The Prognostic and Predictive Role of Epidermal Growth Factor Receptor in Surgical Resected Pancreatic Cancer
AbstractThe data regarding the prognostic significance of EGFR (epidermal growth factor receptor) expression and adjuvant therapy in patients with resected pancreatic cancer are insufficient. We retrospectively investigated EGFR status in 357 resected PDAC (pancreatic duct adenocarcinoma) patients using tissue immunohistochemistry and validated the possible role of EGFR expression in predicting prognosis. The analysis was based on excluding the multiple confounding parameters. A negative association was found between overall EGFR status and postoperative survival (p = 0.986). Remarkably, adjuvant chemotherapy and radiotherapy were significantly associated with favorable postoperative survival, which prolonged median overall survival (OS) for 5.8 and 10.2 months (p = 0.009 and p = 0.006, respectively). Kaplan–Meier analysis showed that adjuvant chemotherapy correlated with an obvious survival benefit in the EGFR-positive subgroup rather than in the EGFR-negative subgroup. In the subgroup analyses, chemotherapy was highly associated with increased postoperative survival in the EGFR-positive subgroup (p = 0.002), and radiotherapy had a significant survival benefit in the EGFR-negative subgroup (p = 0.029). This study demonstrated that EGFR expression is not correlated with outcome in resected pancreatic cancer patients. Adjuvant chemotherapy and radiotherapy were significantly associated with improved survival in contrary EGFR expressing subgroup. Further studies of EGFR as a potential target for pancreatic cancer treatment are warranted. View Full-Text
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Guo, M.; Luo, G.; Liu, C.; Cheng, H.; Lu, Y.; Jin, K.; Liu, Z.; Long, J.; Liu, L.; Xu, J.; Huang, D.; Ni, Q.; Yu, X. The Prognostic and Predictive Role of Epidermal Growth Factor Receptor in Surgical Resected Pancreatic Cancer. Int. J. Mol. Sci. 2016, 17, 1090.
Guo M, Luo G, Liu C, Cheng H, Lu Y, Jin K, Liu Z, Long J, Liu L, Xu J, Huang D, Ni Q, Yu X. The Prognostic and Predictive Role of Epidermal Growth Factor Receptor in Surgical Resected Pancreatic Cancer. International Journal of Molecular Sciences. 2016; 17(7):1090.Chicago/Turabian Style
Guo, Meng; Luo, Guopei; Liu, Chen; Cheng, He; Lu, Yu; Jin, Kaizhou; Liu, Zuqiang; Long, Jiang; Liu, Liang; Xu, Jin; Huang, Dan; Ni, Quanxing; Yu, Xianjun. 2016. "The Prognostic and Predictive Role of Epidermal Growth Factor Receptor in Surgical Resected Pancreatic Cancer." Int. J. Mol. Sci. 17, no. 7: 1090.
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