Early research (Phase 1)Study completedNCT00615576What this trial is testingRepeat Dose Study in Male Healthy Volunteer SmokersWho this might be right forPulmonary Disease, Chronic Obstructive GlaxoSmithKline 13
Not applicableStudy completedNCT00395928What this trial is testingChronic and Acute Effects of Smoking on the Left and Right Ventricular Relaxation in Young Healthy SmokersWho this might be right forCardiovascular Diseases Medical University of Warsaw 33
Not applicableStudy completedNCT03631498What this trial is testingApoptotic Changes in Gingiva Caused by SmokingWho this might be right forSmokingChronic Periodontitis Tokat Gaziosmanpasa University 60
Not applicableUnknownNCT03983330What this trial is testingUsing ICT to Deliver i-BMI to Promote Smoking Cessation Among Smokers With Chronic DiseasesWho this might be right forSmoking Cessation The University of Hong Kong 60
Not applicableStudy completedNCT01780298What this trial is testingChronic Obstructive Pulmonary Disease (COPD) Biomarker Identification StudyWho this might be right forCOPD Philip Morris Products S.A. 252
Post-approval studies (Phase 4)WithdrawnNCT00532584What this trial is testingEffect of Steroids on Gene Expression in the Healthy Smokers LungsWho this might be right forChronic Obstructive Pulmonary Disease (COPD) Weill Medical College of Cornell University
Not applicableUnknownNCT01296295What this trial is testingEffectiveness of Regular Reporting of Spirometric Results on Smoking Quit Rate.Who this might be right forSmoking CessationCOPD Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina 466
Testing effectiveness (Phase 2)Study completedNCT00363805What this trial is testingGreen Tea or Polyphenon E in Preventing Lung Cancer in Former Smokers With Chronic Obstructive Pulmonary DiseaseWho this might be right forLung Cancer Prevention Sherry Chow 178
Not applicableUnknownNCT04336423What this trial is testingAnalysis of the Microbiome in the Healthy Smokers and COPD PatientsWho this might be right forPulmonary Disease, Chronic ObstructiveMicrobiota Asan Medical Center 60
Not applicableLooking for participantsNCT01776398What this trial is testingCollection of Airway, Blood and/or Urine Specimens From Subjects for Research StudiesWho this might be right forChronic Obstructive Pulmonary Disease (COPD)SmokingSmoking Cessation+3 more Weill Medical College of Cornell University 2,000
Very early researchUnknownNCT02879903What this trial is testingPrevalence of Porphyromonas Gingivalis Fimbrial Subunit Genotype in Smokers and Nonsmokers After Periodontal TherapyWho this might be right forChronic Periodontitis Universidade Federal Fluminense 32
Testing effectiveness (Phase 2)Study completedNCT03794557What this trial is testingThe Effect of Inhaled PUL-042 on Rhinovirus-induced Symptoms in Smokers With GOLD Stage 0 COPDWho this might be right forCOPD Pulmotect, Inc. 20
Large-scale testing (Phase 3)Study completedNCT02148445What this trial is testingSmoking Cessation Versus Long-term Nicotine Replacement Among High-risk SmokersWho this might be right forSmokingPulmonary Disease, Chronic ObstructiveTobacco Use Disorder University of Kansas Medical Center 398
Not applicableUnknownNCT04711629What this trial is testingClinical Features of Smoker Patients With Chronic Obstructive Pulmonary DiseaseWho this might be right forCopdSmoking Izmir Katip Celebi University 120
Not applicableStudy completedNCT03562442What this trial is testingSAW Lung Microbiome Study in Smokers and Never-smokersWho this might be right forSmoking CessationChronic Obstructive Pulmonary Disease (COPD)Healthy+1 more Research Center Borstel 60
Not applicableWithdrawnNCT02021747What this trial is testingBiologic Basis Of Increased Susceptibility Of Smokers To Pulmonary Infection With Mycobacterium TuberculosisWho this might be right forTuberculosisChronic Obstructive Pulmonary Disease Weill Medical College of Cornell University
Not applicableEnded earlyNCT03588728What this trial is testingTDCS and Cognitive Training Intervention for Chronic Smokers With SchizophreniaWho this might be right forTranscranial Direct Current StimulationSmoking, CigaretteSchizophrenia University of Pittsburgh 39
Post-approval studies (Phase 4)Ended earlyNCT00826748What this trial is testingEffect of Inhaled Steroids on Gene Expression in the Lungs - 2Who this might be right forChronic Obstructive Pulmonary Disease (COPD) Weill Medical College of Cornell University 24
Not applicableUnknownNCT02100202What this trial is testingEfficacy and Safety Study of Dietary Supplements in Chronic Smokers Having Mild to Moderate HyperlipidemiaWho this might be right forChronic SmokersHyperlipidemia Olive Lifesciences Pvt Ltd 60
Not applicableNot Yet RecruitingNCT06442514What this trial is testingPain and Smoking Study - Interactive Voice ResponseWho this might be right forSmokingPainSmoking Cessation VA Office of Research and Development 220