Not applicableUnknownNCT00396669What this trial is testingA Brain Imaging Study Into Nicotine Induced Dopamine Release in Cigarette Smokers.Who this might be right forTobacco Use Disorder Hadassah Medical Organization 24
Not applicableStudy completedNCT03102931What this trial is testingSwitching to Low Oxidant Content Cigarettes in Adult SmokersWho this might be right forNicotineOxidative Stress Milton S. Hershey Medical Center 30
Not applicableStudy completedNCT05477342What this trial is testingReducing Nicotine Addiction in Adolescent SmokersWho this might be right forNicotine Dependence, CigarettesCessation, TobaccoCessation, Smoking+1 more Ministry of National Education, Turkey 103
Post-approval studies (Phase 4)Study completedNCT01277250What this trial is testingWeb-based Smoking Cessation Intervention: Transition From Inpatient to OutpatientWho this might be right forCigarette SmokingHome Access to Internet and EmailCognitively and Physically Able to Participate+1 more University of Alabama at Birmingham 1,548
Not applicableStudy completedNCT03580460What this trial is testingCultural Adaptation and Piloting of a Smoking Cessation Intervention for Smokers With HIVWho this might be right forHivCigarette Smoking Johns Hopkins University 40
Not applicableStudy completedNCT01928758What this trial is testingReduced Nicotine Cigarettes in Smokers With Mood and Anxiety DisordersWho this might be right forTobacco Dependence Milton S. Hershey Medical Center 245
Not applicableStudy completedNCT05271578What this trial is testingMRI and Biological Markers of Acute E-Cigarette Exposure in Smokers and VapersWho this might be right forVascular ReactivitySerum Biomarkers University of Pennsylvania 55
Not applicableWithdrawnNCT03379025What this trial is testingEffects of Electronic Cigarettes in Cigarette Smokers With Mild to Moderate COPDWho this might be right forCOPDTobacco Use Massachusetts General Hospital
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 completedNCT01801384What this trial is testingVoucher Based Incentives to Treat Pregnant SmokersWho this might be right forEfficacy of Financial Incentives University of Vermont 166
Not applicableStudy completedNCT03435562What this trial is testingAssessment of Two New Electronic Cigarettes in Cigarette SmokersWho this might be right forElectronic Cigarettes Virginia Commonwealth University 22
Early research (Phase 1)Study completedNCT02906995What this trial is testingPharmacokinetics of Nicotine Sublingual Tablets Versus Nicorette Lozenge in Healthy SmokersWho this might be right forTobacco Use DisorderCigarette Smoking Friends Research Institute, Inc. 24
Testing effectiveness (Phase 2)Study completedNCT00900900What this trial is testingThe Effects of One-Time Pregnenolone, Dehydroepiandrosterone (DHEA), or Placebo Administration On Withdrawal Symptoms, Mood, Craving And Cigarette Evaluation Ratings In Male SmokersWho this might be right forSubstance Withdrawal Syndrome Jed E. Rose 22
Not applicableStudy completedNCT02845440What this trial is testingIntegrated Smoking Cessation Treatment for Smokers With Serious Mental IllnessWho this might be right forCigarette SmokingSchizophreniaBipolar Disorder+2 more Massachusetts General Hospital 1,165
Large-scale testing (Phase 3)Active Not RecruitingNCT03630614What this trial is testingRandomized Trial of Electronic Cigarettes With or Without Nicotine in Smoking Cessation.Who this might be right forSmoking CessationSmoking, CigaretteElectronic Cigarette Assistance Publique - Hôpitaux de Paris 650
Not applicableStudy completedNCT04357379What this trial is testingIQOS (Non-Cigarette Tobacco Product) Pilot StudyWho this might be right forSmokingTobacco Use Medical University of South Carolina 10
Not applicableStudy completedNCT01056588What this trial is testingContingency Management for Smoking Abstinence With Adolescent SmokersWho this might be right forCigarette Smoking Nationwide Children's Hospital 126
Not applicableStudy completedNCT03669848What this trial is testingIs Transcutaneous Carbon Monoxide Saturation of E-cigarette Users Comparable to That of Smokers?Who this might be right forCarbon Monoxide Poisoning University Hospital, Tours 1,116
Not applicableEnded earlyNCT01411007What this trial is testingThe Impact of Real-time Functional Magnetic Resonance Imaging (fMRI) Feedback on Response to Nicotine CuesWho this might be right forNicotine Dependence Medical University of South Carolina 44
Not applicableUnknownNCT06177158What this trial is testingEfficacy of Oral Hygiene Instructions on Proinflammatory Cytokines Among Cigarette Smokers and Individuals Vaping Electronic Cigarettes During Plaque Induced Gingivitis (Clinical Trial)Who this might be right forElectronic Cigarette UsePlaque Induced Gingivitis University of Baghdad 39