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Lewis Antigen Phenotype and Survival of Patients With Pancreatic Cancer

 Sohee Kwon  ;  Sungsoo Kim  ;  Edward L Giovannucci  ;  Manuel Hidalgo  ;  Mia K Markey  ;  Alan C Bovik  ;  Man Jae Kwon  ;  Kwang Joon Kim  ;  Hyungsoon Im  ;  Jeong Youp Park  ;  Seungmin Bang  ;  Seung Woo Park  ;  Si Young Song  ;  Moon Jae Chung 
 PANCREAS, Vol.49(10) : 1348-1354, 2020-11 
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Objectives: The association of Lewis antigen phenotype with survival of patients with pancreatic ductal adenocarcinoma was investigated. Methods: A total of 1187 patients diagnosed with pancreatic ductal adenocarcinoma were evaluated in a prospective cohort. Patients were classified into 3 different groups according to Lewis antigen phenotype: Lewis antigen (1) A positive [Le(a+b-)], (2) B positive [Le(a-b+)], and (3) negative [Le(a-b-)]. Risk of mortality was analyzed with Cox regression after adjusting for other predictors. Results: The risk of mortality increased in the order of Le(a+b-), Le(a-b+), and Le(a-b-) [reference; hazard ratio (HR), 1.27; 95% confidence interval (CI)], 1.03-1.57; P = 0.02; and HR, 1.65; 95% CI, 1.31-2.09; P < 0.001] after adjusting for other predictors. Among patients with serum carbohydrate antigen (CA) 19-9 lower than 37 U/mL, the association seemed more apparent (reference; HR, 1.50; 95% CI, 0.77-2.29; P = 0.22; and HR, 2.10; 95% CI, 1.10-4.02; P < 0.02). Conclusions: The risk of mortality increased in the order of Le(a+b-), Le(a-b+), and Le(a-b-). The difference in prognosis according to the Lewis antigen phenotype was more pronounced in the low CA 19-9 group, which suggests that the Lewis antigen phenotype works as a biomarker predicting the prognosis of patients with pancreatic cancer with undetectable CA 19-9 level.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kwang Joon(김광준) ORCID logo https://orcid.org/0000-0002-5554-8255
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
Chung, Moon Jae(정문재) ORCID logo https://orcid.org/0000-0002-5920-8549
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