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Showing 1–24 of 90 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Smokeless tobacco Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT06249984
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 19, 2026, 3:58 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing ANSOS for Efficacy in Multi-Tribal Urban Communities

NCT06566703
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
All Nations Snuff Out Smokeless, Healthy Living
Behavioral
Lead sponsor
Lehigh University
Other
Eligibility
18 Years and older
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Pilot Study Evaluating Nicotine Lozenges and Self Help

NCT00888459
View directory record Official record
Conditions
Smokeless Tobacco Use
Interventions
nicotine replacement therapy, placebo NRT
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Rochester, Minnesota • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Multi-Media Approach to Partner Support in Smokeless Tobacco Cessation (UCare-ChewFree)

NCT01885221
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Multimedia Support Intervention
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional

Telephone Counseling for Snuff Users

NCT00265681
View directory record Official record
Conditions
Smokeless Tobacco, Tobacco Use Cessation
Interventions
Phone counseling and written materials
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Phase 3 Interventional Results available

Nicotine Lozenges for Treatment of Smokeless Tobacco Addiction

NCT00392379
View directory record Official record
Conditions
Smokeless Tobacco Use
Interventions
Nicotine Lozenges, Placebo lozenge
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Rochester, Minnesota • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 23, 2013 · Synced Sep 19, 2026, 3:58 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Use of Allograft Adipose Matrix for Small Joint Arthritis of the Hand

NCT05747469
View directory record Official record
Conditions
Osteoarthritis Hand
Interventions
local anaesthetic injection, Human Adipose Allograft
Drug · Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Sep 19, 2026, 3:58 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Treating Smokeless Tobacco Use in Rural Veterans

NCT02994082
View directory record Official record
Conditions
Smokeless Tobacco, Nicotine Dependence
Interventions
Tailored behavioral intervention, Behavioral activation for elevated depressive symptoms, Post-cessation weight gain management, Alcohol use risk reduction, Nicotine replacement therapy - transdermal nicotine patch, Nicotine replacement therapy - nicotine lozenge, Nicotine replacement therapy - nicotine gum, Bupropion sustained release, Varenicline, Combination nicotine replacement therapy, Combination nicotine replacement therapy + bupropion, Tobacco quit line, Educational materials
Behavioral · Drug
Lead sponsor
Mark Vander Weg
Federal
Eligibility
18 Years to 99 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reduced Nicotine Content Cigarettes and Tobacco Switching Behaviors

NCT02000921
View directory record Official record
Conditions
Tobacco Addiction, Dual Tobacco Use
Interventions
VLNC cigarettes, Combusted Products, Non-combusted products, CN cigarettes
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of a Web-Assisted Quitline for Smokeless Tobacco Users

NCT00820495
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Web + Phone, Web Only, Phone Only, Usual Care
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,683 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
San Diego, California • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 4, 2013 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Nicotine Lozenge to Reduce Smokeless Tobacco Use

NCT00218283
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Lozenge, Behavioral Counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Results available

Resistance Exercise and Knee Osteoarthritis Pain, Functional Impairment and Cartilage Turnover

NCT01245283
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
normal activities and clinical care, Concentric Focused Resistance Exercise, Eccentric Focused Resistance Exercise
Other
Lead sponsor
University of Florida
Other
Eligibility
60 Years to 85 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Sep 19, 2026, 3:58 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 23, 2014 · Synced Sep 19, 2026, 3:58 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Efficacy of Conventional Screening Versus mHealth Screening in Early Detection of Oral Potentially Malignant Disorders and Oral Cancer Amongst the Rural Population of Varanasi: A Prospective and Blinded Study

NCT06535867
View directory record Official record
Conditions
Smoking, Smoking, Cigarette, Smoking, Tobacco, Betel Chewer's Mucosa, Tobacco Use, Tobacco Smoking, Alcohol Drinking, Smokeless Tobacco Hyperkeratosis
Interventions
mHealth
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Results available

Neurocognitive Factors in Substance Use Treatment Response: The Ways of Rewarding Abstinence Project

NCT03799341
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Prize-Based Contingency Management, Treatment As Usual Outpatient Substance Use Treatment
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Toddler Tastes Study

NCT06877468
View directory record Official record
Conditions
Dietary Behavior
Interventions
Associative conditioning, Modeling
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Months and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2026 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional

Conservative Treatment of Mallet Finger Injury

NCT04830917
View directory record Official record
Conditions
Conservatively Treated Mallet Finger Injury
Interventions
Immobilization type for mallet injury
Other
Lead sponsor
Orthopaedic Specialty Group PC, Fairfield
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Fairfield, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Sep 19, 2026, 3:58 PM EDT
Recruiting Not applicable Interventional

A Randomized Controlled Trial of Diabetes Screening Immediately Postpartum (DIP) and Follow Up PP CARE

NCT05909046
View directory record Official record
Conditions
Pre-Gestational Diabetes, Type2diabetes, Pregnancy in Diabetic, Pregnancy, High Risk, Gestational Diabetes, Gestational Diabetes Mellitus in the Puerperium
Interventions
Immediate inpatient postpartum OGTT, Standard of care 4-12 week postpartum OGTT
Diagnostic Test
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Sep 19, 2026, 3:58 PM EDT
Terminated Not applicable Interventional

Interest in Smokeless Tobacco Product as a Substitution for Cigarettes in Current Smokers

NCT01800500
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
smoking cessation intervention, questionnaire administration, quality-of-life assessment, laboratory biomarker analysis, ecigarettes
Behavioral · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 12, 2022 · Synced Sep 19, 2026, 3:58 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Follicle Stimulating Hormone (FSH) Glycosylation in Women: Effect of Estradiol

NCT03868202
View directory record Official record
Conditions
Follicle Stimulating Hormone Glycosylation, Urinary FSH21/FSH24 Ratio, Estradiol Effect
Interventions
Estradiol Transdermal Product
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
20 Years to 55 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smokeless Tobacco Cessation Intervention for Firefighters

NCT05111041
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
#EnufSnuff.TXT- First Responder, Enough Snuff Intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Essential Oils Following IUD Insertion

NCT04927741
View directory record Official record
Conditions
Pain, Muscle, IUD
Interventions
Sweet Marjoram Essential Oil, Grapeseed Oil
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Green Bay, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of FDA Authorized Smokeless Tobacco Claims Among US Adults Who Smoke Cigarettes

NCT06927700
View directory record Official record
Conditions
Tobacco Product Beliefs and Use
Interventions
Modified Risk Claim Type - None, Product Brand - General Snus, Product Brand - Copenhagen, Modified Risk Claim Type - Multiple Diseases, Modified Risk Claim Type - Lung Cancer
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years and older
Enrollment
1,257 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 19, 2026, 3:58 PM EDT
Completed Not applicable Interventional

Nicotine Pharmacokinetics and Subjective Effects of Oral Nicotine Products Relative to Smokeless Tobacco in Adult Users

NCT06691386
View directory record Official record
Conditions
Tobacco Use
Interventions
Test Product A, Test Product B, Test Product C, Test Product D, Test Product E, Reference Product F: Subjects' OBMST
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Bentonville, Arkansas • Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Sep 19, 2026, 3:58 PM EDT