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ClinicalTrials.gov public records Last synced Oct 14, 2026, 9:13 PM EDT

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Showing 193–216 of 273 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: varenicline tartrate Clear all
Completed Not applicable Interventional

Smoking Relapse-Prevention Intervention for Cancer Patients

NCT01630161
View directory record Official record
Conditions
Smoking Cessation
Interventions
Usual Care, Smoking Relapse Prevention for Cancer Patients (SRP-CaP)
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Results available

Varenicline for Nicotine Dependence Among Those With HIV/AIDS

NCT01710137
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
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 2 Interventional Results available

Varenicline (Chantix™) for the Treatment of Alcohol Dependence

NCT00705523
View directory record Official record
Conditions
Alcoholism
Interventions
varenicline, placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Varenicline OTC Trial on Efficacy and Safety

NCT03557294
View directory record Official record
Conditions
Tobacco Dependence, Withdrawal Symptoms, Smoking Cessation
Interventions
1.0mg Varenicline b.i.d., 0.5mg Varenicline b.i.d., 0.0mg placebo Varenicline b.i.d.
Drug
Lead sponsor
Arizona State University
Other
Eligibility
21 Years and older
Enrollment
313 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
Phoenix, Arizona • Burbank, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 2 Interventional

Study to Determine the Safety and Tolerability of Varenicline (Chantix®) in Treating Spinocerebellar Ataxia Type 3

NCT00992771
View directory record Official record
Conditions
Spinocerebellar Ataxia Type 3
Interventions
varenicline, placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Los Angeles, California • Gainesville, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 18, 2012 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Not applicable Interventional Results available

Varenicline or Nicotine Patch in Promoting Smoking Cessation Among Current Smokers

NCT01771627
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
varenicline, nicotine patch
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of a Tailored Smoking Cessation Treatment Algorithm Based on Initial Treatment Response and Genotype

NCT00894166
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patches, Nicotine patches, then bupropion & nicotine patches (Pre-Quit), Nicotine patches, then varenicline (Pre-Quit), Nicotine patches, then nicotine patches (Pre-Quit), Nicotine patches, then bupropion & nicotine patches (Post-Quit), Nicotine patches, then varenicline (Post-Quit), Nicotine patches, then nicotine patches (Post-Quit)
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charlotte, Durham, Raleigh, Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 23, 2013 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 4 Interventional Results available

A Study To Evaluate The Efficacy And Safety Of Varenicline Compared To Placebo For Smoking Cessation Through Reduction

NCT01370356
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline Tartrate, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,510 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
14
States / cities
Encino, California • Newport Beach, California • Jacksonville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2014 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Advancing Tobacco Use Treatment for African American Smokers

NCT02360631
View directory record Official record
Conditions
Smoking Cessation
Interventions
Chantix, Placebo
Drug
Lead sponsor
Lisa Sanderson Cox, PhD
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Oct 14, 2026, 9:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Electronic Health Record-Enabled Evidence-Based Smoking Cessation Quality Improvement Implementation Program

NCT04107857
View directory record Official record
Conditions
Smoking Cessation
Interventions
ELEVATE enhancement to electronic health record (EHR) to improve cessation counseling offer, ELEVATE enhancement to electronic health record (EHR) to improve smoking cessation medication offer, Data Driven Feedback reports
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 4 Interventional Results available

Cannabis and Tobacco Co-use Study

NCT04228965
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Varenicline, Contingency Management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Charleston, South Carolina • Florence, South Carolina • Pickens, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Not applicable Interventional Results available

A Pilot Clinical Trial of Varenicline as a Treatment for Alcohol Dependence

NCT01011907
View directory record Official record
Conditions
Substance Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 75 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Emeryville, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 2 Interventional

A Seven-Week Dose-Ranging Study of CP-526,555 Compared With Placebo and Zyban for Smoking Cessation

NCT00150241
View directory record Official record
Conditions
Smoking Cessation
Interventions
CP-526,555 (varenicline)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
7
States / cities
Los Angeles, California • Farmington, Connecticut • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Oct 14, 2026, 9:13 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 14, 2026, 9:13 PM EDT
Recruiting Phase 4 Interventional

Varenicline and Accelerated Transcranial Magnetic Stimulation (TMS) for Quitting Nicotine Use (Pilot Study)

NCT07145866
View directory record Official record
Conditions
Nicotine Dependence, Transcranial Magnetic Stimulation, Vaping, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Varenicline, Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham, Nicotine Cessation Counseling, D-cycloserine
Drug · Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Individualizing Pharmacotherapy for African American Smokers

NCT03897439
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, Varenicline Tartrate, Bupropion
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Chantix & Bupropion for Smoking Cessation

NCT00587769
View directory record Official record
Conditions
Smoking, Tobacco Use Disorder
Interventions
Bupropion SR & Varenicline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Maintaining Nonsmoking

NCT01162239
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Initial Individual counseling, Check-ins with medical staff, Extended Individual Counseling - Health Model, Extended Individual Counseling - Relapse Prevention Model
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 2 Interventional Results available

A Phase II Trial of Varenicline for the Treatment of Cocaine Dependence

NCT01680887
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Oct 14, 2026, 9:13 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 11, 2012 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Combination of E-cigarettes and Varenicline for Tobacco Harm Reduction

NCT04210180
View directory record Official record
Conditions
Smoking Cessation, Harm Reduction
Interventions
Varenicline, e-cigarette
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Oct 14, 2026, 9:13 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 14, 2026, 9:13 PM EDT
Terminated Early Phase 1 Interventional

Smoking Cessation Treatment for Head and Neck Cancer Patients

NCT00931021
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline (Chantix), Nicotine Patch
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Oct 14, 2026, 9:13 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Tailored Tobacco Quitline for Rural Veterans

NCT01592695
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Nicotine replacement therapy - transdermal nicotine patch, Tailored behavioral intervention, Tobacco quit line referral, Nicotine replacement therapy - nicotine gum, Nicotine replacement therapy - nicotine lozenge, Bupropion Sustained Release, Varenicline, Combination pharmacotherapy - transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - transdermal nicotine patch + bupropion, Alcohol use risk reduction, Behavioral activation for the treatment of depression, Behavioral management of post-cessation weight gain
Drug · Behavioral
Lead sponsor
Iowa City Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 2, 2019 · Synced Oct 14, 2026, 9:13 PM EDT