Independent directory Public ClinicalTrials.gov records United States
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 26, 2026, 5:10 AM EDT

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

Showing 1–24 of 182 matching trials from the live ClinicalTrials.gov search.
Recruiting Not applicable Interventional Accepts healthy volunteers

Primary Connections for Youth and Families

NCT05964010
Conditions
Substance Use
Interventions
Standard Screening, Standard Psychoeducation, Standard Brief Negotiated Interview (BNI), Standard Referral to Treatment (RT), Family Screening, Family Psychoeducation, Family Brief Negotiated Interview (BNI), Family Facilitated Conversation (FC) & Referral to Treatment (RT)
Behavioral
Lead sponsor
The National Center on Addiction and Substance Abuse at Columbia University
Other
Eligibility
12 Years to 17 Years
Enrollment
2,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

YMCA Exercise Intervention for Smoking Cessation Study

NCT03080090
Conditions
Nicotine Dependence
Interventions
Aerobic exercise, Smoking Cessation Intervention
Behavioral
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Austin, Texas
Conditions
Diabetic Foot Ulcers
Interventions
ATG002 (study drug)
Drug
Lead sponsor
CoMentis
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
13
States / cities
Homewood, Alabama • Phoenix, Arizona • Tucson, Arizona + 10 more
Conditions
Antibiotics, Upper Respiratory Infections, Safety-Net Hospitals, Behavioral Economics, Choosing Wisely
Interventions
Nudge using Behavioral Economic Interventions, Standard Practices to Reduce Health System Antibiotic Prescription
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Tobacco Use Disorder/Cigarette Smoking
Interventions
Working Memory Training + Behavioral Intervention
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Low Nicotine Content Cigarettes in Vulnerable Populations: Opioid Use Disorder

NCT04092101
Conditions
Tobacco Use Disorder
Interventions
Cigarettes with varying nicotine content, E-Cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
21 Years to 70 Years
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of E-Cigarette Power and Nicotine Content in Dual Users and Vapers

NCT03830892
Conditions
Electronic Cigarettes
Interventions
E-cigarette Lab Session 15 watts, 10 mg nicotine, E-cigarette Lab Session 15 watts, 30 mg nicotine, E-cigarette Lab Session 30 watts, 10 mg nicotine, E-cigarette Lab Session 30 watts, 30 mg nicotine, Own Brand Session - E-cigarette, Own Brand Session - E-cigarette/Cigarette
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
HIV, AIDS, Nicotine Dependence
Interventions
Bupropion, Brief Counseling, High-magnitude prize contingency management, Monitored support to quit smoking, No additional treatment, Prize contingency management for abstinence, Low intensity prize contingency management
Drug · Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Detroit, Michigan
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment for Employable Californians, Total IMPACT Study

NCT02478697
Conditions
Tobacco Dependence
Interventions
ProChange ExpertSystem
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
3
States / cities
Menlo Park, California • San Francisco, California • San Rafael, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project 2 Cigarette and E-cigarette Nicotine Content and E-liquid Flavors

NCT03185546
Conditions
Smoking
Interventions
NNC Spectrum Cigarette, VLNC Spectrum Cigarette, Moderate nicotine level e-liquid, Low nicotine level e-liquid, Tobacco Flavors, Tobacco and non-tobacco e-liquid flavors
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Philadelphia, Pennsylvania
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of Low and High Nicotine Tobacco Free Nicotine Pouches

NCT06678789
Conditions
Cigarette Smoking, Nicotine Dependence, Smoking Cessation
Interventions
High Nicotine Dose, Low Nicotine Dose
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Phase 4 Interventional Results available

Tobacco Treatment Comparison for Cancer Care

NCT06218823
Conditions
Smoking Cessation, Cancer
Interventions
Transdermal Nicotine Patch, Standard Telephone Counseling, Varenicline, Cancer-Targeted Telephone Counseling, Mailed Information about Standard Care Resources
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
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
Completed Phase 1Phase 2 Interventional Results available

Nicotine Treatment of Cognitive Decline in Down Syndrome

NCT01778946
Conditions
Down Syndrome, Mild Cognitive Impairment
Interventions
Low Dose Nicotine (7mg), Moderate Dose Nicotine (14mg)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
25 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility of Delivering VergeRx at FQHCs

NCT06161675
Conditions
Tobacco Use Cessation
Interventions
QuitAid, SmokefreeTXT, Nicotine Replacement Therapy Patch, Nicotine lozenge
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Smoking Cessation, Social Stress
Interventions
Social Support, NRT Sampling
Behavioral · Drug
Lead sponsor
Jessica Burris
Other
Eligibility
18 Years to 75 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Completed Not applicable Interventional Accepts healthy volunteers

Smoking and Ventricular Repolarization

NCT03916341
Conditions
Sudden Cardiac Death, Prolonged QTc Interval
Interventions
EC with nicotine, EC without nicotine, control, TC with nicotine (own brand), research TC with very low level nicotine
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low Nicotine Content Cigarettes in Vulnerable Populations: Women of Reproductive Age

NCT04092387
Conditions
Tobacco Use Disorder
Interventions
Varying the nicotine content of cigarettes, E-Cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
21 Years to 44 Years · Female only
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Conditions
Nicotine Dependence
Interventions
Behavioral Counseling, Self-help control
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Metformin During Nicotine Withdrawal

NCT03593538
Conditions
Smoking, HIV-1-infection
Interventions
Metformin, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Low Blood Pressure, Parkinsons Disease
Interventions
Nicotine gum
Dietary Supplement
Lead sponsor
New York Institute of Technology
Other
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
Tobacco Use, Cigarette Use
Interventions
Emotion-based messages about the harm of VLNC, Continued-harm-framed messages about the harm of VLNC, Myth-refuting messages about the harm of VLNC, Control messages about littering
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Tobacco Use Disorder, Homelessness
Interventions
Nicotine Patches, mobile contingency management (mCM), Smoking cessation counseling, Nicotine rescue method, Bupropion
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff

NCT06249984
Conditions
Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Carbon Monoxide Measurement, Smokeless Tobacco Use, Survey Administration
Procedure · Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Columbus, Ohio