• Kathleen K Christians, Susan Tsai, Anna Mahmoud, Paul Ritch, James P Thomas, Lauren Wiebe, Tracy Kelly, Beth Erickson, Huamin Wang, Douglas B Evans, and Ben George.
• Department of Surgery, Division of Surgical Oncology, Department of Medicine, Division of Medical Oncology, and Department of Radiation Oncology, Pancreatic Cancer Program, Medical College of Wisconsin, Milwaukee, Wisconsin, USA; Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
• Oncologist. 2014 Mar 1;19(3):266-74.

BackgroundBorderline resectable pancreatic cancer is best treated by multimodality therapy. FOLFIRINOX (5-fluorouracil, oxaliplatin, irinotecan, and leucovorin) tripled the response rate and significantly increased median survival for patients with advanced pancreatic cancer and shows promise for neoadjuvant use. Toxicity concerns prompted a careful analysis of our initial FOLFIRINOX experience.MethodsAll patients diagnosed with borderline resectable, biopsy-proven pancreatic adenocarcinoma treated with neoadjuvant FOLFIRINOX between July 2010 and December 2012 were reviewed. Primary outcome was surgical resectability. Secondary outcomes were treatment-related toxicities and survival.ResultsFOLFIRINOX followed by gemcitabine- or capecitabine-based chemoradiation was initiated in 18 patients. The most common grade 3 or 4 toxicities during chemotherapy were gastrointestinal, including nausea/emesis (n = 5), weight loss (n = 3) and diarrhea (n = 2), and hematologic (n = 2; neutropenia); five patients (36%) required a total of six admissions. Neoadjuvant therapy was completed in 15 of 18 patients (83%), and 12 (67%) underwent pancreatectomy (10 Whipple, 2 total pancreatectomy) including portal vein resection/reconstruction in 10 (83%). Disease progression precluded surgery in 6 of the 18 patients (33%). All 12 resected patients had negative (R0) margins. Only 2 of 12 (17%) were node positive (median node count: 26.5 [range: 15-39]). There were no in-hospital or 30-day mortalities and no clinical pancreatic leaks or reoperations. Of the 12 patients who completed all intended therapy, 7 (58.3%) are alive, including 5 who have no evidence of disease (median months from diagnosis: 22 months [range: 18-35 months). The six patients who did not complete all planned therapy are deceased (months from diagnosis: 6.9-17.5 months).ConclusionFOLFIRINOX followed by chemoradiation as neoadjuvant therapy for borderline resectable pancreatic adenocarcinoma is safe, and our initial experience suggests favorable resection rates compared with previous reports in this high-risk patient population.

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