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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 21, 2026, 9:06 AM 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 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Smoking Prevention Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Perceived Effectiveness of Vaping Prevention Ads Among Adolescents and Young Adults

NCT07116837
View directory record Official record
Conditions
Vaping
Interventions
Vaping prevention video ads
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
13 Years to 20 Years
Enrollment
3,113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intranet-based Tobacco Prevention Program for Children

NCT00680875
View directory record Official record
Conditions
Health Promotion, Tobacco Smoking
Interventions
Click City
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
9 Years to 14 Years
Enrollment
3,225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 13, 2011 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Combined Treatment for Tobacco and Alcohol Use in Puerto Rico

NCT00570804
View directory record Official record
Conditions
Smoking
Interventions
Telephone Counseling, Telephone Assessments
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Sep 21, 2026, 9:06 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Preventing Relapse Following Involuntary Smoking Abstinence

NCT01374724
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Tobacco Use Ban, Tailored Pamphlet, Informational Pamphlet, Relapse Prevention Intervention
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
23,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
2
States / cities
Memphis, Tennessee • Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Curbing Tobacco Use in Suburban and Rural Schools

NCT00513097
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Smoking Prevention Program, Focus Group, Survey
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
14 Years to 16 Years
Enrollment
1,289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Smoking Cessation in Pediatric Primary Care

NCT01312480
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

A Smoking Prevention Program (ASPIRE) and Mentoring for Preventing Smoking Among High School Youths

NCT04803682
View directory record Official record
Conditions
Healthy Subject
Interventions
Preventive Intervention, Questionnaire Administration
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
13 Years to 18 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Sep 21, 2026, 9:06 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Guiding Good Choices for Health

NCT04040153
View directory record Official record
Conditions
Adolescent Substance Use
Interventions
Guiding Good Choices
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
11 Years to 12 Years
Enrollment
3,636 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
3
States / cities
Oakland, California • Aurora, Colorado • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 2, 2024 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Chantix on Relapse Prevention for Smoking Cessation

NCT00948649
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Placebo, Varenicline
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Phase 2 Interventional

Pharmacologic Relapse Prevention for Alcoholic Smokers

NCT00000457
View directory record Official record
Conditions
Alcoholism, Smoking
Interventions
bupropion (Wellbutrin), Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 20, 2013 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Zileuton With or Without Celecoxib As Chemopreventive Agents in Smokers

NCT01021215
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Zileuton, Celecoxib, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2015 · Synced Sep 21, 2026, 9:06 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Ask Advise Connect (AAC) Harris Heath CPRIT

NCT01788787
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Quitline-Delivered Proactive Telephone Counseling, Follow-Up Phone Call, Smoking Cessation Training, Qualitative Interviews Concerning the Implementation of AAC
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2049
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Sep 21, 2026, 9:06 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Evaluation of The Stanford Tobacco Prevention Toolkit

NCT04467034
View directory record Official record
Conditions
Behavior, Health, Behavior, Smoking
Interventions
Stanford Tobacco Prevention Toolkit curriculum
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
11 Years to 20 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Sep 21, 2026, 9:06 AM EDT
Active, not recruiting Not applicable Interventional

Post Acute Cardiac Event Smoking (PACES) Study

NCT03413423
View directory record Official record
Conditions
Acute Coronary Syndrome, Tobacco Use
Interventions
BAT-CS, Smoking Cessation and Health & Wellness
Behavioral
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Media Literacy for High School Tobacco Prevention

NCT05120466
View directory record Official record
Conditions
Adolescent Behavior, Tobacco Use, E-Cig Use
Interventions
AD IT UP media literacy intervention, Usual health education curriculum
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 17 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 21, 2026, 9:06 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Maternal Smoking Cessation and Pediatric Obesity Prevention

NCT03514602
View directory record Official record
Conditions
Childhood Obesity, Smoking, Cigarette, Pregnancy
Interventions
Multicomponent behavioral intervention, Education only control
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hypnosis for Smoking Relapse Prevention

NCT00770380
View directory record Official record
Conditions
Smoking
Interventions
behavioral relapse prevention counseling, hypnosis for relapse prevention
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Results available

Phone-Based Postpartum Continuing Care for Smoking Cessation

NCT01684592
View directory record Official record
Conditions
Smoking Cessation, Pregnancy
Interventions
Phone-based postpartum continuing care, Standard care
Behavioral
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Bloomington, Illinois • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cognitive and Emotional Skills to Aid Smoking Prevention

NCT03058991
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Distress Tolerance Intervention, Working Memory Intervention, Control Informational Intervention
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
12 Years to 16 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Obesity Prevention After Smoking Cessation in Menopause

NCT00064961
View directory record Official record
Conditions
Obesity, Menopause
Interventions
Individualized dietary-control and exercise program, Weight-management and smoking cessation maintenance, Smoking Cessation program
Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
45 Years to 59 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Celecoxib as a Chemopreventive Agent in Current and Former Smokers

NCT00981201
View directory record Official record
Conditions
Smoking, Prevention
Interventions
Celecoxib, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 74 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2012 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional

Web and Phone Intervention to Maintain Postpartum Tobacco Abstinence

NCT01864954
View directory record Official record
Conditions
Smoking
Interventions
Web+phone
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Sep 21, 2026, 9:06 AM EDT
Terminated Phase 3 Interventional Results available

Simvastatin Therapy for Moderate and Severe COPD

NCT01061671
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
simvastatin, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years to 80 Years
Enrollment
885 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
35
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 26 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2018 · Synced Sep 21, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving the Delivery of Smoking Cessation Guidelines in Hospitalized Veterans

NCT00816036
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Smoking Cessation Guideline Implementation
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
4
States / cities
Denver, Colorado • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Sep 21, 2026, 9:06 AM EDT