An assessment of the total cost of pancreatic cancer using real-world evidence.

773 Background: The aggregate health economic implications of pancreatic cancer are poorly understood, especially from the patient perspective. As a preliminary effort, we sought to better understand changes in type and quantity of medical expenditures over time, along with quality of life related costs, from this perspective. This preliminary research is part of a larger effort to understand how the introduction of new treatments affect both the outcome and costs of pancreatic cancer associated with care, patients, survivors, their families, and their communities. Methods: We analyzed patient-level data from the Medical Expenditure Panel Survey (MEPS, 1996- 2017). All analyses were performed using R version 3.6.1 on Ubuntu 19.04. Averages were computed for the total health care costs, including prescription drug costs. Average individual annual cost estimates for the second year excluded individuals that were identified as having died prior to the first round of data collection in the second year. The individual patient level ratios of prescription drug cost to other medical expenses was also computed. All expenditures are adjusted for inflation using 2017 US dollars. Included subjects, N= 80 had a diagnosis of pancreatic cancer and available prescription data. Individual age and employment status were accounted for as covariates. Results: Between 1997 and 2017 inflation adjusted first and second year non-medication spending on pancreatic cancer care averaged $66,999.96 and $105,308.60 respectively. However, inflation-adjusted first and second year charges for hospitalizations and emergency visits fell between 2007-2017. Prescription drug as a proportion of total spending prescription drugs increased during the same time period. Lost work/school days declined between 2007 and 2017. Conclusions: Total inflation adjusted pancreatic cancer care expenses declined over the past decade even as drug costs increased. Quality of life costs declined as well. Further analysis is needed to evaluate the relationship between drug spending, total cost of care and quality of life.