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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:57 PM EDT

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Showing 265–288 of 2,080 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
Recruiting Phase 3 Interventional Accepts healthy volunteers

Improving Smoking Abstinence Outcomes in the African American Community Through Extended Treatment

NCT05732272
View directory record Official record
Conditions
Smoking Cessation
Interventions
Bupropion
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Results available

Trial of Nicotine Nasal Spray as an Aid for Smoking Cessation in Schizophrenia

NCT01010477
View directory record Official record
Conditions
Smoking Cessation, Schizophrenia
Interventions
Nicotine Nasal Spray, Behavioral counseling
Drug · Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Oct 21, 2026, 3:57 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Efficacy of Conventional Screening Versus mHealth Screening in Early Detection of Oral Potentially Malignant Disorders and Oral Cancer Amongst the Rural Population of Varanasi: A Prospective and Blinded Study

NCT06535867
View directory record Official record
Conditions
Smoking, Smoking, Cigarette, Smoking, Tobacco, Betel Chewer's Mucosa, Tobacco Use, Tobacco Smoking, Alcohol Drinking, Smokeless Tobacco Hyperkeratosis
Interventions
mHealth
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 21, 2026, 3:57 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

FRESH Delivers: An Innovative Approach to Reducing Tobacco Use Among Rural Smokers

NCT05429892
View directory record Official record
Conditions
Tobacco Cessation, Tobacco Dependence, Food Security
Interventions
Smoking cessation counseling and food delivery, Smoking cessation counseling, Food delivery
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
21 Years to 75 Years
Enrollment
540 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Comparing NicoBloc to Nicotine Lozenges

NCT03720899
View directory record Official record
Conditions
Smoking Cessation, Nicotine Dependence
Interventions
NicoBloc, Nicotine Lozenge
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Results available

Quit For Life (QFL): Smoking Cessation Among Chinese Smokers Living With HIV

NCT05020899
View directory record Official record
Conditions
Smoking Cessation, HIV Infections
Interventions
Sessions with a trained counselor, Cell phone messages, Offered nicotine replacement therapy, Self-help guide for quitting smoking
Behavioral · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 21, 2026, 3:57 PM EDT
Terminated Not applicable Interventional Results available

Accelerated rTMS for the Reduction of Nicotine Craving

NCT03352609
View directory record Official record
Conditions
Nicotine Use Disorder, Nicotine Dependence
Interventions
Active rTMS with MagVenture MagPro double blind rTMS system, Sham rTMS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Technology and Telephone-Based Smoking Cessation

NCT03492645
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone-and technology-facilitated treatment protocol, Office-based treatment protocol
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 69 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Learning-Theory-Based Smoking Cessation Strategies

NCT01368653
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Standard treatment, Standard treatment+practice quitting, Very low nicotine cigarettes
Behavioral · Drug
Lead sponsor
Rutgers University
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 21, 2026, 3:57 PM EDT
Terminated Phase 2Phase 3 Interventional

Mindfulness Training Plus Oxytocin Effects on Smoking Behavior

NCT03819231
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Oxytocin, Mindfulness, Saline Solution, Sham mindfulness
Drug · Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2024 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Digital Ankle Brachial Index (ABI) as a Screening Tool in Detecting Peripheral Arterial Disease

NCT03161327
View directory record Official record
Conditions
Peripheral Artery Disease, Amputation, Smoking, Diabetes, Hypercholesterolemia, Hypertension
Interventions
ABI using QuantaFlo™
Device
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 90 Years
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study To Evaluate Cardiac Assessments Following Different Treatments Of Smoking Cessation Medications In Subjects With And Without Psychiatric Disorders.

NCT01574703
View directory record Official record
Conditions
Smoking Cessation
Interventions
placebo, varenicline tartrate, bupropion hydrochloride, Nicotine Replacement Therapy Patch
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
4,595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
65
States / cities
Mobile, Alabama • Encino, California • Escondido, California + 54 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2016 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Smoking Cessation for Veterans With Severe and Persistent Mental Illness

NCT00960375
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia, Affective Psychosis, Bipolar, Affective Disorders, Psychotic
Interventions
BTSCS, StSST
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 75 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2015 · Synced Oct 21, 2026, 3:57 PM EDT
Completed No phase listed Observational Results available

Cognition and Smoking Relapse (HCS)

NCT03169101
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, Behavioral counseling
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 10, 2024 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Smoking Treatment of Prisoners

NCT00110630
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
10-week smoking cessation group therapy combined with NicoDerm CQ
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 3:57 PM EDT
Terminated Phase 2 Interventional

Helping Veterans Quit Smoking by Improving Their Sleep

NCT01267032
View directory record Official record
Conditions
Smoking
Interventions
Integrated Care, Cognitive-Behavioral Treatment for Insomnia, Desensitization Treatment for Insomnia
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 21, 2026, 3:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Determine the Effects of ENDS Flavor Availability on Abstinence Within Smokers

NCT07598136
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
P2613422, P2611222, P2615522, P2615122, P2615422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
1,280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
7
States / cities
Maitland, Florida • Atlanta, Georgia • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline-Aided Cigarette Reduction in Smokers Not Ready to Quit

NCT01308736
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Varenicline, Placebo pill
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 64 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Electronic Cigarette Liquid Characteristics in Smokers.

NCT03861078
View directory record Official record
Conditions
Electronic Cigarettes
Interventions
Own Brand Cigarette, ECIG 15 mg nicotine, sweetened, ECIG 15 mg nicotine, unsweet, ECIG 0 mg nicotine, sweetened, ECIG 0 mg nicotine, unsweet
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Results available

Clinical Trial of Smoking Cessation Mobile Phone Program

NCT02656745
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism

NCT02999399
View directory record Official record
Conditions
Smoking
Interventions
Brussel Sprouts, Deuterated Phenanthrene
Other · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 21, 2026, 3:57 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Telephone All Nations Breath of Life

NCT04764175
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone All Nations Breath of Life, Comparison Program
Behavioral
Lead sponsor
Lehigh University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Waterpipe Size on Smoking Behavior and Exposures

NCT05705375
View directory record Official record
Conditions
Waterpipe Size
Interventions
Waterpipe size
Other
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
21 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Influencer Marketing and Adolescent E-cigarette Use

NCT07420842
View directory record Official record
Conditions
Vaping
Interventions
Youth Perceptions of Influencer Age and Fitness Contexts in E-Cigarette Marketing
Other
Lead sponsor
University of Southern California
Other
Eligibility
14 Years to 17 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 21, 2026, 3:57 PM EDT