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ClinicalTrials.gov public records Last synced Oct 12, 2026, 12:03 AM EDT

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Showing 241–264 of 1,795 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Tobacco Products Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Abuse Liability for Five Modern Oral Nicotine Products

NCT07132814
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product F, Product N
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 12, 2026, 12:03 AM EDT
Active, not recruiting Not applicable Interventional

A Future Thinking Intervention for Comorbid Tobacco Use Disorder and Bipolar Disorder

NCT06609902
View directory record Official record
Conditions
Bipolar Disorder, Tobacco Use Disorder
Interventions
Future Self-BD, Daily Check-Ins
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Impact of Alternative Nicotine-Delivery Products on Combustible Cigarette Use

NCT04084210
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Juul Electronic cigarette, Very Low Nicotine Cigarettes, Active Nicotine Patch, Placebo Patch
Device · Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Phase 2 Interventional

Effects of Labetalol on Nicotine Administration in Humans - 14

NCT00000297
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Labetalol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Comparison of Bupropion SR and Placebo for Smoking Cessation

NCT00176449
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion SR, Placebo Oral Tablet
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2019 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dual Use of ENDS and Combustible Cigarettes

NCT05280535
View directory record Official record
Conditions
Smoking, Cigarette, Electronic Cigarette Use
Interventions
Cue Reactivity Task, Computerized Visual Dot Probe, Choice Task
Behavioral
Lead sponsor
Brown University
Other
Eligibility
21 Years to 34 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Phase 4 Interventional

The Long-Term Quitting (Smoking Cessation) Study

NCT02564315
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Mini-Lozenge for 11 Months, Preparation Phase Behavioral Reduction Counseling, Preparation Phase Recycling Counseling, Preparation Phase Control Treatment, Cessation Phase Supportive Counseling, Cessation Phase Skill Training Counseling, Cessation Phase Brief Information, Cessation Phase Nicotine Patch + Nicotine Mini-Lozenge
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Zileuton With or Without Celecoxib As Chemopreventive Agents in Smokers

NCT01021215
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Zileuton, Celecoxib, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2015 · Synced Oct 12, 2026, 12:03 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Journey of Transformation Curriculum for Native American Adolescents

NCT05274217
View directory record Official record
Conditions
Alcohol Use, Tobacco Use, Substance Use, Sexual Health
Interventions
Journey of Transformation-Native Youth Health Leadership Program curriculum
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
13 Years to 16 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smoking Cessation Behavioral Treatment Study

NCT03948893
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Mindfulness-Oriented Recovery Enhancement (MORE), Cognitive Behavioral Therapy (CBT)
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
Columbia, Missouri • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low Nicotine Cigarettes, Smoking, and Chronic Pain

NCT05032755
View directory record Official record
Conditions
Chronic Pain, Smoking, Cigarette
Interventions
SPECTRUM NRC 102/103 investigational cigarettes, SPECTRUM NRC 600/601 investigational cigarettes
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 12, 2026, 12:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Nicotine Receptor Levels and Smoking Cessation

NCT01788943
View directory record Official record
Conditions
Smoking Cessation, Nicotine Addiction
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Oct 12, 2026, 12:03 AM 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 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Results available

Adjunctive Mood Management for Telephone-based Smoking Cessation

NCT02500589
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Behavioral mood management, Health education
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 12, 2026, 12:03 AM EDT
Recruiting Not applicable Interventional

Low Intensity Focused Ultrasound for Tobacco Use Disorder: High Resolution Targeting of the Human Insula

NCT06405074
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
low intensity focused ultrasound (LIFU)
Device
Lead sponsor
Washington D.C. Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 12, 2026, 12:03 AM EDT
Recruiting Not applicable Interventional

Quitting Matters Human Immunodeficiency Virus Hybrid Trial

NCT06883097
View directory record Official record
Conditions
Tobacco, Tobacco Abstinence, Smoking Cessation, Smoking Cessation; Tobacco Dependence, Human Immunodeficiency Virus (HIV), Tobacco Dependence Caused by Cigarettes, Cancer Prevention
Interventions
Learn to Quit-HIV (LTQ-H) App, QuitStart
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Social Media Influences on Perceptions of Alternative Nicotine and Nicotine-like Vaping Products Among Youth and Young Adults (AYA)

NCT07849790
View directory record Official record
Conditions
Vaping
Interventions
An image resembling a social media post
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
14 Years to 25 Years
Enrollment
2,829 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Faith Based Pilot Intervention to Reduce Tobacco Use Among Somali Males

NCT03379142
View directory record Official record
Conditions
Tobacco Use, Faith-Based, Community-engaged, Text Messaging
Interventions
Faith-Based messages
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 79 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 4, 2020 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Menthol Flavored E-cigarette Use During a Simulated Ban of Menthol Cigarettes

NCT03164668
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
menthol flavored e-cigarette, tobacco flavored e-cigarette
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 64 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional

Tobacco Cessation Care for Cancer Patients by Automated Interactive Outreach

NCT05829824
View directory record Official record
Conditions
Cancer, Tobacco Dependence, Tobacco Use Cessation
Interventions
CareConnect, AutoReach, Biospecimen samples
Behavioral · Other · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2026 · Synced Oct 12, 2026, 12:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Nicotine on Areas of Impaired and Preserved Functioning in Schizophrenia

NCT01034085
View directory record Official record
Conditions
Nicotine Dependence, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Not applicable Interventional Results available

Screening to Augment Referral to Treatment- Project START

NCT01539525
View directory record Official record
Conditions
Alcohol Abuse, Tobacco Use Disorder, Marijuana Abuse, Substance-Related Disorders
Interventions
Motivational Interview, Treatment as Usual
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 12, 2026, 12:03 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Ketamine and Motivational Enhancement Therapy for the Treatment of Tobacco Use Disorder

NCT05796791
View directory record Official record
Conditions
Tobacco Use, Smoking Cessation, Nicotine Dependence
Interventions
Ketamine Hydrochloride, Motivational enhancement therapy
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 12, 2026, 12:03 AM EDT