Testing effectiveness (Phase 2)Study completedNCT00107575What this trial is testingImproving Smoking Cessation Outcomes in Heavy Drinkers - 1Who this might be right forTobacco Use Disorder Brown University 236
Not applicableWithdrawnNCT05639790What this trial is testingThe Effectiveness of Using E-Cigarettes for Smoking Cessation and Decreasing Risk of Diseases Among Heavy SmokersWho this might be right forSmoking Cessation Shenzhen Smoore Technology Limited
Early research (Phase 1)Study completedNCT01758731What this trial is testingStudy of Olaparib With Radiation Therapy and Cetuximab in Advanced Head and Neck Cancer With Heavy Smoking HistoryWho this might be right forSquamous Cell Carcinoma of the Head and Neck University of Colorado, Denver 17
Not applicableStudy completedNCT00302432What this trial is testingThe Effect of Cigarette Holders, Plastic Menthol Cigarettes, and Cognitive Behavioral Therapy for Smoking Reduction Among Schizophrenia Inpatients: A Comparative StudyWho this might be right forSchizophreniaHeavy Smoking Lev-Hasharon Mental Healtlh Center 37
Post-approval studies (Phase 4)Study completedNCT03163303What this trial is testingSmoking Tobacco and Drinking StudyWho this might be right forSmokingHeavy Episodic Drinking University of California, San Francisco 179
Very early researchStudy completedNCT02058784What this trial is testingStudy to Evaluate the Food Effect of Single-dose Bioavailability of Pracinostat in Healthy Adult SubjectsWho this might be right forHealthy VolunteersModerate to Heavy SmokersNon-smokers Helsinn Healthcare SA 28
Not applicableUnknownNCT03814434What this trial is testingSurgical Treatment of Periimplantitis in Patients With Risk FactorsWho this might be right forPeri-ImplantitisType 2 Diabetes MellitusSmoking, Cigarette+1 more Luiz Antonio Pugliesi Alves de Lima 40
Not applicableStudy completedNCT00873535What this trial is testingEffect of Varenicline on Reactivity to Smoking and Drinking CuesWho this might be right forTobacco DependenceAlcohol Dependence Centre for Addiction and Mental Health 48
Post-approval studies (Phase 4)Study completedNCT02859142What this trial is testingVarenicline Augmentation of Patch Outcomes in Heavy Drinkers' Smoking CessationWho this might be right forSmoking CessationAlcohol Drinking University of Chicago 122
Not applicableStudy completedNCT00284219What this trial is testingHigh-Frequency Repetitive Transcranial Magnetic Stimulation Assists In Smoking CessationWho this might be right forHeavy Smoking Sheba Medical Center 50
Not applicableUnknownNCT00175578What this trial is testingDetection of Early Lung Cancer by Serum Protein Expression ProfilingWho this might be right forNon-small Cell Lung Cancer University of British Columbia 220
Post-approval studies (Phase 4)Study completedNCT00861276What this trial is testingNicotine Substitute Prescribed at Hourly Intake or ad Libitum for Heavy Smokers Willing to QuitWho this might be right forSmoking Cessation University of Lausanne 50
Testing effectiveness (Phase 2)Study completedNCT00860028What this trial is testingVarenicline for Smoking Cessation in Heavy Drinking SmokersWho this might be right forNicotine DependenceSmokingHeavy Drinking Yale University 30
Post-approval studies (Phase 4)Study completedNCT00605605What this trial is testingVascular Endothelial Protection Effects of DextromethorphanWho this might be right forAtherosclerosisSmokingInflammation National Cheng-Kung University Hospital 40
Very early researchStudy completedNCT03402230What this trial is testingBroccoli Sprout/Broccoli Seed Extract Supplement in Decreasing Toxicity in Heavy SmokersWho this might be right forCigarette Smoking-Related CarcinomaTobacco-Related Carcinoma National Cancer Institute (NCI) 49
Early research (Phase 1)Study completedNCT02151591What this trial is testingNew Approaches to Smoking Cessation in Heavy DrinkersWho this might be right forNicotine DependenceCigarette SmokingAlcohol Consumption+1 more Yale University 26
Not applicableStudy completedNCT07003893What this trial is testingEfficacy of Diaphragmatic Proprioceptive Neuromuscular Facilitation on Functional Capacity and Pulmonary Function in Heavy Twenties SmokersWho this might be right forSmoking DependenceSmoking Among Youth Al-Zaytoonah University of Jordan 40
Post-approval studies (Phase 4)Study completedNCT03235505What this trial is testingEfficacy and Safety of E-cigarettes for Smoking Cessation in Middle-aged Heavy SmokersWho this might be right forSmoking CessationElectronic Cigarette University of Oulu 450
Not applicableLooking for participantsNCT07301489What this trial is testingAkershus Cardiac Examination (ACE) 5 StudyWho this might be right forHeavy SmokersLung Cancer ScreeningCardiovascular Risk Profile+1 more University Hospital, Akershus 1,000
Not applicableStudy completedNCT02113852What this trial is testingStudy of Blood, Tumor and Adjacent Normal Tissue Samples From Chinese Smoking Induced Lung Cancer PatientsWho this might be right forNon Small Cell Lung Cancer Guangdong Association of Clinical Trials 250