327 Background: The clinical benefit of neoadjuvant treatment in locally advanced pancreatic adenocarcinoma (borderline/unresectable) has not been well established. However, the challenge of managing locally advanced pancreatic adenocarcinoma has led to the incorporation of neoadjuvant treatment into clinical practice. FOLFIRINOX has been increasingly used as neoadjuvant chemotherapy, but may not be well tolerated especially in older patients due to adverse effect profile. In our institution, we have used FOLFOX as an alternative for older patients and patients with poor performance status based on our retrospective observation of FOLFOX in metastatic/advanced pancreatic adenocarcinoma. Methods: We conducted a retrospective analysis of locally advanced pancreatic cancer patients from January 1, 2011 to February 28, 2013 treated with neoadjuvant chemotherapy (FOLFOX/FOLFIRINOX) with the intention of future resection. In addition patients also received neoadjuvant chemo-radiotherapy. Imaging studies, operative notes and Pathology reports were reviewed. Results: 27 patients were analyzed, 10 received FOLFIRINOX and 17 received FOLFOX regimen. Mean age of patients were 57.28 ± 11.68 SD and 68.66± 11.21 SD in the two groups respectively. Patients received 4.2 ± 0.92 SD and 3.59 ±1.06 SD cycles of chemotherapy in FOLFIRINOX and FOLFOX groups respectively. Mean duration of follow up was similar in both groups. 5 patients on FOLFOX and 1 patient on FOLFIRINOX had disease progression thereby precluding surgery. The Rate of R0 resections was 64.7 % and 60% (P 0.27) in the two groups respectively. Overall survival was not statistically significant between the two groups. (Kaplan Meier survival graphs will accompany final presentation). Conclusions: In our study, FOLFIRINOX was administered in younger patients. However the R0 resection rates were similar in both the groups. FOLFOX may be acceptable neoadjuvant chemotherapy of choice in patients with borderline functional status. Randomized trials are needed to define this better.
303 Background: Pancreatic adenocarcinoma has historically been as a disease with a poor prognosis with a 5 year survival rate of about 6%. The recently published ACCORD 11 trial demonstrated an improved overall survival utilizing FOLFIRINOX versus gemcitabine which has been the standard of care. However, FOLFIRINOX was associated with a significantly higher incidence of both hematologic and nonhematologic toxicities at the expense of increased toxicity. At our institution, FOLFIRINOX has been found to have a very similar toxicity profile with a significant impact on quality of life. For that reason, many patients at our institution have been treated with mFOLFOX6 with better tolerability instead of FOLFIRINOX in the palliative setting. Methods: We performed a retrospective chart review to analyze overall survival in patients withof unresectable pancreatic cancer (locally advanced and metastatic). Institutional tumor registry database was used to identify patients with unresectable pancreatic adenocarcinoma from January 2009 to March 2012. Medical records were reviewed to identify patients who were treated with at least 1 cycle of modified FOLFOX-6 as a line of treatment during their disease course. Overall survival was calculated for this cohort of patients. Results: 26 patients (15 male, 11 female) with unresectable pancreatic adenocarcinoma were identified. Mean age was 65.3 years. 19 patients had metastatic disease whereas 7 patients had locally advanced disease at diagnoses. Modified FOLFOX6 as a 1st line, 2nd line and 3rd line therapy was given in 17, 6 and 3 patients respectively. The median overall survival was 9 month while the mean survival was 10.6 months. 7 patients were treated with FOLFIRI as 2nd or 3rd line treatment. Nine patients are still alive. Conclusions: Modified FOLFOX-6 is an acceptable treatment for metastatic and locally advanced pancreatic adenocarcinoma. Even though our sample size is small, overall survival is comparable to that of FOLFIRINOX. A multi-institutional, randomized trial evaluating sequencing of mFOLFOX6 and FOLFIRI and comparing it with FOLFIRINOX would be useful.
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