FOLFIRINOX versus gemcitabine-based therapy for pancreatic ductal adenocarcinoma: Lessons from patient-derived cell lines

Sebastian K.S. Begg, David J. Birnbaum, Jeffrey W. Clark, Mari Mino-Kenudson, Ulrich F. Wellner, Oliver Schilling, Keith D. Lillemoe, Andrew L. Warshaw, Carlos Fernández Del Castillo, Andrew S. Liss*

*Corresponding author for this work

Abstract

Background/Aim: FOLFIRINOX [fluorouracil (5- FU), irinotecan, oxaliplatin] and gemcitabine plus nabpaclitaxel are standard treatments for patients with pancreatic ductal adenocarcinoma (PDAC). Despite efficacy rates of less than 32%, evidence is lacking to guide the use of one drug over the other. Herein, we compared the sensitivity of patient-derived PDAC cell lines to each of these regimens. Materials and Methods: Changes in the growth of 19 low-passage patientderived PDAC cell lines were evaluated in response to treatment with FOLFIRINOX and gemcitabine plus paclitaxel (Gem-Pac). Results: Six cell lines exhibited optimal sensitivity (high EMaxand low GI50) to FOLFIRINOX and three cell lines exhibited optimal sensitivity to Gem-Pac. Several cell lines that were optimally sensitive to one drug regimen exhibited very poor response to the other. Conclusion: Further characterization of cancer cells exhibiting preferential sensitivity to each of these regimens may allow the identification of biomarkers to guide the selection of appropriate chemotherapy for a given patient.

Original languageEnglish
JournalAnticancer Research
Volume40
Issue number7
Pages (from-to)3659-3667
Number of pages9
ISSN0250-7005
DOIs
Publication statusPublished - 07.2020

Research Areas and Centers

  • Research Area: Luebeck Integrated Oncology Network (LION)

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