| Not Yet Recruiting | Evaluating the Delivery and Effects of THC Vaping Liquids in the Bloodstream NCT06334016 | Roswell Park Cancer Institute | EARLY_Phase 1 |
| Not Yet Recruiting | Effect of Semaglutide on Cannabis Use in Adults With Cannabis Use Disorder NCT07523633 | Anders Fink-Jensen, MD, DMSci | Phase 2 |
| Recruiting | Neuroimaging of Adolescent Cannabis Use Treatment NCT07340554 | Indiana University | N/A |
| Recruiting | Exercise Intervention as Treatment for People Using Cannabis (ExIT-C) NCT07091292 | The University of Hong Kong | N/A |
| Recruiting | A Mobile App to Reduce and/or Quit Cannabis Use NCT06733792 | Alba González-Roz, PhD | N/A |
| Recruiting | Cannabis Abstinence and Neurocognitive Assessment in Adolescence NCT07160153 | University Hospital Pilsen | — |
| Unknown | Characterization of the Pattern of Consumption and Withdrawal Syndrome From Dual Cannabis and Tobacco Use NCT05512091 | Cristina Martínez Martínez | — |
| Completed | Joint Effort 2.0: a Mobile Application With University Students NCT05620433 | Centre hospitalier de l'Université de Montréal (CHUM) | N/A |
| Unknown | Mobile Health for Problematic Behaviors and Substance Use NCT05434429 | PredictWatch | N/A |
| Recruiting | Investigating the Neural Correlates of Cognitive Function in Psychosis Patients and Non-Psychiatric Controls W NCT05445180 | Douglas Mental Health University Institute | N/A |
| Active Not Recruiting | Breathwork-assisted Treatment for Cannabis Use Disorder NCT05219825 | Elias Dakwar | N/A |
| Completed | Reducing Cannabis Overuse With Prazosin NCT04721353 | VA Puget Sound Health Care System | Phase 4 |
| Unknown | Efficacy of Community Reinforcement Approach (CRA) in the Treatment of Cannabis Users NCT04513756 | International Islamic University, Islamabad | N/A |
| Completed | Do Adolescents and Adults Differ in Their Acute Response to Cannabis? NCT04851392 | University College, London | N/A |
| Completed | Cannabis Use and Relapse After One Week of Contingency Management Therapy NCT04202146 | Yale University | N/A |
| Unknown | Mindfulness Meditation and Cannabis Dependence : Therapy Effectiveness NCT03366909 | Central Hospital, Nancy, France | N/A |
| Completed | Neurobehavioral Measurement of Substance Users in Outpatient Treatment Setting NCT03662529 | Hunter Holmes Mcguire Veteran Affairs Medical Center | N/A |
| Completed | The Neural Correlates of Cannabis Use NCT03104257 | Yale University | — |
| Completed | Facilitating the Behavioral Treatment of Cannabis Use Disorder NCT02946489 | New York State Psychiatric Institute | Phase 1 |
| Unknown | N-acetylcysteine for the Treatment of Cannabis Dependence: Working Mechanisms NCT03221231 | Universitair Ziekenhuis Brussel | Phase 4 |
| Unknown | Neural Indices Associated With Relapse in Cannabis Dependence NCT02801422 | University of Electronic Science and Technology of China | — |
| Completed | Social and Emotional Brain Function in Cannabis Users NCT02711371 | University of Electronic Science and Technology of China | — |
| Completed | Varenicline for Co-occurring Cannabis and Tobacco Use NCT04595318 | Albert Einstein College of Medicine | Phase 4 |
| Completed | Study of Long-Acting Injectable Naltrexone to Treat Cannabis Dependence NCT02088177 | New York State Psychiatric Institute | Phase 1 / Phase 2 |
| Completed | Pharmacological Treatment of Comorbid Alcohol and Marijuana Withdrawal and Dependence NCT02210195 | The Scripps Research Institute | Phase 2 |
| Completed | Achieving Cannabis Cessation-Evaluating N-Acetylcysteine Treatment NCT01675661 | Medical University of South Carolina | Phase 3 |
| Completed | Integrated CBT for Cannabis Dependence With Co-occurring Anxiety Disorders NCT01875796 | Louisiana State University and A&M College | Phase 1 |
| Completed | Clozapine for Cannabis Use in Schizophrenia NCT01639872 | Dartmouth-Hitchcock Medical Center | Phase 4 |
| Completed | Effects of Chronic Intake of Cannabis on Contrast Sensitivity NCT01793961 | University Hospital, Strasbourg, France | N/A |
| Completed | Sativex and Behavioral-relapse Prevention Strategy in Cannabis Dependence NCT01747850 | Centre for Addiction and Mental Health | Phase 2 |
| Completed | Targeting Tobacco Cessation During Treatment for Cannabis Use Disorders NCT01834794 | Dartmouth-Hitchcock Medical Center | N/A |
| Completed | Fixed or Self-Titrated Dosages of Sativex on Cannabis Users NCT01748799 | Centre for Addiction and Mental Health | N/A |
| Completed | Quetiapine Pharmacotherapy for Cannabis Dependence NCT01697709 | New York State Psychiatric Institute | Phase 2 |
| Unknown | The Pharmaco-genetic and Brain Mechanisms Associated With Cannabis- Induced Psychosis NCT01565174 | Hadassah Medical Organization | — |
| Completed | Safety and Efficacy of a FAAH-Inhibitor to Treat Cannabis Withdrawal NCT01618656 | Yale University | Phase 2 |
| Terminated | Combination of Dronabinol and Clonidine for Cannabis Dependence in Patients With Schizophrenia NCT01598896 | Mclean Hospital | Phase 2 / Phase 3 |
| Completed | Open-Label Pilot Study of Guanfacine-Extended Release for the Treatment of Cannabis Dependence NCT01467999 | New York State Psychiatric Institute | Phase 1 |
| Terminated | Clinical Trial of N-acetylcysteine Versus Placebo Efficacy in the Cannabis Withdrawal NCT01439828 | Assistance Publique - Hôpitaux de Paris | Phase 2 |
| Unknown | Evaluation of the Effects of Treatment of Psycho-stimulant and Cannabis-dependent Users in Israel NCT01510015 | Tel-Aviv Sourasky Medical Center | N/A |
| Completed | Treatment for Cannabis Withdrawal and Dependence NCT01611948 | The Scripps Research Institute | Phase 2 |
| Completed | Improving Substance Use and Clinical Outcomes in Heavy Cannabis Users With Quetiapine NCT01153490 | Northwell Health | Phase 4 |
| Recruiting | Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning NCT01730781 | Yale University | — |
| Completed | Nabilone for Cannabis Dependence: A Pilot Study NCT01347762 | Mclean Hospital | Phase 2 / Phase 3 |
| Completed | Combined Pharmacotherapy for Cannabis Dependency NCT01020019 | New York State Psychiatric Institute | Phase 2 / Phase 3 |
| Completed | Biobehavioral Effects of Topiramate on Cannabis-Related Outcomes in Adolescents NCT01110434 | Brown University | Phase 2 |
| Completed | Gabapentin Treatment of Cannabis Dependence NCT00974376 | The Scripps Research Institute | Phase 2 |
| Completed | A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana NCT01005810 | Medical University of South Carolina | Phase 2 |
| Completed | Risk Perception in Drug-Dependent Adults With and Without Schizophrenia NCT01031563 | National Institute on Drug Abuse (NIDA) | — |
| Completed | Study of Quetiapine Treatment for Cannabis Dependence NCT00954681 | New York State Psychiatric Institute | Phase 2 |
| Completed | Medications Development for the Treatment of Cannabis Related Disorders NCT01204723 | University of Virginia | Phase 1 |
| Completed | Cognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine Dependenc NCT01292642 | Mclean Hospital | Phase 2 |
| Completed | Interactions Between Physical Activity and Cannabis Use in Adults NCT00838448 | Vanderbilt University | N/A |
| Completed | Clinical and Neurobiological Effects of Cannabis Dependence in Young Adults NCT00656487 | The Scripps Research Institute | Phase 2 |
| Completed | An Open-Label Trial of N-Acetylcysteine in Cannabis Dependent Adolescents NCT00542750 | Medical University of South Carolina | Phase 1 / Phase 2 |
| Completed | Gabapentin Treatment of Cannabis Dependence NCT00395044 | The Scripps Research Institute | Phase 2 |
| Completed | Quiting Marijuana Use: Self-report Study of Quitting Straegies and Withdrawal Symptoms NCT01603992 | National Institute on Drug Abuse (NIDA) | — |
| Completed | Lithium Cannabis Withdrawal Study NCT00114439 | Sydney South West Area Health Service | Phase 2 |
| Completed | Atomoxetine for the Treatment of Cannabis Dependence NCT00167297 | National Institute on Drug Abuse (NIDA) | Phase 2 |
| Completed | The Teen Marijuana Check-Up NCT00350285 | University of Washington | Phase 2 |
| Unknown | A Comparison of Adolescent Group Therapy and Transitional Family Therapy for Adolescent Alcohol and Drug Abuse NCT00484367 | The Morton Center, Inc. | Phase 2 / Phase 3 |