| Recruiting | Neuroimaging of Adolescent Cannabis Use Treatment NCT07340554 | Indiana University | N/A |
| Recruiting | Health Surveillance at Constructor University Bremen (CUB) and Among HAW-Hamburg Employees NCT06899308 | Jacobs University Bremen gGmbH | — |
| Recruiting | A Cross-Sectional Observational Study on Retained Drug Needle Fragments in People Who Use Intravenous Drugs NCT05679284 | Tampere University Hospital | — |
| Unknown | Correlation of Genetic Variations With Clinical Response in Substance Use Disorder NCT05833399 | Alexandria University | — |
| Active Not Recruiting | Examining Feasibility and Acceptability of Telemedicine for Substance Use Disorder (SUD) NCT04768920 | University of Michigan | N/A |
| Active Not Recruiting | Harnessing Telemedicine to Improve Alcohol Use Disorder Outcomes in Primary Care Patients NCT05410561 | University of Michigan | N/A |
| Unknown | Brain Mechanism and Intervention of Executive-control Dysfunction Among Substance Dependents NCT05312359 | Shanghai Mental Health Center | N/A |
| Active Not Recruiting | Developing a Telehealth Model to Improve Treatment Access for Rural Veterans With Substance Use Disorders NCT05348317 | VA Office of Research and Development | N/A |
| Recruiting | Pre-exposure Prophylaxis (PrEP) for Health NCT04430257 | Brown University | N/A |
| Withdrawn | Can The Bridge Transition Opiate Use Disorder Patients in Stable Recovery From Buprenorphine to Naltrexone NCT03762798 | The Cleveland Clinic | N/A |
| Completed | Online Cognitive Behavioural Therapy for Addiction: Efficacy and Cost-Effectiveness in a Pragmatic Clinical Tr NCT03767907 | Centre for Addiction and Mental Health | N/A |
| Completed | Efficacy of Cognitive Bias Modification in Residential Treatment for Addiction NCT03000699 | Centre for Addiction and Mental Health | N/A |
| Completed | Family Engagement, Cross-System Linkage to Substance Use Treatment for Juvenile Probationers -- Phase 3 NCT03048552 | New York State Psychiatric Institute | N/A |
| Completed | Trial of a Novel Cognitive-Behavioral Treatment for Posttraumatic Stress and Substance Dependence NCT02461732 | The University of Texas Health Science Center, Houston | N/A |
| Withdrawn | Citicoline and Omega-3 Fatty Acid Effects in Veterans With Traumatic Brain Injury (TBI) NCT01515917 | Deborah Yurgelun-Todd | N/A |
| Unknown | Distress Tolerance Treatment for Substance Users NCT01741415 | University of South Florida | Phase 2 |
| Completed | Evaluation of Impulsivity on Cocaine and Crack Addicts NCT01550887 | Federal University of São Paulo | N/A |
| Completed | Memory Reconsolidation Blockade for Treating Drug Addiction NCT01634347 | Douglas Mental Health University Institute | Phase 2 |
| Withdrawn | Improving Outcomes in Psychosis Associated With Substance Use Using Aripiprazole NCT01155544 | Northwell Health | Phase 4 |
| Completed | Intervention Targeting Substance Using Older Adults With HIV NCT01305629 | Hunter College of City University of New York | N/A |
| Active Not Recruiting | Continuing Care Following Drug Abuse Treatment: Linkage With Primary Care NCT01621711 | Kaiser Permanente | N/A |
| Completed | fMRI Study of a Dual Process Treatment Protocol With Substance Dependent Adults NCT01320748 | Inova Health Care Services | N/A |
| Unknown | Effects of Intensive Behavioral Training Program on Impulsivity and Inhibitory Control in Smokers NCT01314378 | Massachusetts General Hospital | N/A |
| Completed | Cognitive Remediation and Work Therapy in the Initial Phase of Substance Abuse Treatment NCT01410110 | Yale University | Phase 2 |
| Completed | Efficacy Trial of Warrior Check-Up NCT01128140 | University of Washington | Phase 2 |
| Completed | A Pilot Clinical Trial of Varenicline as a Treatment for Alcohol Dependence NCT01011907 | University of California, San Francisco | N/A |
| Unknown | A Dose Ranging Study of Modafinil for Methamphetamine Dependence NCT00630097 | California Pacific Medical Center Research Institute | Phase 2 |
| Completed | GSK618334 Repeat Dose Study NCT01036061 | GlaxoSmithKline | Phase 1 |
| Withdrawn | Effects of GSK598809 on Brain Activation in Abstinent Alcoholics NCT00908206 | GlaxoSmithKline | Phase 1 |
| Completed | Initialization of Methadone in Primary Care, Randomized Intervention Research for Preventing HCV Transmission NCT00657397 | French National Agency for Research on AIDS and Viral Hepatitis | Phase 3 |
| Completed | Effects of the D3 Antagonist GSK598809 on Food Reward and Reinforcement NCT01039454 | GlaxoSmithKline | Phase 1 |
| Completed | An Open Label Positron Emission Tomography (PET) Study of GSK618334 in Healthy Male Subjects Using 11C-PHNO as NCT00814957 | GlaxoSmithKline | Phase 1 |
| Withdrawn | Relapse Prevention Study in Newly Abstinent Smokers NCT00793468 | GlaxoSmithKline | Phase 2 |
| Completed | EtOH Interaction Study NCT00887367 | GlaxoSmithKline | Phase 1 |
| Completed | A Healthy Volunteer Study to Investigate the Relative Bioavailability of Two Forms of GSK598809 Capsules. NCT00728897 | GlaxoSmithKline | Phase 1 |
| Completed | A Human Volunteer Study Investigating Single Oral Doses of GSK598809 in Otherwise Healthy Smokers NCT00728052 | GlaxoSmithKline | Phase 1 |
| Unknown | Community Reinforcement and Family Training for Drug Abuse Treatment Retention/HIV Risk Reduction NCT00609089 | University of Cincinnati | Phase 1 / Phase 2 |
| Completed | A Study To Assess The Effects Of A Single Dose Of GSK598809 In Modulating Nicotine Reward NCT00605241 | GlaxoSmithKline | Phase 1 |
| Completed | A Randomized Acceptability and Safety Study of Suboxone Induction in Heroin Users (P05042)(COMPLETED) NCT00604188 | Merck Sharp & Dohme LLC | Phase 4 |
| Completed | Motivational Therapy for Substance Users With Depression NCT01189799 | University of California, Los Angeles | N/A |
| Completed | To Investigate If Single Doses Of GSK618334 Are Safe And To Investigate Blood Levels Of GSK618334 NCT00513279 | GlaxoSmithKline | Phase 1 |
| Completed | A Study To Investigate The Safety, Tolerability And Blood Levels Of GSK598809 NCT00437840 | GlaxoSmithKline | Phase 1 |
| Completed | Study To Investigate If Repeat Doses Of GSK598809 Are Safe And Well Tolerated And To Evaluate Blood Levels Of NCT00437632 | GlaxoSmithKline | Phase 1 |
| Completed | Reinforcement of Abstinence and Continuing Care in Substance Abuse Treatment NCT00288886 | US Department of Veterans Affairs | Phase 2 |
| Completed | Group Therapy for Women Prisoners With Comorbid Substance Use and Depression NCT00606996 | Brown University | N/A |
| Completed | Randomized Trial of Ultrashort Psychotherapy vs Sustained-Release Bupropion for Smoking Cessation NCT00484692 | Medical University Innsbruck | Phase 4 |
| Completed | Stress, Distress Intolerance, and Drug Dependence NCT00430482 | Boston University Charles River Campus | N/A |
| Completed | Behavioral Treatment of Drug Abuse in Severe and Persistent Mental Illness (SPMI) Patients NCT00295139 | University of Maryland, Baltimore | N/A |
| Completed | Depakote ER Therapy for Mania Comorbid With Substance Abuse NCT00208195 | Creighton University | Phase 4 |
| Completed | Seroquel Therapy for Substance Use Disorders Comorbid With Schizophrenia NCT00208143 | Creighton University | Phase 4 |
| Completed | Modifying Group Therapy for Bipolar Substance Abusers - 1 NCT00227838 | National Institute on Drug Abuse (NIDA) | N/A |
| Completed | Adolescent Outpatient and Continuing Care Study NCT01381133 | Chestnut Health Systems | Phase 3 |
| Completed | Improving Substance Abuse Treatment Aftercare Adherence and Outcome NCT00057187 | US Department of Veterans Affairs | N/A |