Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 2, 2026, 10:47 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Vaping
Interventions
Videos featuring influencers promoting e-cigarettes alongside healthy lifestyle activities
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 24 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Ariva Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Martinsburg, West Virginia
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Inhibitory Control Training to Reverse EA-linked Deficits in Mid-life

NCT02945371
Conditions
Smoking, Alcohol Drinking, Prescription Drug Abuse, Substance-Related Disorders, Oral Intake Reduced
Interventions
Person-centered inhibitory control training, Active behavioral response training
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
35 Years to 55 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
Tobacco Use Cessation, Cigarette Smoking
Interventions
Online intervention arm, Online control arm
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 30 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Phase 2 Interventional Accepts healthy volunteers

Exenatide for Smoking Cessation and Prevention of Weight Gain

NCT05610800
Conditions
Smoking Cessation, Weight Gain
Interventions
Exenatide 2 milligram (mg) Injection, Placebo, Nicotine patch, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Houston, Texas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

UW Quitting Using Intensive Treatment Study (QUITS)

NCT03176784
Conditions
Tobacco Dependence
Interventions
Varenicline, Nicotine patch, Placebo Patch, Placebo Pill
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Conditions
Smoking Cessation
Interventions
Transcranial Direct Current Stimulation (tDCS), Mindfulness, Sham - Transcranial Direct Current Stimulation (tDCS)
Device · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Lung Health and Breath Biomarkers: Acute Effects of Inhaled Cannabis

NCT07694466
Conditions
Cannabis Use, Tobacco, Biomarkers
Interventions
Cannabis (THC), Tobacco Cigarette
Drug
Lead sponsor
Hannah Harris
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Asthma, COPD
Interventions
Exhaled Breath Condensate (EBC)
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Schizophrenia, Cognition, Cigarette Smoking
Interventions
tDCS
Device
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Orangeburg, New York
Completed No phase listed Observational Accepts healthy volunteers

Saliva-based Detection of CD44

NCT03148665
Conditions
Oral Cavity Squamous Cell Carcinoma, Oropharynx Squamous Cell Carcinoma, Squamous Cell Carcinoma of the Oropharynx, Squamous Cell Carcinoma of the Head and Neck
Interventions
OncAlert
Device
Lead sponsor
Joseph Califano
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
4
States / cities
La Jolla, California • Baltimore, Maryland • New York, New York
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia

NCT01213524
Conditions
Tobacco Use Disorder, Schizophrenia
Interventions
sensorimotor replacement, 42 mg transdermal nicotine replacement, Placebo transdermal nicotine, usual brand smoking
Behavioral · Drug · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 99 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active inhaled cannabis, Placebo, Active Oral Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study I

NCT02709954
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active inhaled delta-9-THC, Placebo, Active Oral Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Nicotine Dependence
Interventions
mSMART, Chantix
Device · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Behavior, Health Risk, Implementation Science, E Cigarette Use, Cessation, Smoking, Incentives, Engagement, Patient, Peer Support, Media Literacy
Interventions
Text-massaging suport, Financial incentive, Media literacy
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
Bupropion-SR, Placebo
Drug · Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
12 Years to 25 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Tobacco Use Disorder, Tobacco Smoking, Tobacco Dependence
Interventions
Cannabidiol (CBD) 800 mg, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
North Hollywood, California
Conditions
Tobacco Use
Interventions
THC
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examining the Effect of the Nicotine Patch in Male and Female Smokers - 3

NCT00390559
Conditions
Drug Addiction, Smoking Cessation
Interventions
Nicotine transdermal system, Nicotine containing cigarette, Placebo cigarette
Drug · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 50 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Richmond, Virginia
Completed Not applicable Interventional Accepts healthy volunteers

Trial for Harm Reduction With Incentives & Vaping E-cigarettes

NCT06111053
Conditions
Obesity, Smoking Cessation
Interventions
ENDS, CI, No ENDS, NI
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Tobacco Use Disorder
Interventions
Memantine, bupropion, placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Real Time fMRI and Quitting Smoking

NCT03302026
Conditions
Nicotine Use Disorder
Interventions
Realtime biofeedback using fMRI
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Smoking Cessation
Interventions
Self-help materials, nicotine patch, Smartphone-delivered automated treatment, Counseling
Behavioral · Drug · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma