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Title: FOLFIRI followed by FOLFOX6 or the reverse sequence in advanced colorectal cancer: a randomized GERCOR study
Authors: Tournigand, Christophe
André, Thierry
Achille, Emmanuel
Lledo, Gérard
Flesh, Michel
Mery-Mignard, Dominique
Quinaux, Emmanuel
Couteau, Corinne
BUYSE, Marc 
Ganem, Gérard
Landi, Bruno
Colin, Philippe
Louvet, Christophe
de Gramont, Aimery
Issue Date: 2004
Source: Journal of clinical oncology, 22(2). p. 229-237
Abstract: Purpose In metastatic colorectal cancer, phase III studies have demonstrated the superiority of fluorouracil (FU) with leucovorin (LV) in combination with irinotecan or oxaliplatin over FU + LV alone. This phase III study investigated two sequences: folinic acid, FU, and irinotecan (FOLFIRI) followed by folinic acid, FU, and oxaliplatin (FOLFOX6; arm A), and FOLFOX6 followed by FOLFIRI (arm B). Patients and Methods Previously untreated patients with assessable disease were randomly assigned to receive a 2-hour infusion of I-LV 200 mg/m(2) or dl-LV 400 mg/m(2) followed by a FU bolus 400 mg/m(2) and 46-hour infusion 2,400 to 3,000 mg/m(2) every 46 hours every 2 weeks, either with irinotecan 180 mg/m(2) or with oxaliplatin 100 mg/m(2) as a 2-hour infusion on day 1. At progression, irinotecan was replaced by oxaliplatin (arm A), or oxaliplatin by irinotecan (arm B). Results Median survival was 21.5 months in 109 patients allocated to FOLFIRI then FOLFOX6 versus 20.6 months in 111 patients allocated to FOLFOX6 then FOLFIRI (P = .99). Median second progression-free survival (PFS) was 14.2 months in arm A versus 10.9 in arm B (P = .64). In first-line therapy, FOLFIRI achieved 56% response rate (RR) and 8.5 months median PFS, versus FOLFOX6 which achieved 54% RR and 8.0 months median PFS (P = .26). Second-line FOLFIRI achieved 4% RR and 2.5 months median PFS, versus FOLFOX6 which achieved 15% RR and 4.2 months PFS. In first-line therapy, National Cancer Institute Common Toxicity Criteria grade 3/4 mucositis, nausea/vomiting, and grade 2 alopecia were more frequent with FOLFIRI, and grade 3/4 neutropenia and neurosensory toxicity were more frequent with FOLFOX6. Conclusion Both sequences achieved a prolonged survival and similar efficacy. The toxicity profiles were different.
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ISSN: 0732-183X
e-ISSN: 1527-7755
DOI: 10.1200/JCO.2004.05.113
ISI #: 000188199700005
Category: A1
Type: Journal Contribution
Appears in Collections:Research publications

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