BACKGROUND: Pancreatic ductal adenocarcinoma (PDA) has a very poor prognosis. Treatment with FOLFIRINOX has been shown to improve outcomes, but can be associated with significant toxicity. MATERIALS AND METHODS: A retrospective review was performed of all patients with locally advanced or metastatic PDA treated with FOLFIRINOX at the Royal Marsden between November 2010 and November 2013. Efficacy, tolerability, and potential prognostic factors were evaluated. RESULTS: Twenty-seven patients with metastatic PDA and 22 patients with locally advanced PDA were treated with FOLFIRINOX. Patients received a median of 9 cycles (range, 1-26) of FOLFIRINOX. The overall response rate was 41% (20 patients), and a further 17 patients (35%) had stable disease. Thirty-five patients (71%) received FOLFIRINOX in the first-line setting, with a median progression-free survival and overall survival, respectively, of 12.9 months and 18.4 months for patients with locally advanced disease; and 8.4 months and 12.2 months for patients with metastatic disease. The most frequently occurring Grade 3/4 toxicities were neutropenia (29%), fatigue (18%), febrile neutropenia (14%), thromboembolism (12%), and thrombocytopenia (10%). In a univariate analysis, reduction in CA 19-9 of >50% (P < .001), normalization of CA19-9 (P < .001), surgery after FOLFIRINOX (P = .004), and use of prophylactic pegfilgrastim (P = .005) were prognostic for overall survival. CONCLUSION: The efficacy and tolerability of FOLFIRINOX for PDA at our institution is similar to that reported in clinical trials. Careful selection of patients and monitoring of response (according to CA19-9) and toxicities can help maximize advantage in this patient population.
BACKGROUND:Pancreatic ductal adenocarcinoma (PDA) has a very poor prognosis. Treatment with FOLFIRINOX has been shown to improve outcomes, but can be associated with significant toxicity. MATERIALS AND METHODS: A retrospective review was performed of all patients with locally advanced or metastatic PDA treated with FOLFIRINOX at the Royal Marsden between November 2010 and November 2013. Efficacy, tolerability, and potential prognostic factors were evaluated. RESULTS: Twenty-seven patients with metastatic PDA and 22 patients with locally advanced PDA were treated with FOLFIRINOX. Patients received a median of 9 cycles (range, 1-26) of FOLFIRINOX. The overall response rate was 41% (20 patients), and a further 17 patients (35%) had stable disease. Thirty-five patients (71%) received FOLFIRINOX in the first-line setting, with a median progression-free survival and overall survival, respectively, of 12.9 months and 18.4 months for patients with locally advanced disease; and 8.4 months and 12.2 months for patients with metastatic disease. The most frequently occurring Grade 3/4 toxicities were neutropenia (29%), fatigue (18%), febrile neutropenia (14%), thromboembolism (12%), and thrombocytopenia (10%). In a univariate analysis, reduction in CA 19-9 of >50% (P < .001), normalization of CA19-9 (P < .001), surgery after FOLFIRINOX (P = .004), and use of prophylactic pegfilgrastim (P = .005) were prognostic for overall survival. CONCLUSION: The efficacy and tolerability of FOLFIRINOX for PDA at our institution is similar to that reported in clinical trials. Careful selection of patients and monitoring of response (according to CA19-9) and toxicities can help maximize advantage in this patient population.
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