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In the present study, associations between pretreatment interleukin 6 (IL-6), interleukin 8 (IL-8) and C-reactive protein (CRP) serum levels and epithelial ovarian cancer (EOC) were analyzed using commercially available, enzyme-linked immunosorbent assay (ELISA) in 118 patients and 64 control subjects. Values were correlated with clinicopathological characteristics and outcomes. Control variables included age, stage, grade, histological type and residual tumor size. Kaplan-Meier plots and univariate and multivariate Cox proportional hazards models were used to study the associations between IL-6, IL-8 and CRP levels, control variables, overall survival and disease-free survival.The median IL-6, IL-8 and CRP serum levels in EOC were significantly higher than in the normal control group; 11.5 pg/ mL (range, 3.4-62.6) versus 2.9 (1.1-12.3) pg/mL (p<0.001) and 21.8 pg/mL (range, 16.4-105.3) versus 9.3 (4.3-32.4) pg/mL (p<0.001) and 9.51 mg/L (range, 0.3-129.2) versus 1.2 (0.1-11.5) mg/L (p = 0.001), respectively. High levels of IL-6, IL-8 and CRP were associated with reduced overall survival (P = 0.003, P = 0.035, P = 0.046) and disease-free survival (P<0.001, P = 0.026, P = 0.043), respectively. Multivariate analyses showed that IL-6, IL-8 and CRP serum levels independently predicted disease-free survival (P = 0.011, P = 0.001 and P = 0.021), and overall survival (P = 0.004, P = 0.014 and P = 0.016), respectively.EOC is associated with extensive changes in the serum cytokine environment, highlighting the importance of further investigations of relative cytokine level changes. Preoperative serum IL-6, IL-8, and CRP levels seem promising for distinguishing EOC patients from healthy controls; however, their clinical value is still to be confirmed. High levels of IL-6, IL-8, and CRP in EOC patients have been suggested to be a poor prognostic factor for OS and DFS.

BackgroundThe aim of this study was to evaluate HE4, CA125 and ROMA in the preoperative differentiation benign ovarian diseases from epithelial ovarian cancer depending on the menopausal status.MethodsIn order to estimate markers’ concentrations in the serum of women with benign ovarian disease (n = 128) and with epithelial ovarian carcinoma (n = 96) the electrochemiluminescence (ECLIA) technique has been applied.ResultsUsing the ROC analysis, although no statistical differences were found among their AUCs, the ROMA algorithm seems to be effective in gathering the diverse performance of HE4 and CA125. The AUC for HE4, CA125 and ROMA for all patients were: 0.895; 0.879 and 0.918, respectively. At established new optimal cutoff values for HE4, CA125 and ROMA we found higher specificity in postmenopausal compared to premenopausal women (96.9 vs 89.8 % and 97.7 vs 84.1 % and 95.9 vs 89.1 %, respectively). The sensitivity of HE4 in pre- and postmenopausal women was similar (83.5 vs 83.8 %), while for CA125 was the highest in premenopausal women (87.0 vs 84.1 %). For HE4, CA125 and ROMA the negative predictive value was high (97.6, 93.9 and 94.4 %, respectively).ConclusionsThe ROMA algorithm shows the best diagnostic performance to distinguish epithelial ovarian cancer from benign ovarian disease. We found the high specificity of HE4 and CA125 while differentiating ovarian benign diseases from epithelial ovarian cancer in postmenopausal women and the high sensitivity of CA125 in detecting epithelial ovarian cancer in premenopausal patients.