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 Nov 15, 2026, 1:50 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 103 matching trials from the live ClinicalTrials.gov search.
Conditions
Smoking Cessation, Food Insecurity
Interventions
Quitline Information with Reinforcement
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
21 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Cleveland, Ohio
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

Effectiveness of a Web-Assisted Quitline for Smokeless Tobacco Users

NCT00820495
Conditions
Tobacco Use Disorder
Interventions
Web + Phone, Web Only, Phone Only, Usual Care
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,683 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
San Diego, California • Eugene, Oregon
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Digitally Enhanced Smoking Cessation for High Risk Smokers

NCT04691297
Conditions
Smoking, Smoking Cessation, Lung Cancer Screening, Smoking, Tobacco, Smoking Behaviors
Interventions
Escape, Standard Care
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
55 Years to 77 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Completed Not applicable Interventional

Quitline Use in Surgical Patients

NCT00656500
Conditions
Tobacco Dependence
Interventions
Standard brief advice, Quitline intervention
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Combined Treatment for Tobacco and Alcohol Use in Puerto Rico

NCT00570804
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Parent eReferral to Tobacco Quitline

NCT02997735
Conditions
Secondhand Smoke
Interventions
Quitline Delivered Treatment
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Cigarette Smoking, Overweight, Obesity
Interventions
Weight gain prevention and smoking cessation, Smoking cessation
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
18 Years and older
Enrollment
2,540 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Technology-Enhanced Quitline Services to Prevent Smoking Relapse

NCT00888992
Conditions
Smoking Cessation
Interventions
Quitline Service + 10 automated monitoring calls, Quitline service + 20 automated monitoring calls
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
1,785 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Tobacco Cessation
Interventions
Telephone counseling 1 session, Mobile texting, Health incentive
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
HIV, AIDS, Smoking Cessation
Interventions
Algorithm Treatment, Quitline only
Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Smoking Cessation
Interventions
Nicotine Patch, Telephone Counseling, Placebo, Self-Help Materials
Drug · Behavioral · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
4,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Diego, California
Completed Not applicable Interventional Results available

Worksite Phone Counseling for Smoking Cessation

NCT02730260
Conditions
Smoking Cessation
Interventions
Nondirective smoking cessation coaching, Directive smoking cessation coaching
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Tobacco Use, Cancer
Interventions
Intensive Tobacco Treatment
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Limited Stage Small Cell Lung Cancer, Recurrent Small Cell Lung Cancer, Stage IA Non-small Cell Lung Cancer, Stage IB Non-small Cell Lung Cancer, Stage IIA Non-small Cell Lung Cancer, Stage IIB Non-small Cell Lung Cancer, Stage IIIA Non-small Cell Lung Cancer, Stage IIIB Non-small Cell Lung Cancer, Tobacco Use Disorder
Interventions
questionnaire administration, quality-of-life assessment, counseling intervention, internet-based intervention, telephone-based intervention, educational intervention, nicotine replacement therapy
Other · Procedure · Behavioral + 1 more
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Smoking Cessation
Interventions
Telephone Counseling, Fax-to-quit
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
1,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
New York, New York
Conditions
Smoking
Interventions
Telephone counseling, Self-help materials
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
San Diego, California
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
CIS - telephone cessation quitline counseling, Lozenge - nicotine mini-lozenges, Emails - Brief smoking prevention messages, Full website - standard smokefree.gov website content, Lite website - lite version of smokefree.gov, Full mailed booklet - NCI's detailed 36-page quit guide, brief mailed booklet - smaller version of NCI's booklet
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Smoking Cessation, Substance-Related Disorders
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Inpatient Smoking Cessation Pilot Program

NCT05060965
Conditions
Tobacco Use Cessation
Interventions
Nicotine lozenge, Nicotine gum, Nicotine patch, Maryland Quitline, John Hopkins Tobacco Treatment Clinic
Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Smoking Cessation CM for Veterans With or at Risk for Cancer

NCT06432985
Conditions
Tobacco Use Disorder, Substance Use Disorder
Interventions
Focus Group, Contingency Management (CM), TUD Treatment as Usual (TAU)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
San Francisco, California
Conditions
Smoking Cessation
Interventions
Telephone Counseling, Self-Help Materials
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 75 Years
Enrollment
2,277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Diego, California
Conditions
Smoking, Lung Cancer
Interventions
Telephone Counseling, Minimal Treatment
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
55 Years to 80 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Burlington, Massachusetts • Hackensack, New Jersey