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  • Title: Comparison of the prognostic impact of pre- and post-operative CA19-9, SPan-1, and DUPAN-II levels in patients with pancreatic carcinoma.
    Author: Kondo N, Murakami Y, Uemura K, Nakagawa N, Takahashi S, Ohge H, Sueda T.
    Journal: Pancreatology; 2017; 17(1):95-102. PubMed ID: 27746094.
    Abstract:
    BACKGROUND: Although serum carbohydrate antigen 19-9 (CA19-9), s-pancreas antigen-1 (SPan-1), and duke pancreatic monoclonal antigen type 2 (DUPAN-II) are commonly utilized tumor markers in pancreatic ductal adenocarcinoma (PDAC), it is still unclear which is the most useful for predicting prognosis after surgical resection. Here, we aimed to compare the prognostic impact of pre- and post-operative serum CA19-9, SPan-1, and DUPAN-II levels in patients with resectable PDAC. METHODS: Pre-operative CA19-9, SPan-1, and DUPAN-II levels were analyzed to compare their prognostic values for resectable PDAC in 198 patients whose pre-operative tumor markers were available. The relationships of clinicopathological factors, including pre- and postoperative CA19-9, SPan-1, and DUPAN-II levels, with overall survival (OS) were analyzed using univariate and multivariate analyses in 149 patients for whom both pre- and postoperative tumor markers were available. RESULTS: Elevated pre-operative CA19-9 (≥37 U/mL), SPan-1 (≥30 U/mL), and DUPAN-II (≥150 U/mL) levels were found in 113 (60%), 96 (51%), and 82 (43%) patients, respectively. In multivariate analysis, absence of adjuvant chemotherapy (hazard ratio [HR], 4.17; p = 0.001), R1 resection (HR, 1.90; p = 0.03), higher histological grade (HR, 1.99; p = 0.02), advanced UICC T factor (HR, N/A; p = 0.04) and elevated postoperative CA19-9 (HR, 3.39; p = 0.009) were identified as independent predictors for worse OS. CONCLUSION: When the prognostic impacts of pre- and post-operative serum CA19-9, SPan-1, and DUPAN-II levels in patients with resectable PDAC were compared, elevated postoperative CA19-9 was the strongest predictive marker of poor survival in the pre- and post-operative period.
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