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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:02 AM EDT

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Showing 73–96 of 2,080 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Behavior Clear all
Terminated Phase 1 Interventional Accepts healthy volunteers

Chiropractic Treatment With Counseling Versus Counseling Alone for Promoting Smoking Cessation

NCT01689168
View directory record Official record
Conditions
Smoking
Interventions
Counseling, Chiropractic adjustment
Behavioral · Procedure
Lead sponsor
Southern California University of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Whittier, California
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Familias Unidas: Preventing Substance Abuse in Hispanic Youth

NCT01038206
View directory record Official record
Conditions
Prevention, Family Function, Substance Use, Sexual Behavior
Interventions
Familias Unidas
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years and older
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

PK/PD Comparison of Guanfacine ER and IR

NCT01904526
View directory record Official record
Conditions
Smoking
Interventions
Guanfacine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD170501: Study to Assess Biomarkers of Tobacco Exposure in Smokers During In-Clinic Confinement Switch to an Electronic Cigarette

NCT03170674
View directory record Official record
Conditions
Smoking
Interventions
FT21039, FT21092, FT21018
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Overland Park, Kansas • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2017 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Different Theories of Smoking Cessation: An Intervention Study

NCT01209897
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smoking cessation booklet
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
1,826 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Results available

Smoking Cessation E-Visit

NCT04316260
View directory record Official record
Conditions
Smoking
Interventions
Smoking cessation e-visit, Treatment As Usual
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 8, 2020 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism

NCT02999399
View directory record Official record
Conditions
Smoking
Interventions
Brussel Sprouts, Deuterated Phenanthrene
Other · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 21, 2026, 1:02 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Mobile App for Smoking Cessation and Mental Health

NCT04887558
View directory record Official record
Conditions
Smoking Cessation, Mental Illness
Interventions
Smart-T Mental Health+ and NRT, QuitGuide + NRT
Combination Product
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Yoga as a Complementary Therapy for Smoking Cessation

NCT01809678
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Smoking Cessation, Yoga, Wellness
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 19, 2021 · Synced Oct 21, 2026, 1:02 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Electroretinogram: a New Human Biomarker for Smoking Cessation Treatment

NCT03213418
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use, Tobacco Dependence, Tobacco Use Disorder, Tobacco Smoking, Cigarette Smoking, Nicotine Dependence, Nicotine Use Disorder, Smoking, Smoking, Cigarette
Interventions
Contingency management
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2023 · Synced Oct 21, 2026, 1:02 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 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reactions to E-cigs and Alcohol

NCT03449017
View directory record Official record
Conditions
Alcohol Abuse, Nicotine Dependence Tobacco Product
Interventions
E-cig use
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 29, 2018 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Carbon Monoxide Breath Sensor System Performance, Human Factors, and Usability Assessment Conducted in a Single Visit

NCT03148613
View directory record Official record
Conditions
Smoking, Tobacco
Interventions
Carbon Monoxide Breath Sensor System (COBSS), Bedfont - Micro+™ Smokerlyzer®
Device
Lead sponsor
David Utley, MD
Industry
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Dronabinol (Oral THC) on Cannabis Use

NCT01394185
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Dronabinol 120mg/day, Placebo, Dronabinol 240mg/day
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of the Nicotine Patch in Suppressing Nicotine Withdrawal Symptoms in Women Versus Men - 1

NCT00218140
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
nicotine transdermal system
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2005
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Switching From Usual Brand Cigarettes to a Tobacco-heating Cigarette or Snus

NCT02061917
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Tobacco-Heating Cigarette, Snus (Smokeless Tobacco), Tobacco-Burning Cigarette
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
28 Years to 55 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
5
States / cities
Daytona Beach, Florida • Boise, Idaho • Portland, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 1 Interventional Results available

Mindfulness-Based Ecological Momentary Intervention For Smoking Cessation Among Cancer Survivors

NCT06476548
View directory record Official record
Conditions
Any Cancer Type
Interventions
EMI
Device
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of Losartan in Preventing Progression of COPD

NCT00720226
View directory record Official record
Conditions
COPD, Emphysema, Chronic Bronchitis, Smoking
Interventions
Losartan, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Tobacco and Socioeconomic Disadvantage

NCT03620708
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Motivational Interviewing, Nicotine Replacement Therapy Sampling, Referral Only
Behavioral · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 21, 2026, 1:02 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Predicting Sleep, Smoking, and Lung Health Disparities in African American Adults

NCT03534076
View directory record Official record
Conditions
Sleep, Lung Diseases, Smoking
Interventions
Cohort Observational study
Other
Lead sponsor
Temple University
Other
Eligibility
40 Years to 67 Years
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Results available

SmokefreeSGM, A Text-based Smoking Cessation Intervention for Sexual and Gender Minority Groups

NCT05029362
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 21, 2026, 1:02 AM EDT
Terminated Phase 1Phase 2 Interventional

Study of EMB-001 as a Potential Smoking Cessation Treatment

NCT04933916
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
EMB-001
Drug
Lead sponsor
Embera NeuroTherapeutics, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Miami Lakes, Florida • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2023 · Synced Oct 21, 2026, 1:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Computers to Assist in Parental Smoking Cessation in a Pediatric Setting

NCT01334216
View directory record Official record
Conditions
Cigarette Smoking
Interventions
CHICA Smoking Cessation Module, CHICA Placebo
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
362 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 21, 2026, 1:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Learning Study for a Mobile Smoking Cessation Program

NCT04857515
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking Reduction, Smoking, Cigarette, Smoking, Nicotine Dependence
Interventions
Clickotine®
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 21, 2026, 1:02 AM EDT