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ClinicalTrials.gov public records Last synced Sep 29, 2026, 5:01 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Completed Phase 3 Interventional Accepts healthy volunteers

Improving Varenicline Adherence and Outcomes in Homeless Smokers

NCT00786149
Conditions
Tobacco Use Cessation
Interventions
Varenicline plus Motivational Interviewing counseling, Varenicline without counseling
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
428 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Varenicline In-Patient Study

NCT01413516
Conditions
Smoking Cessation
Interventions
Smoking cessation counseling, Placebo, Varenicline
Behavioral · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Stanford, California