Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 2, 2026, 11:19 PM EST

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Conditions
Smoking
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Long-term Varenicline Treatment for Smoking Cessation

NCT00828113
Conditions
Smoking
Interventions
varenicline, Individual smoking cessation counseling
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Conditions
Smoking Cessation
Interventions
Contingency management, Nicotine replacement therapy, Varenicline, Additional behavioral support
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Phase 4 Interventional Accepts healthy volunteers

A Trial of Directly Observed and Long-term Varenicline

NCT03365362
Conditions
Tobacco Use Disorder, Opioid-use Disorder
Interventions
Long-Term Varenicline, Short-Term Varenicline, Directly Observed Therapy, Self Administered Therapy
Drug · Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
The Bronx, New York