The use of neoadjuvant systemic therapy in the treatment of pancreatic cancer has surpassed the traditional standard of upfront surgery followed by adjuvant therapy, indicating a national shift in clinical management of the disease.
Background: The historical standard of care in treating operable pancreatic cancer via upfront surgery has been challenged recently using a neoadjuvant approach. The aim of the study is to examine the national practice patterns in the management of pancreatic cancer with an emphasis on the trends of neoadjuvant systemic therapy use.Methods: This is a cross-sectional time-series study using the National Cancer Database from 2006 to 2019. Patients who underwent resection for stage I-II pancreatic adenocarcinoma were selected.Results: Overall, 25% of patients had neoadjuvant chemotherapy, 49% had surgery followed by adjuvant chemotherapy and 26% had surgery alone. The rate of neoadjuvant chemotherapy has increased from 11% in 2006 to 43% in 2019. There was a decrease in the rate of surgery followed by chemotherapy from 48% to 38%, and a decrease in the rate of surgery alone from 41% to 19%. The rate of radiation therapy use has decreased over time, as has the resection rate, while median overall survival has steadily improved over the years.Conclusions: In 2019, the rate of using neoadjuvant systemic therapy overtook the rate of surgery first followed by adjuvant systemic therapy, marking a pragmatic national shift in the clinical management of pancreatic cancer.
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