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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Lobeline Clear all
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 29, 2025 · Synced Sep 2, 2026, 9:13 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 2, 2026, 9:13 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 2, 2026, 9:13 PM EDT
Completed Phase 2 Interventional

Effectiveness of Lobeline in Treating Symptoms of ADHD in Adult Patients

NCT00664703
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Lobeline sulfate, Methylphenidate HCl, Placebo
Drug
Lead sponsor
Yaupon Therapeutics
Industry
Eligibility
21 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Sep 2, 2026, 9:13 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 2, 2026, 9:13 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 2, 2026, 9:13 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 2, 2026, 9:13 PM 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 5, 2024 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Methods Project 4: Clinical Trial

NCT01867242
View directory record Official record
Conditions
Smoker
Interventions
Cigarettes, Snus
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
3
States / cities
Minneapolis, Minnesota • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190101: A Study to Assess Nicotine Pharmacokinetic Parameters After Use of Two Smokeless Tobacco Products

NCT03993769
View directory record Official record
Conditions
Tobacco Use
Interventions
A19010-F, B19010-F
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
64 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 24, 2019 · Synced Sep 2, 2026, 9:13 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

To Assess the Safety and Tolerability of 7.5, 15 and 30 mg of Sublingual Lobeline. - 1

NCT00100074
View directory record Official record
Conditions
Amphetamine-Related Disorders
Interventions
Lobeline
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional

Distal Peripheral Neuropathy in Type 2 Diabetes

NCT05104047
View directory record Official record
Conditions
Peripheral Neuropathy, Pain, Neuropathic, Diabetes
Interventions
Moxibustion - Traditional (Active), Moxibustion - Smokeless - (Active), Placebo Moxibustion
Other
Lead sponsor
New York University
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2023 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Brief Tobacco Intervention in the US Military

NCT03196102
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Smoking, Cigar, Smoking, Pipe, Smoking, Hookah, Nicotine Dependence
Interventions
BTI, Cigarette smoking military tailored pamphlet, Standard smoking cessation intervention
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
2,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Sep 2, 2026, 9:13 PM 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 24, 2019 · Synced Sep 2, 2026, 9:13 PM 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 25, 2011 · Synced Sep 2, 2026, 9:13 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Nornicotine in Smokeless Tobacco as a Precursor for Carcinogen Exposure

NCT03998735
View directory record Official record
Conditions
Smokeless Tobacco
Interventions
Herbal Snuff (Smokeless Tobacco)
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional

Addressing Tobacco Use Disparities Through an Innovative Mobile Phone Intervention

NCT02613689
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
Scheduled Gradual Reduction (SGR), Text Messages
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Early Phase 1 Interventional

Examining the Impact of Nicotine Pouches in Rural Ohio and Ohio Appalachia

NCT05730439
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 2, 2026, 9:13 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 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an Oral Nicotine Product in Smokeless Tobacco Users

NCT05280769
View directory record Official record
Conditions
Tobacco Use
Interventions
oral nicotine pouch - 2 mg, oral nicotine pouch - 4 mg, oral nicotine pouch - 8 mg, Smokeless tobacco
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 2, 2026, 9:13 PM EDT
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 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190102: A Study to Assess Nicotine Pharmacokinetic Parameters After Use of Two Smokeless Tobacco Products

NCT03993782
View directory record Official record
Conditions
Tobacco Use
Interventions
A19010-R, B19010-O
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
65 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 24, 2019 · Synced Sep 2, 2026, 9:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Text-based Reduction Intervention for Smokeless Tobacco Cessation- Pilot Study

NCT06637358
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
Extended Scheduled Gradual Reduction (SGR), Quit Coach
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 2, 2026, 9:13 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 2, 2026, 9:13 PM EDT