
Projects

Projects
Studies Actively Recruiting Participants at HSN Sites
| CTN Number | Protocol | Lead Investigators |
|---|---|---|
| CTN-0131 | Office-Based Methadone versus Buprenorphine to Address Retention in Medication for Opioid Use Disorder Treatment – A Randomized Pragmatic Hybrid Effectiveness/Implementation Trial
| David Fiellin and Paul Joudrey (Co-Lead Investigators) Site PI: Ingrid Binswanger, Kaiser Permanente Colorado |
Studies Led by Health Systems Node (HSN) Investigators
| CTN Number | Protocol | Lead Investigators |
|---|---|---|
| CTN-0141 | Health Insurance Instability and Mortality among Patients Receiving Buprenorphine Treatment for Opioid Use Disorder: Linkage of the Prescription Opioid Registry with the National Death Index | Anh Nguyen, Ingrid Binswanger, and Jason Glanz |
| CTN-0140 | Cannabis Use in Pregnancy: Psychiatric and Substance Use Disorders | Kelly Young-Wolff |
| CTN-0117 | The Impact of COVID-19 Pandemic on Substance Use Treatment Services | Cynthia Campbell |
| CTN-0113 | Validating a DSM-5 Substance Use Symptom Checklist in EHR Data from a Large Primary Care Sample to Support Future Pragmatic Trials and Chronic Care Management of SUDs in Primary Care | Emily Williams and Katharine Bradley |
| CTN 0084-A-2 | Harnessing Digital Health to Understand Clinical Trajectories of Opioid Use Disorder (D-TECT) | Cynthia Campbell and Lisa Marsch |
| CTN-0084-A-1 | Determining the Optimal Duration of Buprenorphine Treatment to Reduce Relapse, Overdose, and Mortality | Jason Glanz, Ingrid Binswanger, Cynthia Campbell |
| CTN-0084 | Developing a Prescription Opioid Registry across 10 Health Systems | Cynthia Campbell |
| CTN-0077-OT | Medical Cannabis Use Among Primary Care Patients: Using Electronic Health Records to Study Large Populations | Gwen Lapham and Katharine Bradley |
| CTN-0074-A-1 | Primary Care Opioid Use Disorder Treatment (PROUD) Trial – Economic Analysis Study | Sean Murphy |
| CTN-0074 | Primary Care Opioid Use Disorder Treatment (PROUD) Trial | Katharine Bradley |
| CTN-0072-OT | Examine Patient and System-Level Factors Associated with HEDIS AOD-IET Measure Performance across Health Systems | Constance Weisner |
| CTN-0065-OT | Evaluation of Drug Screening Implementation in Primary Care | Katharine Bradley |
| CTN-0061-OT | Kaiser Virtual Data Warehouse – Prescription Opioid Users | Cynthia Campbell |
Studies with HSN Investigator Participation
| CTN Number | Protocol | Lead Investigators |
|---|---|---|
| CTN-0139 | Collaborative Care for Polysubstance Use in Primary Care Settings (Co-Care) HSN Co-Is: Katharine Bradley and Madeline Frost | Jennifer McNeely and Jane Liebschutz |
| CTN-0131 | Office-Based Methadone versus Buprenorphine to Address Retention in Medication for Opioid Use Disorder Treatment – A Randomized Pragmatic Hybrid Effectiveness/Implementation Trial HSN Site PI: Ingrid Binswanger | David Fiellin and Paul Joudrey |
| CTN-0095 | Clinic-Randomized Trial of Clinical Decision Support for Opioid Use Disorders in Medical Settings (COMPUTE 2.0) HSN Site PI: Irina Haller | Rebecca Rossom and Gavin Bart |

NIDA Clinical Trials Network
4480 Hacienda Drive, Pleasanton, CA 94588
Contact: Monique Buffler
© 2026 CTNHSN.ORG | Your Privacy Choices