Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/91148
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Type: Journal article
Title: Final results from a randomized phase 3 study of FOLFIRI ± panitumumab for second-line treatment of metastatic colorectal cancer
Other Titles: Final results from a randomized phase 3 study of FOLFIRI +/- panitumumab for second-line treatment of metastatic colorectal cancer
Author: Peeters, M.
Price, T.
Cervantes, A.
Sobrero, A.
Ducreux, M.
Hotko, Y.
Andre, T.
Chan, E.
Lordick, F.
Punt, C.
Strickland, A.
Wilson, G.
Ciuleanu, T.
Roman, L.
Van Cutsem, E.
Tian, Y.
Sidhu, R.
Citation: Annals of Oncology, 2014; 25(1):107-116
Publisher: Oxford University Press (OUP)
Issue Date: 2014
ISSN: 1569-8041
1569-8041
Statement of
Responsibility: 
M. Peeters, T. J. Price, A. Cervantes, A. F. Sobrero, M. Ducreux, Y. Hotko, T. André, E. Chan, F. Lordick, C. J. A. Punt, A. H. Strickland, G. Wilson, T. E. Ciuleanu, L. Roman, E. Van Cutsem, Y. Tian and R. Sidhu
Abstract: Background: The study 20050181 demonstrated significant improvements in progression-free survival (PFS), objective response, and a nonsignificant trend toward increased overall survival (OS) with panitumumab–FOLFIRI versus FOLFIRI alone for second-line wild-type (WT) KRAS metastatic colorectal cancer (mCRC). Updated long-term data from a prespecified descriptive analysis are reported. Patients and methods: Patients receiving one prior mCRC treatment were randomly assigned (1:1) to panitumumab (6.0 mg/kg)–FOLFIRI versus FOLFIRI every 2 weeks. Co-primary end points (PFS and OS) were prospectively analyzed by tumor KRAS status. Results: One thousand one hundred and eighty-six patients were randomly assigned. In patients with WT KRAS tumors, panitumumab–FOLFIRI significantly improved PFS versus FOLFIRI [median 6.7 versus 4.9 months; hazard ratio (HR) 0.82 [95% confidence interval (CI) 0.69, 0.97]; P = 0.023]. A trend toward longer OS was observed (median 14.5 versus 12.5 months; HR 0.92 [95% CI 0.78, 1.10]; P = 0.37). Response rates improved from 10% to 36% (P < 0.0001). From post hoc analyses in patients receiving prior oxaliplatin–bevacizumab, panitumumab–FOLFIRI improved PFS (median 6.4 versus 3.7 months; HR 0.58 [95% CI 0.37, 0.90]; P = 0.014). PFS and OS appeared longer for worst-grade skin toxicity of 2–4, versus 0–1 or FOLFIRI. Safety results were as previously reported and consistent with the known toxicities with anti-epidermal growth factor receptor therapy. Conclusions: These data confirm the primary efficacy and safety findings of this trial and support panitumumab–FOLFIRI as a second-line treatment of WT KRAS mCRC.
Keywords: antibody; chemotherapy; FOLFIRI; metastatic colorectal cancer; panitumumab
Rights: © The Author 2013. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved. For permissions, please email: journals.permissions@oup.com
RMID: 0020136425
DOI: 10.1093/annonc/mdt523
Appears in Collections:Medicine publications

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