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Showing 1–24 of 2,322 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Tobacco, Smoking Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

AXS-05 Phase II Trial on Smoking Behavior

NCT03471767
View directory record Official record
Conditions
Smoking Cessation, Smoking, Cigarette, Nicotine Dependence
Interventions
AXS-05, Bupropion SR
Drug
Lead sponsor
James Davis
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 18, 2022 · Synced Sep 23, 2026, 4:08 PM EDT
Active, not recruiting Not applicable Interventional Results available

Quit2Heal Smartphone App in Helping Cancer Patients Quit Smoking

NCT04409236
View directory record Official record
Conditions
Hematopoietic and Lymphoid System Neoplasm, Malignant Solid Neoplasm
Interventions
Quit2Heal, QuitGuide, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

TEACH: Technology Evaluation to Address Child Health

NCT02912000
View directory record Official record
Conditions
Smoking, Obesity, Dental Caries
Interventions
TEACH intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 23, 2026, 4:08 PM EDT
Not listed Phase 3 Interventional

Implementing Tobacco Control in Dental Practice

NCT00297700
View directory record Official record
Conditions
Smoking
Interventions
Active referral
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
2,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project Quit: Positive vs. Negative Offers of an Online Stop Smoking Program

NCT01923467
View directory record Official record
Conditions
Smoking Cessation
Interventions
Project Quit stop smoking program, Nicotine patches 21 mg
Behavioral · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
767 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 14, 2015 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cigarette Reduction Using the Quitbit Digital Lighter and Mobile Application for Smoking Cessation: a Randomized Controlled Trial

NCT02515500
View directory record Official record
Conditions
Smoking Cessation
Interventions
Gradual Cessation, Gradual Cessation w/ Quitbit
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Phase 2 Interventional Results available

Acetylsalicylic Acid Compared to Placebo in Treating High-Risk Patients With Subsolid Lung Nodules

NCT02169271
View directory record Official record
Conditions
Current Smoker, Former Smoker, Multiple Pulmonary Nodules, Tobacco Use Disorder
Interventions
Aspirin, Laboratory Biomarker Analysis, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
50 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional Results available

Incentive-based and Media Literacy Informed Approaches to Improve Vaping Cessation

NCT05586308
View directory record Official record
Conditions
Behavior, Health Risk, Implementation Science, E Cigarette Use, Cessation, Smoking, Incentives, Engagement, Patient, Peer Support, Media Literacy
Interventions
Text-massaging suport, Financial incentive, Media literacy
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smartband Mindfulness Study

NCT03995225
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smartband automatic smoking detection combined with brief mindfulness interventions
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Sep 23, 2026, 4:08 PM EDT
Active, not recruiting Phase 1 Interventional

A Study of Exercise and Pharmacologic Intervention on Systemic Inflammation

NCT07058974
View directory record Official record
Conditions
Smokers, Former Smokers
Interventions
lamivudine, rapamycin, Exercise Regimen, Spermidine
Drug · Behavioral · Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
60 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional

Salvation Army Tobacco Quit Line Referral Implementation Trial

NCT06689774
View directory record Official record
Conditions
Tobacco Use, Smoking, Smoking Cessation
Interventions
Cognitive-Motivational Feedback, Staff Tobacco Quit Line Referral Implementation Support, Consumer Incentives for Immediate Referral to a Tobacco Quit Line
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treating Caregivers Who Smoke at AFCH

NCT06051474
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine Replacement Product
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Phase 4 Interventional Results available

Engagement With an Adaptive Mobile Health Smoking Cessation Intervention

NCT04020718
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief telephone advice plus tailored text messages, Mailed nicotine replacement therapy, Proactive telephone coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Sep 23, 2026, 4:08 PM EDT
Active, not recruiting Phase 3 Interventional

Optimizing Tobacco Use Treatment for PLWHA

NCT04176172
View directory record Official record
Conditions
HIV/AIDS, Nicotine Dependence
Interventions
Varenicline, Nicotine patch, Standard treatment, Standard treatment + Managed Problem Solving (MAPS) adherence intervention
Drug · Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Not yet recruiting Phase 4 Interventional

Impact of Daridorexant on Sleep, Daytime Alertness, and Smoking

NCT07328594
View directory record Official record
Conditions
Smoking, Nicotine, Tobacco, Addiction, Substance Use Disorders, Insomnia, Sleep
Interventions
Daridorexant 50 mg, Placebo
Drug · Other
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Phase 4 Interventional

Combination Medications vs. Patch Alone for Medically-Ill Smokers

NCT00770666
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, nicotine inhaler, bupropion, Nicotine patch
Drug
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 9, 2008 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional

Effect of Packaging on Smoking Perceptions and Behavior

NCT02676193
View directory record Official record
Conditions
Smoking, Tobacco Smoking
Interventions
Effect of Packaging on Smoking Perceptions and Behavior
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional Results available

Implementation of Smoking Cessation Within NCI Community Oncology Research Program (NCORP) Sites

NCT03291587
View directory record Official record
Conditions
Smoking Cessation
Interventions
Personnel Training and Coaching Calls
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1,094 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
49
States / cities
Newark, Delaware • Augusta, Georgia • Savannah, Georgia + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combined Pharmaco/Behavior Therapy in Adolescent Smokers

NCT00330187
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Use Disorder
Interventions
Bupropion SR, Contingency Management, Placebo
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 21 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 23, 2026, 4:08 PM EDT
Completed Phase 2 Interventional Results available

Nicotinic Receptors and Schizophrenia

NCT01400477
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
DMXB-A-SR, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Sep 23, 2026, 4:08 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 23, 2026, 4:08 PM EDT
Completed Not applicable Interventional

Potential Impact of Menthol Ban in Cigarettes and E-cigarettes

NCT05259566
View directory record Official record
Conditions
Tobacco Smoking
Interventions
menthol ban in cigarettes only, total menthol ban
Behavioral
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Early Withdrawal Exposure and Negative Affect Withdrawal (NAW) Regulation Training for Smoking Cessation

NCT03912194
View directory record Official record
Conditions
Tobacco Dependence
Interventions
cognitive-behavioral withdrawal regulation strategies, relaxation strategies, early withdrawal exposure
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 23, 2026, 4:08 PM EDT
Withdrawn Not applicable Interventional

Contingency Management for Smoking Cessation in Pregnant Minority Women

NCT02195570
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Quit Smoking Now (QSN), Prize-based Contingency Management (CM)
Other · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Sep 23, 2026, 4:08 PM EDT