Search | Clinical Trials Finder

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ClinicalTrials.gov public records Last synced Nov 4, 2026, 9:34 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 217–240 of 797 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Smoker Clear all

Conditions: Chronic Obstructive Pulmonary Disease, Muscle Weakness
Interventions: Cholecalciferol, Laboratory Biomarker Analysis, Multivitamin, Placebo, Questionnaire Administration; Dietary Supplement · Other
Lead sponsor: Roswell Park Cancer Institute; Other
Eligibility: 50 Years and older
Enrollment: 4 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2017
U.S. locations: 1
States / cities: Buffalo, New York

Conditions: Human Immunodeficiency Virus
Interventions: Cell Phone Intervention, Recommended Standard of Care; Behavioral · Other
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 706 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2015
U.S. locations: 2
States / cities: Houston, Texas

Conditions: Smoking, Tobacco
Interventions: 31237616, 31237617, 31237571, 31237581; Other
Lead sponsor: RAI Services Company; Industry
Eligibility: 21 Years to 65 Years
Enrollment: 1,060 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026
U.S. locations: 9
States / cities: Brandon, Florida • Coral Springs, Florida • Aurora, Illinois + 5 more

Conditions: Lung Cancer
Interventions: sorafenib; Drug
Lead sponsor: Ohio State University Comprehensive Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 11 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2012
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Smoking Cessation
Interventions: Standard Care only, Dental Hygienist provided counseling + Brief Questionnaire, Dental Hygienist provided counseling with personalized risk communication + Brief Questionnaire; Behavioral
Lead sponsor: Memorial Sloan Kettering Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 1,072 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2001 – 2026
U.S. locations: 1
States / cities: New York, New York

Conditions: Pain Threshold, Mood
Interventions: Placebo capsules, Inactive marijuana (0% THC), Low dose Dronabinol, High dose Dronabinol, Low THC marijuana, High THC marijuana; Drug
Lead sponsor: New York State Psychiatric Institute; Other
Eligibility: 21 Years to 45 Years · Female only
Enrollment: 34 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2013
U.S. locations: 1
States / cities: New York, New York

Conditions: Lung Carcinoma
Interventions: Best Practice, Biospecimen Collection, Exercise Counseling, Exercise Intervention, Medical Device Usage and Evaluation, Physical Performance Testing, Questionnaire Administration, Telemedicine; Other · Procedure
Lead sponsor: Ohio State University Comprehensive Cancer Center; Other
Eligibility: 40 Years to 80 Years
Enrollment: 65 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Nicotine Dependence, Schizophrenia
Interventions: NRT, Bupropion SR 150mg bid, Relapse Prevention-Oriented Cognitive Behavioral Therapy; Drug · Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 65 Years
Enrollment: 17 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2007
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Lung Inflammation, HIV Seropositivity
Interventions: ECIGS, mobile contingency management (mCM), Usual brand; Other · Behavioral
Lead sponsor: Duke University; Other
Eligibility: 18 Years to 64 Years
Enrollment: 10 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Pelvic Organ Prolapse
Interventions: Blood draw for the study participants; Other
Lead sponsor: TriHealth Inc.; Other
Eligibility: 18 Years and older · Female only
Enrollment: 96 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Nicotine Dependence
Interventions: FAMCON (Family Consultation); Behavioral
Lead sponsor: University of Arizona; Other
Eligibility: 30 Years and older
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1999 – 2003
U.S. locations: 1
States / cities: Tucson, Arizona

Conditions: Pregnancy, Smoking
Interventions: Health & Wellness Intervention, Questionnaire, Mood Management Intervention; Behavioral
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 16 Years and older · Female only
Enrollment: 338 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2010
U.S. locations: 1
States / cities: Houston, Texas

Conditions: COPD
Interventions: Perfluorinated Gas/Oxygen Mixture, High Resolution CT of the Chest; Drug · Other
Lead sponsor: Hal C Charles; Other
Eligibility: 18 Years and older
Enrollment: 171 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2018
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Precancerous Condition, Stage I Non-small Cell Lung Cancer, Tobacco Use Disorder
Interventions: sulindac, placebo; Drug · Other
Lead sponsor: National Cancer Institute (NCI); NIH
Eligibility: 40 Years to 79 Years
Enrollment: 61 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2010
U.S. locations: 5
States / cities: Scottsdale, Arizona • Tampa, Florida • Burlington, Massachusetts + 2 more

Conditions: Nicotine Dependence
Interventions: Reduced Nicotine Non-Menthol (RNC), Reduced Nicotine Menthol (RNC-Men), Conventional Nicotine Non-Menthol (CN); Other
Lead sponsor: UConn Health; Other
Eligibility: 18 Years to 45 Years · Male only
Enrollment: 118 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2019
U.S. locations: 2
States / cities: Farmington, Connecticut • Hartford, Connecticut

Conditions: Tobacco Use Disorder
Interventions: Behavior Therapy; Behavioral
Lead sponsor: University of Minnesota; Other
Eligibility: 40 Years to 79 Years · Female only
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1997 – 2003
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Tobacco Use Disorder, Unspecified Adult Solid Tumor, Protocol Specific
Interventions: smoking cessation intervention, counseling intervention; Behavioral · Other
Lead sponsor: Kaiser Permanente; Other
Eligibility: 18 Years and older
Enrollment: 344 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2006
U.S. locations: 5
States / cities: Aurora, Colorado • Honolulu, Hawaii • Boston, Massachusetts + 1 more

Conditions: Smoking, Tobacco
Interventions: P1213416, P1213422, P1213716, P1213722, P1211216, P1211222, P1213616, P1213622, P1213816, P1213822, P1211916, P1211922; Other
Lead sponsor: RAI Services Company; Industry
Eligibility: 21 Years to 60 Years
Enrollment: 1,845 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 12
States / cities: Phoenix, Arizona • Fort Lauderdale, Florida • Orlando, Florida + 9 more

Conditions: Smoking Cessation
Interventions: Varenicline free base solution, Varenicline free base patch; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years to 55 Years · Male only
Enrollment: 12 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Tobacco Use Disorder
Interventions: Bupropion and NRT; Drug
Lead sponsor: National Institute on Drug Abuse (NIDA); NIH
Eligibility: 18 Years and older
Enrollment: 407 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2002 – 2009
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Tobacco Use Cessation
Interventions: Nicotine Patch, Questionnaires, Pamphlet, Phone Counseling Sessions, Saliva Test, Smart phone; Drug · Behavioral · Other + 1 more
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 8 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2016
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Cigarette Smoking, Alcohol Consumption
Interventions: Varenicline, Placebo pill (for varenicline), Alcohol, placebo beverage (for alcohol); Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 21 Years to 55 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2016
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Alcoholism, Alcohol Abuse, Smoking, Alcohol Drinking
Interventions: Varenicline; Drug
Lead sponsor: Yale University; Other
Eligibility: 18 Years to 70 Years
Enrollment: 131 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2016
U.S. locations: 2
States / cities: New Haven, Connecticut • New York, New York

Conditions: Smoking Cessation
Interventions: Patient Navigation, Enhanced Traditional Care; Behavioral
Lead sponsor: Boston Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 44 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Boston, Massachusetts

Search by objective public record fields.

Cholecalciferol Supplementation in Strengthening Inspiratory Muscles in Cholecalciferol-Deficient Patients With Chronic Obstructive Pulmonary Disease

Smoking Cessation for HIV/AIDS Patients

A Multi-Site Study to Assess the Effect of Availability of a Heated Tobacco Product on Smoking Abstinence Among Current Primary Cigarette Smokers

Sorafenib in Treating Non-Smokers or Former Light Smokers With Relapsed or Refractory Stage IIIB or Stage IV Non-Small Cell Lung Cancer

A Randomized Clinical Trial Assessing Smoking Cessation Interventions In Dental Clinic Smokers

Comparison of the Analgesic Effects of Dronabinol and Smoked Marijuana in Daily Marijuana Smokers

Evaluating the Impact of a Virtually Supervised Exercise Intervention and Group Counseling on Inflammation and the Microbiome of Smokers at High Risk for Lung Cancer, BE FIT Trial

Extended Duration Nicotine Replacement Therapy and Bupropion in Smokers With Schizophrenia

Effects of E-cigarettes (ECIGs) on Pulmonary Inflammation and Behavior in HIV Infected Smokers

Systemic Markers of Collagen Metabolism and Vitamin C in Smokers and Non-Smokers With Pelvic Organ Prolapse

Family Consultation for Health-Compromised Smokers

A Mood Management Intervention for Pregnant Smokers

Imaging Regional Lung Defect Severity

Sulindac in Preventing Lung Cancer in Current or Former Smokers With Bronchial Dysplasia

Manipulating Tobacco Constituents in Male Menthol Smokers

Tobacco Cessation in Postmenopausal Women (Part I) - 1

Primary Care Physicians' Use of Stop-Smoking Plans to Help Patients Who Are Smokers

CSD201204 An Actual Use Study of P12 Electronic Nicotine Delivery System Among U.S. Adult Smokers

A Study Evaluating The Absorption Of Varenicline Into The Body From A Varenicline Solution And A Varenicline Patch Applied To The Skin

Maintaining Abstinence in Chronic Cigarette Smokers - 1

Mobile Media-Rich Interactive Guideline System (MMRIGS) Pilot Study

Effects of Varenicline in Heavy Drinking Smokers

Varenicline Treatment of Alcohol Dependence in Smokers

Hospital-based Patient Navigation and Smoking Cessation