Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 265–288 of 2,331 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Empower Korean Families to End Tobacco Use & Smoking Exposure

NCT04079569
View directory record Official record
Conditions
Smoking Cessation, Lifestyle Risk Reduction
Interventions
Tobacco, Healthy Living
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Leandro, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility and Acceptability of a Text Messaging Intervention to Increase Smoking Cessation in Vietnam

NCT03219541
View directory record Official record
Conditions
Smoking
Interventions
Interventional Automated mobile phone text, Control Automated mobile phone text
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Investigation Of The Effects Of Food On The Absorption Of A Varenicline Controlled Release Formulation

NCT00731562
View directory record Official record
Conditions
Pharmacokinetics, Bioavailability, Smoking Cessation
Interventions
Varenicline Tartrate Controlled Release
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
East Grand Forks, Minnesota • Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jan 11, 2010 · Synced Oct 19, 2026, 11:37 PM EDT
Withdrawn Phase 2 Interventional

Cotinine Feedback as an Intervention to Change Parental/Caregiver Smoking Behavior Around Children With Cancer

NCT01828502
View directory record Official record
Conditions
Pediatric Cancer
Interventions
Education, Cotinine Education
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
10
States / cities
Wilmington, Delaware • Fort Myers, Florida • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2014 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Phase 4 Interventional Results available

Novel Pharmacotherapy Approaches in Smokers With Serious Mental Illness

NCT04011280
View directory record Official record
Conditions
Bipolar Disorder, Schizophrenia, Schizoaffective Disorder, Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 19, 2026, 11:37 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers

NCT06264154
View directory record Official record
Conditions
Smoking, Tobacco Use, Cigarette Smoking, E-Cig Use
Interventions
E-cigarettes
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Completed No phase listed Observational

Role of an E-cigarette on Smoking Displacement in Smokers With Schizophrenia

NCT03075202
View directory record Official record
Conditions
Schizophrenia and Related Disorders
Interventions
e-cigarette, brand name JUUL
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2019 · Synced Oct 19, 2026, 11:37 PM EDT
Completed No phase listed Observational

Evaluation of Cardiovascular Effects of Smoking Cessation in HIV Patients

NCT00918073
View directory record Official record
Conditions
HIV Infections, Smokers
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 7, 2013 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Sedatives on Tobacco Use Disorder Version 2

NCT05505630
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Ketamine, Midazolam, Dexmedetomidine, Saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Phase 2Phase 3 Interventional Results available

PRecision Interventions for SMoking in the SCCS

NCT03521141
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Nicotine patch, Varenicline, Nicotine metabolism, Genetically-informed lung cancer risk score, NCI "Clearing the Air"
Drug · Genetic · Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

E-cigarette Switching Older Adults

NCT06534905
View directory record Official record
Conditions
Tobacco Use, Opioid Use Disorder, Tobacco-Related Disorders
Interventions
E-cigarette, Control/Standard Advice
Other · Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
50 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers

NCT01692353
View directory record Official record
Conditions
Cardiovascular Disease, Cigarette Smoking
Interventions
Subject's usual brand (UB) tobacco product
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
26 Years to 49 Years · Male only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Not applicable Interventional Results available

Clinical Reminder Changes to Increase Smoking Cessation Treatment in Outpatient Psychiatry

NCT04071795
View directory record Official record
Conditions
Smoking Cessation
Interventions
Opt-Out Reminder, Opt-In Reminder
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2023 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Trial of a Game Embedded in a Smartphone App for Smoking Cessation

NCT05227027
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Game Module, Smoke Free smartphone application
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 3, 2024 · Synced Oct 19, 2026, 11:37 PM EDT
Not listed Phase 2 Interventional

Computer-Assisted Stop-Smoking Program in Helping Doctors Counsel Patients Who Smoke Cigarettes

NCT00865553
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
computer-assisted smoking cessation intervention, cancer prevention, educational intervention, survey administration
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 19, 2026, 11:37 PM EDT
Recruiting Not applicable Interventional

Personalized Tobacco Treatment in Primary Care (MOTIVATE)

NCT05846841
View directory record Official record
Conditions
Physician's Role, Smoking Cessation, Smoking
Interventions
Precision Treatment, Usual Care
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Not yet recruiting Phase 4 Interventional

Varenicline for Smoking Cessation in Pancreatitis

NCT07874841
View directory record Official record
Conditions
Pancreatitis, Chronic Pancreatitis, Acute Pancreatitis (AP), Recurrent Acute Pancreatitis
Interventions
Varenicline (VAR)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Recruiting Phase 2 Interventional

Breathe Easier With Tadalafil Therapy for Dyspnea in COPD-PH

NCT05937854
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension, Dyspnea
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 89 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
5
States / cities
Aurora, Colorado • Decatur, Georgia • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Cancer Disparities Among Latinos in Texas

NCT01504919
View directory record Official record
Conditions
Psychosocial Problem
Interventions
Health Education, Questionnaires, Telephone Counseling Sessions, Nicotine Patches
Behavioral · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Nicotine Plasma Concentrations and Subjective Effects for Three Electronic Cigarettes vs Combustible Cigarettes and Nicotine Gum

NCT02269514
View directory record Official record
Conditions
Smoking
Interventions
Own Brand Cigarette, Electronic Cigarette #1, Electronic Cigarette #2, Electronic Cigarette #3, Leading U.S. Nicotine Gum
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 4, 2018 · Synced Oct 19, 2026, 11:37 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Smoking Response Inhibition Training

NCT02218944
View directory record Official record
Conditions
Smoking Cessation
Interventions
Response Inhibition Training
Behavioral
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 45 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Oct 8, 2014 · Synced Oct 19, 2026, 11:37 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility of a Medical-Legal Partnership Model to Connect Coal Miners QuitAid

NCT07694492
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder, Nicotine Dependence, Smokeless Tobacco Use
Interventions
QuitAid (pharmacist-delivered MTM), Nicotine Replacement Therapy (NRT)
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 19, 2026, 11:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Association Between Smoking, Brain Activity, Genes, and ADHD

NCT00915798
View directory record Official record
Conditions
Smoking, Withdrawal Nicotine, ADHD
Interventions
Cigarette smoking, Abstinence
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 45 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2017 · Synced Oct 19, 2026, 11:37 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline Treatment for Active Alcoholic Smokers

NCT01347112
View directory record Official record
Conditions
Smoking, Tobacco Dependence, Alcohol Dependence
Interventions
Varenicline, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 19, 2026, 11:37 PM EDT