Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 3, 2026, 9:25 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 338 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pro-Change Smoking Cessation Intervention

NCT02299076
Conditions
Tobacco Smoking Cessation, Motivation
Interventions
Behavioral economics incentives, Minimal incentives
Behavioral · Other
Lead sponsor
VAL Health, LLC
Industry
Eligibility
18 Years and older
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Old Greenwich, Connecticut
Conditions
Tobacco Use Disorder/Cigarette Smoking
Interventions
Multi-Theory Model (MTM)-Based Smoking Cessation Program
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 29 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional

Watchful Waiting of Incisional Hernias

NCT00351455
Conditions
Incisional Hernia, Ventral Hernia, Umbilical Hernia
Interventions
smoking cessation, tighter diabetic control, diet and exercise program
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Houston, Texas
Conditions
Smoking Cessation
Interventions
SmokefreeSGM
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Conditions
Tobacco Use Disorder
Interventions
smoking cessation intervention, cancer prevention, counseling intervention, educational intervention, laboratory biomarker analysis, questionnaire administration, survey administration, study of high risk factors
Behavioral · Other · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cancer and Tobacco Abuse
Interventions
Bupropion and intensive behavioral therapy
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

Helping Moms Quit Pilot Trial

NCT05041413
Conditions
Smoking Cessation
Interventions
Moms Quit, Text4Baby
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Smoking
Interventions
Telephone Care Coordination, Telephone Care Coordination with state Quitline
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Conditions
Smoking Cessation
Interventions
Personnel Training and Coaching Calls
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1,094 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
49
States / cities
Newark, Delaware • Augusta, Georgia • Savannah, Georgia + 36 more
Conditions
Vaping, Nicotine Dependence
Interventions
Double Blind Varenicline, Double Blind Placebo, QuitVaping, This Is Quitting
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 25 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Randomized Controlled Trial of a Smart Phone-Based Smoking Cessation Program

NCT04955639
Conditions
Smoking Cessation
Interventions
Control, Pivot
Other
Lead sponsor
Jennifer Marler, MD
Industry
Eligibility
21 Years and older
Enrollment
188 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Carlos, California
Conditions
Malignant Neoplasms of Mesothelial and Soft Tissue, Human Immunodeficiency Virus
Interventions
Screening Interview, Carbon Monoxide Test, Self-Help Materials, Visual Oral Screening Examination, Direct Fluorescent Oral Visualization Examination, Oral Biopsy
Behavioral · Device · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional

Smartstep Smartphone PAD

NCT03479255
Conditions
Peripheral Arterial Disease
Interventions
Smartphone-enabled structured exercise therapy (SE-SET), Standard exercise therapy
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 89 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Recruiting Not applicable Interventional Accepts healthy volunteers

CONNECTing to LungCare

NCT06213532
Conditions
Smoking Cessation, Cigarette Smoking-Related Carcinoma, Lung Carcinoma
Interventions
Smoking Cessation Intervention, Saliva Collection, Survey Administration
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Biomarkers in Children to Help Parents Quit Tobacco

NCT04832659
Conditions
Tobacco Dependence
Interventions
CEASE, CEASE + BIO
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
865 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Active, not recruiting Not applicable Interventional

Financial Incentives for Smoking Treatment II

NCT03979885
Conditions
Smoking Cessation, Tobacco Use Cessation
Interventions
Smoking cessation counseling (Quitline), Smoking cessation pharmacotherapy (e.g, nicotine replacement therapy), Financial incentives for smoking cessation, Financial incentives for use of evidence-based smoking cessation therapies
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
1,058 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Los Angeles, California • New York, New York
Conditions
Cigarette Smoking, Tobacco Smoking, Tobacco Use Disorder
Interventions
Sustained Care, Standard Care
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
3
States / cities
Boston, Massachusetts • Salem, Massachusetts • Pittsburgh, Pennsylvania
Conditions
Cigarette Smoking, Smoking, Tobacco
Interventions
Break the Chain, Clearing the Air
Behavioral
Lead sponsor
Oregon Center for Applied Science, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
307 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
Tobacco Dependence, Obesity, Mental Illness
Interventions
NH Medicaid Incentives Program
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
12
States / cities
Concord, New Hampshire • Derry, New Hampshire • Dover, New Hampshire + 7 more
Completed Phase 2 Interventional Accepts healthy volunteers

Healthy Adolescent Transitions (HAT)

NCT03194672
Conditions
Pregnancy Prevention, Life Skill Development
Interventions
Healthy Adolescent Transitions (HAT) program
Behavioral
Lead sponsor
Jack Stevens
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
331 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Helpers Program On-line Training on Smoking Relapse and Social Networks

NCT05641974
Conditions
Smoking, Cigarette Smoking
Interventions
Helpers Stay Quit Training
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 99 Years
Enrollment
940 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Living Donation
Interventions
Motivational Interviewing, Healthy Lifestyles Education
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Smoking Cessation
Interventions
Distress Tolerance Treatment for Weight Concern (DT-W), Health Education (HE), Smoking Cessation counseling, Transdermal Nicotine Patch
Behavioral · Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Smoking Cessation for American Indians

NCT01106456
Conditions
Smoking Cessation
Interventions
All Nations Breath of Life (ANBL), Nontailored program (NT), Pharmacotherapy
Behavioral · Drug
Lead sponsor
Won Choi, PhD, MPH
Other
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Kansas City, Kansas • Oklahoma City, Oklahoma