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ClinicalTrials.gov public records Last synced Oct 20, 2026, 9:50 AM EDT

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Showing 409–432 of 2,331 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Clear all
Completed Not applicable Interventional Results available

Smoking Cessation for Smokers With Sleep Problems

NCT01277887
View directory record Official record
Conditions
Nicotine Dependence, Cigarette Smoking, Insomnia
Interventions
Cognitive-Behavioral Counseling, Smoking Cessation Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Phase 3 Interventional Results available

A Randomized Trial of Medi-Cal Beneficiaries Calling the California Smokers' Helpline

NCT01502306
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone counseling, Nicotine patches, Incentive
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,816 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 20, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Abuse Liability for Five Modern Oral Nicotine Products

NCT07132814
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product F, Product N
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Regional Lung Deposition of Inhaled Saline Using the tPAD Device

NCT03185650
View directory record Official record
Conditions
Lung Diseases
Interventions
tPAD Device, PARI LC Star Nebulizer
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Unfiltered Cigarettes Among Committed Smokers

NCT03749876
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking
Interventions
Unfiltered Cigarettes, Filtered Cigarettes
Other
Lead sponsor
San Diego State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Marcos, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Smoking, Sex Hormones, and Pregnancy

NCT01811225
View directory record Official record
Conditions
Nicotine Dependence, Contraception
Interventions
Low-dose Progesterone, High-dose Progesterone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 20, 2026, 9:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Predictors of Teen Smoking-cessation

NCT01141517
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Not-On-Tobacco smoking cessation program
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
13 Years to 19 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text Messaging to Promote Walking Among Latino Adults at Risk for Peripheral Arterial Disease

NCT02622282
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Text Messages, Phone Calls, Handout
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
50 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Bupropion and Counseling With or Without Contingency Management to Enhance Smoking Cessation in Treating Cancer Survivors Who Continue to Smoke

NCT00079469
View directory record Official record
Conditions
Cancer Survivor, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
smoking cessation intervention, bupropion hydrochloride
Behavioral · Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 8, 2012 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Smoking Cessation for American Indians

NCT01106456
View directory record Official record
Conditions
Smoking Cessation
Interventions
All Nations Breath of Life (ANBL), Nontailored program (NT), Pharmacotherapy
Behavioral · Drug
Lead sponsor
Won Choi, PhD, MPH
Other
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Kansas City, Kansas • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Efficacy and Cost of State Quitline Policies

NCT00366977
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Cessation, Cost-effectiveness
Interventions
Multi-session telephone counseling, NRT patches
Behavioral · Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
4,614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
3
States / cities
Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 2, 2011 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Pedialink CEASE Module

NCT01087177
View directory record Official record
Conditions
Tobacco Use
Interventions
Exposure to practice that has been trained in Pedialink CEASE
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
647 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2012 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial for Harm Reduction With Incentives & Vaping E-cigarettes

NCT06111053
View directory record Official record
Conditions
Obesity, Smoking Cessation
Interventions
ENDS, CI, No ENDS, NI
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Characterize Puffing Topography With Use of JUUL Electronic Nicotine Delivery Systems (ENDS) in Adult, Closed-System ENDS Consumers

NCT04088175
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
JUUL ENDS - Virginia Tobacco 5% nicotine strength, JUUL ENDS - Virginia Tobacco 3% nicotine strength, JUUL ENDS - Menthol 5% nicotine strength, JUUL ENDS - Menthol 3% nicotine strength, JUUL ENDS - Mint 5% nicotine strength, JUUL ENDS - Mint 3% nicotine strength, JUUL ENDS - Mango 5% nicotine strength, JUUL ENDS - Mango 3% nicotine strength
Other
Lead sponsor
Juul Labs, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Burbank, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Phase 2 Interventional Results available

Improving Smoking Cessation Outcomes in Heavy Drinkers - 1

NCT00107575
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Standard treatment plus brief alcohol intervention, Standard treatment (ST)
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 95 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Oct 20, 2026, 9:50 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Cannabis THC Potency, Metabolism, and Cognitive Impairment in Young Adults

NCT06077292
View directory record Official record
Conditions
Cannabis Use, THC, Marijuana Use, Cognitive Impairment, THC Vaping
Interventions
15% THC Potency Reduction, 35% THC Potency Reduction
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 25 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Contingency Management in Waterpipe Smoking Cessation

NCT02159092
View directory record Official record
Conditions
Waterpipe Smoking
Interventions
Contingency Management
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smoking Reduction and Cessation Interventions for Chinese

NCT00714532
View directory record Official record
Conditions
Smoking Cessation
Interventions
Expert System Only, Enhanced Expert System
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
298 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 20, 2026, 9:50 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Ongoing Lung Decline With Age Intensified Response

NCT07676435
View directory record Official record
Conditions
Age-Related Lung Function Decline
Interventions
Fisetin, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
60 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Teens Against Tobacco Use: A Model for Universal Tobacco Prevention and Youth Advocacy

NCT02443025
View directory record Official record
Conditions
Tobacco Smoking Behavior
Interventions
Teens Against Tobacco Use
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
2,414 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 20, 2026, 9:50 AM EDT
Terminated Not applicable Interventional

Comprehensive Care Program SBRT

NCT03267368
View directory record Official record
Conditions
Lung Cancer, Smoking, Copd
Interventions
Comprehensive Care Program
Behavioral
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Oct 20, 2026, 9:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Integrative-omics of the Disordered COPD Small Airway Epithelium

NCT02183818
View directory record Official record
Conditions
Smoking, COPD
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Not applicable Interventional Results available

Quit & Fit 2.0: Feasibility and Usability Testing

NCT05878990
View directory record Official record
Conditions
Smoking Cessation
Interventions
Culturally-tailored Tobacco Treatment, Culturally-tailored Content Newsletters, Control Preference Scale, Active Content Newsletter or Passive Content Newsletter
Behavioral
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 69 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Nutley, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 20, 2026, 9:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Impact of Intravenous Bendavia™ on Endothelial Reactivity Dysfunction in Cigarette Smoking

NCT01518985
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Bendavia, Sterile saline (0.9%), Cigarette smoking
Drug · Other
Lead sponsor
Stealth BioTherapeutics Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 19, 2012 · Synced Oct 20, 2026, 9:50 AM EDT