Prognostic Value of Circulating Lipoprotein in Patients with Locoregionally Advanced Nasopharyngeal Carcinoma

Cellular Physiology and Biochemistry : International Journal of Experimental Cellular Physiology, Biochemistry, and Pharmacology
Ji-Jin YaoYing Sun

Abstract

Lipoproteins have been reported to be associated with prognosis in various cancers; however, the prognostic value of lipoproteins in patients with nasopharyngeal carcinoma (NPC) remains largely unknown. We aim to asses the role of circulating lipoproteins in locoregionally advanced NPC patients. Between October 2009 and August 2012, a total of 1,081 patients with stage III-IVB NPC were included in the analysis. Circulating high-density lipoprotein (HDL) and low-density lipoprotein (LDL) are the two key lipoproteins, which were measured at baseline. Receiver operating characteristic (ROC) curve analysis was used to evaluate different cut-off points for lipoproteins. Actuarial rates were performed using Kaplan-Meier methods and the log-rank test. The cutoff points of HDL, LDL, and LDL/HDL ratio were 1.17 mmol/L, 3.75 mmol/L, and 2.73, respectively. At 5 years, high HDL (> 1.17 mmol/L) was significantly associated with better overall survival (OS, 86.6% vs. 78.9%; P=0.004), distant metastasis-free survival (DMFS, 86.9% vs. 80.8%; P=0.004), locoregional relapse-free survival (LRFS, 90.8% vs. 85.4%; P=0.010), and progression-free survival (PFS, 79.1% vs. 70.2%; P= 0.001) than low HDL (≤1.17 mmol/L). In contrast, high LDL (> 3.75 mmo...Continue Reading

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