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Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: oral nicotine Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Oral Nicotine Pouch Marketing Features Influence on Perceptions

NCT06605924
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 2 Interventional Results available

Free Samples for Health

NCT05627596
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Ask-Advise-Refer, Nicotine Patch, 14 Mg/24 Hr Transdermal Film, Extended Release, Nicotine lozenge
Behavioral · Drug
Lead sponsor
Sandra Japuntich
Other
Eligibility
18 Years and older
Enrollment
1,239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 9, 2026, 1:57 AM 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 9, 2026, 1:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Nicotine Delivery, Subjective Effects, and Sensory Experiences of Tobacco Users Using Oral Nicotine Products and Electronic Cigarettes [ZYN Study]

NCT05030194
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Cigarette Smoking, Smokeless Tobacco Cessation
Interventions
Electronic Cigarette, Oral Nicotine Pouch
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 25, 2023 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

To Assess the Bioequivalence of the 4mg Prototype Mini Nicotine Lozenge to the Reference Product (Nicorette) in Healthy Smokers

NCT03543137
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Prototype Mini lozenge, Nicorette Mini Lozenge
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 2 Interventional Results available

A Study of Cytisinicline for Vaping Cessation in Adult Smokers

NCT05431387
View directory record Official record
Conditions
Vaping, E-Cig Use
Interventions
cytisinicline, Placebo, Behavioral support
Drug · Behavioral
Lead sponsor
Achieve Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Lexington, Kentucky • Boston, Massachusetts • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Recruiting Phase 2 Interventional

Informing Oral Nicotine Pouch Regulations to Promote Public Health

NCT06315881
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Cigarette, Nicotine Oral Pouch, Smokeless Tobacco, Survey Administration, Text Message-Based Navigation Intervention
Procedure · Drug · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Nicotinic Cholinergic System and Cognitive Aging

NCT03408574
View directory record Official record
Conditions
Healthy Aging
Interventions
Nicotine patch, oral mecamylamine, placebo
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 75 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Sep 9, 2026, 1:57 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on IV Nicotine-Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effect

NCT01589081
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Intravenous Nicotine, Progesterone
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Nicotine Film in Smokers

NCT02239770
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Film, Placebo Nicotine Film
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 9, 2026, 1:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Abuse Liability and Appeal of Oral Nicotine Products

NCT06506162
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Flavor, Nicotine concentration
Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 25 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 9, 2026, 1:57 AM 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 9, 2026, 1:57 AM EDT
Completed Phase 2 Interventional Results available

Restoring Cognitive Control (ReCon) in Acute Nicotine Withdrawal

NCT03887429
View directory record Official record
Conditions
Impulse Control Disorders
Interventions
SXC-2023, Placebos
Drug
Lead sponsor
Promentis Pharmaceuticals, Inc.
Industry
Eligibility
25 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
2
States / cities
Lincoln, Nebraska • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Sep 9, 2026, 1:57 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Nicotine Virtual Reality Conditioned Place Preference

NCT06259630
View directory record Official record
Conditions
Nicotine Addiction, Nicotine Use Disorder
Interventions
Nicotine, Placebo oral capsule
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Commonly Used Medications on Mood and Choice

NCT03652740
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Methylphenidate, Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Reward Sensitivity and Pharmacotherapy for Smoking Cessation

NCT02162849
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Varenicline, Nicotine Patch, Placebo Patch, Placebo Tablet, Questionnaires, Counseling Sessions, Lab Session, Saliva Test
Drug · Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 2 Interventional

Study to Investigate the Efficacy and Tolerability of AZD1446 in Adult ADHD Patients.

NCT01012375
View directory record Official record
Conditions
Adult ADHD
Interventions
AZD1446, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
6
States / cities
Los Alamitos, California • Fort Myers, Florida • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Evaluating the Pharmacokinetics and Drug Interaction Potential of the Botanical Dietary Supplement Cinnamon

NCT05157672
View directory record Official record
Conditions
Interaction Drug Food
Interventions
Cinnamon (2 g), Nicotine gum (2.5 mg), Letrozole (2.5 mg)
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Recruiting Not applicable Interventional

Clinical Research Evaluating Smoking Cessation With E-Cigarettes and Nicotine Therapy

NCT06948058
View directory record Official record
Conditions
Smoking Cessation, Obesity and Obesity-related Medical Conditions
Interventions
Electronic Cigarettes (EC), Nicotine replacement therapy (NRT)
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Feasibility of PET/CT to Detect the Oral/Pulmonary Distribution of Nicotine Following E-cigarette Use

NCT03491059
View directory record Official record
Conditions
E-cigarette Use
Interventions
C-11 labeled nicotine, PET/CT imaging
Drug · Radiation
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Sep 9, 2026, 1:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Human Laboratory Study of the Effects of Nicotine Product Claims on Appeal, Perceptions, and Use Behavior

NCT06192316
View directory record Official record
Conditions
Behavior, Risk
Interventions
3x3 between-subjects experimental exposure
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 3 Interventional Results available

Varenicline for Nicotine Dependence Among Those With HIV/AIDS

NCT01710137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Efficacy of Ariva® Silver Wintergreen, a Smoking Aversive Lozenge

NCT01336816
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Sep 9, 2026, 1:57 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Random Nicotine Delivery on Smoking Cessation

NCT03674970
View directory record Official record
Conditions
Smoking Cessation, Cigarette Smoking, Smoking (Tobacco) Addiction
Interventions
Nicotine Film
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Sep 9, 2026, 1:57 AM EDT