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Showing 1–24 of 176 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Continue-smoking Clear all
Recruiting Not applicable Interventional

Penn Medicine Healthy Heart

NCT06062394
View directory record Official record
Conditions
Hypertension, Hyperlipidemias
Interventions
Penn Med Healthy Heart Program
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
35 Years to 80 Years
Enrollment
1,980 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Impact of Smoking on Outcomes and Complications in Total Joint Arthroplasty: A Prospective Crossover Study

NCT04592302
View directory record Official record
Conditions
Smoking, Total Joint Arthroplasty
Interventions
Blood Draw
Diagnostic Test
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years to 99 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 9, 2026, 9:22 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Metabolic Surgery for Atrial Fibrillation Elimination

NCT07027969
View directory record Official record
Conditions
Atrial Fibrillation, Obesity and Obesity-related Medical Conditions
Interventions
Roux-en-Y Gastric Bypass or Sleeve Gastrectomy, Anti-Obesity Medication (AOM) treatment
Procedure · Drug
Lead sponsor
Ali Aminian
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Terminated Phase 2 Interventional Results available

Carboplatin, Paclitaxel, and Bevacizumab With or Without Erlotinib Hydrochloride in Treating Non-Smokers With Advanced Non-Small Cell Lung Cancer

NCT00976677
View directory record Official record
Conditions
Recurrent Non-small Cell Lung Cancer, Stage IIIB Non-small Cell Lung Cancer, Stage IV Non-small Cell Lung Cancer
Interventions
erlotinib hydrochloride, paclitaxel, carboplatin, bevacizumab
Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
108
States / cities
Aurora, Colorado • Boulder, Colorado • Colorado Springs, Colorado + 65 more
Source: ClinicalTrials.gov public record
Updated May 29, 2014 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Phase 3 Interventional Results available

Metabolism Informed Smoking Treatment: The MIST RCT

NCT04590404
View directory record Official record
Conditions
Smoking
Interventions
Post-discharge automated phone calls (IVR) with option to connect with a tobacco coach., Nicotine Replacement Therapy, Varenicline, Metabolism Informed Smoking Treatment (Nicotine metabolite ratio (NMR)-based selection of pharmacotherapy)
Behavioral · Drug · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Phase 3 Interventional Results available

Extended Varenicline Treatment for Smoking Among Cancer Patients

NCT01756885
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Biomarkers of Exposure and Biomarkers of Potential Harm in Adult Smokers Who Completely Switch to E-vapor Products

NCT04800211
View directory record Official record
Conditions
Tobacco Use
Interventions
Experimental: Test Product 1, Experimental: Test Product 2
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
10
States / cities
Burbank, California • Wichita, Kansas • Lexington, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Withdrawn Early Phase 1 Interventional

Relapse Prevention in Stimulant Use Disorder

NCT04553263
View directory record Official record
Conditions
Stimulant Use, Relapse, Cognitive Function, ADHD
Interventions
Contrave 8Mg-90Mg Extended-Release Tablet, Bupropion
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting No phase listed Observational

A Study of Neurocognitive Tests and Questionnaires for People With Head and Neck Cancer Who Are Undergoing Radiation Therapy

NCT05207098
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Neurocognitive Tests, Questionnaires
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Results available

Promoting Successful Weight Loss in Primary Care in Louisiana

NCT02561221
View directory record Official record
Conditions
Obesity
Interventions
Lifestyle Counseling
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 75 Years
Enrollment
803 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Results available

Improving Medication Compliance and Smoking Cessation Treatment Outcomes for African American Smokers

NCT00781599
View directory record Official record
Conditions
Smokers
Interventions
Chantix, Adherence Counseling, Standard Counseling
Drug · Behavioral
Lead sponsor
Nikki Nollen, PhD, MA
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2012 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Results available

Promoting Smoking Cessation in Lung Cancer Screening Through Proactive Treatment

NCT03612804
View directory record Official record
Conditions
Smoking Reduction, Tobacco Use, Tobacco Smoking, Tomography, Lung Diseases, Lung Neoplasms
Interventions
Unsigned note to provider about cessation medication prescription, Proactive Telephone Counseling from VA Quitline
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 80 Years
Enrollment
944 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
3
States / cities
New York, New York • Providence, Rhode Island • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Quit Smoking Study for People Who Use E-Cigarettes

NCT04946825
View directory record Official record
Conditions
Nicotine Addiction, E-Cig Use, Quitting Smoking
Interventions
Nicotine replacement therapy patch, Nicotine replacement therapy lozenge, Quit electronic cigarettes, Continue electronic cigarettes
Drug · Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 29 Years
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Withdrawn Phase 2 Interventional

Relapse Prevention Study in Newly Abstinent Smokers

NCT00793468
View directory record Official record
Conditions
Substance Dependence
Interventions
GSK598809, Nicotine Replacement Transdermal Patch, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
10
States / cities
DeLand, Florida • Pembroke Pines, Florida • Stockbridge, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2016 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Phase 2 Interventional Results available

Effect of Varenicline on Fixed-Dose Alcohol Administration in Participants With Alcohol Use Disorders

NCT01000987
View directory record Official record
Conditions
Alcohol Reactivity
Interventions
varenicline, placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2018 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional Results available

E-cigarettes for Harm Reduction in Adults With Asthma

NCT05278065
View directory record Official record
Conditions
Smoking, Asthma, Electronic Cigarette Use, Cigarette Smoking
Interventions
Nicotine
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Completed No phase listed Observational

A Focus Group Study to Explore Smoking Triggers and Acceptability of Just-in-time Adaptive Intervent

NCT05231421
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking Behaviors
Interventions
Focus Group
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Not applicable Interventional

Computerized Anger-Reduction Treatment for Smoking Cessation

NCT02413814
View directory record Official record
Conditions
Anger, Smoking Cessation
Interventions
Anger Reduction Treatment, Control Condition
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 9, 2026, 9:22 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of E-cigarettes (ECIGs) on Pulmonary Inflammation and Behavior in HIV Infected Smokers

NCT02848586
View directory record Official record
Conditions
Lung Inflammation, HIV Seropositivity
Interventions
ECIGS, mobile contingency management (mCM), Usual brand
Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Phase 4 Interventional

Motivation Project: Testing Intervention Components for the Smoker Who is Unwilling to Quit

NCT02354872
View directory record Official record
Conditions
Smoking, Motivation, Smoking Cessation
Interventions
Nicotine Mini-Lozenge, Behavioral Reduction Counseling, 5Rs Motivation Counseling, Behavioral Activation Counseling, No Treatment
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 21, 2020 · Synced Sep 9, 2026, 9:22 PM EDT
Withdrawn Phase 2 Interventional

Electronic Nicotine Delivery Systems as a Smoking Cessation Treatment

NCT02487953
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine patch, ENDS, Placebo patch, Placebo ENDS
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Early Phase 1 Interventional

Theta Burst TMS as a Tool to Change Smoking Behavior

NCT02939339
View directory record Official record
Conditions
Smoking, Addiction
Interventions
continuous theta burst stimulation (real), continuous theta burst stimulation (sham)
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 22, 2018 · Synced Sep 9, 2026, 9:22 PM EDT
Recruiting Not applicable Interventional

Neural Correlates and Behavioral Impact of Withdrawal-induced Hyperalgesia Among People Who Smoke With and Without Chronic Pain

NCT06983678
View directory record Official record
Conditions
Tobacco Use, Chronic Pain
Interventions
Smoking as usual fMRI session, Abstinent fMRI session
Behavioral
Lead sponsor
Duke University
Other
Eligibility
21 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Sep 9, 2026, 9:22 PM EDT
Completed Phase 4 Interventional Results available

Varenicline Effects In Schizophrenic Smokers

NCT00548470
View directory record Official record
Conditions
Schizophrenia, Tobacco Use Disorder, Nicotine Dependance
Interventions
Varenicline
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Sep 9, 2026, 9:22 PM EDT