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Showing 1–24 of 474 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 4 Interventional

Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care

NCT06598397
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), Smoking Cessation
Interventions
Motivational Interviewing (MI) Counseling, Peer Mentoring, Skills-based Text Messaging, Combination NRT
Behavioral · Drug
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Efficacy and Safety of Ariva® Silver Wintergreen in Healthy Smokers

NCT01337817
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Ariva Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
37 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 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Pragmatic Trial of Text Messages to Recruit Unassisted Tobacco Users Into Quitline Service

NCT07102290
View directory record Official record
Conditions
Smoking Cessation Counselling
Interventions
Free Help, Free Nicotine message, Spanish: Free help message, Spanish: Free nicotine message
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
4,171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Provoked Craving Assessment

NCT01506908
View directory record Official record
Conditions
Smoking Dependence, Smoking
Interventions
oral nicotine, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Burbank, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Phase 4 Interventional

Smoking Cessation in Alcoholism Treatment

NCT00000454
View directory record Official record
Conditions
Alcoholism, Smoking
Interventions
nicotine replacement patch
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 18, 2010 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Incentives for Oklahoma Tobacco Helpline Engagement in Persistent Poverty Counties

NCT05095779
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Coaching calls, Nicotine replacement therapy, Financial Incentives
Behavioral · Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 29, 2024 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Proactive Care Coordination for Cancer Survivors Who Smoke

NCT02723656
View directory record Official record
Conditions
Cancer
Interventions
Online Referral NYS Quitline, Tobacco cessation counseling and coordination of cessation medications
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Sep 2, 2026, 2:26 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Effects of Nicotine Replacement Therapy and D-cycloserine on Nicotine Treatment Seekers

NCT01907594
View directory record Official record
Conditions
Cigarette Smoking
Interventions
D-cycloserine, Nicotine Replacement Therapy (patch), Smoking Cue Exposure, Progressive Muscle Relaxation, Placebo
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 2, 2026, 2:26 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Community-based Smoking Cessation Treatment for Adults With High Stress Sensitivity.

NCT06053567
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Aerobic Exercise, Counseling, Nicotine patch
Behavioral · Drug
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 2, 2026, 2:26 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Automated Mobile Contingency Management for Smoking Cessation: A Pilot RCT (SCC PREVAILgo)

NCT03739437
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mobile Contingency Management, Standard Care
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 2, 2026, 2:26 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adaptation and Initial Evaluation of Transdiagnostic CBT for Anxious and Depressed Smokers

NCT03920137
View directory record Official record
Conditions
Smoking Cessation
Interventions
UP-ST Therapy, Standard Therapy, Nicotine Patch
Behavioral · Device
Lead sponsor
University of Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 2, 2026, 2:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing an MBI for Smoking Cessation and Alcohol Use Among Cancer Survivors

NCT07447635
View directory record Official record
Conditions
Smoking Cessation, Alcohol Use
Interventions
Mindfulness-Based Relapse Prevention for Smoking and Alcohol (MBRP-SA), Quitline Support
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Jail-Based Use of Smoking Cessation Treatment Study

NCT03799315
View directory record Official record
Conditions
Tobacco Use
Interventions
Nicotine Replacement Therapy, Counseling
Drug · Behavioral
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years to 64 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 13, 2020 · Synced Sep 2, 2026, 2:26 AM EDT
Terminated Not applicable Interventional Results available

Analysis of Lipid Biomarkers of Exposure and Host Response

NCT00493831
View directory record Official record
Conditions
Cigarette Smoking
Interventions
nicotine polacrilex, transdermal system or inhaler
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 2, 2026, 2:26 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 Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Efficacy of Tobacco Quitline for Cancer Survivors

NCT00827866
View directory record Official record
Conditions
Smoking Cessation
Interventions
Counselor-Initiated Tobacco Quit Line, Self-Paced Tobacco Quit Line
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
946 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Sep 2, 2026, 2:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Take A Break - Rural

NCT05790486
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Smoking Cessation
Interventions
Take a Break plus Nicotine replacement therapy (NRT) Sampling, The Comparison, Community Paramedicine Standard Plus Enhanced Implementation Program, Community Paramedicine Standard Implementation Program
Behavioral · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 2, 2026, 2:26 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Trial of Varenicline With Nicotine Lozenges and a Smartphone Medication Adherence Intervention for Smoking Cessation

NCT07099638
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline (VAR), Nicotine lozenge (NRT), Smartphone intervention with adherence components (COMBO-A), Smartphone intervention without adherence components (COMBO-B), Telephone Counseling
Drug · Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
496 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Disease Management for Smoking Cessation

NCT00440115
View directory record Official record
Conditions
Smoking Cessation
Interventions
High intensity disease management, Low intensity disease management, Comparison group, Bupropion
Behavioral · Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional

The Impact of Innovative Tax Proposals on Purchase Patterns

NCT05370313
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Market Price Condition (control), Tobacco Parity Tax Condition, Nicotine-Content Tax Condition, Harm-Reduction Tax Condition, Modified Risk Tobacco Product (MRTP) Tax Condition
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Buffalo, New York • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional

Contingency Management for Smoking Cessation in the Homeless

NCT01736982
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Contingency Management, Standard of Care
Behavioral · Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New Britain, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking, Stress, HIV and Mobile Technology

NCT05709002
View directory record Official record
Conditions
Cigarette Smoking
Interventions
MASP+, Control
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Phase 4 Interventional Results available

Progesterone Augmentation of Nicotine Replacement Therapy Study

NCT02685072
View directory record Official record
Conditions
Smoking Cessation
Interventions
Progesterone (200 mgs BID), Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 2, 2026, 2:26 AM EDT
Completed Not applicable Interventional Results available

Varenicline and Motivational Advice for Smokers With Substance Use Disorders

NCT00756275
View directory record Official record
Conditions
Smoking Cessation, Nicotine Dependence
Interventions
Nicotine Replacement Treatment (NRT), varenicline, Behavioral counseling for smoking cessation
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 75 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Sep 2, 2026, 2:26 AM EDT