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 27, 2026, 4:20 PM EDT

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

Showing 385–408 of 689 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cigarette Use Clear all
Completed Phase 2 Interventional

Very Low Nicotine Cigarettes in Smokers With Schizophrenia

NCT02019459
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Very low nicotine content cigarettes, standard nicotine content cigarettes
Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 27, 2026, 4:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Screening Protocol for Research Participants

NCT01010620
View directory record Official record
Conditions
Schizophrenia, Substance Abuse, Cocaine Abuse, Tobacco Use Disorder
Interventions
Various Screening psychiatric and medical assessments
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Enrollment
523 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2019
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Extended Facebook Intervention for Young Sexual and Gender Minority Smokers

NCT03553992
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP-6:, TSP-6:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Does Switching to Nicotine Containing Electronic Cigarettes Reduce Health Risk Markers

NCT03625986
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Nicotine-Containing Electronic Cigarette, Non-Nicotine Electronic Cigarette
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Cigarette Pack Constituent Disclosures

NCT02785484
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Label with constituent disclosure message, Label with litter message
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years and older
Enrollment
784 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Solarplast® on Immunity in Active Smokers and Non-smokers

NCT05162820
View directory record Official record
Conditions
Immunity, Smoking, Cigarette
Interventions
100 mg Solarplast, Placebo
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
30 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Banning Menthol Flavorant on Cigarette and E-Cigarette Use

NCT03402243
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Menthol ban on cigarettes, Menthol ban on cigarettes and e-cigarettes, No menthol ban
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 64 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 10, 2021 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Helping Poor Smokers Quit

NCT03194958
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco, Smoking, Cigarette, Smoking, Pipe, Smoking (Tobacco) Addiction, Smoking, Tobacco Use, Tobacco Dependence, Tobacco Use Cessation, Tobacco Smoking, Tobacco; Use, Rehabilitation, Nicotine Dependence, Nicotine Use Disorder, Nicotine Dependence, Cigarettes, Nicotine Dependence Tobacco Product
Interventions
Specialized Quitline, Basic Needs Navigator
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1,944 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 27, 2026, 4:20 PM EDT
Not yet recruiting Not applicable Interventional

AI-Enhanced App-based Intervention for Adolescent E-cigarette Cessation

NCT06965296
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
AI-enhanced smartphone app, AI-enhanced smartphone app, but with delayed access
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
14 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Acute and Chronic Nicotine Modulation of Reinforcement Learning

NCT01830842
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Nicotine polacrilex, Placebo, satiety, abstinence
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2017 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional

Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start-II Study

NCT04646174
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation, American Lung Association self-management strategies for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Phase 2 Interventional Results available

A Controlled Laboratory Study of the Effects on Cue-Induced Craving in Dependent Smokers

NCT00901459
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Active rTMS Condition, rTMS Location Control Condition, rTMS Frequency Control Condition
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 25, 2013 · Synced Oct 27, 2026, 4:20 PM EDT
Not yet recruiting Phase 4 Interventional

Evaluation of Dependence and Nicotine Replacement Therapy-Supported Cessation Efforts Among Regular Electronic Cigarette Use

NCT07786896
View directory record Official record
Conditions
E Cigarette Use, Cessation, Tobacco, Cessation, Nicotine
Interventions
Nicotine Replacement Therapies, Brief Behavioral Counseling
Drug · Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Greenville, North Carolina • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 27, 2026, 4:20 PM EDT
Terminated Not applicable Interventional Results available

Analysis of Aldehyde Biomarkers of Exposure and Host Response

NCT00482690
View directory record Official record
Conditions
Smoking Cessation
Interventions
nicotine polacrilex, nicotine transdermal system, nicotine inhaler
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 27, 2026, 4:20 PM EDT
Terminated Phase 3 Interventional Results available

Varenicline and Alcohol in Inpatient Addictions Program (IAP)

NCT01169610
View directory record Official record
Conditions
Alcoholism, Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 27, 2026, 4:20 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

ACT Lung Health Intervention: Phase Two

NCT06945120
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking, Tobacco, Smoking, Cigarette, Smoking (Tobacco) Addiction
Interventions
ACT Lung Health Intervention
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 100 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Electronic Cigarette Flavors on Abuse Liability in Smokers (P3-Taste)

NCT05971823
View directory record Official record
Conditions
Electronic Cigarette Use
Interventions
Tobacco product administration and assessment
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 27, 2026, 4:20 PM EDT
Completed No phase listed Observational

Mobile App Based Personalized Solutions and Tools for Medication Adherence of Rx Pills

NCT02072005
View directory record Official record
Conditions
Cigarette Smoking
Interventions
mSMART smartphone application
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 31, 2014 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tailored Tobacco Quitline for Rural Veterans

NCT01592695
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine replacement therapy - transdermal nicotine patch, Tailored behavioral intervention, Tobacco quit line referral, Nicotine replacement therapy - nicotine gum, Nicotine replacement therapy - nicotine lozenge, Bupropion Sustained Release, Varenicline, Combination pharmacotherapy - transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - transdermal nicotine patch + bupropion, Alcohol use risk reduction, Behavioral activation for the treatment of depression, Behavioral management of post-cessation weight gain
Drug · Behavioral
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 2, 2019 · Synced Oct 27, 2026, 4:20 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

E-Cigarette and Cigarette Nicotine Delivery and Abuse Liability in Cigarette Smokers and Dual Users

NCT03943706
View directory record Official record
Conditions
Tobacco Use
Interventions
Not listed
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of e-Cigarettes on Perceptions and Behavior - Substudy 1

NCT04399031
View directory record Official record
Conditions
Electronic Cigarette Use, Cigarette Use, Electronic, Vaping, Cigarette Smoking
Interventions
E-cigarette e-liquid
Drug
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pilot Study to Evaluate the Safety and Efficacy of Ariva® Silver Wintergreen in Reducing Cigarette Craving in Smokers

NCT01337830
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva® Silver Wintergreen, Silver Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2014 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparison of Low Yield Cigarettes in African Americans vs. Whites

NCT01058876
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Deuterated nicotine and cotinine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 24, 2013 · Synced Oct 27, 2026, 4:20 PM EDT
Completed Not applicable Interventional

Mindfulness Training for Smoking Cessation

NCT01144689
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking, Nicotine Dependence, Smoking Cessation
Interventions
Mindfulness Training, Smoking Cessation Therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 7, 2016 · Synced Oct 27, 2026, 4:20 PM EDT