- 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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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–10
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- Conditions
- Smoking Cessation, Nicotine Dependence
- Interventions
- Nicotine Replacement Treatment (NRT), varenicline, Behavioral counseling for smoking cessation
- Drug · Behavioral
- Lead sponsor
- Brown University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 158 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- Conditions
- Tobacco Use Cessation
- Interventions
- Nicotine patch, nicotine gum, nicotine nasal spray, nicotine inhaler, Varenicline or bupropion, Contingency Management
- Drug · Behavioral
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 323 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 4
- States / cities
- Bridgeport, Connecticut • New Haven, Connecticut • Brooklyn, New York + 1 more
- Conditions
- Cigarette Smoking
- Interventions
- Nicotine Patch, Varenicline, Placebo Nicotine Patch, Placebo Capsule
- Drug
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 125 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Nicotine Dependence, Alcohol Use Disorder
- Interventions
- Varenicline, Varenicline plus Naltrexone
- Drug
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 165 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Dopamine D2/3 Receptor Availability, Cognitive Function, Methamphetamine Abuse
- Interventions
- Varenicline, Placebo
- Drug · Other
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Tobacco Use Disorder
- Interventions
- varenicline, Adaptation of Motivational Interviewing
- Drug · Behavioral
- Lead sponsor
- VA Boston Healthcare System
- Federal
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- U.S. locations
- 1
- States / cities
- Brockton, Massachusetts
- 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
- Conditions
- Smoking Cessation
- Interventions
- Nicotine patch, Varenicline Tartrate, Bupropion
- Drug
- Lead sponsor
- University of Kansas Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 392 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- Conditions
- Smoking Cessation
- Interventions
- Varenicline, Oral Nicotine Replacement Therapy (NRT), Medication Reminders, Tobacco Cessation Counseling
- Drug · Behavioral
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma