Ryan Hansen

Education

• PhD in Pharmaceutical Outcomes Research and Policy, UW
• PharmD, UW
• Bachelor of Arts in Chemistry and Philosophy, Carroll College

Research Interests

• Cost-effectiveness modeling
• Comparative effectiveness research
• Medication safety

Courses Taught

• PHRMCY 512: Fundamentals of US Health Care, Pharmacy Safety and Law
• HEOR 505: Managed Care Pharmacy
• HEOR 530: Economic Evaluation in Health and Medicine
• HEOR 532: Advanced Methods in Economic Evaluation
• HEOR 545: Pharmaceutical and Medical Policy Evaluation
• HEOR 597: Graduate Seminar

Biography
Dr. Hansen is Professor of Pharmacy and Chair of the Department of Pharmacy. His primary research interests focus on the comparative safety of prescription medications, health technology assessment, and health care system efficiency. He received his Bachelor of Arts from Carroll College, and his Doctor of Pharmacy and Doctor of Philosophy from the University of Washington.

Selected Recent Publications

Elsisi, Z, Canestaro WJ, Steuten L, Hansen RN. Applying Early Health Technology Assessment (e-HTA) to Inform Investment in Novel Health Technologies in the US. International Journal of Technology Assessment in Health Care 2025. In Press.

Gold LS, Heagerty PJ, Hansen RN, Friedly JL, Johnston SK, Deyo RA, Curatolo M, Turner JA, Rundell SD, Wysham K, Jarvik JG, Suri P. Adverse respiratory events during treatment with gabapentin and opioids among older adults with spine-related conditions: a propensity-matched cohort study in the US Medicare population. Spine 2025. In Press.

Hernandez I, Gabriel N, Pathak Y, Hansen RN, Sullivan SD, Fendrick AM. Projected Out of Pocket Savings of the Medicare Part D Two Dollar Drug List Model. JAMA 2025. In Press.

Hernandez I, Gabriel N, Pathak Y, Hansen RN, Sullivan SD. Overpayment for Generic Drugs under Medicare Part D: Consequences on Patient Out-of-Pocket Costs. JAMA Health Forum 2025;6(2):e250012.

Gold LS, Heagerty PJ, Hansen RN, Friedly JL, Johnston SK, Deyo RA, Curatolo M, Turner JA, Rundell SD, Wysham K, Jarvik JG, Suri P. Mortality after concurrent treatment with gabapentin and opioids in older adults with spine diagnoses. PAIN 2024. In Press.

Cousin EM, Sullivan SD, Hansen RN, Gabriel N, Kirihennedige AS, Hernandez I. Drugs Anticipated to Be Selected for Medicare Price Negotiation in 2025 for Implementation in 2027. Journal of Managed Care & Specialty Pharmacy 2024;30(11): 1203-1210.

Tran J, Mishra A, Zimmerman M, Hansen RN. Bridging PrEP Access Gaps: Mapping Geospatial Accessibility Across the US and Leveraging Community Pharmacies for Expansion. Journal of the American Pharmacists Association 2024. In Press.

Hernandez I, Sullivan SD, Hansen RN, Fendrick AM. Cheaper Isn’t Always Better: Drug Shortages in the U.S. and A Value-Based Solution to Alleviate Them. Journal of Managed Care & Specialty Pharmacy 2024;30(7):719-26.

Tsui JI, Gojic AJ, Pierce KA, Tung EL, Connolly NC, Radick AC, Hunt RR, Sandvold R, Taber K, Kubiniec RH, Scott JD, Hansen RN, Stekler JD, Austin EJ, Williams EC, Glick SN. Pilot study of a community pharmacist led program to treat hepatitis C virus among people who inject drugs. Drug and Alcohol Dependence Reports 2024. In Press.

Green TC, Silcox J, Bolivar D, Gray M, Floyd AS, Irwin AN, Hansen RN, Hartung D, Bratberg J. Pharmacy staff-reported adaptations to naloxone provision and over the counter (OTC) syringe sales during the COVID-19 pandemic: experiences across multiple states and two pharmacy chains. Journal of the American Pharmacists Association 2024;64(1):71-78.

Hernandez I, Gabriel N, Kaltenboeck A, Boccuti C, Hansen RN, Sullivan SD. Reimbursement to Pharmacies for Generic Drugs by Medicare Part D Sponsors. JAMA 2023;330(24):2390-92.

Tabah A, Gold LS, Marcum ZA, Hansen RN. Antidepressants and the Risk of Fall-related Injury in Older Adults with Incident Depression in the United States: A Comparative Safety Analysis. Pharmacoepidemiology 2023. In Press.

Bacci, JL, Marcum ZA, Rodriguez P, Hansen RN, Bansal A, Pfund T, Kim JJ, Odegard P. Community pharmacist intervention to optimize statin adherence in diabetes care: The GuIDE-S study. Journal of the American Pharmacists Association 2023;63(3):946-51.

Jiao B, Fredricks DN, Srinivasan S, Hansen RN. Economic Evaluation of a Point-of-Care Test for Bacterial Vaginosis among Women with Vaginal Symptoms. Sexually Transmitted Diseases 2023;50(5):310-6.

Jiang S, Seslar SP, Sloan LA, Hansen RN. Healthcare Resource Utilization and Costs Associated with Atrial Fibrillation and Rural-urban Disparities. Journal of Managed Care and Specialty Pharmacy 2022;28(11):1321-30.

Nitkin D, Lin GA, Campbell JC, Hansen RN, Brouwer E, Chen Y, Herron-Smith S, Agboola F, Pearson SD. The Effectiveness and Value of Tirzepatide for Type 2 Diabetes Mellitus. Journal of Managed Care and Specialty Pharmacy 2022;28(6):680-4.

Ko GC, Hansen RN, Carlson JJ. Comparing Costs and Healthcare Resource Utilization Between nmHSPC and mHSPC Patients: A Retrospective Claims Analysis. Journal of Managed Care and Specialty Pharmacy 2022;28(3):287-95.

Agboola F, Atlas SJ, Brouwer E, Carlson JJ, Hansen RN, Herron-Smith S, Nhan E, Rind DM, Pearson SD. JAK Inhibitors and Monoclonal Antibodies for the Treatment of Atopic Dermatitis: Effectiveness and Value. Journal of Managed Care and Specialty Pharmacy 2022;28(1):108-14.

Bratburg J, Irwin A, Hartung D, Floyd A, Bogis J, Hansen RN, Green T. Study Protocol for the Respond to Prevent Study: A multi-state randomized controlled trial to improve provision of naloxone, buprenorphine and nonprescription syringes in community pharmacies. Substance Abuse 2022;41(3):901-5.

Hansen RN, Saour B, Serafini B, Hannaford B, Kim L, Kohno T, James R, Monsky W, Seslar S. Opportunities and Barriers to Rural Telerobotic Surgical Healthcare in 2021: Report and Research Agenda from a Stakeholder Workshop. Telemedicine and e-Health 2022;28(7):1050-7.

Tsui JI, Barry MP, Austin EJ, Sweek EW, Tung E, Hansen RN, Ninburg M, Scott JD, Glick SN, Williams EC. ‘Treat my whole person, not just my condition’: Qualitative explorations of Hepatitis C care delivery preferences among people who inject drugs. Addiction Science and Clinical Practice 2021;16 (1):52.

Pocobelli G, Akosile MA, Hansen RN, Eavey J, Wellman RD, Johnson RL, Carls G, Bron M, Dublin S. Obstructive Sleep Apnea and Risk of Motor Vehicle Accident. Sleep Medicine 2021;85:196-203.

Banta-Green CJ, Hansen RN, Ossiander EM, Wasserman CR, Merrill JO. Buprenorphine utilization among all Washington State residents based upon prescription monitoring program data- Characteristics associated with two measures of retention and patterns of care over time. Journal of Substance Abuse Treatment 2021;127:108446 epub.

Brouwer E, Yeung K, Barthold D, Hansen RN. Characterizing patient assistance program use and patient responsiveness to specialty drug price for multiple sclerosis in one mid-size integrated health system. Journal of Managed Care and Specialty Pharmacy 2021;27(6):732-42.

Guzauskas GF, Rind DM, Fazioli K, Chapman RH, Pearson SD, Hansen RN. Cost-Effectiveness of Oral Semaglutide Added to Current Antihyperglycemic Treatment for Type 2 Diabetes. Journal of Managed Care and Specialty Pharmacy 2021;27(4):455-68.

Landaas EJ, Baird GS, Hansen RN, Flum DR, Sullivan SD. Integrating Formal Technology Assessment into an Integrated Healthcare Delivery System: Smart Innovation. International Journal of Health Technology Assessment in Health Care 2020;36(1):58-63.

Tice JA, Guzauskas GF, Hansen RN, Herron-Smith S, Segel C, Walsh JME, Pearson SD. The Effectiveness and Value of Oral Immunotherapy and Viaskin Peanut for Peanut Allergy. Journal of Managed Care and Specialty Pharmacy 2020;26(5):620-3.

Gold LS, Nazareth TA, Yu T, Fry KR, Mahler N, Rava A, Waltrip RW, Hansen RN. Medication Utilization Patterns 90 Days Before Initiation of Treatment with Repository Corticotropin Injection in Patients with Infantile Spasms. Pediatric Health, Medicine and Therapeutics 2019;10:195-207.

Gold LS, Patrick DL, Hansen RN, Goss CH, Kessler L. Correspondence between Lung Function and Symptom Measures from the Cystic Fibrosis Respiratory Symptom Diary-Chronic Respiratory Infection Symptom Score (CFRSD-CRISS). Journal of Cystic Fibrosis 2019;18(6):886-93.

Bacci JL, Hansen RN, Ree C, Reynolds MJ, Stergachis A, Odegard PS. The effects of vaccination forecasts and value-based payment on adult immunizations by community pharmacists. Vaccine 2019;37(1):152-9.