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ClinicalTrials.gov public records Last synced Sep 14, 2026, 12:54 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Smoking, Tobacco
Interventions
P2613422, P2611222, P2615522, P2615122, P2615422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
1,280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
7
States / cities
Maitland, Florida • Atlanta, Georgia • St Louis, Missouri + 4 more
Conditions
Chronic Obstructive Pulmonary Disease, COPD
Interventions
Group 1, Group 2, Group 3
Genetic
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Project Q Pilot: Smoking Cessation for Light Smokers

NCT03416621
Conditions
Tobacco Use Cessation
Interventions
Cognitive behavioral cessation counseling, Counseling and placebo drug intervention, Counseling and active drug intervention
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Oral DNA Damage by Black Raspberries

NCT04372914
Conditions
Oral Cancer, Smoking, DNA Damage, Oxidative Stress
Interventions
BRB Lozenges
Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Completed Phase 1 Interventional Accepts healthy volunteers

Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism

NCT02999399
Conditions
Smoking
Interventions
Brussel Sprouts, Deuterated Phenanthrene
Other · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Chronic Obstructive Pulmonary Disease, COPD
Interventions
QBW251, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
14
States / cities
Birmingham, Alabama • Fullerton, California • Waterbury, Connecticut + 11 more
Conditions
Nicotine Dependence
Interventions
Exposure to smoking advertising with coupon, Exposure to smoking advertising without coupons, Exposure to non health related images
Behavioral
Lead sponsor
National Institute on Minority Health and Health Disparities (NIMHD)
NIH
Eligibility
18 Years to 29 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

Switch or Quit R01

NCT06373679
Conditions
Cigarette Smoking, Smoking Behaviors
Interventions
Switching to E-Cigarette, Switching using Medication
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Interventions for Smoking Among Persons in Recovery

NCT00714896
Conditions
Smoking Cessation
Interventions
Stepped-Care, Control
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Walnut Creek, California
Conditions
Smoking, Tobacco
Interventions
P2611222, P2615022, P2615122, P2613422
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 65 Years
Enrollment
668 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
27
States / cities
Chandler, Arizona • Fort Smith, Arkansas • Altamonte Springs, Florida + 21 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Filter Ventilation and Ventilation Information on Product Use Behaviors in Cigarette Smokers

NCT04744285
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Cigarette packaging, Data capture, Questionnaire administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 69 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Completed Not applicable Interventional Results available

Nonsmokers Helping Smokers Quit

NCT02010697
Conditions
Smoking Cessation
Interventions
Messages targeting nonsmokers, Messages targeting smokers
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Diego, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Physical Activity in Promoting Smoking Cessation in African Americans

NCT01915810
Conditions
Current Smoker, Healthy Subject
Interventions
Exercise Intervention, Laboratory Biomarker Analysis, Nicotine Patch, Questionnaire Administration, Tobacco Cessation Counseling
Behavioral · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
21 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low Nicotine Cigarettes Plus Electronic Cigarettes

NCT04058717
Conditions
Tobacco Dependence
Interventions
Normal Nicotine Content research cigarettes, High Nicotine e-cigarette, Very Low Nicotine Content research cigarettes, Zero Nicotine e-cigarette
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Baclofen Effects in Cigarette Smokers

NCT01821560
Conditions
Nicotine Dependence
Interventions
Baclofen, placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Smoking
Interventions
Assisted referral & IVR
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
3
States / cities
Clackamas, Oregon • Portland, Oregon
Completed Phase 2 Interventional Accepts healthy volunteers

Mindfulness Training for Smokers Online Feasibility Study

NCT02164656
Conditions
Cigarette Smoking, Mindfulness
Interventions
mindfulness for smokers
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Smoking Cessation for University Students

NCT00941395
Conditions
Cigarette Smoker, Current Every Day Smoker
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
2
States / cities
College Station, Texas • Houston, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Use of Nicotine Pouches Among Daily Smokers

NCT06043362
Conditions
Tobacco Dependence
Interventions
0 mg nicotine pouch, 3 mg nicotine pouch, 6 mg nicotine pouch, Smooth nicotine pouch, Wintergreen nicotine pouch
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Hershey, Pennsylvania • Houston, Texas
Conditions
Smoking Cessation
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
498 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
8
States / cities
Los Angeles, California • DeLand, Florida • Lexington, Kentucky + 4 more
Conditions
Cigarette Smoker, Current Every Day Smoker
Interventions
Informational Intervention, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Houston, Texas
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, Tobacco Use, Tobacco Smoking
Interventions
40007388, 40007385, 40007387, 40007386
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
10
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 7 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Laboratory Study Of Varenicline in Smokers

NCT00709696
Conditions
Nicotine Dependence
Interventions
Placebo, Varenicline
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota