- 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
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- 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
- 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