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ClinicalTrials.gov public records Last synced Oct 30, 2026, 11:44 AM EDT

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Showing 1489–1512 of 2,082 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Metabolism and Low Nicotine Cigarettes

NCT01898507
View directory record Official record
Conditions
Smoking
Interventions
Low nicotine cigarettes
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of a Smartphone-Based Switch Program

NCT06544772
View directory record Official record
Conditions
Smoking Cessation
Interventions
Pivot cigarette smoking cessation program
Device
Lead sponsor
Pivot Health Technologies Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Carlos, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 30, 2026, 11:44 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Systemic Markers of Collagen Metabolism and Vitamin C in Smokers and Non-Smokers With Pelvic Organ Prolapse

NCT01548105
View directory record Official record
Conditions
Pelvic Organ Prolapse
Interventions
Blood draw for the study participants
Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 17, 2014 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Population Cessation Services

NCT01566994
View directory record Official record
Conditions
Cancer
Interventions
TTM Tailored, Motivational Enhancement Therapy, Integrated Treatment
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 17, 2013 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Mobile Phone Support for the DC Tobacco Quitline

NCT01817842
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mobile EX cessation support, DC Quitline Support, Device Control
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
803 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2013 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Results available

Small Financial Incentives to Promote Smoking Cessation

NCT02737566
View directory record Official record
Conditions
Smoking Cessation
Interventions
Standard Care + Financial Incentives, Standard Care
Behavioral · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Product Susceptibility and Substitutability by Rurality and Alcohol Use

NCT07010601
View directory record Official record
Conditions
Alcohol Use, E-cigarette Use, Cigarette Use
Interventions
Experimental Tobacco Marketplace, Hypothetical Novel Nicotine Product Purchase Tasks
Behavioral
Lead sponsor
Mark J Rzeszutek, PhD
Other
Eligibility
21 Years and older
Enrollment
737 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional

HCV-Smoking Cessation Study

NCT05466981
View directory record Official record
Conditions
Hepatitis C, Smoking Cessation
Interventions
Cognitive Behavioral Counseling
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Phase 3 Interventional

Reducing Ethnic Health Disparities: Motivating HIV+ Latinos to Quit Smoking

NCT00503230
View directory record Official record
Conditions
Tobacco Dependence, HIV Infections
Interventions
Standard Care Intervention (SCI), Culturally Tailored Intervention (CTI)
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
8
States / cities
Lowell, Massachusetts • New Bedford, Massachusetts • Roxbury, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 30, 2026, 11:44 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

An Evaluation of the Tobacco Prevention Toolkit Healthy Futures: Alternative-to-Suspension Vaping Intervention

NCT06483412
View directory record Official record
Conditions
Tobacco Use Cessation, Addiction
Interventions
Healthy Futures: Alternative-to-Suspension Curriculum
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
14 Years to 18 Years
Enrollment
2,540 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 30, 2026, 11:44 AM 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 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Results available

Goal2Quit + NRT Sampling

NCT03837379
View directory record Official record
Conditions
Cigarette Smoking, Smoking Cessation, Depression
Interventions
Treatment as Usual, Goal2Quit + NRT Sampling
Behavioral · Combination Product
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Comparative Pharmacokinetics of Nicotine After Administration Via JUUL or Tobacco Cigarettes

NCT04053868
View directory record Official record
Conditions
Nicotine Administration & Dosage, E-cigarettes, Vaping, E-Liquid, Tobacco Smoking
Interventions
JUUL, Tobacco
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional

Checking Smoking Status as a Routine Vital Sign: A Cluster-Randomized Trial of Its Effect on Cessation Counseling

NCT00245323
View directory record Official record
Conditions
Smoking
Interventions
Smoking status as a routine vital sign
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Phase 3 Interventional Results available

Concurrent Bupropion / Varenicline for Smoking Cessation

NCT01303861
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Bupropion, Nicotine patches, Nicotine Inhaler
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
702 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Charlotte, North Carolina • Durham, North Carolina • Raleigh, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Oct 30, 2026, 11:44 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Electronic Nicotine Delivery Devices and Potential Progression to Acute Lung Injury

NCT05316727
View directory record Official record
Conditions
Acute Lung Injury, Pulmonary Injury, Electronic Cigarette Use, Electronic Cigarette Related Lung Injury
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 30, 2026, 11:44 AM EDT
Recruiting No phase listed Observational

Measuring Communal Coping in Dual-smoking Couples Making a Quit Attempt

NCT07553962
View directory record Official record
Conditions
Smoking (Tobacco) Addiction, Smoking ( Cigarette), Tobacco, Tobacco Abstinence, Quitting Smoking, Smoking Cessation
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Varenicline for Light Smokers

NCT01639560
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Oct 30, 2026, 11:44 AM 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 30, 2026, 11:44 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

A Smoking Intervention Study Using Scheduled Gradual Reduction With Varenicline to Help With Cessation

NCT01772641
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Scheduled Gradual Reduction + Varenicline, Scheduled Gradual Reduction + Placebo Drug, Basic Advice + Varenicline, Basic Advice + Placebo Drug
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of e-Cigarettes on Perceptions and Behavior - Substudy 2

NCT05958966
View directory record Official record
Conditions
Electronic Cigarette Use, E-Cig Use, Cigarette Smoking, Cigarette Use, Electronic
Interventions
E-cigarette e-liquid self-administration
Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 30, 2026, 11:44 AM EDT
Not listed Not applicable Interventional

Development of a Smoking Cessation Video Series

NCT06443294
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Smoking
Interventions
Smoking cessation video series.
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Oct 30, 2026, 11:44 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Cue Reactivity in Virtual Reality: The Role of Context

NCT00862927
View directory record Official record
Conditions
Smoking
Interventions
Breath Sample, Saliva Sample, Questionnaire, View Virtual Reality Scenes
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Oct 30, 2026, 11:44 AM EDT
Completed Phase 2 Interventional

12 Week Evaluation of the Safety and Efficacy of 4 Dosing Strategies of CP-526,555 and Placebo for Smoking Cessation.

NCT00150254
View directory record Official record
Conditions
Smoking Cessation
Interventions
CP-526,555 (varenicline)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
13
States / cities
Los Angeles, California • San Bernardino, California • Upland, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2007 · Synced Oct 30, 2026, 11:44 AM EDT