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ClinicalTrials.gov public records Last synced Oct 23, 2026, 8:47 AM EDT

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Showing 673–696 of 2,080 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Ultrasound and Motivational Enhancement for Prenatal Smoking Cessation

NCT00013793
View directory record Official record
Conditions
Pregnancy, Smoking
Interventions
Motivational enhancement and ultrasound
Behavioral
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
16 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional

A Study of Tobacco Smoke and Children With Respiratory Illnesses

NCT03062709
View directory record Official record
Conditions
Bronchiolitis, Pneumonia, Reactive Airway Disease, Asthma, Tobacco Smoking, Tobacco Cessation, Bronchopulmonary Dysplasia
Interventions
Breathe Easy Coalition written materials, Maine Tobacco Helpline, Urine cotinine testing
Behavioral · Diagnostic Test
Lead sponsor
MaineHealth
Other
Eligibility
Up to 10 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Phase 2 Interventional Results available

A Study of Cytisinicline for Vaping Cessation in Adult Smokers

NCT05431387
View directory record Official record
Conditions
Vaping, E-Cig Use
Interventions
cytisinicline, Placebo, Behavioral support
Drug · Behavioral
Lead sponsor
Achieve Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Lexington, Kentucky • Boston, Massachusetts • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 23, 2026, 8:47 AM EDT
Not listed No phase listed Observational

Effectiveness of Smoking Cessation Program in a Community Health System

NCT05107687
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smoking cessation
Behavioral
Lead sponsor
Virtua Health, Inc.
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Voorhees Township, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 5, 2024 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Results available

Comparing Smoking Cessation Interventions Among Underserved Patients Referred for Lung Cancer Screening

NCT04798664
View directory record Official record
Conditions
Smoking Cessation
Interventions
Removal of Financial Barriers, Financial Incentives, Mobile Health Application
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
3,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Oakland, California • Detroit, Michigan • Danville, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Neuroimaging Reward, Behavioral Treatment, and Smoking Cessation

NCT02927847
View directory record Official record
Conditions
Smoking
Interventions
Nicotine Patch, SPECTRUM Nicotine Research Cigarettes (.03 mg), Behavioral Activation, Supportive Counseling
Drug · Behavioral
Lead sponsor
Maggie M Sweitzer, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Oct 23, 2026, 8:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Molecular Risk in Smokers

NCT00598143
View directory record Official record
Conditions
Smoking Cessation
Interventions
Vignette, questionnaires and Saliva Samples, Urine Collection, Smoking cessation treatment
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Insular Inhibitory Neuromodulation to Reduce Cigarette Craving and Alter Brain Function in Smokers

NCT02590640
View directory record Official record
Conditions
Smoking
Interventions
Repetitive transcranial magnetic stimulation, MagStim Rapid2, Sham repetitive transcranial magnetic stimulation
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Support Person Intervention to Promote a Smoking Helpline

NCT01331226
View directory record Official record
Conditions
Tobacco Cessation
Interventions
telephone counseling 3 sessions, telephone counseling 1 session, written materials only
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,020 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 10, 2015 · Synced Oct 23, 2026, 8:47 AM EDT
Recruiting Phase 3 Interventional

V+PSF-M for Tobacco Cessation in HIV Care in India

NCT05786547
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Tobacco
Interventions
Varenicline, Positively Smoke Free Mobile (PSF-M), Standard Care
Drug · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional

Online Tai Chi Intervention to Promote Smoking Cessation Among Cancer Survivors

NCT05941858
View directory record Official record
Conditions
Cancer
Interventions
Smoking Cessation Intervention, Carbon Monoxide Measurement, Internet-Based Intervention, Survey Administration, Tai Chi
Behavioral · Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Phase 2 Interventional

Reduction of Smoking in Cardiac Disease Patients

NCT00469885
View directory record Official record
Conditions
Cardiovascular Disease, Tobacco Use Disorder
Interventions
Nicotine replacement, Motivational counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Phase 2 Interventional Results available

Treatment With Mecamylamine in Smoking and Non-smoking Alcohol Dependent Patients

NCT00342563
View directory record Official record
Conditions
Alcoholism
Interventions
mecamylamine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Coping Skills Treatment for Smoking Cessation

NCT01061528
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transdermal Nicotine
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validation of Biomarkers of Exposure and Host Response

NCT00468234
View directory record Official record
Conditions
Cigarette Smoker
Interventions
nicotine polacrilex, nicotine transdermal system, nicotine inhaler
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Recruitment Messages for Current Smokers Recently Diagnosed With Cancer

NCT05471284
View directory record Official record
Conditions
Tobacco Smoking, Health Behavior
Interventions
Proximal, Distal, Cost, Benefit, Loss, Gain, Control
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 22, 2022 · Synced Oct 23, 2026, 8:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

E-Cigarette Effects on Markers of Cardiovascular and Pulmonary Disease

NCT03863509
View directory record Official record
Conditions
Tobacco Use, E-Cigarette Use, Cardiovascular Diseases, Pulmonary Disease
Interventions
Cigarettes, E-Cigarettes
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

The Lung Screening, Tobacco and Health Project

NCT03200236
View directory record Official record
Conditions
Smoking, Tobacco, Tobacco-Related Carcinoma, Tobacco Use, Lung Cancer Screening
Interventions
Intensive Telephone Counseling (8 sessions) with nicotine replacement, Usual Care: Telephone counseling (3 sessions) with nicotine replacement
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
50 Years to 80 Years
Enrollment
1,114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Miami, Florida • Moline, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Oct 23, 2026, 8:47 AM EDT
Recruiting Not applicable Interventional

Refer2Quit: Evaluating a Proactive, Tailored, Population Health Approach for Tobacco Treatment for Household Smokers Through a Pediatric Care Network

NCT06582693
View directory record Official record
Conditions
Smoking, Smoking Cessation, Second Hand Tobacco Smoke
Interventions
Refer2Quit
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
3,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional

A Medical Assistant-Based Program to Promote Healthy Behaviors in Primary Care

NCT00273806
View directory record Official record
Conditions
Smoking, Problem Drinking, Sedentary Lifestyle, Unhealthy Diet
Interventions
Intervention for 4 behavioral risks by medical assistants.
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
864 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
6
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2008 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Combination SBIRT for Emergency Department Patients Who Drink and Smoke

NCT01595178
View directory record Official record
Conditions
Smoking, Drinking
Interventions
Combined BNI
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Online Automated Self-Hypnosis Program

NCT03931772
View directory record Official record
Conditions
Smoking, Pain, Stress
Interventions
Automated Self-Hypnosis
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Combining a Smoke Ending Aid With Behavioral Treatment - 1

NCT00006151
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Behavioral Therapy
Behavioral
Lead sponsor
Peter Gariti
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 23, 2026, 8:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reduced Exposure Study Using THS 2.2 Menthol With 5 Days in a Confinement Setting Followed by 86 Days in an Ambulatory Setting

NCT01989156
View directory record Official record
Conditions
Smoking
Interventions
THS 2.2 Menthol (mTHS 2.2), Menthol Conventional Cigarette (mCC), Smoking Abstinence (SA)
Other
Lead sponsor
Philip Morris Products S.A.
Industry
Eligibility
22 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Daytona Beach, Florida • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 23, 2026, 8:47 AM EDT