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Plasma Chromogranin A as a Prognostic Marker in Pancreatic Ductal Adenocarcinoma

 Sang Hoon Lee  ;  Jung Hyun Jo  ;  Yeong Jin Kim  ;  Hee Seung Lee  ;  Moon Jae Chung  ;  Jeong Youp Park  ;  Seungmin Bang  ;  Seung Woo Park  ;  Si Young Song 
 PANCREAS, Vol.48(5) : 662-669, 2019-05 
Journal Title
Issue Date
Aged ; Biomarkers, Tumor / blood* ; Carcinoma, Pancreatic Ductal / blood* ; Carcinoma, Pancreatic Ductal / diagnosis ; Chromogranin A / blood* ; Female ; Humans ; Kaplan-Meier Estimate ; Male ; Middle Aged ; Neoplasm Metastasis ; Neuroendocrine Tumors / blood* ; Neuroendocrine Tumors / diagnosis ; Pancreatic Neoplasms / blood* ; Pancreatic Neoplasms / diagnosis ; Prognosis ; Retrospective Studies ; Sensitivity and Specificity
Objectives: Neuroendocrine differentiation in pancreatic ductal adenocarcinoma (PDAC) is known, but its clinical significance still remains uncertain. The clinical role of chromogranin A (CgA), a marker of neuroendocrine tumor, was evaluated in patients with PDAC.

Methods: We retrospectively analyzed 350 patients with PDAC. All patients had plasma CgA levels at diagnosis. Patients were classified as normal and high CgA groups according to the upper limit of plasma CgA.

Results: There were 202 patients (57.7%) in the normal CgA group and 148 patients (42.3%) in the high CgA group. High CgA group presented higher rate of metastatic disease (61.5% vs 45.0%; P = 0.002) and shorter median overall survival (OS) (8.2 vs 11.6 months; P = 0.015). Upon grouping patients based on clinical stages, OS was significantly different between the CgA groups only in metastatic disease (6.6 vs 7.2 months; P = 0.022). Multivariate analysis showed no association between high CgA and OS (hazard ratio, 1.22; 95% confidence interval, 0.97-1.54; P = 0.090). However, high CgA was associated with poor OS in patients with metastatic disease (hazard ratio, 1.37; 95% confidence interval, 1.01-1.87; P = 0.047).

Conclusions: High CgA levels may predict poor prognosis in patients with pancreatic cancer, especially during metastatic stages.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Seung Woo(박승우) ORCID logo https://orcid.org/0000-0001-8230-964X
Park, Jeong Youp(박정엽) ORCID logo https://orcid.org/0000-0003-0110-8606
Bang, Seungmin(방승민) ORCID logo https://orcid.org/0000-0001-5209-8351
Song, Si Young(송시영) ORCID logo https://orcid.org/0000-0002-1417-4314
Lee, Hee Seung(이희승) ORCID logo https://orcid.org/0000-0002-2825-3160
Chung, Moon Jae(정문재) ORCID logo https://orcid.org/0000-0002-5920-8549
Jo, Jung Hyun(조중현) ORCID logo https://orcid.org/0000-0002-2641-8873
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