Circulating Cell-Free DNA in Pancreatic Head Adenocarcinoma Undergoing Pancreaticoduodenectomy

Shin E. Wang, Bor Uei Shyr, Bor Shiuan Shyr, Shih Chin Chen, Shih Ching Chang, Yi Ming Shyr

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

OBJECTIVE: Circulating cell-free DNA (cfDNA) analysis is recently reported as a promising prognostic biomarker in various types of cancer. This study aimed to evaluate the role of cfDNA in pancreatic head adenocarcinoma. METHODS: Data for pancreatic head adenocarcinoma undergoing pancreaticoduodenectomy were studied for cfDNA. Prognostic factors were determined, and their correlation with cfDNA level was evaluated. RESULTS: The median of cfDNA for 97 cases was 7724 copies/mL, with a mean of 10,467, and ranging from 1856 to 44,203. Cell-free DNA was significantly higher in positive lymph node involvement and advanced stage III. Poor prognostic factors included high cfDNA level (>7724 copies/mL), abnormal carbohydrate antigen 19-9, abnormal carcinoembryonic antigen, and advanced stage. The 1- and 5-year survivals for those with high cfDNA were poorer, 70.2% and 21.2%, respectively, as compared with 93.4% and 23.7% for those with low cfDNA level. Only cfDNA level and stage were independent prognostic factors after multivariate analysis. CONCLUSIONS: The level of cfDNA was correlated with tumor burden. Therefore, it could be an emerging survival predictor for resectable pancreatic head adenocarcinoma, and its detection might be a promising liquid biopsy to monitor both tumor progression and treatment response.

Original languageEnglish
Pages (from-to)214-218
Number of pages5
JournalPancreas
Volume50
Issue number2
DOIs
StatePublished - 1 Feb 2021

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