Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 4:45 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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 Not applicable Interventional Results available

Nicotine Withdrawal Symptoms and Smoking Relapse

NCT01511614
Conditions
Nicotine Dependence
Interventions
Transcranial Direct Current Stimulation, sham, Nicotine patch, Placebo patch, Varenicline Pill, Placebo pill, Motivational Interviewing
Device · Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Results available

Smoking Cessation Using Motivational Therapy and Varenicline

NCT00701896
Conditions
Smoking, HIV Infections
Interventions
Varenicline tartrate, Nicotine Replacement Therapy, Biological Control, Motivational Interview
Drug · Other · Behavioral
Lead sponsor
Philip Diaz
Other
Eligibility
18 Years and older
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Smoking Cessation
Interventions
Standard Care (SC), Intensive Counseling (IC)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York
Completed Phase 1Phase 2 Interventional Results available

Smoking Cessation Intervention for Thoracic Patients

NCT00580398
Conditions
Lung Cancer
Interventions
Smoking cessation counseling, varenicline
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 3 Interventional Accepts healthy volunteers

Tobacco Intervention in Buprenorphine Treatment

NCT01350011
Conditions
Tobacco Dependence
Interventions
Innovative System, Standard Treatment Control (STC)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
San Francisco, California