Not applicableStudy completedNCT00995644What this trial is testingNatural History of Attempts to Stop SmokingWho this might be right forTobacco Use Cessation University of Vermont 238
Not applicableEnded earlyNCT03427424What this trial is testingImaging Biomarker for Addiction Treatment OutcomeWho this might be right forOpioid-Related DisordersAlcohol-Related Disorders National Institute on Drug Abuse (NIDA) 52
Post-approval studies (Phase 4)Study completedNCT00680121What this trial is testingHigh Dose Vitamin B1 to Reduce Abusive Alcohol UseWho this might be right forAlcoholism University of Kansas 120
Not applicableStudy completedNCT01036685What this trial is testingCognitive Task Development and Implementation for Functional MRI StudiesWho this might be right forDrug AbuseNicotine Dependence National Institute on Drug Abuse (NIDA) 525
Early research (Phase 1)Study completedNCT01323569What this trial is testingAbuse Potential of SativexWho this might be right forEvaluation of Abuse Potential of Sativex Jazz Pharmaceuticals 58
Not applicableStudy completedNCT00787423What this trial is testingDeveloping Field Tools for Real-Time Assessment of Exposure to Psychosocial Stress and Drug Use in an Outpatient Treatment PopulationWho this might be right forStressDrug Abuse National Institute on Drug Abuse (NIDA) 373
Not applicableStudy completedNCT04250727What this trial is testingSwitching to Potential Reduced Exposure Products in Adult SmokersWho this might be right forTobacco Use DisorderOral Nicotine Pouch UseSmoking Behaviors+3 more Yale University 30
Not applicableStudy completedNCT01148381What this trial is testingCharacterization of Phenotypic and Genotypic Regressors for ImagingWho this might be right forHealthy VolunteersSubstance Use Disorders National Institute on Drug Abuse (NIDA) 847
Not applicableLooking for participantsNCT06794983What this trial is testingCalls and Coordination for Transitions of Care at Re-entryWho this might be right forPrisonersSubstance Use HistoryChronic Medical Conditions+2 more University of Wisconsin, Madison 488
Not applicableStudy completedNCT03152760What this trial is testingExploring Gut-Brain and Brain-Gut Interactions in Alcohol Use Disorder Via Microbiota Investigations: A Pilot StudyWho this might be right forAlcoholism National Institute on Drug Abuse (NIDA) 35
Not applicableEnrolling By InvitationNCT04946851What this trial is testingAddictions Neuroclinical Assessment (ANA)Who this might be right forNormal PhysiologyAlcohol Use Disorder National Institute on Alcohol Abuse and Alcoholism (NIAAA) 1,400
Very early researchActive Not RecruitingNCT02102113What this trial is testingProbing the Cannabinoid System in Individuals With a Family History of PsychosisWho this might be right forPsychosisCannabis UseTHC+2 more Yale University 21
Not applicableStudy completedNCT03331354What this trial is testingAssessing the Effect of Distance Learning Vocational Rehabilitation on Employment Outcomes of Veterans With Psychiatric Illness and Histories of Legal ConvictionsWho this might be right forUnemploymentMental IllnessSubstance Use Disorder+1 more VA Office of Research and Development 136
Not applicableStudy completedNCT01588561What this trial is testingNicotine Related Brain Activity: The Influence of Smoking History and Blood Nicotine LevelsWho this might be right forNicotine Dependence Mclean Hospital 15
Testing effectiveness (Phase 2)Study completedNCT00183170What this trial is testingResidual Effects of Intoxication on Student PerformanceWho this might be right forAlcoholic IntoxicationNeurobehavioral Manifestations Boston University 239
Not applicableLooking for participantsNCT02231840What this trial is testingNIAAA Natural History ProtocolWho this might be right forAlcohol Use Disorder National Institute on Alcohol Abuse and Alcoholism (NIAAA) 7,500
Not applicableLooking for participantsNCT06804525What this trial is testingLHC-CIDI-5 in Hong KongWho this might be right forMajor Depressive Episode (MDE)Major Depressive Disorder (MDD)Persistent Depressive Disorder (PDD)+20 more The University of Hong Kong 2,500
Not applicableStudy completedNCT05794438What this trial is testingGamified Adaptive Approach Bias Modification on Individuals With Methamphetamine Use HistoryWho this might be right forAddiction, Substance Adai Technology (Beijing) Co., Ltd. 139
Not applicableUnknownNCT03517592What this trial is testingEMDR Versus Treatment As Usual in Patients With Substance Use DisorderWho this might be right forSubstance Use Disorders Parc de Salut Mar 142
Not applicableLooking for participantsNCT04391816What this trial is testingCOVID-19 Pandemic Impact on Alcohol (PIA) - A Natural History StudyWho this might be right forAlcohol DrinkingAlcohol-Related DisordersPandemic+1 more National Institute on Alcohol Abuse and Alcoholism (NIAAA) 1,500