Testing effectiveness (Phase 2)Study completedNCT02431611What this trial is testingBiomarker Feedback to Motivate Cessation in PregnancyWho this might be right forNicotine DependencePregnancy Mayo Clinic 60
Early research (Phase 1)WithdrawnNCT01784016What this trial is testingConcurrent PET D2/D3 Receptor Imaging and fMRI Smoking Cue Reactivity in SmokersWho this might be right forNicotine DependenceSmoking Cue ReactivityRelapse to Smoking Mclean Hospital
Large-scale testing (Phase 3)Study completedNCT00110630What this trial is testingSmoking Treatment of PrisonersWho this might be right forTobacco Use CessationTobacco Use Disorder National Institute on Drug Abuse (NIDA) 250
Not applicableNot Yet RecruitingNCT07153640What this trial is testingEFFECT OF WIM HOF BREATHING EXERCISE ON VENTILATORY FUNCTIONS IN SMOKERSWho this might be right forSmoking Electronic Cigarettes (Vaping), With Moderate and High Dependence for Nicotine October 6 University 42
Early research (Phase 1)Study completedNCT00400751What this trial is testingFamily Consultation for Health-Compromised SmokersWho this might be right forNicotine Dependence University of Arizona 40
Not applicableStudy completedNCT03719391What this trial is testingUnited States Pre-Market Tobacco Application PharmacokineticsWho this might be right forNicotine DependenceNicotine Dependence, CigarettesTobacco Use+1 more Juul Labs, Inc. 67
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
Post-approval studies (Phase 4)Study completedNCT00495352What this trial is testingThe Pharmacogenetic Study , Readiness to Change, and Pharmacological Intervention for Smoking Cessation in SchizophreniaWho this might be right forTobacco DependenceSchizophrenia Yu-Li Hospital 360
Large-scale testing (Phase 3)Looking for participantsNCT07487818What this trial is testingVagal Nerve Stimulation In Conjunction With NRT For Smoking CessationWho this might be right forSmoking Cessation Mayo Clinic 150
Not applicableStudy completedNCT00934024What this trial is testingImpact of Varenicline on Blood-Oxygen-Level Dependent (BOLD) Functional Magnetic Resonance Imaging (fMRI) Activation on SmokersWho this might be right forNicotine Dependence Medical University of South Carolina 21
Not applicableStudy completedNCT03190161What this trial is testingMusic to Reduce Use of Smoking in Patients With SchizophreniaWho this might be right forSchizophreniaNicotine DependenceSmoking, Tobacco NYU Langone Health 2
Post-approval studies (Phase 4)Study completedNCT01116986What this trial is testingIdentifying Optimal Smoking Cessation Intervention Components (Cessation)Who this might be right forSmokingSmoking CessationNicotine Dependence University of Wisconsin, Madison 637
Not applicableStudy completedNCT05538702What this trial is testingAcute Oral Effects of Heated Tobacco ProductsWho this might be right forNicotine Dependence, Cigarettes Semmelweis University 10
Not applicableStudy completedNCT03700112What this trial is testingClinical Study Comparing 7 ENDS Products and 1 Combustible Cigarette Using 2 Delivery Methods.Who this might be right forNicotine DependenceNicotine Dependence, CigarettesTobacco Use+1 more Juul Labs, Inc. 25
Not applicableUnknownNCT05434429What this trial is testingMobile Health for Problematic Behaviors and Substance UseWho this might be right forAddictionBehavioral AddictionNicotine Addiction+2 more PredictWatch 600
Post-approval studies (Phase 4)Study completedNCT04188873What this trial is testingCessation Screening ProjectWho this might be right forNicotine Dependence University of Wisconsin, Madison 538
Not applicableNot Yet RecruitingNCT07460622What this trial is testingA Virtual Reality E-cigarette Prevention and Emotion Regulation Intervention for AdolescentsWho this might be right forE-cigarette Use/Vaping PreventionNicotine Dependence PreventionAdolescent Mental Health Yale University 1,251
Early research (Phase 1)Study completedNCT01321931What this trial is testingMultiple-dose Nicotine Pharmacokinetics With Three Oral Nicotine Replacement ProductsWho this might be right forTobacco Dependence McNeil AB 50
Not applicableStudy completedNCT00289653What this trial is testingSmoking While on Transdermal Nicotine Replacement Therapy: Effects on Craving and CessationWho this might be right forNicotine Dependence Centre for Addiction and Mental Health 23
Not applicableEnrolling By InvitationNCT05852860What this trial is testingA Patient-Oriented Research Mentoring Program in Tobacco Dependence and Implementation Science ResearchWho this might be right forHIVSmokingTobacco Use+1 more Abramson Cancer Center at Penn Medicine 500