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ClinicalTrials.gov public records Last synced Oct 13, 2026, 10:19 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 Phase 2 Interventional

Tobacco Use Intervention Among Radiation Oncology Patients

NCT00587353
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Behavioral and pharmacologic tobacco use intervention
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2012 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 4 Interventional Results available

Varenicline for Cognitive Deficits and Cigarette Smoking in Schizophrenia - Efficacy and Predictors

NCT00802919
View directory record Official record
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Varenicline, Placebo for varenicline
Drug
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 13, 2026, 10:19 PM EDT
Withdrawn Phase 4 Interventional

Effects of Varenicline in Heavy Drinking Smokers

NCT02488889
View directory record Official record
Conditions
Cigarette Smoking, Alcohol Consumption
Interventions
Varenicline, Placebo pill (for varenicline), Alcohol, placebo beverage (for alcohol)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 13, 2026, 10:19 PM EDT
Recruiting Phase 3 Interventional

V+PSF-M for Tobacco Cessation in HIV Care in India

NCT05786547
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Tobacco
Interventions
Varenicline, Positively Smoke Free Mobile (PSF-M), Standard Care
Drug · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Varenicline on Cigarette Self Administration

NCT00731055
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Not applicable Interventional

Smoking Interventions for Hospital Patients

NCT01177176
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Extended Care Management, Standard Care
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Translational Neuropsychopharmacology Research of Nicotine Addiction

NCT02723162
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Varenicline (VRN), N-Acetylcysteine (NAC), Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Oct 13, 2026, 10:19 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 13, 2026, 10:19 PM EDT
Withdrawn Phase 2 Interventional

Assessing the Impact of Varenicline on Brain-Behavior Vulnerability

NCT00895557
View directory record Official record
Conditions
Varenicline and the Blunting of Cocaine Cues
Interventions
chantix
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Oct 13, 2026, 10:19 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

New Strategies to Enhance Smoking Cessation

NCT06751927
View directory record Official record
Conditions
Smoking Cessation
Interventions
Educational Video
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 3 Interventional Results available

Smoking Cessation Study for Patients With Schizophrenia or Schizoaffective Disorder

NCT00644969
View directory record Official record
Conditions
Smoking Cessation
Interventions
placebo, varenicline (CP-526,555)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
9
States / cities
Aurora, Colorado • Farmington, Connecticut • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2011 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Early Phase 1 Interventional

Varenicline + Prazosin for Heavy Drinking Smokers

NCT02193256
View directory record Official record
Conditions
Cigarette Smoking, Alcohol Use Disorders
Interventions
Varenicline, Prazosin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Oct 13, 2026, 10:19 PM EDT
Terminated Phase 4 Interventional Results available

Varenicline For Nicotine Vaping Cessation In Non Smoker Vaper Adolescents

NCT04602494
View directory record Official record
Conditions
Vaping, Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Combining Varenicline and Bupropion for Smoking Cessation

NCT00943618
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline, Bupropion, Placebo, Counseling/Phone Calls
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 70 Years
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 13, 2026, 10:19 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Study of Varencline Effects on Cigarette Smoking Reward and Craving During a Model of Brief Quit Attempt

NCT00571805
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varencline, placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Oct 13, 2026, 10:19 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 13, 2026, 10:19 PM EDT
Recruiting Phase 4 Interventional

Varenicline for Smoking Reduction in Veterans Not Ready To Quit

NCT06966362
View directory record Official record
Conditions
Veterans, Tobacco Use Disorder, Cigarette Smoking, Tobacco Dependence
Interventions
Motivation-Phase Varenicline, Motivation-Phase Nicotine Mini-Lozenge, Cessation-Phase Combination Nicotine Replacement Therapy (NRT), Cessation-Phase Varenicline, Motivation-Phase Counseling, Cessation-Phase Counseling
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
San Diego, California • Minneapolis, Minnesota • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 2 Interventional Results available

A Novel Human Lab Model for Screening AUD Medications

NCT04249882
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Placebo, Naltrexone, Varenicline
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 4 Interventional

Smoking Study With Behavioral Therapy for Hypertensive Patients

NCT00879177
View directory record Official record
Conditions
Cigarette Smoking, Hypertension
Interventions
Varenicline, behavioral therapy
Drug · Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 3 Interventional Results available

Mechanistic Evaluations of Pre-Cessation Therapies for Smoking Cessation

NCT01406223
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Bupropion, Nicotine patches, Placebo varenicline, Placebo bupropion, Placebo patch
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2017 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 4 Interventional Results available

Tobacco Treatment Comparison for Cancer Care

NCT06218823
View directory record Official record
Conditions
Smoking Cessation, Cancer
Interventions
Transdermal Nicotine Patch, Standard Telephone Counseling, Varenicline, Cancer-Targeted Telephone Counseling, Mailed Information about Standard Care Resources
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Varenicline to Reduce Alcohol Consumption in Heavy Drinkers

NCT00695500
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Vijay Ramchandani, Ph.D.
NIH
Eligibility
21 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2016 · Synced Oct 13, 2026, 10:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline and Nicotine Interactions in Humans (VA)

NCT00606892
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline, Placebo, IV Nic
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 13, 2026, 10:19 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pharmaceutically-Enhanced Reinforcement for Reduced Alcohol and Smoking

NCT05181891
View directory record Official record
Conditions
Alcohol Use Disorder (AUD), Nicotine Use Disorder
Interventions
Contingency Management, Non-contingent control
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 13, 2026, 10:19 PM EDT