Objectives: The multidrug regimen with fluorouracil, leucovorin, irinotecan, and oxaliplatin (FOLFIRINOX) is widely used for recurrent pancreatic cancer after pancreatic resection. However, there are concerns about severe toxicities and poor tolerability of FOLFIRINOX in these patients because some suffer from surgery-associated malnutrition, weight loss, and diabetes mellitus. We evaluated the toxicity and tolerability of FOLFIRINOX in these patients.
Methods: This study was conducted as a secondary analysis of the Japan Adjuvant Study Group of Pancreatic Cancer 06 study, which was a multicenter observational study of FOLFIRINOX for pancreatic cancer in Japan. The toxicity and tolerability of FOLFIRINOX in recurrent disease correlated with those of both the locally advanced and the metastatic disease group.
Results: The major grades 3 and 4 toxicities observed in the recurrent and locally advanced or metastatic disease groups were neutropenia (68% vs 63%), febrile neutropenia (4% vs 15%, P = 0.007), thrombocytopenia (4% vs 3%), diarrhea (4% vs 8%), and sensory neuropathy (0% vs 2%). The dose modification and relative dose intensity did not differ markedly between the groups.
Conclusions: The toxicity and tolerability of FOLFIRINOX for recurrence after pancreatic resection were similar to those for locally advanced or metastatic disease with appropriate patient selection and dose modifications.
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