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
Early research (Phase 1)Ended earlyNCT00753870What this trial is testingRange of Neutrophil Response to 20,000 EU of Clinical Center Reference Endotoxin in Otherwise Healthy SmokersWho this might be right forHealthy Smokers University of North Carolina, Chapel Hill 2
Early research (Phase 1)Study completedNCT03543137What this trial is testingTo Assess the Bioequivalence of the 4mg Prototype Mini Nicotine Lozenge to the Reference Product (Nicorette) in Healthy SmokersWho this might be right forTobacco Use Disorder GlaxoSmithKline 37
Not applicableStudy completedNCT03272295What this trial is testingA Nicotine Pharmacokinetics and Smoking Behaviour Study Examining Cigarette IngredientsWho this might be right forHealthy VolunteersSmoking British American Tobacco (Investments) Limited 40
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 completedNCT01084707What this trial is testingMultiple-dose Nicotine Pharmacokinetics With a New Oral Nicotine Replacement Product.Who this might be right forTobacco Dependence McNeil AB 40
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
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 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
Early research (Phase 1)Study completedNCT01574898What this trial is testingPilot Pharmacokinetic Study of New Nicotine Lozenge FormulationsWho this might be right forHealthy Smokers Pierre Fabre Medicament 13
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
Not applicableStudy completedNCT05599451What this trial is testingReduced Exposure to HPHC in Smokers Switching From Cigarettes to Different Versions of THSWho this might be right forSmokingTobacco SmokingTobacco Use Philip Morris Products S.A. 91
Not applicableStudy completedNCT02432729What this trial is testingA Smoking Cessation Study to Understand the Biological and Functional Changes After One Year of Smoking CessationWho this might be right forCigarette Smoking Philip Morris Products S.A. 1,184
Not applicableStudy completedNCT01164072What this trial is testingEfficacy and Safety of an Electronic Nicotine Delivery Device (E-Cigarette)Who this might be right forHealthy SmokersSmoking Cessation Universita degli Studi di Catania 100
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
Large-scale testing (Phase 3)Study completedNCT01375933What this trial is testingA Comparability Study of the Phase 3 Lot and a Single Commercial Lot of NicVAX in Healthy Adult SmokersWho this might be right forSmoking Nabi Biopharmaceuticals 260
Testing effectiveness (Phase 2)Study completedNCT01543386What this trial is testingEffects of Curcumin on Vascular ReactivityWho this might be right forHealthy Volunteers (Middle-aged Smokers) University Hospital, Clermont-Ferrand 21
Not applicableStudy completedNCT05508672What this trial is testingCommunity-Centered eHealth Smoking Cessation Intervention(CCeSCI)Who this might be right forSmoking CessationLifestyle, Healthy Duke Kunshan University 60
Early research (Phase 1)Study completedNCT03087786What this trial is testingOral Mucosal Effects In Adult Smokers Associated With Two Nicotine Lozenge FormulationsWho this might be right forSafety Issues Niconovum USA 100
Not applicableStudy completedNCT01038245What this trial is testingQuantitation of Human Cerebral Nicotinie Receptors With 2[18F]FA-85380 and PET Healthy Non-smokers and Ex-Smokers and in Heavy and Light Situational SmokersWho this might be right forNicotine Addiction National Institute on Drug Abuse (NIDA) 72