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Showing 1–24 of 433 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Smoking Assessments Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment for Employable Californians, Total IMPACT Study

NCT02478697
View directory record Official record
Conditions
Tobacco Dependence
Interventions
ProChange ExpertSystem
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
3
States / cities
Menlo Park, California • San Francisco, California • San Rafael, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 6, 2026, 9:31 AM EDT
Active, not recruiting Not applicable Interventional

Teachable Moment to Opt-out of Tobacco: Interactive Voice Response Quit Line for Veteran Active Smokers With Lung Nodules

NCT04574518
View directory record Official record
Conditions
Solitary Pulmonary Nodule, Multiple Pulmonary Nodules, Tobacco Use
Interventions
TeaM OUT Intervention, Enhanced Usual Care
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Minneapolis, Minnesota • Portland, Oregon • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Phase 1 Interventional

Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers

NCT04194918
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Computer-Assisted Smoking Cessation Intervention, Text Message, Handout, Questionnaire Administration, Quality-of-Life Assessment, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Contingency Management for Smoking Cessation in the Homeless

NCT01736982
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Contingency Management, Standard of Care
Behavioral · Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New Britain, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interventions for Smoking Among Persons in Recovery

NCT00714896
View directory record Official record
Conditions
Smoking Cessation
Interventions
Stepped-Care, Control
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated May 28, 2013 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Clinical Effort Against Smoke Exposure in Cystic Fibrosis

NCT04777344
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Tobacco Treatment Specialist (TTS) intervention
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Sep 6, 2026, 9:31 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adaptation and Initial Evaluation of Transdiagnostic CBT for Anxious and Depressed Smokers

NCT03920137
View directory record Official record
Conditions
Smoking Cessation
Interventions
UP-ST Therapy, Standard Therapy, Nicotine Patch
Behavioral · Device
Lead sponsor
University of Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Results available

Financial Incentives for Smoking Cessation Among Mothers

NCT05740098
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Best Practices, Financial Incentives, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older · Female only
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Sep 6, 2026, 9:31 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Cannabis Consumption and Driving Impairment Assessment on a Closed Course

NCT06059677
View directory record Official record
Conditions
Cannabis Smoking, Driving Impaired
Interventions
Active smoked cannabis, Placebo smoked cannabis
Drug
Lead sponsor
Bayliss J. Camp, PhD
Government
Eligibility
21 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 6, 2026, 9:31 AM EDT
Recruiting Not applicable Interventional

Beating Lung Cancer in Ohio Protocol in Improving Survival in Patients With Stage IV Non-Small Cell Lung Cancer

NCT03199651
View directory record Official record
Conditions
Cigarette Smoker, Current Smoker, Lung Adenocarcinoma, Squamous Cell Lung Carcinoma, Stage IV Non-Small Cell Lung Cancer
Interventions
Best Practice, Biospecimen Collection, Laboratory Biomarker Analysis, Medical Chart Review, Quality-of-Life Assessment, Questionnaire Administration, Smoking Cessation Intervention
Other · Procedure · Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3,584 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 6, 2026, 9:31 AM EDT
Active, not recruiting No phase listed Observational

Michigan Early Disease Progression Cohort

NCT04968249
View directory record Official record
Conditions
COPD
Interventions
Observational
Other
Lead sponsor
University of Michigan
Other
Eligibility
30 Years to 55 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Evaluation of e-Practice Self-Regulation (e-PS-R)

NCT03242447
View directory record Official record
Conditions
Teen Pregnancy Prevention
Interventions
e-Practice Self-Regulation, Video Health Group
Behavioral
Lead sponsor
The Policy & Research Group
Other
Eligibility
14 Years to 19 Years
Enrollment
631 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Yoga for Smoking Cessation Feasibility Study

NCT01030068
View directory record Official record
Conditions
Smoking Cessation
Interventions
Yoga, Wellness, Smoking cessation therapy
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 6, 2011 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Implementing Tobacco Use Guidelines in Community Health Centers in Vietnam Public Health System

NCT02564653
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Technical Assistance, training and clinical reminders, TTC+Referral to Community Health Worker
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
4,733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2020 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smoking Cessation for Young Adult Pacific Islanders: Motivating Pacifika Against Cigarettes and Tobacco

NCT03238456
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation, Smoking, Smoking Cessation, Smoking, Cigarette
Interventions
Motivating Pacifika Against Cigarettes and Tobacco
Behavioral
Lead sponsor
Claremont Graduate University
Other
Eligibility
18 Years to 30 Years
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Claremont, California • Fullerton, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Sep 6, 2026, 9:31 AM EDT
Recruiting Not applicable Interventional

E-cigarettes for Harm Reduction Among Smokers With Serious Mental Illness

NCT05815199
View directory record Official record
Conditions
Cigarette Smoking
Interventions
E-cigarette (EC), Nicotine Replacement Therapy (NRT), Harm-Reduction Counseling, Ecological Momentary Intervention (EMI) Text Messaging
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Facilitating Participation in a Prostate Cancer Risk Assessment Program

NCT02126319
View directory record Official record
Conditions
Prostate Cancer
Interventions
Cognitive Affective preparation, General Health Education
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
34 Years to 69 Years · Male only
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Appeal and Impact of E-cigarettes in Smokers With SMI

NCT03050853
View directory record Official record
Conditions
Tobacco Dependence, Schizophrenia, Bipolar Disorder, Schizoaffective Disorder
Interventions
E-cigarette
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
2
States / cities
Louisville, Kentucky • Lawrence, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2021 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Aging, Cognition, and Hearing Evaluation in Elders Study

NCT02412254
View directory record Official record
Conditions
Hearing Loss
Interventions
Best practices hearing rehabilitative treatment, Successful aging intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
70 Years to 84 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Hagerstown, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Laboratory Study Of Varenicline in Smokers

NCT00709696
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Placebo, Varenicline
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Sep 6, 2026, 9:31 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability

NCT07564648
View directory record Official record
Conditions
Cigarette Addiction, Tobacco Use Disorder
Interventions
Biospecimen Collection, Questionnaire Administration, Cigarette Purchase Task, Cross-Price Elasticity Task, Daily Diary Surveys, Progressive Ratio Task
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 6, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Switching From Usual Brand Cigarettes to a Tobacco-heating Cigarette or Snus

NCT02061917
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Tobacco-Heating Cigarette, Snus (Smokeless Tobacco), Tobacco-Burning Cigarette
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
28 Years to 55 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
5
States / cities
Daytona Beach, Florida • Boise, Idaho • Portland, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Sep 6, 2026, 9:31 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Penn State TXT2STAYQUIT Study- a Texting Study to Help Hospitalized Smokers Stay Quit

NCT02986711
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Motivational Text Messages, Control
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 6, 2026, 9:31 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Remote vs. In-Person Study Evaluation (RISE) Trials: RISE Above Smoking (Trial 1)

NCT06822049
View directory record Official record
Conditions
Remote vs. In-Person, Remote Visits, In-person Visits
Interventions
Combination Nicotine Replacement Therapy (patch and lozenge)
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Buffalo, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 6, 2026, 9:31 AM EDT