Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

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 20, 2026, 6:07 AM EDT

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

Showing 361–384 of 2,331 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Sensory Perception of Sweet Flavors in E-Cigarette

NCT03332953
View directory record Official record
Conditions
Smoking
Interventions
E-cigarettes with varying concentrations of nicotine & flavor
Other
Lead sponsor
Oregon State University
Other
Eligibility
18 Years to 35 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 11, 2019 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 2 Interventional

Mood Management Phone Counseling in Smoking Cessation

NCT00500877
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mood Management Phone Counseling for Smoking Cessation
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Oct 20, 2026, 6:07 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Adverse Airway Effects From Tobacco and E-Cigarettes

NCT03251053
View directory record Official record
Conditions
Airway Morbidity, Smoking Cessation, Nicotine Adverse Reaction, Smoking, Tobacco, Smoking, Cigarette
Interventions
Electronic cigarette use, Control regular cigarette smokers
Device · Other
Lead sponsor
Miami VA Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Varenicline Tartrate With Telephone-Based Counseling and/or Internet-Based Counseling in Helping Adults Stop Smoking

NCT00301145
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
smoking cessation intervention, varenicline, counseling intervention, internet-based intervention
Behavioral · Drug · Other
Lead sponsor
SRI International
Industry
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
3
States / cities
Menlo Park, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Oct 20, 2026, 6:07 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect of Electronic Cigarettes on Platelets, Endothelium and Inflammation

NCT02662075
View directory record Official record
Conditions
Smoking
Interventions
E-cigarette/tobacco Smoking Exposure
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2017 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Proof-of-concept RCT of Version 3.0 of the Smoking Cessation Smartphone App "Smiling Instead of Smoking" (SiS)

NCT04672239
View directory record Official record
Conditions
Nondaily Smoking
Interventions
Smartphone app "Smiling instead of Smoking" (SiS) Version 3, Smartphone app "QuitGuide" (QG), Brochure "Clearing the Air" (CTA)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 6:07 AM EDT
Recruiting Phase 2 Interventional

Multi-Site Trial of Tirzepatide for Smoking Cessation

NCT07602699
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors
Interventions
Tirzepatide, Placebo
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • New Haven, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Episodic Future Thinking and Future Thinking Priming for Smoking Cessation

NCT04297332
View directory record Official record
Conditions
Tobacco-Related Carcinoma
Interventions
Behavioral Intervention, Informational Intervention, Nicotine Replacement, Telephone-Based Intervention
Behavioral · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Smoking Cessation & Opioid Dependence Treatment Integration

NCT02854800
View directory record Official record
Conditions
Smoking Cessation, Opioid Related Disorders
Interventions
varenicline
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 14, 2020 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Flavors and E-cigarette Effects in Adolescent Smokers- STUDY 1

NCT02179034
View directory record Official record
Conditions
Nicotine Dependence, Other Tobacco Product
Interventions
Nicotine, Low Dose Menthol, High Dose Menthol
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 20 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 4, 2020 · Synced Oct 20, 2026, 6:07 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Smoking Cessation Program: A Quality Improvement Trial in a Resident-Based Outpatient Clinic

NCT00436943
View directory record Official record
Conditions
Smoking
Interventions
nicotine replacement therapy and bupropion, smoking cessation counseling and referrals
Drug · Behavioral
Lead sponsor
Atlantic Health System
Other
Eligibility
21 Years and older
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 12, 2010 · Synced Oct 20, 2026, 6:07 AM EDT
Not yet recruiting Not applicable Interventional

Optimizing Medications and Lung Health in People With HIV Through Pharmacist-led Proactive E-Consults

NCT07507435
View directory record Official record
Conditions
HIV, Inhaled Corticosteroid, Proton Pump Inhibitor, Smoking Cessation, Pneumonia
Interventions
E-consult
Other
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
3
States / cities
Boise, Idaho • Minneapolis, Minnesota • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 20, 2026, 6:07 AM EDT
Terminated Not applicable Interventional

Incentives to Promote Smoking Cessation in Low SES Women

NCT03173274
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Brief Motivational Intervention, Contingency Management, Non-Contingent Reinforcement
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 3 Interventional Results available

Varenicline for Adolescent Smoking Cessation

NCT01509547
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
14 Years to 21 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD231005 Nicotine Pouch Biomarkers of Exposure

NCT06303115
View directory record Official record
Conditions
Tobacco Use, Smoking
Interventions
Nicotine Pouch P1312914, 4 mg nicotine, Nicotine Pouch P1312915, 8 mg nicotine, Nicotine Pouch P1013215, 8 mg nicotine, Nicotine Pouch P1013218, 10 mg nicotine, Nicotine Pouch P1012919, 12 mg nicotine, Smoking Abstinence, Continued UB cigarette smoking
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
5
States / cities
Bentonville, Arkansas • Lexington, Kentucky • Springfield, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

Using Mobile Technology to Better Understand and Measure Self-Regulation

NCT03352713
View directory record Official record
Conditions
Self-regulation, Binge Eating, Smoking
Interventions
Laddr
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
21 Years to 50 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 10, 2020 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Tobacco Use Disparities Among Low-Income Adults

NCT03077737
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Choose to Change, Enhanced usual care
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 21, 2022 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nicotine Patch as an Adjunctive Intervention to Reduce Secondhand Smoke Among NICU Families

NCT04045964
View directory record Official record
Conditions
Environmental Tobacco Smoke, Smoking Cessation
Interventions
nicotine replacement therapy (NRT), motivational advice, Quitline referral
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Oct 20, 2026, 6:07 AM EDT
Completed No phase listed Observational

Medical Marijuana Use in HIV+ Patients Prospective Cohort Study

NCT01536899
View directory record Official record
Conditions
HIV Positive, Marijuana Smoking
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 70 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

UW-CTRI Triple Medication Smoking Cessation Study

NCT02681510
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, Nicotine Transdermal Patch, Nicotine Mini
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Cessation Service Use and Effectiveness for Hospitalized Smokers

NCT01236079
View directory record Official record
Conditions
Smoking
Interventions
Assisted referral & IVR
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
3
States / cities
Clackamas, Oregon • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

Messages About Reduced Nicotine in Combusted Tobacco Products

NCT05506046
View directory record Official record
Conditions
Health Communication, Smoking, Smoking, Tobacco, Smoking Behaviors, Risk Behavior
Interventions
Reduced nicotine message exposure, Modified risk message exposure, Combined message exposure (reduced nicotine + modified risk), Control message exposure
Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
18 Years and older
Enrollment
1,901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Interventions to Target Self-Control

NCT02281942
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Yoga, Education
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 20, 2026, 6:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Smoking Cessation Aid for Young Smokers

NCT00340483
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smoking cessation
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 22 Years
Enrollment
291 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 20, 2026, 6:07 AM EDT