Adjuvant radiotherapy following pancreaticoduodenectomy for ampullary adenocarcinoma improves survival in node-positive patients: a propensity score analysis

Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
Sivesh K Kamarajah

Abstract

This study aimed to evaluate the impact of adjuvant radiotherapy in patients undergoing pancreaticoduodenectomy (PD) for ampullary adenocarcinoma. Using the Surveillance, Epidemiology, and End Results, patients with non-metastatic ampullary adenocarcinoma between 2004 and 2013 were identified. Cancer-specific survival and overall survival were estimated using Kaplan-Meier and Cox regression to obtain adjusted hazard ratio of survival. In this study, 1106 patients with ampullary adenocarcinoma were identified, of which 27% received adjuvant radiotherapy and the remaining 73% (803/1106) patients did not receive any adjuvant radiotherapy. In the matched cohort, there were still no significant difference in CSS (median 41 vs 35, p = 0.28) and OS (median 32 vs 30, p = 0.26) between patients receiving adjuvant radiotherapy and those under observation alone. However, in patients with N2 (Fig. 4) disease, both CSS (median 27 vs 19 months, p = 0.0044) and OS (median 23 vs 17 months, p = 0.0091) were significantly longer for patients receiving adjuvant radiotherapy. In summary, adjuvant radiotherapy following PD for ampullary adenocarcinoma significantly improves survival in patients with N2 disease. Future studies defining "high-risk" g...Continue Reading

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Citations

Jan 14, 2020·Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico·M BonetM Mira
Jan 25, 2020·Annals of Surgical Oncology·S K KamarajahA W Phillips
Jun 13, 2019·Journal of Oncology·Mohammed Al-JumayliAnup Kasi
Jun 10, 2020·JGH Open : an Open Access Journal of Gastroenterology and Hepatology·Hui Lu GohMark Goldstein
Nov 5, 2019·HPB : the Official Journal of the International Hepato Pancreato Biliary Association·Sivesh K KamarajahSteven A White
Sep 30, 2021·Current Treatment Options in Oncology·Monica Patel, Nataliya V Uboha

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