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ClinicalTrials.gov public records Last synced Oct 9, 2026, 2:48 PM EDT

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Showing 121–136 of 136 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo varenicline Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Varenicline Augmentation of Patch Outcomes in Heavy Drinkers' Smoking Cessation

NCT02859142
View directory record Official record
Conditions
Smoking Cessation, Alcohol Drinking
Interventions
Chantix, Behavioral Counseling Sessions, NicodermCQ, Placebo
Drug · Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 85 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 4 Interventional

Evaluation of Tear Film Quality and Stability in Subjects With Dry Eye Disease Using OC-01 (Varenicline Solution) Nasal Spray 0.03 mg as Compared to Vehicle Control Nasal Spray

NCT05514041
View directory record Official record
Conditions
Dry Eye Disease
Interventions
Varenicline solution, Placebo nasal spray (OC-01 Vehicle Nasal Spray)
Drug
Lead sponsor
Stephenson Eye Associates
Other
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Venice, Florida
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 9, 2026, 2:48 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Withdrawn Phase 1Phase 2 Interventional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 9, 2026, 2:48 PM EDT
Recruiting Phase 2 Interventional

Reducing Falls With Varenicline in Hypocholinergic Parkinson Disease

NCT06679374
View directory record Official record
Conditions
Parkinson Disease
Interventions
Placebo, Varenicline
Drug
Lead sponsor
Vikas Kotagal
Other
Eligibility
45 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline and Bupropion for Smoking Cessation

NCT00935818
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, placebo, bupropion SR
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
506 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
3
States / cities
Minneapolis, Minnesota • Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Results available

Varenicline Light Smoking Pilot

NCT04089982
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking
Interventions
Varenicline, Placebo oral tablet
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 3 Interventional Results available

Pharmacogenetics of Nicotine Addiction Treatment

NCT01314001
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Varenicline, Placebo, Transdermal Nicotine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
1,246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
3
States / cities
Buffalo, New York • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2016 · Synced Oct 9, 2026, 2:48 PM EDT
Terminated No phase listed Observational

Tobacco Dependence in Breast Cancer Patients Trial of Varenicline (Chantix)

NCT01532232
View directory record Official record
Conditions
Breast Cancer, Tobacco Dependence
Interventions
placebo, varenicline
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 1 Interventional

Varenicline as a Treatment for Methamphetamine Dependence

NCT01571167
View directory record Official record
Conditions
Methamphetamine Dependence, Methamphetamine Abuse, Substance Abuse
Interventions
Placebo, Varenicline
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2013 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Human Laboratory Study of Varenicline for Alcohol Use Disorder

NCT03035708
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Varenicline, Placebo oral capsule
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
New Haven, Connecticut • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 23, 2019 · Synced Oct 9, 2026, 2:48 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 9, 2026, 2:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline for the Treatment of Smokeless Tobacco

NCT00813917
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 16, 2012 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Results available

Assessing Neuropsychiatric Symptoms Including Depression, Anxiety, Irritability, and Suicidal Thoughts or Behavior in Subjects Quitting Smoking on Varenicline Tartrate or Placebo

NCT00749944
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Austin, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 31, 2010 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Genetically Informed Smoking Cessation Trial

NCT02351167
View directory record Official record
Conditions
Smoking Cessation
Interventions
Combination NRT (Nicotine patch, Nicotine lozenge), Varenicline, Placebo, Intensive smoking counseling
Drug · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years and older
Enrollment
822 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Results available

Varenicline for Nicotine Vaping Cessation in Adolescents

NCT05367492
View directory record Official record
Conditions
Vaping, Nicotine Dependence
Interventions
Double Blind Varenicline, Double Blind Placebo, QuitVaping, This Is Quitting
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 25 Years
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 9, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Varenicline: Testing Individual Differences

NCT01228175
View directory record Official record
Conditions
Smoking Addiction
Interventions
Placebo, Varenicline
Drug
Lead sponsor
The Mind Research Network
Other
Eligibility
18 Years to 55 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 9, 2026, 2:48 PM EDT