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Clin Colorectal Cancer. 2010 Apr;9(2):102-7. doi: 10.3816/CCC.2010.n.014.

A phase II trial of FOLFOX6 and cetuximab in the first-line treatment of patients with metastatic colorectal cancer.

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  • 1Center for Cancer and Blood Disorders, Bethesda, MD 20817, USA. rboccia@ccbdmd.com

Abstract

INTRODUCTION:

This phase II trial evaluated the efficacy and safety of cetuximab combined with FOLFOX6 (leucovorin [LV] 5-fluorouracil [5-FU]/oxaliplatin) in the first-line treatment of patients with advanced or metastatic colorectal cancer.

PATIENTS AND METHODS:

Patients with locally advanced or metastatic CRC who had received no previous therapy for advanced disease were treated with cetuximab at a loading dose of 400 mg/m2 followed by 250 mg/m2 weekly and a FOLFOX6 regimen every 2 weeks consisting of oxaliplatin 85 mg/m2, LV 400 mg/m2, and 5-FU bolus 400 mg/m2 followed by 5-FU continuous infusion 2400 mg/m2 over 46 hours.

RESULTS:

A total of 82 eligible patients were enrolled; epidermal growth factor receptor expression was positive in 67 patients. The overall response rate was 44.8%. In addition, 30 patients (44.8%) in the evaluable population experienced stable disease. Median time to progression or death was 9.3 months (95% CI, 7.0-11.3 months), and median survival was 21.7 months (95% CI, 17.5-27.8 months). Patients who experienced skin toxicity had a statistically significant and longer median survival time than those patients with no skin toxicity (P = .0001). The most commonly observed toxicities were neutropenia (65%), fatigue (56.3%), diarrhea (53.8%), nausea (50%), acneiform rash (41.3%), and stomatitis (35%).

CONCLUSION:

Our results demonstrate that cetuximab can be safely combined with FOLFOX6 for the first-line treatment of patients with metastatic CRC (mCRC). The efficacy parameters are similar to other first-line regimens in mCRC. Because of the emergence of KRAS as a predictive marker, this regimen has promise in KRAS wild-type mCRC.

PMID:
20378504
[PubMed - indexed for MEDLINE]

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