine 0.24 mcg/kg/s, Nicotine 0.048 mcg/kg/s, Nicotine 0.024 mcg/kg/s
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Nov 3, 2026, 7:10 AM EST
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Endothelial Function and Autonomic Regulation After Short-term Smoking Cessation: Varenicline Versus Placebo

NCT00673595
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Nov 3, 2026, 7:10 AM EST
Completed No phase listed Observational

Quantitation of Human Cerebral Nicotinie Receptors With 2[18F]FA-85380 and PET Healthy Non-smokers and Ex-Smokers and in Heavy and Light Situational Smokers

NCT01038245
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Baby Steps III: Testing a Clinician and Patient Intervention to Promote Smoking Cessation Among Pregnant Women

NCT04985903
View directory record Official record
Conditions
Smoking Cessation, Pregnancy, Communication Research
Interventions
Clinician Communication Intervention, 5A's lecture
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
414 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Results available

Smoking Cessation After Hospitalization for a Cardiopulmonary Illness

NCT01791803
View directory record Official record
Conditions
Smoking Cessation
Interventions
hypnotherapy, Nicotine
Behavioral · Drug
Lead sponsor
North Shore Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Salem, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Nov 3, 2026, 7:10 AM EST
Completed Phase 3 Interventional Results available

Effectiveness of Tropisetron Plus Risperidone for Improving Cognitive and Perceptual Disturbances in Schizophrenia

NCT00435370
View directory record Official record
Conditions
Smoking Cessation, Schizophrenia
Interventions
Tropisetron, Placebo, Risperidone
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

CSD190203: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting

NCT04104152
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
CSD1902-11, CSD1902-12, CSD1902-13, CSD1902-14, CSD1902-21, CSD1902-22, CSD1902-23, CSD1902-24
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Nov 3, 2026, 7:10 AM EST
Terminated Not applicable Interventional

Peri-procedural Smoking Cessation Program in Patients With Chronic Pain

NCT04605744
View directory record Official record
Conditions
Chronic Pain, Smoking
Interventions
Smoking cessation counseling
Behavioral
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Moment Study: Mixed Method E-cigarette Study

NCT02261363
View directory record Official record
Conditions
Smoking
Interventions
Ecig group 1
Other
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Results available

Pilot Testing a Digital Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness

NCT04367506
View directory record Official record
Conditions
Tobacco Cessation
Interventions
BecomeAnEX, Usual Care
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of E-Cigarette Nicotine Content in Smokers (Nicotine Flux Study)

NCT04332926
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Tobacco product administration and assessment, own brand cigarettes, Tobacco product administration and assessment, ECIG 30 Watts, 0 mg/ml nicotine, Tobacco product administration and assessment, ECIG 30 Watts, 8 mg/ml nicotine, Tobacco product administration and assessment, ECIG 30 Watts, 15 mg/ml nicotine, Tobacco product administration and assessment, ECIG 30 Watts, 30 mg/ml nicotine
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional

Durham Housing Authority (DHA) Community Health Advisor (CHA) Smoking Cessation Project

NCT04114526
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 12, 2020 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Use Behavior, Nicotine Uptake, and Subjective Effects Comparison of Tobacco and Menthol e-Liquids by ENDS Consumers

NCT05134415
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
RELX ENDS Tobacco Flavor 1, RELX ENDS Tobacco Flavor 2, RELX ENDS Menthol Flavor 1, RELX ENDS Menthol Flavor 2
Other
Lead sponsor
Cheerain HK Limited
Industry
Eligibility
22 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Nov 3, 2026, 7:10 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Smoking Cessation Treatment - 1

NCT00110825
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavior Therapy
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
304 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Nov 3, 2026, 7:10 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Metformin During Nicotine Withdrawal

NCT03593538
View directory record Official record
Conditions
Smoking, HIV-1-infection
Interventions
Metformin, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Nov 3, 2026, 7:10 AM EST