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 7, 2026, 6:23 AM EDT

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

Showing 121–144 of 703 matching trials from the live ClinicalTrials.gov search.
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
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Internet Smoking Cessation Web Site
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 90 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Francisco, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing ANSOS for Efficacy in Multi-Tribal Urban Communities

NCT06566703
Conditions
Smokeless Tobacco Cessation
Interventions
All Nations Snuff Out Smokeless, Healthy Living
Behavioral
Lead sponsor
Lehigh University
Other
Eligibility
18 Years and older
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Quit Smoking Study for People Who Use E-Cigarettes

NCT04946825
Conditions
Nicotine Addiction, E-Cig Use, Quitting Smoking
Interventions
Nicotine replacement therapy patch, Nicotine replacement therapy lozenge, Quit electronic cigarettes, Continue electronic cigarettes
Drug · Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 29 Years
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Completed Not applicable Interventional Accepts healthy volunteers

P60 Program Project Grant-Outreach for Smoke-Free Homes

NCT01574560
Conditions
Smoking Cessation, Tobacco Cessation
Interventions
Brochure, Counseling
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Results available

Adjunctive Mood Management for Telephone-based Smoking Cessation

NCT02500589
Conditions
Nicotine Dependence
Interventions
Behavioral mood management, Health education
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Smoking Cessation, Smoking
Interventions
smokeSCREEN web-based game
Device
Lead sponsor
Yale University
Other
Eligibility
10 Years to 16 Years
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Smokeless Tobacco Cessation
Interventions
Extended Scheduled Gradual Reduction (SGR), Quit Coach
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Breast Cancer, Colorectal Cancer, Lung Cancer, Prostate Cancer, Tobacco Use Disorder
Interventions
memantine hydrochloride, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Motivating Quitline Use Among Smokers in Treatment for Substance Use Disorders

NCT01882673
Conditions
Smoking Cessation
Interventions
Brief Computer Motivational Interviewing for Smoking Cessation, Nutrition Control
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Smoking Cessation in Pediatric Primary Care

NCT01312480
Conditions
Tobacco Cessation, Media Use
Interventions
5A's Model, Media Use Assessment
Other
Lead sponsor
American Academy of Pediatrics
Other
Eligibility
14 Years to 25 Years
Enrollment
10,967 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Elk Grove Village, Illinois
Conditions
Tobacco Use Cessation, Tobacco Prevention
Interventions
Surveys, ASPIRE Website, ASPIRE Text-Based Website, Follow Up Survey
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
11 Years to 18 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
2
States / cities
Houston, Texas
Conditions
Tobacco Use Disorder, HIV
Interventions
PSFW+, AHA, Nicotine polacrilex
Behavioral · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
Baltimore, Maryland • The Bronx, New York
Conditions
Cigarette Smoking-Related Carcinoma, Malignant Thoracic Neoplasm
Interventions
Electronic Health Record Review, Informational Intervention, Interview, Referral, Smoking Cessation Intervention, Survey Administration
Other · Device
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Telephone Counseling for Tobacco Cessation

NCT01489579
Conditions
Tobacco Use Cessation
Interventions
Telephone Counseling for Tobacco Cessation, Usual Care
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Incentives for Oklahoma Tobacco Helpline Engagement in Persistent Poverty Counties

NCT05095779
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
Completed Not applicable Interventional Results available

Financial Incentives for Homeless Smokers: A Community-based RCT

NCT04445662
Conditions
Tobacco Smoking
Interventions
Financial incentives, Varenicline, Tobacco coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Tobacco Dependence
Interventions
C-Raven Virtual Tobacco Cessation Counseling, Nicotine Replacement Product, Community Health Worker, Lung Cancer Screening
Behavioral · Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Results available

Treating Low-Income Smokers in the Hospital Emergency Department

NCT01328431
Conditions
Tobacco Use Cessation, Smoking Cessation, Smoking, Tobacco Use Disorder
Interventions
Brief Intervention with NRT Initiation
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
ADHD
Interventions
methylphenidate HCl (Concerta)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Cambridge, Massachusetts
Completed Phase 2 Interventional Accepts healthy volunteers

Exenatide for Smoking Cessation and Prevention of Weight Gain

NCT05610800
Conditions
Smoking Cessation, Weight Gain
Interventions
Exenatide 2 milligram (mg) Injection, Placebo, Nicotine patch, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Let's STOP Now Trial: Smoking in Trauma Orthopaedic Patients

NCT02428244
Conditions
Smoking, Tobacco, Fractures, Bone
Interventions
Motivational Interviewing, Motivational Interviewing + Follow-up
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 79 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 2Phase 3 Interventional Results available

Pharmacogenetics, Emotional Reactivity and Smoking

NCT00507728
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Bupropion, Varenicline, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Framing Messages for Smoking Cessation With Bupropion - 6

NCT00104598
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Smoking Abstinence Program
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
New Haven, Connecticut