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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:10 PM EDT

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Showing 1–24 of 181 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Reduction Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Reduction In Gravid Substance Use Disorders

NCT04132232
View directory record Official record
Conditions
Tobacco Smoking in Mother Complicating Pregnancy, Tobacco Use Disorder, Tobacco Smoking
Interventions
knowledge of expired maternal carbon monoxide and fetal carboxyhemoglobin levels
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Oct 21, 2026, 5:10 PM 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 21, 2026, 5:10 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Flavored on!® Nicotine Pouch Products on Smoking Behaviors: a SMART Study

NCT06072547
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Access to all varieties of on! 4mg nicotine pouches (Berry, Citrus, Cinnamon, Wintergreen, Mint, Coffee, and Original), Access to Original on! 4mg nicotine pouches, Non-Flavored then complete flavor on! nicotine pouches
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Oct 21, 2026, 5:10 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Episodic Future Thinking and Future Thinking Priming for Smoking Cessation

NCT04297332
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Behavioral Intervention, Informational Intervention, Nicotine Replacement, Telephone-Based Intervention
Behavioral · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Results available

Behavioral and Enhanced Perinatal Intervention for Cessation (B-EPIC): Reducing Tobacco Use Among Opioid Addicted Women

NCT03796208
View directory record Official record
Conditions
Smoking Cessation
Interventions
Behavioral and Enhanced Perinatal Intervention for Cessation (B-EPIC), Treatment As Usual
Behavioral
Lead sponsor
Kristin Ashford
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 15, 2022 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Phase 2 Interventional

A Study of Brenipatide in Adults Who Quit Smoking Cigarettes and Want to Avoid Relapse

NCT07223840
View directory record Official record
Conditions
Smoking
Interventions
Brenipatide, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 75 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
18
States / cities
Rogers, Arkansas • DeLand, Florida • Hollywood, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Aim 1: App for Reducing Cravings to Smoke

NCT06923033
View directory record Official record
Conditions
Smoking
Interventions
Smartphone App
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breathe 2 Project 3: Comprehensive Chronic Care

NCT05382221
View directory record Official record
Conditions
Smoking Cessation, Smoking Abstinence
Interventions
Comprehensive Chronic Care, Standard Care
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
979 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of Nicotine Replacement Therapy in Reducing the Risk of Nicotine Exposure in Pregnant Minority Smokers

NCT00341432
View directory record Official record
Conditions
Smoking, Pregnancy
Interventions
Nicotine Replacement Therapy
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
21 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Project 1, Study 1: Investigating the Impact of Nicotine Using Spectrum Cigarettes

NCT01681875
View directory record Official record
Conditions
Tobacco Dependence
Interventions
very low nicotine content cigarettes
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
839 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
9
States / cities
San Francisco, California • Tampa, Florida • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of Various Smoking Cessation Therapies in Reducing Smoking in Adolescents - 1

NCT00158171
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Nicotine Replacement Therapies, Nicotine patch, Folic Acid
Drug · Dietary Supplement
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 18 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 21, 2026, 5:10 PM EDT
Terminated Phase 2 Interventional Results available

Reducing Tobacco-associated Lung Cancer Risk: A Randomized Clinical Trial of AB-free Kava

NCT05081882
View directory record Official record
Conditions
Smoking
Interventions
Kava, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Results available

Promoting Smoking Cessation in Lung Cancer Screening Through Proactive Treatment

NCT03612804
View directory record Official record
Conditions
Smoking Reduction, Tobacco Use, Tobacco Smoking, Tomography, Lung Diseases, Lung Neoplasms
Interventions
Unsigned note to provider about cessation medication prescription, Proactive Telephone Counseling from VA Quitline
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 80 Years
Enrollment
944 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
3
States / cities
New York, New York • Providence, Rhode Island • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

ROSCAP: Reduction of Smoking in Cardiac Patients Study

NCT00301626
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Dependence, Cardiac Disease
Interventions
smoking reduction intervention (including NRT)
Behavioral
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 24, 2008 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RITCH: Reducing Disparities in Tobacco Cessation Outcomes

NCT02785536
View directory record Official record
Conditions
Smoking Cessation
Interventions
RITCh Treatment, Standard Treatment
Behavioral
Lead sponsor
The City College of New York
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2016 · Synced Oct 21, 2026, 5:10 PM 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 18, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Preventing Fetal Body and Brain Size Reduction in Low-income Smoking Mothers: A Randomized Clinical Trial

NCT01248260
View directory record Official record
Conditions
Fetal Body Size, Fetal Brain Size
Interventions
Folic Acid
Dietary Supplement
Lead sponsor
Hamisu Salihu
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Factorial Design to Assess Quit-line Connections

NCT03760107
View directory record Official record
Conditions
Smoking Cessation
Interventions
Connect Smokers to Treatment 1, Connect Smokers to Treatment 2, Connect Smokers to Treatment 3, Connect Smokers to Treatment 4, Connect Smokers to Treatment 5, Connect Smokers to Treatment 6
Behavioral
Lead sponsor
Minnesota Department of Health
Government
Eligibility
Female only
Enrollment
3,723 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 30, 2018 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer

NCT05732623
View directory record Official record
Conditions
Colorectal Cancer, Early Onset Colorectal Cancer, Diet Habit, Risk Reduction
Interventions
Semi Quantitative Food Frequency Questionnaire (SQFFQ)
Behavioral
Lead sponsor
San Raffaele University
Other
Eligibility
18 Years to 49 Years
Enrollment
2,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2035
U.S. locations
2
States / cities
Denver, Colorado • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

LUNGevity: Lung Cancer Stigma Community Based Participatory Research

NCT06286592
View directory record Official record
Conditions
Lung Cancer
Interventions
Ultra-brief mindfulness intervention video, Forgiveness video, ACT values video
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Empower Korean Families to End Tobacco Use & Smoking Exposure

NCT04079569
View directory record Official record
Conditions
Smoking Cessation, Lifestyle Risk Reduction
Interventions
Tobacco, Healthy Living
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Leandro, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of New Standards for Tobacco Products Among Dual E-Cigarette/Combusted Cigarette Users - Project 2

NCT05473585
View directory record Official record
Conditions
Smoking, Smoking, Cigarette, E-Cig Use, Nicotine Dependence
Interventions
very low nicotine content cigarettes, normal nicotine content cigarettes, Study e-cigarette
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Creating Healthier Communities Through Meaningful Partnerships: A Model From the National African American Male Wellness Initiative - OSU Partnership

NCT04787978
View directory record Official record
Conditions
Hypertension, Diabetes, Sedentary Behavior, High Cholesterol, Diet, Healthy, Smoking Reduction, Weight Loss
Interventions
Physical Activity and Education Intervention
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Male only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional

rTMS-concurrent Behavioral Priming for Reducing Smoking Cravings

NCT06228235
View directory record Official record
Conditions
Smoking Reduction, Smoking Behaviors
Interventions
Repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 21, 2026, 5:10 PM EDT