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School of Public Health
block W logo University of Washington

Branko Kopjar

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Associate Professor, Health Services


PhD   University of Oslo (Norway), 1996   (Epidemiology)
MS   University of Zagreb (Yugoslavia), 1991   (Biostatistics)
MD   University of Zagreb (Yugoslavia), 1987   (Internal Medicine)

Contact Info


4333 Brooklyn Ave NE, Rm 14-315
Seattle, WA 98195-9455

campus box:   359455
voice:   206-221-3349
fax:   206-543-3964


Dr. Kopjar is an internationally recognized scholar and expert in biostatistics and clinical epidemiology. As of 2018, he serves as an author/co-author on over 500 published original articles, reviews, technical reports and abstracts. His research interests include: spinal cord injury and diseases, neurosurgery, orthopaedics, preventive medicine and healthcare reform. Dr. Kopjar has been actively participating in the design, management and analysis of clinical trials and medical research for more than 30 years. He is a frequent contributor to peer-reviewed publications such as the Journal of Neurosurgery, the American Journal of Public Health, Spine and the Journal of Bone and Joint Surgery. Dr. Kopjar began his public health career at the Norwegian Foundation for Health Services Research, where he served as its Research Director in the 1990’s. He went on to become the department head of the Section for Preventive Medicine at the Norwegian National Institute of Public Health.
Dr. Kopjar joined the University of Washington in 1997 as a visiting associate professor. Today he is a full-time faculty member and the director of the Executive Master of Public Health (eMPH) program. In addition to his roles at the university, Dr. Kopjar is active in a variety of research organizations including: AOSpine North America, The North American Spine Society (NASS), Cervical Spine Research Society (CSRS) and the International Scholarly Research Network (ISRN). He also serves on the editorial board and as a reviewer for several academic journals. In 2014 Dr. Kopjar was awarded a five-year distinguished professorship to the orthopaedic department at Chongqing University in China. Dr. Kopjar has also held policymaking roles serving as an Advisor to the Minister of Health for two European governments.

Prevention effectiveness; outcomes research; comparative effectiveness; neurosurgery; orthopedics, biostatistics; quality of care; clinical trials

Harris AI, Christen B, Malcorps JJ, O'Grady CP, Kopjar B, Sensiba PR, Vandenneucker H, Huang BK, Cates HE, Hur J, Marra DA. Midterm Performance of a Guided-Motion Bicruciate-Stabilized Total Knee System: Results From the International Study of Over 2000 Consecutive Primary Total Knee Arthroplasties. J Arthroplasty. 2019 Jul;34(7S):S201-S208. doi: 10.1016/j.arth.2019.02.011. Epub 2019 Feb 14.  PMID: 31031156

Tetreault L, Wilson JR, Kotter MRN, Côté P, Nouri A, Kopjar B, Arnold PM, Fehlings MG. Is Preoperative Duration of Symptoms a Significant Predictor of Functional Outcomes in Patients Undergoing Surgery for the Treatment of Degenerative Cervical Myelopathy? Neurosurgery. 2018 Nov 16. doi: 10.1093/neuros/nyy474. [Epub ahead of print]  PMID: 30445506

Christen B, Kopjar B. Second-generation bi-cruciate stabilized total knee system has a lower reoperation and revision rate than its predecessor. Arch Orthop Trauma Surg. 2018 Nov;138(11):1591-1599. doi: 10.1007/s00402-018-3019-5. Epub 2018 Aug 25.  PMID: 30167859    PMCID: PMC6182702
PubMed Central

Arnold PM, Sasso RC, Janssen ME, Fehlings MG, Heary RF, Vaccaro AR, Kopjar B. i-Factor™ Bone Graft vs Autograft in Anterior Cervical Discectomy and Fusion: 2-Year Follow-up of the Randomized Single-Blinded Food and Drug Administration Investigational Device Exemption Study. Neurosurgery. 2017 Sep 8. doi: 10.1093/neuros/nyx432. [Epub ahead of print]  PMID: 28945914

Nater A, Tetreault LA, Kopjar B, Arnold PM, Dekutoski MB, Finkelstein JA, Fisher CG, France JC, Gokaslan ZL, Rhines LD, Rose PS, Sahgal A, Schuster JM, Vaccaro AR, Fehlings MG. Predictive factors of survival in a surgical series of metastatic epidural spinal cord compression and complete external validation of 8 multivariate models of survival in a prospective North American multicenter study. Cancer. 2018 Jul 5. doi: 10.1002/cncr.31585. [Epub ahead of print]  PMID: 29975401

Chair, thesis committee for Andre Carvalho
Racial/Ethnic Differences in Head and Neck Cancer Survival Rates

Member, thesis committee for Patricia Montgomery
Evaluation of a post discharge phone call program on thirty-day re-admission and emergency room use in patients with diabetes: A pilot program

Chair, thesis committee for James Manning
Evaluating a wellness program for public safety employees (cops and fire fighters) in Nevada

A Multicenter, Randomized Controlled Trial of Cerebrospinal Fluid Drainage in Acute Spinal Cord Injury
St. Joseph's Hospital and Medical Center
PI:   Kopjar           Dates:    6/1/2019 - 9/29/2019

An Assessment of Surgical Techniques for Treating Cervical Spondylotic An Assessment of Surgical Techniques for Treating Cervical Spondylotic Myelopathy. International Multicenter Study
University Health Network, Canada
PI:   Kopjar           Dates:    4/1/2011 - 12/31/2016

Riluzole in Spinal Cord Injury Study (RISCIS)

The aim of this study is to evaluate efficacy and safety of riluzole in the treatment of patients with acute spinal cord injury (SCI).

Efficacy of Riluzole in Surgical Treatment for Cervical Spondylotic Myelopathy (CSM-Protect)

Study of the efficacy of Riluzole in patients with cervical spondylotic myelopathy undergoing surgical treatment. A randomized, double-blind, placebo-controlled multi-center study