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  • Title: Prognostic Role of Preoperative Duke Pancreatic Monoclonal Antigen Type 2 Levels in Patients with Pancreatic Cancer.
    Author: Shimizu Y, Sugiura T, Ashida R, Ohgi K, Yamada M, Otsuka S, Uesaka K.
    Journal: Ann Surg Oncol; 2023 Sep; 30(9):5792-5800. PubMed ID: 37248377.
    Abstract:
    BACKGROUND: This study aimed to evaluate the clinical implication of Duke pancreatic monoclonal antigen type 2 (DUPAN-2) for patients with pancreatic cancer (PC), especially those with normal carbohydrate antigen (CA) 19-9 levels. METHODS: The study reviewed 224 patients who underwent surgery for PC from January 2003 through December 2019 at the Shizuoka Cancer Center. The patients were divided into three groups according to the following CA19-9 and DUPAN-2 levels: normal CA19-9/normal DUPAN-2, normal CA19-9/high DUPAN-2, and high CA19-9. The prognostic utility of the DUPAN-2 levels in the normal CA19-9 patients was investigated. RESULTS: Elevated serum levels of DUPAN-2 were observed in 29 (25.2%) of the normal CA19-9 patients. The cutoff value for serum DUPAN-2 level was set at 250 U/ml. Both disease-free survival and disease-specific survival (DSS) in the normal CA19-9/high DUPAN-2 group were significantly shorter than in the normal CA19-9/normal DUPAN-2 group and comparable with those in the high CA19-9 group. In the normal CA19-9 group, DUPAN-2 was identified as an independent prognostic factor for DSS. The patients with normal CA19-9/high DUPAN-2 had higher pathologic malignancy than the patients with normal CA19-9/normal DUPAN-2, which was comparable with that in the patients with high CA19-9. CONCLUSION: In PC, DUPAN-2 may be useful as a biomarker complementary with CA19-9. The combination of these two markers may aid in the preoperative prediction of prognosis for patients with PC.
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