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Showing 1–24 of 420 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: nicotine replacement therapy (NRT) Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Text Messaging-Based Smoking Cessation Program for Homeless Youth

NCT03874585
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Group counseling and nicotine replacement, Group counseling, nicotine replacement, and text messaging support
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years to 25 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
3
States / cities
Los Angeles, California • Venice, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Results available

Strategies to Connect Patients at Federally Qualified Health Clinics With Evidence Based Tobacco Cessation Treatment

NCT03900767
View directory record Official record
Conditions
Current Smoker, Tobacco Smoking, Tobacco Use
Interventions
Ask-Advise-Connect (AAC), Text Messaging (TM), Motivation And Problem-Solving (MAPS), Quitline
Other · Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
12,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional

Exploring a Cessation Intervention for Smokers

NCT01728038
View directory record Official record
Conditions
Asthma
Interventions
Cessation Counseling
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Social Media Intervention to Stop Nicotine and Cannabis Vaping Among Adolescents

NCT04707911
View directory record Official record
Conditions
Vaping
Interventions
Social Media Intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 21 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Sep 28, 2026, 10:24 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Tailored Smoking Cessation Treatment for LIVE FOR LIFE® Participants

NCT01560507
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
varenicline (Chantix), bupropion (Zyban), nicotine patches
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tobacco Treatment in the Context of Lung Cancer Screening

NCT03927989
View directory record Official record
Conditions
Smoking Cessation
Interventions
Text messaging plus nicotine replacement therapy, Standard Care at Lung Cancer Screening
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
55 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Sep 28, 2026, 10:24 PM 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 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Results available

Patch Study - Intervention for HIV Positive Smokers

NCT02982772
View directory record Official record
Conditions
Smoking Cessation, HIV
Interventions
Combination Therapy, Standard Care Intervention
Other
Lead sponsor
dr. maria miguez
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

End Nicotine Dependence Clinic

NCT03290430
View directory record Official record
Conditions
Smoking Cessation
Interventions
Group Counseling, Individual Counseling, Phone Counseling, Video Counseling, Texting support, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Informing Tobacco Treatment Guidelines for African American Non-Daily Smokers

NCT02244918
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional

Durham Housing Authority (DHA) Community Health Advisor (CHA) Smoking Cessation Project

NCT04114526
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Smartphone Based Smoking Cessation Intervention

NCT03740490
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smart-T + NRT, QuitGuide + NRT
Combination Product
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
454 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Sep 28, 2026, 10:24 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Comprehensive Evaluation of Tobacco-Flavored vs. Non-Tobacco Flavored E-cigarettes on Smoking Behavior

NCT06260683
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Nicotine Replacement, Questionnaire Administration, Vaping
Drug · Other · Device
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 28, 2026, 10:24 PM 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 Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Trial Tobacco Marijuana

NCT02277665
View directory record Official record
Conditions
Cannabis Use Disorder, Tobacco Use Disorder
Interventions
CUD Treatment, Tobacco Treatment
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
3
States / cities
Concord, New Hampshire • Lebanon, New Hampshire • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Phase 4 Interventional Results available

Mobile Evidence-Based Smoking Cessation for Veterans Living With HIV (MESH)

NCT04135937
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking
Interventions
Bupropion, Varenicline, Cognitive Behavioral Therapy, Nicotine Replacement Therapy, Relapse Prevention Text Messaging
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Phase 4 Interventional

Nicotine Replacement Therapy for Smoking Cessation in Schizophrenia

NCT00320723
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
bupropion, transdermal nicotine patch
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2009 · Synced Sep 28, 2026, 10:24 PM EDT
Not yet recruiting Phase 4 Interventional

Evaluation of Dependence and Nicotine Replacement Therapy-Supported Cessation Efforts Among Regular Electronic Cigarette Use

NCT07786896
View directory record Official record
Conditions
E Cigarette Use, Cessation, Tobacco, Cessation, Nicotine
Interventions
Nicotine Replacement Therapies, Brief Behavioral Counseling
Drug · Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Greenville, North Carolina • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Remote vs. In-Person Study Evaluation (RISE) Trials: RISE Above Smoking (Trial 1)

NCT06822049
View directory record Official record
Conditions
Remote vs. In-Person, Remote Visits, In-person Visits
Interventions
Combination Nicotine Replacement Therapy (patch and lozenge)
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Buffalo, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Results available

Comparing Smoking Cessation Interventions Among Underserved Patients Referred for Lung Cancer Screening

NCT04798664
View directory record Official record
Conditions
Smoking Cessation
Interventions
Removal of Financial Barriers, Financial Incentives, Mobile Health Application
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
3,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Oakland, California • Detroit, Michigan • Danville, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adolescent Inpatient Tobacco and ENDS Intervention

NCT05936099
View directory record Official record
Conditions
Vaping, Smoking
Interventions
E-cigarette & Tobacco Use Treatment Intervention
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 21 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving the Reach & Effectiveness of Smoking Cessation Services Targeted to Veterans Living With HIV

NCT04505371
View directory record Official record
Conditions
HIV Infections, Smoking, Smoking Cessation
Interventions
Wellness Intervention for Smokers with HIV
Behavioral
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Terminated Not applicable Interventional

Project QUIT+: Adapting and Testing a Smoking Cessation Intervention for Transgender and Gender Expansive Individuals

NCT06654414
View directory record Official record
Conditions
Smoking Cessation, Depression, Anxiety, Nicotine Dependence, Gender Minority Stress
Interventions
PRIDE QUIT, Enhanced Treatment As Usual (ETAU)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 28, 2026, 10:24 PM EDT
Completed Phase 3 Interventional Results available

Study to Determine the Efficacy and Safety of a Novel Nicotine Replacement Therapy

NCT02355665
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Nicotine Spray, Placebo
Drug
Lead sponsor
McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
1,198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
Scottsdale, Arizona • Burbank, California • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 28, 2026, 10:24 PM EDT