Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 23, 2026, 8:55 PM 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 112 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treating Caregivers Who Smoke at AFCH

NCT06051474
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine Replacement Product
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 2 Interventional Results available

Bupropion in Helping Adults Stop Smoking

NCT00534001
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
bupropion hydrochloride, placebo
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate Changes in Smokers Using Oral Tobacco-derived Nicotine Products.

NCT03692078
Conditions
Tobacco Use
Interventions
OTDN product 1, OTDN product 2, Tobacco Cessation
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
Springfield, Missouri • Neptune City, New Jersey
Conditions
Oropharyngeal Cancer, HPV-Related Carcinoma
Interventions
combined HPV 16 DNA and host gene methylation oral biomarker panel
Diagnostic Test
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
3
States / cities
Tampa, Florida • Omaha, Nebraska • Pittsburgh, Pennsylvania
Conditions
Smoking
Interventions
Kava, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Recruiting Phase 1 Interventional Accepts healthy volunteers

Oral Cannabidiol for Tobacco Cessation

NCT05445804
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation
Interventions
300 mg Cannabidiol, 600 mg Cannabidiol, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 4 Interventional Accepts healthy volunteers

A Comparison of Bupropion SR and Placebo for Smoking Cessation

NCT00176449
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
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
Smoking Prevention Usual Care, Counseling Intervention
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2016
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Oral Nicotine Pouch Marketing Features Influence on Perceptions

NCT06605924
Conditions
Tobacco Use
Interventions
Tobacco-free, Discrete, Convenient
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
13 Years to 120 Years
Enrollment
5,133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT07694492
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
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Carbon Monoxide Measurement, Nicotine Oral Pouch, Questionnaire Administration, Smoke usual brand cigarette
Procedure · Drug · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Placebo Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Martinsburg, West Virginia
Conditions
Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Interventions
Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 4 Interventional Results available

Bupropion for Smoking Cessation During Pregnancy

NCT01390246
Conditions
Pregnancy Related, Tobacco Use Disorder
Interventions
Bupropion SR, Smoking Cessation Counseling, Placebo
Drug · Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Alcohol Use, E-cigarette Use, Cigarette Use
Interventions
Experimental Tobacco Marketplace, Hypothetical Novel Nicotine Product Purchase Tasks
Behavioral
Lead sponsor
Mark J Rzeszutek, PhD
Other
Eligibility
21 Years and older
Enrollment
737 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lexington, Kentucky
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 Results available

Acceptability of Less Harmful Alternatives to Cigarettes

NCT00957424
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
telephone-based intervention, nicotine replacement therapy, informational intervention, internet-based intervention, questionnaire administration
Behavioral · Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Cigarette Smoking
Interventions
Low-nitrosamine smokefree tobacco product for oral use, Non-tobacco, non-nicotine placebo product
Drug · Other
Lead sponsor
Swedish Match AB
Industry
Eligibility
25 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Daytona Beach, Florida • Evansville, Indiana • Portland, Oregon + 1 more
Conditions
Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Nicotine Oral Pouch, Questionnaire Administration, Smokeless Tobacco
Procedure · Drug · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Progesterone for Smoking Relapse Prevention Following Delivery

NCT01972464
Conditions
Tobacco Use Disorder
Interventions
Progesterone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Oral Tobacco Products Compared to a Medicinal Nicotine

NCT00710034
Conditions
Tobacco Use Disorder
Interventions
Oral tobacco, Nicotine Gum
Other · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
391 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Minneapolis, Minnesota • Eugene, Oregon
Completed Not applicable Interventional Results available

Switching to Potential Reduced Exposure Products in Adult Smokers

NCT04250727
Conditions
Tobacco Use Disorder, Oral Nicotine Pouch Use, Smoking Behaviors, Harm Reduction, Toxic Effect of Tobacco and Nicotine, Carcinogenesis
Interventions
ZYN
Device
Lead sponsor
Yale University
Other
Eligibility
21 Years to 77 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
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
Cannabis Smoking, Oxidative Stress
Interventions
Bronchoscopy, Chest X-ray, Venipuncture, Intravenous Catheter
Procedure · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Aurora, Colorado