Not applicableStudy completedNCT02290938What this trial is testingMotivational Interviewing and Culture for Urban Native American Youth (MICUNAY)Who this might be right forAlcohol UseMarijuana Use RAND 185
Not applicableStudy completedNCT04791917What this trial is testingMarijuana Use, Strength Training, and Alcohol Consumption (MUSTAC) StudyWho this might be right forChronic Pain University of Florida 51
Not applicableStudy completedNCT01329315What this trial is testingProject Chill: Tailored Youth Drug Intervention In Primary CareWho this might be right forMarijuana Use University of Michigan 1,141
Very early researchNot Yet RecruitingNCT04855526What this trial is testingTHC + CBD and Memory StudyWho this might be right forMarijuana UseCannabis UseCannabis Intoxication Hartford Hospital 9
Not applicableStudy completedNCT00107562What this trial is testingAdolescent Safer Sex Social Network InterventionWho this might be right forSexual BehaviorAlcohol DrinkingMarijuana Smoking University of North Carolina, Chapel Hill 200
Testing effectiveness (Phase 2)Study completedNCT00743366What this trial is testingEffect of Quetiapine on Marijuana Withdrawal and RelapseWho this might be right forMarijuana Smoking New York State Psychiatric Institute 20
Not applicableStudy completedNCT01603992What this trial is testingQuiting Marijuana Use: Self-report Study of Quitting Straegies and Withdrawal SymptomsWho this might be right forCannabis AbuseCannabis Dependence National Institute on Drug Abuse (NIDA) 822
Not applicableLooking for participantsNCT07340554What this trial is testingNeuroimaging of Adolescent Cannabis Use TreatmentWho this might be right forCannabis UseCannabis DependenceCannabis Use Disorder+23 more Indiana University 80
Large-scale testing (Phase 3)Study completedNCT01473719What this trial is testingEmerging Adults Who Use Alcohol and MarijuanaWho this might be right forAlcohol UseMarijuana UseSexually Transmitted Infections Butler Hospital 566
Post-approval studies (Phase 4)Looking for participantsNCT06688539What this trial is testingE-cigarette Cessation in Adults Who Co-use CannabisWho this might be right forNicotine DependenceTobacco Use Disorder Medical University of South Carolina 105
Not applicableStudy completedNCT00580671What this trial is testingTreatment for Adolescent Marijuana AbuseWho this might be right forMarijuana Abuse Dartmouth-Hitchcock Medical Center 153
Testing effectiveness (Phase 2)WithdrawnNCT05294263What this trial is testingVarenicline for the Treatment of Cannabis and Tobacco Use Disorders in VeteransWho this might be right forTobacco Use DisorderCannabis Use Disorder VA Office of Research and Development
Not applicableStudy completedNCT04965012What this trial is testingTesting the Efficacy of an Online Treatment Program for Heavy Cannabis UseWho this might be right forMarijuana UseMarijuana Dependence York University 152
Not applicableStudy completedNCT04989205What this trial is testingCommunity Based Cannabis Cessation ProgramWho this might be right forCannabis Use Sorlandet Hospital HF 102
Post-approval studies (Phase 4)Study completedNCT04627922What this trial is testingN-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-UseWho this might be right forCannabis UseTobacco Use DisorderDrug Use Disorder Ellen Herbst 59
Not applicableEnrolling By InvitationNCT06919276What this trial is testingNicotine and Cannabis Vape Labeling Experiment - Spring 2025Who this might be right forVapingAdolescentElectronic Cigarette Use+2 more University of Southern California 3,900
Not applicableLooking for participantsNCT07339150What this trial is testingMiREA-AC for Reducing Problematic Alcohol and Marijuana Use in College StudentsWho this might be right forAlcohol MisuseCannabis Misuse mHealth Systems Inc. 150
Not applicableLooking for participantsNCT03909477What this trial is testingLongitudinal Study of Xenon-129 MRI Imaging Effects of Cannabis SmokingWho this might be right forCannabis UseCannabis SmokingMarijuana Smoking+1 more Western University, Canada 200
Not applicableTemporarily pausedNCT05401929What this trial is testingTranscranial Magnetic Brain Stimulation to Reduce Cannabis Use in Heavy Cannabis UsersWho this might be right forCannabis Duke University 50
Not applicableLooking for participantsNCT06995937What this trial is testingMedical Marijuana and Open Road Driving TaskWho this might be right forMedical Cannabis Florida State University 250