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 Jul 20, 2026, 6:39 PM 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 2,304 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Smoking Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing Source Credibility in Tobacco Regulatory Communications

NCT03339206
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Constituent message with FDA and quitline, Constituent message without FDA and quitline, Littering message (Control)
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combining Varenicline and Guanfacine for Smoking Cessation

NCT04198116
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline, Guanfacine ER
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 20, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Switch or Quit R01

NCT06373679
View directory record Official record
Conditions
Cigarette Smoking, Smoking Behaviors
Interventions
Switching to E-Cigarette, Switching using Medication
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Internet Stop Smoking Intervention to Usual Care on Smoking Cessation at 6 Months

NCT01639079
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

SmokefreeMOM: Reaching Pregnant Smokers With Health Information Via Text Messaging

NCT02412956
View directory record Official record
Conditions
Pregnancy, Smoking Cessation
Interventions
SmokefreeMOM Text
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
13 Years to 44 Years · Female only
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 25, 2021 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Results available

Effectiveness of The Step Up Wellness Program for People With Depression

NCT00644995
View directory record Official record
Conditions
Depression
Interventions
Step Up Wellness Program, Usual care
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 4 Interventional

Smoking Study With Behavioral Therapy for Hypertensive Patients

NCT00879177
View directory record Official record
Conditions
Cigarette Smoking, Hypertension
Interventions
Varenicline, behavioral therapy
Drug · Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Jul 20, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional

Mindfulness-based Ecological Momentary Intervention for Smoking Cessation Among Cancer Survivors

NCT07210567
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mindfulness, Quitline
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 20, 2026, 6:39 PM EDT
Not yet recruiting Not applicable Interventional

LLM Intervention for Tobacco in Underserved Populations (LIFT-UP)

NCT07620301
View directory record Official record
Conditions
Smoking Cessation
Interventions
LIFT-UP Chatbot
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Results available

Enhancing a High School Based Smoking Cessation Program

NCT01145001
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Cognitive Behavioural Therapy, Contingency Management, Nicotine Transdermal Patch
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
14 Years to 19 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Vaping THC From Electronic Cigarettes

NCT02955329
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Nicotine, Cannabis, PAX Loose Leaf Vaporizer
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Facilitating Implementation of the PHS Smoking Cessation Guidelines - RESET

NCT00057070
View directory record Official record
Conditions
Smoking Cessation, Randomized Controlled Trial
Interventions
Smoking cessation information, collection, and dissemination
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
19 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
2
States / cities
Minneapolis, Minnesota • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing the Efficacy of A Scalable, Telephone-Delivered, Guided Imagery Tobacco Cessation Intervention

NCT05277831
View directory record Official record
Conditions
Smoking Cessation, Smoking, Smoking Reduction, Smoking, Cigarette, Smoking (Tobacco) Addiction, Smoking Habit
Interventions
Guided Imagery Intervention, Standard Behavioral Control
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
1,209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electronic Cigarette Use in Young Adult Men and Women

NCT03089541
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Use
Interventions
Survey Arm
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 29 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD200902: Assessment of Indoor Air Quality for a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in an Environmental Testing Chamber

NCT05363254
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Smoking
Interventions
Marlboro Gold Box, Newport Box, Non-combusted cigarette variant 42001401, Non-combusted cigarette variant 42001399, Non-combusted cigarette variant 40007386, Non-combusted cigarette variant 42001402
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stockbridge, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 4 Interventional Results available

Identifying Optimal Smoking Cessation Intervention Components (Cessation)

NCT01116986
View directory record Official record
Conditions
Smoking, Smoking Cessation, Nicotine Dependence
Interventions
Counseling before quit attempt, Minimal In-person counseling during quit attempt, Intensive in-person counseling during the quit attempt, Minimal phone counseling during the quit attempt, Intensive phone counseling during the quit attempt, Long Term Nicotine Patch+ Nicotine Gum During Quit Attempt, Short Term Nicotine Patch + Nicotine Gum during the quit attempt, Pre-Quit Nicotine Gum, Pre-Quit Nicotine Patch, Pre-Quit Nicotine Patch + Pre-Quit Nicotine Gum
Behavioral · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 10, 2015 · Synced Jul 20, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial of Adaptive Treatment for Early Smoking Cessation Relapse

NCT06118502
View directory record Official record
Conditions
Cigarette Smoking, Smoking Behaviors, Treatment
Interventions
Switching to a different medication, Continued use of the same medication, Switching to a harm reduction tobacco product
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
544 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional

Identify the Usefulness of In-person and Virtual Quit Smoking Programs

NCT05181072
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Use
Interventions
Enhanced in-person peer-motivation smoking cessation, Virtual peer-motivation smoking cessation
Behavioral
Lead sponsor
Morgan State University
Other
Eligibility
21 Years and older
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

mHealth Mood Management Tool (Actify) to Improve Population-Level Smoking Cessation

NCT04525222
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Health Promotion and Education, Smoking Cessation Intervention (Actify app), Smoking Cessation Intervention (Current Standard Care app), Survey Administration
Other · Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Jul 20, 2026, 6:39 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Experimental Tobacco Marketplace in Regulating Flavored Tobacco Products in Menthol Cigarette Smokers

NCT03897530
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Smoking Cessation Intervention, Functional Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Jul 20, 2026, 6:39 PM EDT
Completed No phase listed Observational

Testing the Decoy Effect to Increase Tobacco Treatment Uptake

NCT04200157
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Online survey
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Not applicable Interventional

A Web Site and Print Materials Intervention for Smoking Intervention for Childhood and Young Adult Cancer Survivors

NCT00588107
View directory record Official record
Conditions
Cancer
Interventions
Web Intervention, print materials
Other · Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 30, 2014 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 3 Interventional

A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo and Zyban for Smoking Cessation

NCT00143364
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline (CP-526,555)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,005 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
15
States / cities
Palo Alto, California • San Diego, California • Denver, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2007 · Synced Jul 20, 2026, 6:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Pharmacokinetic Evaluation of Two Nicotine Patches in Smokers

NCT01702519
View directory record Official record
Conditions
Smoking
Interventions
nicotine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Jul 20, 2026, 6:39 PM EDT