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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:26 PM EDT

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Showing 217–240 of 2,331 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Clear all
Completed Phase 4 Interventional Results available

Varenicline Effects In Schizophrenic Smokers

NCT00548470
View directory record Official record
Conditions
Schizophrenia, Tobacco Use Disorder, Nicotine Dependance
Interventions
Varenicline
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional

Primary Care Physicians' Use of Stop-Smoking Plans to Help Patients Who Are Smokers

NCT00227786
View directory record Official record
Conditions
Tobacco Use Disorder, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
smoking cessation intervention, counseling intervention
Behavioral · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
5
States / cities
Aurora, Colorado • Honolulu, Hawaii • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2013 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Program for Research on the Outcomes of VA Education

NCT01677533
View directory record Official record
Conditions
Hypertension, Smoking Cessation
Interventions
Data, Panel Management Support, Education
Other
Lead sponsor
VA New York Harbor Healthcare System
Federal
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 19, 2026, 10:26 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Multi-Site Study to Assess the Effect of Availability of a Heated Tobacco Product on Smoking Abstinence Among Current Primary Cigarette Smokers

NCT07710820
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
31237616, 31237617, 31237571, 31237581
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
1,060 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
9
States / cities
Brandon, Florida • Coral Springs, Florida • Aurora, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 19, 2026, 10:26 PM EDT
Active, not recruiting Not applicable Interventional

Smoking Cessation Intervention for Cancer Patients

NCT00575718
View directory record Official record
Conditions
Newly Diagnosed Cancer Patients
Interventions
Hospital Counseling + Nicotine Replacement Therapy. questionaires, Hospital Counseling + Nicotine Replacement + Presurgical Scheduled Reduced Smoking, questionaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Trial of Indole-3-Carbinol and Silibinin

NCT03687073
View directory record Official record
Conditions
Smoking
Interventions
Indole-3-Carbinol, Silibinin, Silibin
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Smoking Cessation and Functional CT Assessment

NCT03382106
View directory record Official record
Conditions
Emphysema
Interventions
Sildenafil 20 MG, Placebo Oral Tablet, Pulse wave velocity, Carotid artery compliance and stiffness, Pressure wave reflection
Drug · Diagnostic Test
Lead sponsor
Eric A. Hoffman
Other
Eligibility
21 Years to 65 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 14, 2025 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Efficacy of Ariva® Silver Wintergreen, a Smoking Aversive Lozenge

NCT01336816
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Placebo Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2014 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tumor Markers in Lung Cancer: DCAMLK-1LK-1

NCT01578018
View directory record Official record
Conditions
Lung Cancer, Smoking
Interventions
Measure DCAM levels in blood, DCAM levels in blood
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
45 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 10, 2012 · Synced Oct 19, 2026, 10:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

E-Cigarettes: Dynamic Patterns of Use and Health Effects

NCT02527980
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
No intervention: observation only
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 10, 2019 · Synced Oct 19, 2026, 10:26 PM EDT
Recruiting Not applicable Interventional

Testing the Impact of Smartphone-based Messaging to Support Young Adult Smoking Cessation

NCT05836103
View directory record Official record
Conditions
Tobacco Cigarette Smoking
Interventions
Smartphone-based intervention messages
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 30 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 19, 2026, 10:26 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Behavioral Activation Therapy and Nicotine Replacement Therapy in Increasing Smoking Cessation

NCT02697227
View directory record Official record
Conditions
Cigarette Smoker, Tobacco Use Disorder
Interventions
Behavioral Intervention, Laboratory Biomarker Analysis, Nicotine Patch, Questionnaire Administration, Smoking Cessation Intervention
Behavioral · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Results available

Preventing Weight Gain and Controlling Blood Pressure During Smoking Cessation in Hypertensive Smokers

NCT00113074
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Hypertension
Interventions
Nicotine Replacement Therapy, Diet
Drug · Behavioral
Lead sponsor
Mark Vander Weg
Other
Eligibility
Not listed
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
2
States / cities
Iowa City, Iowa • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline and Bupropion for Smoking Cessation

NCT00935818
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, placebo, bupropion SR
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
506 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
3
States / cities
Minneapolis, Minnesota • Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 19, 2026, 10:26 PM EDT
Recruiting Not applicable Interventional

Cigarette Filter Study

NCT07348679
View directory record Official record
Conditions
Smoking ( Cigarette)
Interventions
Charcoal filtered cigarettes with marketing, Charcoal filtered cigarette without marketing, Non-charcoal filtered cigarettes
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years and older
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quit4Health Intervention in Supporting Smoking Cessation and Preventing Smoking Initiation in Young Adults

NCT04009590
View directory record Official record
Conditions
Cigarette Smoking, Current Smoker
Interventions
Educational Intervention, Questionnaire Administration, Smoking Cessation Intervention
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
579 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Perceptions of Cigarette Smoking in Young Adults

NCT03953508
View directory record Official record
Conditions
Smoking, Cigarette
Interventions
Cigarette flavor type
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 26 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Results available

Lung Cancer Screening Navigation for Homeless People

NCT04308226
View directory record Official record
Conditions
Lung Cancer, Tobacco Use, Homelessness
Interventions
Patient Navigation
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years to 77 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 19, 2026, 10:26 PM EDT
Not listed Not applicable Interventional

Veteran Support for Smoking Cessation Pilot Project (VAntage Pilot)

NCT04840108
View directory record Official record
Conditions
Smoking Cessation
Interventions
Support Person Coaching Intervention, Support Person Written Materials
Behavioral
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Results available

New Approaches to Smoking Cessation in Heavy Drinkers

NCT02151591
View directory record Official record
Conditions
Nicotine Dependence, Cigarette Smoking, Alcohol Consumption, Heavy Drinking
Interventions
Varenicline
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional

Cigar Packaging Study

NCT04605874
View directory record Official record
Conditions
Smoking
Interventions
Package Quantity (cigarillos)
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 19, 2026, 10:26 PM EDT
Not listed Phase 3 Interventional

Motivating Smokers With Mobility Impairments to Quit Smoking

NCT01585610
View directory record Official record
Conditions
Smoking
Interventions
DVD Intervention, Standard Care Printed Materials
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Web-based Smoking Cessation Program for Tribal College Students

NCT02050308
View directory record Official record
Conditions
Smoking Cessation
Interventions
Internet-All Nations Breath of Life (I-ANBL), Honoring the Gift of Heart Health, Nicotine gum, Patch, or Lozenge or Zyban® or Chantix®
Other · Drug
Lead sponsor
Won Choi, PhD, MPH
Other
Eligibility
18 Years and older
Enrollment
251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
Kansas City, Kansas • Pablo, Montana
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Oct 19, 2026, 10:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short Messaging Service Program to Help Quit Smoking During Perioperative Period.

NCT03839043
View directory record Official record
Conditions
Tobacco Use Cessation, Perioperative/Postoperative Complications, Tobacco Smoking
Interventions
Brief behavioral intervention, SMS Program
Behavioral · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 19, 2026, 10:26 PM EDT