Article Abstract

Comparison of efficacy and toxicity of FOLFIRINOX and gemcitabine with nab-paclitaxel in unresectable pancreatic cancer

Authors: Tetsuhito Muranaka, Masaki Kuwatani, Yoshito Komatsu, Kentaro Sawada, Hiroshi Nakatsumi, Yasuyuki Kawamoto, Satoshi Yuki, Yoshimasa Kubota, Kimitoshi Kubo, Shuhei Kawahata, Kazumichi Kawakubo, Hiroshi Kawakami, Naoya Sakamoto

Abstract

Background: Irinotecan, oxaliplatin and leucovorin-modulated fluorouracil (FOLFIRINOX) and the combination regimen of gemcitabine and nanoparticle albumin-bound paclitaxel (GnP) (nab-PTX) improve the prognosis of patients with metastatic pancreatic cancer. However, no study has compared the efficacy of the two regimens. We compared retrospectively the efficacy and safety of the two regimens in patients with unresectable pancreatic cancer.
Methods: Thirty-eight patients with unresectable locally advanced or metastatic pancreatic cancer received FOLFIRINOX or GnP as first-line chemotherapy between December 2013 and September 2015. In the FOLFIRINOX group, patients received 85 mg/m2 oxaliplatin followed by 180 mg/m2 irinotecan and 200 mg/m2 L-leucovorin, and by 400 mg/m2 fluorouracil as a bolus and 2,400 mg/m2 fluorouracil as a 46-h continuous infusion every 14 days. In the GnP group, patients received 125 mg/m2 nab-PTX followed by 1 g/m2, and gemcitabine on days 1, 8 and 15, repeated every 28 days.
Results: Response rate was 6.3% in the FOLFIRINOX group and 40.9% in the GnP group (P=0.025). Median progression-free survival (PFS) was 3.7 months [95% confidence interval (CI), 3.0–4.5] in the FOLFIRINOX group and 6.5 months (95% CI, 6.2–6.9 months) in the GnP group (P=0.031). Drug toxicity in the GnP group was less than in the FOLFIRINOX group.
Conclusions: Efficacy and safety of GnP compare favorably to those of FOLFIRINOX in patients with pancreatic cancer. Additional prospective trials are warranted.

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