Dr. Judith Tsui is a Professor of Medicine at the University of Washington, based at Harborview Medical Center and Evergreen Treatment Services. As a clinician investigator, her overall goal is to improve care delivery and health outcomes for persons who use drugs who are at risk for HIV and HCV. Dr. Tsui’s current research is focused on innovative health service delivery interventions to expand access, and improve adherence, to potentially life-saving medications for persons who use drugs, including medications for opioid use disorder, HCV, and PrEP. Additionally, she has conducted research on substance use, pain, and opioid prescribing for persons living with HIV.

Dr. Tsui mentors medical students, residents, fellows, and graduate students who are interested in clinical research on substance use disorders and related co-morbidities such as HCV. She publishes in peer-reviewed journals and contributes to the popular press. View her full CV.

Dr. Tsui welcomes emailed queries about research opportunities.

Research Activities and Funding

Feasibility of mHealth technology-enabled service for remote observed therapy of methadone and COVID-19 screening for patients in an opioid treatment program

Role: Principal Investigator

Development and Evaluation of Effectiveness of Video-Based Directly Observed Therapy for Office-Based Treatment of Opioid Use Disorders with Buprenorphine

Role: Principal Investigator

Pilot Study of a Community-Pharmacy Model to Expand Access to Medications to Treat and Prevent Hepatitis C, Opioid Use Disorders, Overdose and HIV Among Persons Who Inject Drugs

Role: Principal Investigator

The UW Medical Student Addiction Research (MedStAR) Program to Address Substance Use and Disorders in Urban and Rural Communities in Five Western States

Role: Principal Investigator
MedStAR Program

Patient-Centered Models of HCV Care for People who Inject Drugs

Role: Site Principal Investigator

Pilot Study of Opioid-Receptor Antagonists to Reduce Pain and Inflammation among HIV-Infected Persons with Alcohol

Role: Principal Investigator

Rural Comorbidity and HIV consequences of Opioid use Research and Treatment Initiative (Rural Cohort) Data Coordinating Center

Role: Principal Investigator

University of Washington Provider’s Clinical Support System – Universities

Role: Principal Investigator

Selected Previous Funding

Improving Physician Opioid Prescribing for Chronic Pain in HIV-Infected Persons


SAMHSA Medication-Assisted Treatment (MAT)

The MAT Prescription Drug and Opioid Addiction project provides clinical services centered on buprenorphine treatment through the Adult Medicine Clinic at Harborview Medical Center for patients suffering from opioid use disorders. The program is based on a collaborative care model driven by a nurse care manager that optimizes physician effort.

Advancing Clinical Research Training within Addiction Residency Programs

The RAMS Program at Boston Medical Center enhances research capacity among trainees in the new medical specialty of Addiction Medicine.

View selected publications and contributions to the popular press.