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ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:38 PM EDT

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Showing 145–168 of 2,331 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Trial of a Harm Reduction Strategy for People With HIV Who Smoke Cigarettes

NCT05642715
View directory record Official record
Conditions
Hiv, Tobacco Use
Interventions
EX+, Varenicline, HR, TAU
Behavioral · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
40 Years to 79 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Healing Within: Mindfulness Smoking Cessation Intervention

NCT07013968
View directory record Official record
Conditions
Smoking Cessation
Interventions
culturally tailored, trauma-informed mindfulness smoking cessation intervention
Behavioral
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rapid City, South Dakota
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 19, 2026, 7:38 PM EDT
Not listed Phase 2 Interventional

Pennsylvania Adolescent Smoking Study (PASStudy)

NCT00381329
View directory record Official record
Conditions
Smoking Cessation
Interventions
Motivational Interviewing (MI), Structured Brief Advice (SBA)
Behavioral
Lead sponsor
Pennsylvania Department of Health
Government
Eligibility
14 Years to 18 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
3
States / cities
Allentown, Pennsylvania • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 30, 2009 · Synced Oct 19, 2026, 7:38 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

E-cigarette Cessation in Adults Who Co-use Cannabis

NCT06688539
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Varenicline Pill, Contingency management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Vaping and Smoking Withdrawal Project

NCT05772845
View directory record Official record
Conditions
Acute Abstinence From Cigarettes vs E-cigarettes (ENDS)
Interventions
Acute (24-hour) abstinence, Ad libitum smoking/vaping
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 50 Years
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoke-free Home Intervention in Permanent Supportive Housing

NCT04855357
View directory record Official record
Conditions
Smoking Cessation, Second Hand Tobacco Smoke
Interventions
Resident counselling, Staff Training
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Terminated Phase 2Phase 3 Interventional

Mindfulness Training Plus Oxytocin Effects on Smoking Behavior

NCT03819231
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Oxytocin, Mindfulness, Saline Solution, Sham mindfulness
Drug · Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2024 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional Results available

Accelerated Transcranial Magnetic Stimulation (TMS) for Smoking Cessation in People Living With HIV/AIDS (PLWHA)

NCT05295953
View directory record Official record
Conditions
Hiv, Tobacco Smoking
Interventions
TBS, Sham TMS
Device
Lead sponsor
Gopalkumar Rakesh
Other
Eligibility
18 Years to 60 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Semaglutide for Alcohol Use Disorder

NCT05520775
View directory record Official record
Conditions
Alcohol Use Disorder, Cigarette Smoking
Interventions
Semaglutide, Sham/placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 19, 2026, 7:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Mapping Brain Glutamate in Humans: Sex Differences in Cigarette Smokers

NCT05279053
View directory record Official record
Conditions
Sex, Cigarette Smoking
Interventions
Abstinence and Smoking
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Smartphone Based Smoking Cessation Intervention

NCT03740490
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smart-T + NRT, QuitGuide + NRT
Combination Product
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
454 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of e-Cigarettes on Perceptions and Behavior

NCT03742817
View directory record Official record
Conditions
Electronic Cigarettes
Interventions
e-Cigarette
Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional Results available

EHR-Based and Fax-Based Referral to a Tobacco Quitline: A Comparative Study

NCT02735382
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Smoking
Interventions
Tobacco quitline EHR referral, Tobacco quitline Fax referral
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Not listed
Enrollment
14,930 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 3, 2019 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional

Women Engaging in Quitting Smoking Together

NCT02453659
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 28, 2019 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pivot Breath Sensor Human Factors and Usability Study

NCT03835260
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco
Interventions
Pivot Breath Sensor
Device
Lead sponsor
Jennifer Marler, MD
Industry
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Home Smoking Restrictions: Biomarker Feedback to Smoking and Non-Smoking Adults

NCT01497158
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Self-help brochure, Biomarker feedback
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 19, 2026, 7:38 PM EDT
Active, not recruiting Not applicable Interventional

Financial Incentives for Smoking Treatment II

NCT03979885
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Electronic Cigarette Use on Cough Reflex Sensitivity

NCT02203162
View directory record Official record
Conditions
Cough
Interventions
electronic cigarette exposure
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

N-acetylcysteine for Tobacco Use Disorder

NCT02737358
View directory record Official record
Conditions
Nicotine Dependence, Smoking
Interventions
N-acetylcysteine (NAC), Placebo
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 19, 2026, 7:38 PM EDT
Terminated Not applicable Interventional

Culturally Tailored Educational Video to Promote Lung Cancer Screening in Vulnerable Communities

NCT06010355
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma, Lung Carcinoma
Interventions
Discussion, Media Intervention, Interview, Test
Procedure · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Not applicable Interventional

Integrating the Quit and Stay Quit Monday Model Into Smoking Cessation Services for Smokers With Mental Health Conditions

NCT04512248
View directory record Official record
Conditions
Smoking Cessation
Interventions
Quit and Stay Quit Monday Model
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Phase 1Phase 2 Interventional Results available

STARS (Smoking Treatment And Remote Sampling) Study

NCT04525755
View directory record Official record
Conditions
Smoking, Smoking Cessation, Tobacco Smoking, Cigarette Smoking
Interventions
Varenicline 0.5 MG, Nicotine Replacement Therapy (NRT)
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 19, 2026, 7:38 PM EDT
Completed Phase 2 Interventional Results available

Pilot Study of Tolcapone in Smokers

NCT01202955
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Tolcapone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 19, 2026, 7:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Smoking Cues on Tobacco Craving Responses and the Reinforcing Efficacy of Cigarettes in Adolescent Smokers

NCT01148355
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 19, 2026, 7:38 PM EDT