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ClinicalTrials.gov public records Last synced Nov 3, 2026, 5:06 PM EST

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Showing 169–192 of 797 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoker Clear all
Completed Not applicable Interventional Results available

Patch Study - Intervention for HIV Positive Smokers

NCT02982772
View directory record Official record
Conditions
Smoking Cessation, HIV
Interventions
Combination Therapy, Standard Care Intervention
Other
Lead sponsor
dr. maria miguez
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Nov 3, 2026, 5:06 PM EST
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 Nov 3, 2026, 5:06 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Vaping and Smoking Withdrawal Project

NCT05772845
View directory record Official record
Conditions
Acute Abstinence From Cigarettes vs E-cigarettes (ENDS)
Interventions
Acute (24-hour) abstinence, Ad libitum smoking/vaping
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 50 Years
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Nicotine Pharmacokinetics From Research Electronic Nicotine Delivery System S-TA-U001 in Smokers and E-Cigarette Users

NCT02792426
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Research ENDS S-TA-U001, Nicorette Inhalator
Drug
Lead sponsor
NJOY, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Oral DNA Damage by Black Raspberries

NCT04372914
View directory record Official record
Conditions
Oral Cancer, Smoking, DNA Damage, Oxidative Stress
Interventions
BRB Lozenges
Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 4 Interventional Results available

Understanding Disparities in Quitting in African American and White Smokers

NCT01836276
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline
Drug
Lead sponsor
Nikki Nollen, PhD, MA
Other
Eligibility
18 Years and older
Enrollment
449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 4 Interventional Results available

A Text Messaging Program for Smokers in Primary Care

NCT03174158
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mailed nicotine replacement therapy, Text messaging, Brief advice
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 7, 2020 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 4 Interventional

Web-based Smoking Cessation Intervention: Transition From Inpatient to Outpatient

NCT01277250
View directory record Official record
Conditions
Cigarette Smoking, Home Access to Internet and Email, Cognitively and Physically Able to Participate, English Speaking and Reading
Interventions
Web-based smoking cessation program
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
1,548 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 19, 2015 · Synced Nov 3, 2026, 5:06 PM EST
Recruiting Not applicable Interventional

Testing the mHealth App Intervention for Nondaily Smokers "SiS4"

NCT06678243
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smiling instead of Smoking, QuitGuide
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Controlled Trial to Evaluate the Impact of ZYN Nicotine Pouch Products on Cigarette Usage and BoExp in Adult Smokers Over a 12-week Period

NCT06568900
View directory record Official record
Conditions
Tobacco Use
Interventions
cigarette smoking, tobacco flavored and unflavored pouch, unrestricted flavor options pouch
Other
Lead sponsor
Swedish Match AB
Industry
Eligibility
22 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 23, 2024 · Synced Nov 3, 2026, 5:06 PM EST
Terminated No phase listed Observational

Tobacco Dependence in Breast Cancer Patients Trial of Varenicline (Chantix)

NCT01532232
View directory record Official record
Conditions
Breast Cancer, Tobacco Dependence
Interventions
placebo, varenicline
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional

Examining Outcome Expectancies and Behavioral Reinforcers Among Young Adult Smokers

NCT04383782
View directory record Official record
Conditions
Smoking Cessation
Interventions
Expectancy Challenge, Expectancy Challenge + Behavioral Activation, Control
Behavioral
Lead sponsor
American University
Other
Eligibility
18 Years to 35 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2021 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional Results available

RCT of an Internet Cessation Program Plus Online Social Network for HIV+ Smokers

NCT02781090
View directory record Official record
Conditions
Tobacco Use Disorder, HIV
Interventions
PSFW+, AHA, Nicotine polacrilex
Behavioral · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
Baltimore, Maryland • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2023 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Nature Exposure on Smoking Behavior

NCT03716440
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Nature exposure, Non-nature exposure
Other
Lead sponsor
University of Montana
Other
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Nov 3, 2026, 5:06 PM EST
Recruiting Phase 4 Interventional

Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care

NCT06598397
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), Smoking Cessation
Interventions
Motivational Interviewing (MI) Counseling, Peer Mentoring, Skills-based Text Messaging, Combination NRT
Behavioral · Drug
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 4 Interventional Accepts healthy volunteers

Smoking Relapse Prevention in Schizophrenia

NCT00320697
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Smokers
Interventions
bupropion + nicotine patch + nicotine gum or lozenges, Placebo pill + placebo patch
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Nov 3, 2026, 5:06 PM EST
Active, not recruiting Phase 1 Interventional

A Study of Exercise and Pharmacologic Intervention on Systemic Inflammation

NCT07058974
View directory record Official record
Conditions
Smokers, Former Smokers
Interventions
lamivudine, rapamycin, Exercise Regimen, Spermidine
Drug · Behavioral · Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
60 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional Results available

Telephone Care Coordination for Smokers in VA Mental Health Clinics

NCT00724308
View directory record Official record
Conditions
Smoking
Interventions
Telephone Care Coordination, Telephone Care Coordination with state Quitline
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced Nov 3, 2026, 5:06 PM EST
Completed No phase listed Observational

Breath Carbon Monoxide and Cotinine as Biomarkers to Distinguish Smokers From Nonsmokers

NCT01031121
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 2 Interventional Results available

Varenicline Treatment of Alcohol Dependence in Smokers

NCT01553136
View directory record Official record
Conditions
Alcoholism, Alcohol Abuse, Smoking, Alcohol Drinking
Interventions
Varenicline
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
New Haven, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Nov 3, 2026, 5:06 PM EST
Completed No phase listed Observational Results available

Oral Cell DNA Adducts in Smokers

NCT03285893
View directory record Official record
Conditions
Lung Cancer
Interventions
oral cell DNA adducts
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
281 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Nov 3, 2026, 5:06 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Working Memory Training Combined With Transcranial Magnetic Stimulation in Smokers

NCT03337113
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Working Memory Training, Sham Working Memory Training, repetitive Transcranial Magnetic Stimulation, Sham repetitive Transcranial Magnetic Stimulation
Other · Device
Lead sponsor
Kent State University
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Nov 3, 2026, 5:06 PM EST
Completed Not applicable Interventional Results available

Randomized Pilot Study of a mHealth App for Ambivalent Smokers Living With HIV

NCT05339659
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
mHealth Intervention
Device
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Nov 3, 2026, 5:06 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of a Specific Substance in Smokers

NCT04281979
View directory record Official record
Conditions
Smoking
Interventions
Study Agent, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Nov 3, 2026, 5:06 PM EST