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ClinicalTrials.gov public records Last synced Oct 2, 2026, 11:25 AM EDT

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Showing 25–48 of 56 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Smokeless Tobacco Use Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Comparative, Controlled Study to Evaluate the Lay User Accuracy and Performance of the Dip Home-Based Dipstick Analyzer

NCT04466774
View directory record Official record
Conditions
Urine Detectable Acute and Chronic Diseases
Interventions
Dip Home-Based Dipstick Analyzer, Urine analysis predicate device for professional user
Diagnostic Test · Device
Lead sponsor
Healthy.io Ltd.
Industry
Eligibility
18 Years to 80 Years
Enrollment
429 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
3
States / cities
Atlanta, Georgia • Methuen, Massachusetts • Garden City, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2020 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Oral Tobacco Products Compared to a Medicinal Nicotine

NCT00710034
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Oct 2, 2026, 11:25 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Study Assessing the Usability and Patient Satisfaction With Digital Urinalysis in the Context of Routine Pre-natal Care.

NCT03134274
View directory record Official record
Conditions
Pregnancy
Interventions
Dip HBDA
Device
Lead sponsor
Healthy.io Ltd.
Industry
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190103: A Study to Assess Nicotine Pharmacokinetic Parameters After Use of Two Smokeless Tobacco Products

NCT03993795
View directory record Official record
Conditions
Tobacco Use
Interventions
A19010-W, B19010-F
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
6
States / cities
Rogers, Arkansas • Lexington, Kentucky • Springfield, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Highdose Nicotine Patch Therapy for Smokeless Tobacco Use

NCT00939029
View directory record Official record
Conditions
Smokeless Tobacco Use
Interventions
nicotine replacement therapy (nicotine patches), placebo NRT
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Not applicable Interventional Results available

A Test of Short and Long Term Naturalistic Outcomes of Smokers Who Sample Smokeless Tobacco

NCT01509586
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Potentially Reduced Exposure Product (PREP): a smokeless, spit-free tobacco product
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
19 Years and older
Enrollment
1,236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Oct 2, 2026, 11:25 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Metabolism of Deuterated NNN in Smokeless Tobacco Users

NCT02414477
View directory record Official record
Conditions
Tobacco Toxicant Exposure
Interventions
Deuterated NNN
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 2, 2026, 11:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Novel Determinants and Measures of Smokeless Tobacco Use: Study 1

NCT01067586
View directory record Official record
Conditions
Smokeless Tobacco Use, Tobacco Dependence
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
359 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Minneapolis, Minnesota • Eugene, Oregon • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Bupropion SR for Treating Smokeless Tobacco Use

NCT00414180
View directory record Official record
Conditions
Smokeless Tobacco
Interventions
Bupropion SR
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 14, 2011 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Controlled Study of the Ability of a Smokefree Tobacco Product to Increase the Quit Rate Among Cigarette Smokers

NCT00843622
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 17, 2014 · Synced Oct 2, 2026, 11:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers

NCT01692353
View directory record Official record
Conditions
Cardiovascular Disease, Cigarette Smoking
Interventions
Subject's usual brand (UB) tobacco product
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
26 Years to 49 Years · Male only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 2, 2026, 11:25 AM 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 2, 2026 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of Using Tobacco Free Snuff in Reducing Negative Effects of Smokeless Tobacco Use

NCT00218270
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Tobacco free snuff
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 2, 2026, 11:25 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Human Laboratory Study of Smokeless Tobacco Products

NCT01100216
View directory record Official record
Conditions
Smokeless Tobacco
Interventions
Nicotine Lozenge, Stonewall Dissolvable Tobacco Pieces, Camel Snus Frost, Skoal Wintergreen
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Oct 2, 2026, 11:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of Biomarkers of Effect From Chronic Tobacco Usage

NCT01923402
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Not listed
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
35 Years to 60 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 19, 2016 · Synced Oct 2, 2026, 11:25 AM 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 17, 2025 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 2 Interventional

Tobacco Quitlines:Adjunct to Dental Office Tobacco Intervention

NCT00384254
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
5 A, 3 A
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 26, 2011 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 1Phase 2 Interventional

Using Smokeless Tobacco Products With Lower Nicotine Levels to Reduce Negative Effects of Smokeless Tobacco Use

NCT00218244
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Lower Nicotine Smokeless Tobacco Product, Behavioral Counseling
Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 2, 2026, 11:25 AM 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 24, 2013 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Not applicable Interventional

C-FLASH (Cigarillo Flavor and Abuse Liability, Attention, and Substitution in youtH)

NCT04358705
View directory record Official record
Conditions
Smoking Behaviors
Interventions
Aim 1: Online survey, Eye Tracking Activity, Eye tracking survey, Online Experimental Marketplace (ETM), Aim 3 survey, Cognitive Interviews, Supplemental Aim 1 Interviews
Other · Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
16 Years to 28 Years
Enrollment
658 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Comparison Across Treatment Conditions to Reduce Smokeless Tobacco Use

NCT00218296
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Usual Care Group, Reduction Group
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Not applicable Interventional

Tobacco Cessation Via Doctors of Chiropractic

NCT00386945
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief counseling (Ask, Advise, Arrange)
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 26, 2011 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Health Effects of SLT, Cigarette Smoking, and New Tobacco Products

NCT00469079
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine gum and lozenge, Taboka, Camel Snus
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 2, 2026, 11:25 AM EDT
Completed Not applicable Interventional Results available

Individualized vs. Household MRSA Decolonization

NCT01814371
View directory record Official record
Conditions
Staphylococcal Skin Infection, Abscess, Furunculosis, Staphylococcus Aureus, MRSA Infection
Interventions
2% mupirocin ointment, Bleach Bath (dilute), Hygiene Protocol
Drug · Other · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 2, 2026, 11:25 AM EDT