Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 3, 2026, 12:49 AM EDT

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

Showing 1–24 of 1,426 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Tobacco Smoking, Psychiatric Disorder, Psychiatric Hospitalization
Interventions
Acceptance and Commitment Therapy, Enhanced Usual Care
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Providence, Rhode Island
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
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
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for Smoking Cessation in Homeless Smokers

NCT01789710
Conditions
Smoking, Homeless Persons
Interventions
Bupropion, Nicotine replacement therapy, Contingency Management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 3 Interventional Results available

Smoking-Cessation and Stimulant Treatment (S-CAST)

NCT01077024
Conditions
Cocaine Dependence, Methamphetamine Dependence, Nicotine Dependence
Interventions
Smoking-cessation treatment
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
538 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
12
States / cities
Tucson, Arizona • Rancho Cucamonga, California • Tarzana, California + 9 more
Conditions
Smoking Cessation
Interventions
varenicline (CP-526,555)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
730 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
Palo Alto, California • Santa Ana, California • Farmington, Connecticut + 3 more
Conditions
Smoking
Interventions
DVD Intervention, Standard Care Printed Materials
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Providence, Rhode Island
Terminated Not applicable Interventional Accepts healthy volunteers

Smoking Cessation Tailored to Rural Young Adult African American Men:

NCT03808714
Conditions
Smoking Cessation
Interventions
TOUCHDOWN, Control Group
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Contingency Management for Smoking Cessation

NCT04881630
Conditions
Smoking Cessation
Interventions
Automated Mobile Contingency Management (CM), Standard Care (SC)
Behavioral · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
532 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Smoking, Smoking Cessation, HIV
Interventions
Nicoderm C-Q Transdermal Product, Adherence to Antiretroviral Therapy Counseling, Behavioral Smoking Cessation Counseling, "Crave-to-Quit" app, vDOT "emocha" app
Drug · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Miami, Florida
Completed Phase 2 Interventional Accepts healthy volunteers

Provider and Peer Delivered Youth Smoking Intervention

NCT00435344
Conditions
Tobacco Dependence
Interventions
Pediatric Practice-Based Smoking Intervention
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
13 Years to 17 Years
Enrollment
2,711 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Maternal-Fetal Relations, Maternal Behavior
Interventions
3D printed model, Placebo
Behavioral
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 45 Years · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Chemo Brain, Chemotherapy-related Cognitive Impairment, Chemo Fog, Breast Cancer, Chemobrain
Interventions
Transdermal nicotine, Placebo Transdermal Patch
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
35 Years to 80 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT07447635
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
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Intranasal Insulin for Weight Management During Smoking Cessation

NCT02028871
Conditions
Tobacco Abstinence Syndrome
Interventions
Intranasal Insulin, Placebo
Drug
Lead sponsor
Ajna Hamidovic
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Albuquerque, New Mexico
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Cessation Via Text Messaging: Feasibility Testing of Stop My Smoking USA

NCT01516632
Conditions
Smoking Cessation
Interventions
SMS USA
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
18 Years to 25 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Santa Ana, California
Conditions
Aging, Cognitive Decline, Older Adults, Cardiovascular, Sedentary Behaviors, Immune Senescence, Motor Function
Interventions
Risk managment, Dasatinib, Quercetin (dietary supplement), Vortioxetine
Behavioral · Drug · Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Cigarette Smoking Behavior
Interventions
Nicotine polacrilex
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of a Smartphone-Based Vaping Cessation Program

NCT05642598
Conditions
Vaping Cessation
Interventions
Pivot for Vape
Behavioral
Lead sponsor
Pivot Health Technologies Inc.
Industry
Eligibility
21 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Carlos, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

rTMS in Promoting Smoking Cessation and Preventing Relapse in Current Smokers

NCT03865472
Conditions
Cigarette Smoker, Current Every Day Smoker, Current Smoker
Interventions
Questionnaire Administration, Repetitive Transcranial Magnetic Stimulation, Sham Intervention
Other · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project Impact 2: A Culturally Tailored Smoking Cessation Intervention for Latino Smokers

NCT02596711
Conditions
Tobacco Use Cessation, Cancer Prevention
Interventions
Nicotine Patch, Questionnaires, Carbon Monoxide (CO) Test, Health Education and Handouts, Culturally Tailored Reading Materials, Counseling Sessions
Drug · Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT04505371
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
Conditions
Tobacco Smoking
Interventions
Tailored behavioral counseling, Standard of Care
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Phase 3 Interventional Accepts healthy volunteers

LGBT Internet Based Smoking Treatment - 1

NCT00111501
Conditions
Tobacco Use Disorder
Interventions
Tobacco Use Disorder, Standard Web-based intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
San Francisco, California