Abstract

OBJECTIVES/GOALS: The goal of this study is to examine the incidence, etiology, and outcomes of hepatocellular carcinoma (HCC) in a 27-county region in SE Minnesota and W Wisconsin between 2010 and 2021. A comparison of the first to second half of the period will be made to look for possible trends. METHODS/STUDY POPULATION: The Rochester Epidemiology Project (REP) is a database of patient records across SE Minnesota and W Wisconsin. Starting in 2010, the REP opened to a 27-county catchment area, which includes over 1.3 million patients with a population coverage of approximately 64%. This study will use the expanded REP data to collect data on patients 20 years of age and older with a new diagnosis of HCC between Jan 1, 2010 and Dec 31, 2021—an estimated 1000 cases. Patients with a record of less than one year of residence in the catchment area will be excluded. Data on etiology, comorbidities, and outcomes of HCC will be extracted from medical records and analyzed for risk factors and changes over time. RESULTS/ANTICIPATED RESULTS: We anticipate that the overall incidence of HCC in the REP geographic area has increased over the period of 2010 to 2021. We anticipate that the prevalence of hepatitis C virus infection in patients with HCC has between 2010 and 2021, due to the widespread use and accessibility of hepatitis C-specific antiviral treatment over the past decade. We anticipate that the prevalence of NAFLD in patients with HCC has increased between 2010 and 2021. We do not anticipate significant changes in treatment modality or survival outcomes over this period. DISCUSSION/SIGNIFICANCE: This study will provide a comprehensive update on the state, etiology, and outcomes of HCC in the area surrounding Rochester, MN. We will be able to track changes in risk factors over time and work to enhance screening protocols to target the most vulnerable populations.

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