| Not Yet Recruiting | Coordinated Access for Addiction Recovery and Equity in VA Supportive Housing NCT07141394 | VA Office of Research and Development | N/A |
| Not Yet Recruiting | Research Investigating Drug Effects-2 (RiDE-2) NCT06758596 | University of Illinois at Chicago | EARLY_Phase 1 |
| Not Yet Recruiting | Justice Community Overdose Innovation Network II TCU Hub NCT07528846 | Texas Christian University | N/A |
| Not Yet Recruiting | Mechanisms of Written Exposure Therapy in Residential SUD Treatment NCT07397507 | Mclean Hospital | N/A |
| Not Yet Recruiting | Unified Junction of Care, Integrated Treatments and Team Coordination for ADHD in Prison Settings With Substan NCT07487155 | University Hospital, Brest | N/A |
| Not Yet Recruiting | Implementation of TBI-RECOVER in Substance Use Treatment NCT07215221 | Ohio State University | N/A |
| Not Yet Recruiting | Evaluation of the ADD'Pro Vocational Reintegration Program (ADD-PRO-EVAL) NCT07520617 | University Hospital, Clermont-Ferrand | N/A |
| Enrolling By Invitation | Incentives and Long-Acting Injectable Adherence After Involuntary Hospitalization NCT07130500 | Stanford University | N/A |
| Recruiting | Adolescent Stress and Substance Intervention Subsequent to Trauma NCT07197476 | Rhode Island Hospital | N/A |
| Not Yet Recruiting | Combining Social Network Strategies and Routine Substance Use Screening NCT07414459 | University of California, San Diego | N/A |
| Recruiting | Transcranial Direct Current Stimulation (tDCS) for Treatment of Cocaine Use Disorder NCT07318480 | Icahn School of Medicine at Mount Sinai | N/A |
| Recruiting | Correctional Service of Canada Pilot Trial of Digital Substance Use Disorder Interventions (PROCESS) NCT07342218 | St. Joseph's Healthcare Hamilton | N/A |
| Recruiting | Long-acting Cabotegravir Injectable Pre-exposure Prophylaxis for People Who Inject Drugs NCT07199335 | Massachusetts General Hospital | Phase 4 |
| Recruiting | Identifying Substance Use Consequences NCT07503067 | Mclean Hospital | — |
| Recruiting | Substance Use in Pregnant People - Optimizing Retention in Treatment NCT07104123 | Washington University School of Medicine | N/A |
| Not Yet Recruiting | Reducing Parental Substance Use and Enhancing Family Resilience Among Rural Families Through Ohio START NCT07278427 | Ohio State University | — |
| Not Yet Recruiting | The Effect of Cognitive Behavioral Model-Based Psychoeducation on Social Exclusion, Hopelessness, and Relapse NCT07316335 | Ataturk University | N/A |
| Recruiting | Effect of Person-Centered Occupational Therapy Interventions for Substance Use Disorder NCT07364240 | Hacettepe University | N/A |
| Not Yet Recruiting | Study to Confirm the AuthenTicity of Point of Care Urine samplEs Using Oral fluoreScein Sodium in adulTs With NCT07356349 | UpTru Inc. | Phase 3 |
| Enrolling By Invitation | Trauma-informed Intervention to Reduce Substance Use and to Support Community Transition NCT06651528 | Michele Staton | N/A |
| Recruiting | Pathways to Perinatal Mental Health Equity NCT06790641 | University of Massachusetts, Worcester | N/A |
| Recruiting | California MEPS Hub NCT07433985 | University of California, Los Angeles | N/A |
| Recruiting | Individualized Adaptive Deep Brain Stimulation in Opioid Use Disorder NCT07214467 | University of California, San Francisco | N/A |
| Not Yet Recruiting | Recovery Works - Facilitating Sustainable Recovery Through Workforce NCT07216612 | West Virginia School of Osteopathic Medicine | N/A |
| Recruiting | Calls and Coordination for Transitions of Care at Re-entry NCT06794983 | University of Wisconsin, Madison | N/A |
| Recruiting | Wellness, Intervention Strategies and HIV Care NCT07069374 | University of California, San Francisco | N/A |
| Recruiting | WORTH Paths Intervention NCT06889831 | Fairleigh Dickinson University | N/A |
| Recruiting | Contingency Management for Veteran Smokers Undergoing Major Elective Surgery NCT06678672 | University of California, San Francisco | N/A |
| Recruiting | Web-based Alcohol- or Cocaine-specific Inhibition Training in Adolescents and Young Adults With Substance Use NCT07071779 | University of Bern | N/A |
| Recruiting | Effectiveness, Implementation, and Cost of Cognitive Processing Therapy in Prisons NCT06923423 | University of Arkansas | N/A |
| Recruiting | Fighting Addictions, Improving Lives: COmprehensive Drug Rehabilitation With Music NCT07028983 | NORCE Norwegian Research Centre AS | N/A |
| Active Not Recruiting | Reentry Assist (R-Assist) NCT06980233 | Meaningful Measurement, Inc | N/A |
| Recruiting | Metabolome and Gut Microbiome Changes During Smoking Cessation in Long-term Drug Therapy in a Therapeutic Comm NCT06803706 | Sigmund Freud PrivatUniversitat | N/A |
| Enrolling By Invitation | Research and Engagement on Substance Use: Harnessing Awareness and Personalized Education (RESHAPE) to Improve NCT06952491 | Evidation Health | — |
| Recruiting | The Trans-Led Care Study NCT06880705 | Illinois Institute of Technology | N/A |
| Not Yet Recruiting | Expanding Access to mTBI Treatment for Veterans and Service Members With Co-occurring Substance Use NCT06620900 | Shepherd Center, Atlanta GA | N/A |
| Recruiting | LHC-CIDI-5 in Hong Kong NCT06804525 | The University of Hong Kong | — |
| Recruiting | Evaluating Pain Control Strategies in Postpartum Patients on Opioid Use Disorder Medications. NCT06617949 | Medical College of Wisconsin | EARLY_Phase 1 |
| Recruiting | Protocol Study on Addiction, Trauma and Immigration Among Vulnerable Young Adults in Grand Est NCT06922721 | University of Lorraine | — |
| Recruiting | Contextualization and Digitalization of WHO's Mental Health Action Gap Intervention Guide Substance Use Disord NCT07386574 | Pakistan Institute of Living and Learning | N/A |
| Active Not Recruiting | Addressing Barriers to Care for Substance Use Disorder Trial NCT06729957 | Kaiser Permanente | N/A |
| Recruiting | Peer Support Workers Feasibility Study NCT07030192 | University of British Columbia | N/A |
| Recruiting | HABITS Study (Helping Addiction by Individualized Therapeutic Stimulation): Pilot Trial of Deep Brain Stimulat NCT06973512 | Centre for Addiction and Mental Health | N/A |
| Terminated | ENTRUST - Economic Navigation and Strengthening to Realize Unrestricted Services for Transgender Women NCT06667713 | University of Central Florida | N/A |
| Completed | A Study of a Mobile Phone Application Measuring the Eyes Before and After Medication NCT06629740 | Kontigo Care AB | N/A |
| Recruiting | Open-Label Psilocybin Study in Transdiagnostic Population NCT06442423 | Yale University | Phase 1 |
| Completed | How Avatar Can Enhance Autobiographical Memory of Patients With Substance Use Disorder NCT06806943 | Le.L.A.T. Lega Lotta Aids E Tossicodipendenza | N/A |
| Recruiting | Behavioural Development, Long-term Outcomes and Opportunities to Optimize Youth Mental Health Trajectories NCT06978452 | Douglas Mental Health University Institute | — |
| Completed | Oral and Dental Health in Substance Dependent Individuals NCT06640712 | Izmir Democracy University | N/A |
| Recruiting | Culturally Adapted Motivational Interviewing With CBT and Mindfulness Based Relapse Prevention for Substance U NCT04885569 | Pakistan Institute of Living and Learning | N/A |
| Unknown | Equine-assisted Therapy Effectiveness in Improving Emotion Regulation of Patients Suffering From Substance Use NCT05632185 | Suez Canal University | N/A |
| Completed | Mobile Phone-based Smoking Cessation Program NCT06747182 | Sir Run Run Shaw Hospital | N/A |
| Active Not Recruiting | Retrospective Observational Study of Intensity Effects in Psychedelic-assisted Treatment NCT07164287 | University Hospital, Geneva | — |
| Active Not Recruiting | Predicting Dropout and Outcome From Neuropsychological Functions in SUD Patients NCT03220373 | Oslo University Hospital | — |
| Completed | NAC for Treating Comorbid PTSD and SUD NCT02911285 | Medical University of South Carolina | Phase 2 |
| Completed | Mindfulness-Based Psychoeducation With Substance Use and Anxiety Disorders NCT07483918 | Bout Me Healing | — |
| Completed | Using Smartphones to Provide Recovery Support Services NCT02132481 | Chestnut Health Systems | N/A |
| Completed | Efficacy Of Bupropion For Attention Deficit Hyperactivity Disorder (ADHD) In Adults NCT01270555 | Massachusetts General Hospital | N/A |