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ClinicalTrials.gov public records Last synced Oct 8, 2026, 6:05 PM EDT

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Showing 49–72 of 273 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Varenicline tartrate Clear all
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 8, 2026, 6:05 PM EDT
Completed Phase 4 Interventional

Varenicline Treatment in Alcohol and Nicotine Dependent Patients With Schizophrenia

NCT00727103
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Alcohol Dependence, Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 69 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of the Effects of Mecamylamine and Varenicline in Schizophrenia

NCT00455650
View directory record Official record
Conditions
Cognition in Schizophrenia
Interventions
Mecamylamine, Varenicline, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 68 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Oct 8, 2026, 6:05 PM EDT
Completed Phase 1 Interventional

Varenicline on Reward Responses and Cognition in Adolescent Smokers

NCT01624428
View directory record Official record
Conditions
Tobacco Use Disorders
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
16 Years to 19 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Oct 8, 2026, 6:05 PM EDT
Withdrawn Not applicable Interventional

Mood and Anti-craving Effects of Varenicline in Psychiatric Inpatients

NCT00525928
View directory record Official record
Conditions
Smoking, Depressive Disorder
Interventions
varenicline
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 21, 2015 · Synced Oct 8, 2026, 6:05 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline Treatment for Active Alcoholic Smokers

NCT01347112
View directory record Official record
Conditions
Smoking, Tobacco Dependence, Alcohol Dependence
Interventions
Varenicline, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Menstrual Cycle Effects on Smoking Cessation and Cue Reactivity

NCT00664755
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, transdermal nicotine patch
Drug · Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Oct 8, 2026, 6:05 PM EDT
Completed Phase 3 Interventional Results available

Optimizing Smoking Cessation for People With HIV/AIDS Who Smoke

NCT02460900
View directory record Official record
Conditions
Smoking, HIV
Interventions
Varenicline, Positively Smoke Free, Placebo, Standard of Care
Drug · Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT
Completed Phase 3 Interventional

A 52-Week Multicenter Study Evaluating the Safety and Efficacy of Varenicline for the Maintenance of Smoking Cessation

NCT00143286
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline (CP-526,555)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
6
States / cities
Santa Ana, California • West Palm Beach, Florida • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2007 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

EVarQuit: Extended Pre-quit Varenicline to Assist in Quitting Smoking

NCT03262662
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Varenicline, Brief smoking cessation counseling
Drug · Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 70 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Oct 8, 2026, 6:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Varenicline and Combined NRT for Smoking Cessation

NCT02271919
View directory record Official record
Conditions
Cigarette Smoker, Tobacco Use Disorder
Interventions
Nicotine Lozenge, Nicotine Patch, Placebo, Tobacco Cessation Counseling, Varenicline
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
631 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating the Absorption Of Varenicline Through The Skin Following Once Daily Application Of A Patch For 14 Days

NCT01234142
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline free base patch, placebo patch
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2011 · Synced Oct 8, 2026, 6:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment Outreach to Reduce Disparities for Primary Care Populations

NCT01156610
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Tobacco Treatment
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
706 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 6, 2014 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Trial of Varenicline With Nicotine Lozenges and a Smartphone Medication Adherence Intervention for Smoking Cessation

NCT07099638
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline (VAR), Nicotine lozenge (NRT), Smartphone intervention with adherence components (COMBO-A), Smartphone intervention without adherence components (COMBO-B), Telephone Counseling
Drug · Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
496 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 8, 2026, 6:05 PM EDT
Terminated Phase 4 Interventional Results available

Pilot Study of Nicotine Nasal Spray and Varenicline on Smoking in Methadone-Maintained Patients

NCT02147132
View directory record Official record
Conditions
Cigarette Smoking, Methadone Maintenance
Interventions
Nicotine Nasal Spray, Varenicline, Placebo Nasal Spray, Placebo Varenicline
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 5, 2018 · Synced Oct 8, 2026, 6:05 PM EDT
Completed Phase 4 Interventional Results available

Nasal Spray Study in Sjogren's Dry Eye Disease

NCT05700422
View directory record Official record
Conditions
Sjogren's Syndrome, Dry Eye
Interventions
Varenicline Nasal Spray
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Oct 8, 2026, 6:05 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 8, 2026, 6:05 PM EDT