CTN            
                                                                                        NIDA-CTN-0101            
                                                                                        Subthreshold Opioid Use Disorder Prevention (STOP) Trial           
                                                                                        Jane Liebschutz, M.D., M.P.H. , Jennifer McNeely, M.D.            
                                                                                        Oct 27, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0134            
                                                                                        Identifying Regional “Hotspots” and Potential Correlates of Precipitated Withdrawal During Buprenorphine Induction in Fentanyl Users Through Prescriber Survey Responses and Patient Urine Drug Test Results (Buprenorphine-Precipitated Withdrawal Hotspots and Correlates)           
                                                                                        LaTrice Montgomery, Ph.D. , T. John Winhusen, Ph.D.            
                                                                                        Jun 03, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0105            
                                                                                        Integrating Pharmacy-Based Prevention and Treatment of Opioid and Other Substance Use Disorders: A Survey of Pharmacists and Stakeholders           
                                                                                        Li-Tzy Wu, ScD.            
                                                                                        May 23, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0095A1            
                                                                                        Suicide Prediction and Prevention for People at Risk for Opioid Use Disorder           
                                                                                        Gavin Bart, Ph.D., M.D. , Rebecca Rossom, M.D., M.S.            
                                                                                        Apr 22, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0083            
                                                                                        Using Social Media to Deliver HIV Self-Testing Kits and Link to Online PrEP Services (Social Media PrEP)           
                                                                                        Jeffrey D. Klausner, M.D.            
                                                                                        Apr 09, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0069            
                                                                                        Opioid Use Disorder in the Emergency Department (ED-HEALTH)           
                                                                                        David A. Fiellin, M.D. , Gail D'Onofrio, M.D., M.S.            
                                                                                        Mar 21, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0097            
                                                                                        Surmounting Withdrawal to Initiate Fast Treatment With Naltrexone (SWIFT)           
                                                                                        Adam Bisaga, M.D. , Edward V. Nunes, M.D.            
                                                                                        Feb 11, 2025 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0081            
                                                                                        Capturing Opioid Use Disorder Electronically & Patient Reported Outcomes (CODE-PRO)           
                                                                                        Arjun Krishna Venkatesh, MD, MBA, MHS , Kathryn Hawk, M.D., M.H.S. , Richard Andrew Taylor, MD, MHS            
                                                                                        Dec 06, 2024 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0079            
                                                                                        Emergency Department Connection to Care with Buprenorphine for Opioid Use Disorder (ED-CONNECT)           
                                                                                        John Rotrosen, M.D. , Kathryn Hawk, M.D., M.H.S. , Ryan McCormack, M.D.            
                                                                                        Nov 04, 2024 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0064            
                                                                                        Assessing Long-term CTN-0049 Outcomes, HCV Prevalence and Progression along the HCV Care Continuum among HIV/HCV Co-infected Substance Users in the U.S.           
                                                                                        Carlos del Rio, M.D. , Carmen Masson, Ph.D. , Daniel J. Feaster, Ph.D. , David Perlman, M.D. , Lisa Metsch, Ph.D.            
                                                                                        Oct 24, 2024 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0095A2            
                                                                                        Reducing Stigma toward People with Opioid Use Disorder among Primary Care Clinicians           
                                                                                        Stephanie Hooker, Ph.D., M.P.H. , Rebecca Rossom, M.D., M.S. , A. Lauren Crain, Ph.D. , Gavin Bart, Ph.D., M.D.            
                                                                                        May 24, 2024 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0055            
                                                                                        Comparing Treatments for HIV-Infected Opioid and Alcohol Users in an Integrated Care Effectiveness Study (CHOICES)           
                                                                                        P. Todd Korthuis, MD            
                                                                                        Mar 07, 2024 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0051A2            
                                                                                        Treatment-as-Usual Opioid Use Outcomes Following Discharge from Detoxification and Short-Term Residential Programs Affiliated with NIDA CTN-0051           
                                                                                        John Rotrosen, M.D.            
                                                                                        Feb 15, 2024 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0067            
                                                                                        Comparing Treatments for HIV-Infected Opioid Users in an Integrated Care Effectiveness Study (CHOICES) Scale-Up           
                                                                                        P. Todd Korthuis, MD            
                                                                                        Jul 26, 2023 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0093            
                                                                                        Validation of a Community Pharmacy-Based Prescription Drug Monitoring Program Risk Screening Tool           
                                                                                        Gerald Cochran, PhD , T. John Winhusen, Ph.D.            
                                                                                        Apr 13, 2023 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0075            
                                                                                        Buprenorphine Physician-Pharmacist Collaboration in the Management of Patients With Opioid Use Disorder           
                                                                                        Li-Tzy Wu, ScD. , Paolo Mannelli, MD            
                                                                                        Feb 16, 2023 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0068            
                                                                                        Accelerated Development of Additive Pharmacotherapy Treatment for Methamphetamine Use Disorder (ADAPT-2)           
                                                                                        Madhukar H. Trivedi, M.D.            
                                                                                        Oct 07, 2022 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0054            
                                                                                        Accelerated Development of Additive Pharmacotherapy Treatment for Methamphetamine Use Disorder (ADAPT)           
                                                                                        Walter Ling, M.D.            
                                                                                        Oct 09, 2020 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0049            
                                                                                        Project HOPE - Hospital Visit as Opportunity for Prevention and Engagement for HIV-Infected Drug Users           
                                                                                        Lisa Metsch, Ph.D. , Carlos del Rio, M.D.            
                                                                                        Sep 07, 2018 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0053            
                                                                                        Achieving Cannabis Cessation-Evaluating N-Acetylcysteine Treatment (ACCENT)           
                                                                                        Kevin M. Gray, MD            
                                                                                        Jul 13, 2018 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0051            
                                                                                        Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment           
                                                                                        John Rotrosen, M.D.            
                                                                                        Jan 12, 2018 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0059            
                                                                                        The TAPS Tool: Screen and Brief Assessment Tool Validation Study           
                                                                                        Robert P Schwartz, M.D. , Li-Tzy Wu, ScD. , Jennifer McNeely, M.D.            
                                                                                        Sep 14, 2017 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0056            
                                                                                        Testing and Linkage to HIV Care in China: A Cluster Randomized Trial           
                                                                                        Zunyou Wu, MD, PhD            
                                                                                        Sep 14, 2017 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0017            
                                                                                        HIV and HCV Risk Reduction Interventions in Drug Detoxification and Treatment Settings           
                                                                                        Robert Booth, Ph.D.            
                                                                                        Dec 23, 2008 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0047            
                                                                                        Screening, Motivational Assessment, Referral, and Treatment in Emergency Departments (SMART-ED)           
                                                                                        Michael P. Bogenschutz, M.D. , Dennis Donovan, Ph.D.            
                                                                                        Sep 02, 2014 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0018            
                                                                                        Reducing HIV/STD Risk Behaviors: A Research Study for Men in Drug Abuse Treatment           
                                                                                        Donald A. Calsyn, Ph.D.            
                                                                                        Oct 02, 2008 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0052            
                                                                                        A Randomized Controlled Evaluation of Buspirone for Relapse-Prevention in Adults with Cocaine Dependence (BRAC)           
                                                                                        T. John Winhusen, Ph.D.            
                                                                                        May 14, 2014 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0048            
                                                                                        Cocaine Use Reduction with Buprenorphine (CURB)           
                                                                                        Walter Ling, M.D.            
                                                                                        Apr 24, 2015 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0046            
                                                                                        Smoking-Cessation and Stimulant Treatment (S-CAST): Evaluation of the Impact of Concurrent Outpatient Smoking-Cessation and Stimulant Treatment on Stimulant-Dependence Outcomes           
                                                                                        T. John Winhusen, Ph.D. , Eugene Somoza, M.D.            
                                                                                        Nov 19, 2013 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0044            
                                                                                        Web-delivery of Evidence-Based, Psychosocial Treatment for Substance Use Disorders           
                                                                                        Edward V. Nunes, M.D.            
                                                                                        May 14, 2014 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0037            
                                                                                        Stimulant Reduction Intervention using Dosed Exercise (STRIDE)           
                                                                                        Madhukar H. Trivedi, M.D.            
                                                                                        Apr 24, 2015 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-AWARE            
                                                                                        Project Aware: HIV Rapid Testing & Counseling in STD Clinics in the U.S. – an Adaptation of CTN-0032           
                                                                                        Lisa Metsch, Ph.D. , Grant Colfax, M.D.            
                                                                                        Jul 03, 2014 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0032            
                                                                                        HIV Rapid Testing and Counseling in Drug Abuse Treatment Programs in the U.S.           
                                                                                        Lisa Metsch, Ph.D.            
                                                                                        Nov 02, 2011 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0031A            
                                                                                        An Evaluation of Neurocognitive Function, Oxidative Damage, and Their Association With Treatment Outcomes in Methamphetamine and Cocaine Abusers           
                                                                                        T. John Winhusen, Ph.D. , Eugene Somoza, M.D.            
                                                                                        Nov 26, 2013 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0031            
                                                                                        Stimulant Abuser Groups to Engage in 12-Step (STAGE-12): Evaluation of a Combined Individual-Group Intervention to Reduce Stimulant and Other Drug Use by Increasing 12-Step Involvement           
                                                                                        Dennis Donovan, Ph.D. , Dennis Daley, Ph.D.            
                                                                                        Feb 06, 2012 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0030A3            
                                                                                        Long-Term Follow-Up to CTN-0030 (A Two-Phase Randomized Controlled Clinical Trial of Buprenorphine/Naloxone Treatment Plus Individual Drug Counseling for Opioid Analgesic Dependence)           
                                                                                        Roger Weiss, M.D. , Jennifer Sharpe Potter, Ph.D.            
                                                                                        Aug 22, 2014 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0030            
                                                                                        A Two-Phase Randomized Controlled Clinical Trial of Buprenorphine/Naloxone Treatment Plus Individual Drug Counseling for Opioid Analgesic Dependence           
                                                                                        Walter Ling, M.D. , Roger Weiss, M.D.            
                                                                                        Jun 22, 2011 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0029            
                                                                                        A Pilot Study of Osmotic-Release Methylphenidate in Initiating and Maintaining Abstinence in Smokers with ADHD           
                                                                                        T. John Winhusen, Ph.D. , Eugene Somoza, M.D.            
                                                                                        Dec 15, 2009 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0028            
                                                                                        Osmotic-Release Methylphenidate (OROS-MPH) for ADHD in Adolescents with Substance Use Disorders           
                                                                                        Paula Riggs, M.D.            
                                                                                        Oct 04, 2010 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0027            
                                                                                        Starting Treatment with Agonist Replacement Therapies (START)           
                                                                                        Walter Ling, M.D.            
                                                                                        Jun 06, 2012 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0021            
                                                                                        Motivational Enhancement Treatment to Improve Treatment Engagement and Outcome for Spanish-Speaking Individuals Seeking Treatment for Substance Abuse           
                                                                                        Kathleen Carroll, Ph.D. , José Szapocznik, Ph.D.            
                                                                                        Jul 30, 2008 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0020            
                                                                                        Job Seekers Training for Patients with Drug Dependence           
                                                                                        Dace Svikis, Ph.D.            
                                                                                        Feb 27, 2009 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0019            
                                                                                        Reducing HIV/STD Risk Behaviors: A Research Study for Women in Drug Abuse Treatment           
                                                                                        Susan Tross, Ph.D.            
                                                                                        Oct 28, 2008 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0016            
                                                                                        Patient Feedback: A Performance Improvement Study in Outpatient Addiction Treatment           
                                                                                        Robert Forman, Ph.D.            
                                                                                        Aug 01, 2007 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0015            
                                                                                        Women's Treatment for Trauma and Substance Use Disorders           
                                                                                        Denise Hien, Ph.D.            
                                                                                        May 01, 2009 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0014            
                                                                                        Brief Strategic Family Therapy (BSFT) For Adolescent Drug Abusers           
                                                                                        José Szapocznik, Ph.D.            
                                                                                        Mar 02, 2010 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0013            
                                                                                        Motivational Enhancement Therapy (MET) to Improve Treatment Utilization and Outcome in Pregnant Substance Users           
                                                                                        T. John Winhusen, Ph.D.            
                                                                                        May 27, 2008 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0012            
                                                                                        Characteristics of Screening, Evaluation, and Treatment of HIV/AIDS, Hepatitis C Viral Infections, and Sexually Transmitted Infections in Substance Abuse Treatment Programs           
                                                                                        Lawrence Brown, Jr., M.D., M.P.H.            
                                                                                        Jun 11, 2007 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0011            
                                                                                        A Feasibility Study of a Telephone Enhancement Procedure (TELE) to Improve Participation in Continuing Care Activities           
                                                                                        Robert L. Hubbard, Ph.D., M.B.A.            
                                                                                        May 18, 2007 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0010            
                                                                                        Buprenorphine/Naloxone-Facilitated Rehabilitation for Opioid Dependent Adolescents/Young Adults           
                                                                                        George Woody, M.D.            
                                                                                        Jul 30, 2009 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0009            
                                                                                        Smoking Cessation Treatment with Transdermal Nicotine Replacement Therapy in Substance Abuse Rehabilitation Programs           
                                                                                        Malcolm Reid, Ph.D.            
                                                                                        Dec 03, 2007 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0008            
                                                                                        Assessment of the National Drug Abuse Clinical Trials Network: A Baseline for Investigating Diffusion of Innovation           
                                                                                        Dennis McCarty, Ph.D.            
                                                                                        Jan 25, 2007 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0007            
                                                                                        Motivational Incentives for Enhanced Drug Abuse Recovery: Methadone Clinics           
                                                                                        Maxine Stitzer, Ph.D.            
                                                                                        Dec 13, 2006 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0006            
                                                                                        Motivational Incentives for Enhanced Drug Abuse Recovery: Drug Free Clinics           
                                                                                        Maxine Stitzer, Ph.D.            
                                                                                        Oct 31, 2006 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0005            
                                                                                        MI (Motivational Interviewing) to Improve Treatment Engagement and Outcome in Subjects Seeking Treatment for Substance Abuse           
                                                                                        Kathleen Carroll, Ph.D.            
                                                                                        Sep 08, 2006 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0004            
                                                                                        MET to Improve Treatment Engagement and Outcome in Subjects Seeking Treatment for Substance Abuse           
                                                                                        Kathleen Carroll, Ph.D.            
                                                                                        Oct 03, 2007 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0003            
                                                                                        Suboxone (Buprenorphine/Naloxone) Taper: A Comparison of Two Schedules           
                                                                                        Walter Ling, M.D.            
                                                                                        May 29, 2008 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0002            
                                                                                        Buprenorphine/Naloxone versus Clonidine for Outpatient Opiate Detoxification           
                                                                                        Walter Ling, M.D.            
                                                                                        Jul 26, 2006 
           
               
          
                                                                                        CTN            
                                                                                        NIDA-CTN-0001            
                                                                                        Buprenorphine/Naloxone versus Clonidine for Inpatient Opiate Detoxification           
                                                                                        Walter Ling, M.D.            
                                                                                        May 08, 2006