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Medline ® Abstract for Reference 128

of 'Fluoropyrimidine-associated cardiotoxicity: Incidence, clinical manifestations, mechanisms, and management'

128
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FOLFOX4 with cetuximab vs. UFOX with cetuximab as first-line therapy in metastatic colorectal cancer: The randomized phase II FUTURE study.
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Douillard JY, Zemelka T, Fountzilas G, Barone C, Schlichting M, Heighway J, Eggleton SP, Srimuninnimit V
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Clin Colorectal Cancer. 2014 Mar;13(1):14-26.e1. Epub 2013 Nov 16.
 
INTRODUCTION: The purpose of this study was to assess the efficacy and safety of FOLFOX4, comprising infusional 5-fluorouracil (5-FU)/leucovorin (LV) and oxaliplatin, with cetuximab compared with UFOX, comprising UFT, an oral prodrug of 5-FU, LV, and oxaliplatin, with cetuximab as first-line treatment for mCRC.
PATIENTS AND METHODS: Patients, unselected by tumor KRAS status, were randomized 1:1 to FOLFOX4 with cetuximab or UFOX with cetuximab. Treatment was continued until disease progression or unacceptable toxicity. The primary end point, assessed in the intention-to-treat population, was progression-free survival (PFS). Secondary end points included tumor response, overall survival, and safety. Outcome according to KRAS mutation status was investigated.
RESULTS: Recruitment was curtailed at 302 patients after reporting of the importance of tumor KRAS mutation status for cetuximab activity. Baseline characteristics were balanced between treatment groups. PFS was significantly longer in the FOLFOX4 with cetuximab group compared with UFOX with cetuximab group (median 8.2 vs. 6.6 months; hazard ratio, 0.68; 95% confidence interval [CI], 0.52-0.89; P = .0048). The response rate was also significantly greater in the FOLFOX4 with cetuximab group (51.3% vs. 37.5%, respectively; odds ratio, 1.76; 95% CI, 1.11-2.78; P = .0160), although overall survival was comparable. In the KRAS wild type subgroup, efficacy outcomes were similar to those in the intention-to-treat population. Side effect profiles were manageable and consistent with expectations.
CONCLUSION: In the first-line treatment of mCRC, UFOX with cetuximab had an acceptable safety profile but inferior activity compared with FOLFOX4 with cetuximab in relation to PFS and response. The regimens were comparable with regard to overall survival.
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Institut de Cancerologie de l'Ouest - Centre RenéGauducheau, Saint-Herblain, France. Electronic address: jean-yves.douillard@ico.unicancer.fr.
PMID