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Phase III Trial of Cetuximab With Continuous or Intermittent Fluorouracil, Leucovorin, and Oxaliplatin (Nordic FLOX) Versus FLOX Alone in First-Line Treatment of Metastatic Colorectal Cancer: The NORDIC-VII Study
Oslo University Hospital, Norway.
Uppsala Hospital, Sweden Karolinska Institute, Sweden .
Odense University Hospital, Denmark .
Haukeland Hospital, Norway University of Bergen, Norway .
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2012 (English)In: Journal of Clinical Oncology, ISSN 0732-183X, E-ISSN 1527-7755, Vol. 30, no 15, 1755-1762 p.Article in journal (Refereed) Published
Abstract [en]

Purpose less thanbrgreater than less thanbrgreater thanThe NORDIC-VII multicenter phase III trial investigated the efficacy of cetuximab when added to bolus fluorouracil/folinic acid and oxaliplatin (Nordic FLOX), administered continuously or intermittently, in previously untreated metastatic colorectal cancer (mCRC). The influence of KRAS mutation status on treatment outcome was also investigated. less thanbrgreater than less thanbrgreater thanPatients and Methods less thanbrgreater than less thanbrgreater thanPatients were randomly assigned to receive either standard Nordic FLOX (arm A), cetuximab and FLOX (arm B), or cetuximab combined with intermittent FLOX (arm C). Primary end point was progression-free survival (PFS). Overall survival (OS), response rate, R0 resection rate, and safety were secondary end points. less thanbrgreater than less thanbrgreater thanResults less thanbrgreater than less thanbrgreater thanOf the 571 patients randomly assigned, 566 were evaluable in intention-to-treat (ITT) analyses. KRAS and BRAF mutation analyses were obtained in 498 (88%) and 457 patients (81%), respectively. KRAS mutations were present in 39% of the tumors; 12% of tumors had BRAF mutations. The presence of BRAF mutations was a strong negative prognostic factor. In the ITT population, median PFS was 7.9, 8.3, and 7.3 months for the three arms, respectively (not significantly different). OS was almost identical for the three groups (20.4, 19.7, 20.3 months, respectively), and confirmed response rates were 41%, 49%, and 47%, respectively. In patients with KRAS wild-type tumors, cetuximab did not provide any additional benefit compared with FLOX alone. In patients with KRAS mutations, no significant difference was detected, although a trend toward improved PFS was observed in arm B. The regimens were well tolerated. less thanbrgreater than less thanbrgreater thanConclusion less thanbrgreater than less thanbrgreater thanCetuximab did not add significant benefit to the Nordic FLOX regimen in first-line treatment of mCRC.

Place, publisher, year, edition, pages
American Society of Clinical Oncology: JCO , 2012. Vol. 30, no 15, 1755-1762 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-78817DOI: 10.1200/JCO.2011.38.0915ISI: 000304427600008OAI: diva2:536035
Funding Agencies|Kjell Magne Tveit||Merck Serono||sanofi-aventis||Bengt Glimelius||Eli Lilly||Per Pfeiffer||Roche||Halfdan Sorbye||Seppo Pyrhonen||Anders Johnsson||Fridbjorn Sigurdsson||Merck Serono (Darmstadt, Germany)||sanofi-aventis (Oslo, Norway)||Norwegian Cancer Society||Swedish Cancer Society (Cancerfonden)||Available from: 2012-06-21 Created: 2012-06-21 Last updated: 2012-06-21

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Starkhammar, Hans
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OncologyFaculty of Health SciencesDepartment of Oncology UHL
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