Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 5, 2026, 1:23 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 422 matching trials from the live ClinicalTrials.gov search.
Conditions
Current Smoker, Head and Neck Squamous Cell Carcinoma, Hypopharyngeal Squamous Cell Carcinoma, Laryngeal Squamous Cell Carcinoma, Nasopharyngeal Carcinoma, Oral Cavity Squamous Cell Carcinoma, Oropharyngeal Squamous Cell Carcinoma
Interventions
Bupropion Hydrochloride, Laboratory Biomarker Analysis, Nicotine Replacement, Quality-of-Life Assessment, Questionnaire Administration, Varenicline
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Charleston, South Carolina
Completed Phase 4 Interventional Results available

Health Systems Reach Interventions Project

NCT04199117
Conditions
Smoking, Cigarette, Smoking Cessation
Interventions
Varenicline, Combination nicotine patch and nicotine mini-lozenge treatment, Monetary incentives for initiating treatment, Automated tailored outreach, Care management, Wisconsin Tobacco Quit Line referral, Primary care provider referral, Untailored outreach, Multiple smoking cessation coaching calls
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Smoking Cessation
Interventions
Take a Break as an augmentation to NRT-sampling in Motivation Phase, NRT and mHealth assessment tool without feedback
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
433 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Worcester, Massachusetts • Great Neck, New York
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
Completed Phase 4 Interventional Results available

Tobacco Use Treatment in Cancer Patients

NCT03482583
Conditions
Smoking, Cigarette
Interventions
Nicotine Replacement Therapy, Referral to AHEC/Quitline
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Gainesville, Florida
Completed Not applicable Interventional Results available

Smoking Cessation Using Motivational Therapy and Varenicline

NCT00701896
Conditions
Smoking, HIV Infections
Interventions
Varenicline tartrate, Nicotine Replacement Therapy, Biological Control, Motivational Interview
Drug · Other · Behavioral
Lead sponsor
Philip Diaz
Other
Eligibility
18 Years and older
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Results available

Contingency Management for Smoking in Substance Abusers

NCT00807742
Conditions
Substance Abuse
Interventions
Nicotine Replacement Treatment (NRT), Brief Advice, Contingency Management, Non-Contingent Reinforcement
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Phase 4 Interventional Results available

A Text Messaging Program for Smokers in Primary Care

NCT03174158
Conditions
Smoking Cessation
Interventions
Mailed nicotine replacement therapy, Text messaging, Brief advice
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Smoking, Bipolar Disorder
Interventions
Experimental plus Nicotine Replacement Therapy, Control plus Nicotine Replacement Therapy
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
4
States / cities
Palo Alto, California • Denver, Colorado • Bedford, Massachusetts + 1 more
Conditions
Smoking Cessation
Interventions
Contingency management, Nicotine replacement therapy, Varenicline, Additional behavioral support
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Lung Non-Small Cell Carcinoma, Head and Neck Squamous Cell Carcinoma
Interventions
Nicotine Replacement, Bupropion Hydrochloride Controlled-release, Varenicline, Tobacco Cessation Counseling, Questionnaire Administration, Quality of Life Assessment, Best Practice
Drug · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Results available

Babies Living Safe and Smokefree

NCT02602288
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Ask, Advise, Refer, Telebased tobacco counseling, Telebased nutrition counseling, Mobile phone smoking cessation application, Mobile phone nutrition application, Nicotine polacrilex
Behavioral · Device · Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Conditions
Coronary Artery Disease, Smoking Cessation
Interventions
genotype-guided therapy, Nicotine patch, Smoking cessation counseling
Other · Drug · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 1Phase 2 Interventional Results available

Exenatide Once Weekly for Smoking Cessation

NCT02975297
Conditions
Smoking Cessation
Interventions
Exenatide, NRT, Counseling, Placebo
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Houston, Texas
Conditions
Cigarette Smoking, Addiction, E Cig Use
Interventions
E cigarettes, Nicotine Replacement Therapy
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Cannabis Dependence, Nicotine Dependence
Interventions
Cognitive Behavioral Therapy, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Determinants of Smoking Cessation Among Latinos

NCT01008748
Conditions
Smoking Cessation
Interventions
Nicotine Replacement Therapy (NRT), Questionnaire, Counseling, Self-Help Materials
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Houston, Texas
Conditions
Nicotine Dependence
Interventions
Nicotine Patch, Moclobemide
Drug
Lead sponsor
Jed E. Rose
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Charlotte, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina
Conditions
Smoking, Veterans
Interventions
Nicotine gum, mobile contingency management, Telephone counseling, Nicotine patch, Nicotine lozenge, Smart phone, Carbon monoxide monitor
Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Switching to Very Low Nicotine Content Cigarettes vs Reducing Cigarettes Per Day

NCT03060083
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content (VLNC) cigarettes and nicotine replacement therapy (NRT), Reduce cigarettes per day (CPD) with nicotine replacement therapy (NRT)
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Alcoholism, Smoking
Interventions
nicotine replacement patch
Drug
Lead sponsor
Minneapolis Veterans Affairs Medical Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2004
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Smoking
Interventions
Counseling, Self-help guide, Pharmacotherapy, Genetic feedback, verbal, Genetic feedback, printed
Behavioral · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Menlo Park, California • Stanford, California • Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Smoking Cessation Incentives Study

NCT04682067
Conditions
Smoking Cessation, Diabetes Type 2
Interventions
Contingency Management, Usual Care smoking cessation
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
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