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Showing 1–24 of 1,145 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nicotine Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Use of Nicotine Pouches Among Daily Smokers

NCT06043362
View directory record Official record
Conditions
Tobacco Dependence
Interventions
0 mg nicotine pouch, 3 mg nicotine pouch, 6 mg nicotine pouch, Smooth nicotine pouch, Wintergreen nicotine pouch
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Hershey, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Internet Stop Smoking Intervention to Usual Care on Smoking Cessation at 6 Months

NCT01639079
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Internet Smoking Cessation Web Site
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 90 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Lozenges and Assisted Self-help for Smokeless Tobacco Cessation

NCT01341938
View directory record Official record
Conditions
Smokeless Tobacco Cessation
Interventions
Commit® nicotine lozenges (4 mg) & self-help materials, Commit® nicotine lozenges (4 mg) & phone counseling & self-help materials, Phone counseling & self-help materials
Drug · Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,067 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

Nicotine and Behavior in Adult ADHD

NCT00573248
View directory record Official record
Conditions
ADHD
Interventions
Nicotine, Placebo
Drug · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 45 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

A Pilot Clinical Trial of Varenicline as a Treatment for Alcohol Dependence

NCT01011907
View directory record Official record
Conditions
Substance Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 75 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Emeryville, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2013 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

Enhancing a High School Based Smoking Cessation Program

NCT01145001
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Cognitive Behavioural Therapy, Contingency Management, Nicotine Transdermal Patch
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
14 Years to 19 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

Targeting HIV Retention and Improved Viral Load Through Engagement ('THRIVE')

NCT04481373
View directory record Official record
Conditions
Human Immunodeficiency Virus, Depression, Anxiety
Interventions
THRIVE, Treatment as Usual
Behavioral · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 4 Interventional Results available

Identifying Optimal Smoking Cessation Intervention Components (Cessation)

NCT01116986
View directory record Official record
Conditions
Smoking, Smoking Cessation, Nicotine Dependence
Interventions
Counseling before quit attempt, Minimal In-person counseling during quit attempt, Intensive in-person counseling during the quit attempt, Minimal phone counseling during the quit attempt, Intensive phone counseling during the quit attempt, Long Term Nicotine Patch+ Nicotine Gum During Quit Attempt, Short Term Nicotine Patch + Nicotine Gum during the quit attempt, Pre-Quit Nicotine Gum, Pre-Quit Nicotine Patch, Pre-Quit Nicotine Patch + Pre-Quit Nicotine Gum
Behavioral · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 10, 2015 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Trial of the Safety, Tolerability and Efficacy of TransCon hGH Weekly Versus Daily hGH in Children With Growth Hormone Deficiency (GHD)

NCT02781727
View directory record Official record
Conditions
Growth Hormone Deficiency, Pediatric, hGH (Human Growth Hormone), Endocrine System Diseases, Hormones, Pituitary Diseases
Interventions
Once weekly subcutaneous injection of TransCon hGH, Once daily subcutaneous injection of Genotropin
Drug
Lead sponsor
Ascendis Pharma Endocrinology Division A/S
Industry
Eligibility
3 Years to 12 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
16
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Pharmacokinetic Evaluation of Two Nicotine Patches in Smokers

NCT01702519
View directory record Official record
Conditions
Smoking
Interventions
nicotine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Jul 21, 2026, 6:45 AM EDT
Withdrawn Not applicable Interventional

Korean Youth Smoking Cessation Study

NCT02021175
View directory record Official record
Conditions
Smoking
Interventions
Tailored CBME Therapy via Technology, Standard of Care
Behavioral · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
14 Years to 19 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Jul 21, 2026, 6:45 AM EDT
Completed No phase listed Observational

Yale Pink and Blue Kids: Effects of Exposure During Pregnancy to Nicotine or Antidepressants in 4-8 Year Old Children

NCT01640600
View directory record Official record
Conditions
Behavioral Problems, Cognitive Problems, Motor Development
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
4 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

GABA (Gamma Amino Butyric Acid) Medication for Tobacco

NCT00644137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
pregabalin, cigarettes
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional

Testing the Effect of ENDS Flavors on Neurotransmission

NCT05836051
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Flavor
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Results available

Integrated Treatment for Smoking Cessation & Anxiety in People With HIV

NCT01393301
View directory record Official record
Conditions
Nicotine Dependence, Symptoms of Anxiety, HIV
Interventions
Integrated cognitive-behavioral therapy for smoking cessation and anxiety, Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Galantamine for Cognition in People With Schizophrenia

NCT00320736
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
galantamine
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2009 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional

Project 2: Strategies for Reducing Nicotine Content in Cigarettes

NCT02139930
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Smoking
Interventions
Normal Nicotine Control Group, Immediate Nicotine Reduction Group, Gradual Nicotine Reduction Group
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
10
States / cities
Phoenix, Arizona • San Francisco, California • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Phase 2 Interventional Results available

CAN-DOSE Study: Cessation With Augmented Nicotine for Dual Use Of Smoking and E-cigarettes

NCT06087328
View directory record Official record
Conditions
Smoking Cessation, Electronic Cigarette Use, Cigarette Smoking
Interventions
Regular Nicotine patch and lozenge dose, Augmented Nicotine patch and lozenge dose
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional

Effectiveness of an Integrated Treatment to Address Smoking Cessation and Anxiety/ Depression in People Living With HIV

NCT03904186
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Cigarette, Smoking, Anxiety, Depression, Nicotine Dependence
Interventions
QUIT, Time-Matched Control (TM)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Risk Communication in African American Smokers

NCT04084561
View directory record Official record
Conditions
Lung Cancer
Interventions
HRHA, LRLA, HRLA, LRHA
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Thrive Study: Improving Multimodal Physical Function in Adults With Heterogenous Chronic Pain

NCT05700383
View directory record Official record
Conditions
Chronic Pain
Interventions
GetActive-Fitbit, Healthy Living for Pain
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Chicago, Illinois • Boston, Massachusetts • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Recruiting Not applicable Interventional

BOLSTER: Learning New Skills to Thrive

NCT06936878
View directory record Official record
Conditions
Gastrointestinal Cancer, Gynecologic Cancer, Advanced Cancer
Interventions
BOLSTER Program
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD1603: A Crossover Study to Evaluate the Exposure to "Tar" and Nicotine From 100s Menthol Cigarette Products

NCT03063047
View directory record Official record
Conditions
Smoking
Interventions
PD21871AA, PD21872AA
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lakewood, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Jul 21, 2026, 6:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reactions to Reduced Nicotine Cigarettes in Young Adult Low-Frequency Smokers

NCT02989038
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Very Low Nicotine Content Cigarettes, Intermediate Nicotine Content Cigarettes, Normal Nicotine Content Cigarettes
Other
Lead sponsor
Duke University
Other
Eligibility
15 Years to 25 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Jul 21, 2026, 6:45 AM EDT