Testing effectiveness (Phase 2)Study completedNCT01972464What this trial is testingProgesterone for Smoking Relapse Prevention Following DeliveryWho this might be right forTobacco Use Disorder Yale University 41
Not applicableUnknownNCT03642106What this trial is testingUnidos Against ATOD Use Intervention TrialWho this might be right forSubstance Use Oklahoma State University 240
Large-scale testing (Phase 3)UnknownNCT00547963What this trial is testingBrief Counseling to Reduce Injuries Among Emergency Department Patients Who Report Alcohol and Substance UseWho this might be right forAlcohol DrinkingMarijuana Smoking National Institute on Alcohol Abuse and Alcoholism (NIAAA) 554
Not applicableUnknownNCT06501209What this trial is testingEvaluation of the Effectiveness of 5A-5R Counselling Services for Tobacco CessationWho this might be right forTobacco Use Cessation BRAC University 714
Very early researchStudy completedNCT03290430What this trial is testingEnd Nicotine Dependence ClinicWho this might be right forSmoking Cessation Case Comprehensive Cancer Center 56
Not applicableStudy completedNCT05918887What this trial is testingFeasibility and Acceptability of Switching to E-cigarettes Among Cigarette Smokers Engaged in SUD TreatmentWho this might be right forTobacco Dependence Caused by Cigarettes University of Nevada, Reno 31
Not applicableStudy completedNCT01091363What this trial is testingTobacco Dependence Treatment for Asian AmericansWho this might be right forTobacco Dependence University of Massachusetts, Boston 109
Post-approval studies (Phase 4)Study completedNCT03262233What this trial is testingStress Neuroadaptation in Tobacco DependenceWho this might be right forNicotine Dependence University of Wisconsin, Madison 226
Not applicableEnrolling By InvitationNCT06042361What this trial is testingEnhancing Equity in Smoke-free HousingWho this might be right forTobacco UseTobacco SmokingTobacco Use Cessation+2 more Harvard School of Public Health (HSPH) 480
Not applicableStudy completedNCT00059514What this trial is testingTobacco Use Among Arab American YouthWho this might be right forTobacco Use Disorder Wayne State University 2,300
Not applicableUnknownNCT01306552What this trial is testingEvaluation of a Combined Parent-student Programme for Smoking Prevention in Berlin SchoolsWho this might be right forTobacco Use Disorder Charite University, Berlin, Germany 3,400
Testing effectiveness (Phase 2)Study completedNCT00846859What this trial is testingDoes Varenicline Influence Alcohol Consumption in Alcohol Dependent Individuals?Who this might be right forAlcohol Dependence Sahlgrenska University Hospital 162
Not applicableStudy completedNCT01639079What this trial is testingComparison of Internet Stop Smoking Intervention to Usual Care on Smoking Cessation at 6 MonthsWho this might be right forCigarette SmokingNicotine Dependence University of California, San Francisco 146
Not applicableStudy completedNCT06632756What this trial is testingPositive Psychology for Smoking CessationWho this might be right forMental IllnessTobacco Dependence Dartmouth-Hitchcock Medical Center 16
Not applicableStudy completedNCT00865254What this trial is testingPrize Reinforcement for Smoking CessationWho this might be right forNicotine Dependence Wayne State University 84
Not applicableStudy completedNCT01522963What this trial is testingMedicinal Nicotine for Preventing Stress Induced Craving and Withdrawal SymptomsWho this might be right forTobacco Use Disorder University of Minnesota 98
Not applicableStudy completedNCT04737031What this trial is testingImproving Tobacco Treatment Rates for Outpatient Cancer Patients Who SmokeWho this might be right forCancerSmokingTobacco Use+1 more Abramson Cancer Center at Penn Medicine 2,146
Large-scale testing (Phase 3)Study completedNCT01162239What this trial is testingMaintaining NonsmokingWho this might be right forNicotine Dependence University of California, San Francisco 216
Not applicableWithdrawnNCT03938077What this trial is testingA Community-University Approach to Preventing HIVWho this might be right forHIV/AIDS and InfectionsDrug AbuseAdolescent Behavior+5 more University of Michigan
Testing effectiveness (Phase 2)Ended earlyNCT01631630What this trial is testingRole of Proinflammatory Signaling in Alcohol CravingWho this might be right forAlcohol DependenceAlcohol DrinkingStress+1 more National Institute on Alcohol Abuse and Alcoholism (NIAAA) 16