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Colon Cancer

Oncology Drug Development Update - EGFr-Targeted Drugs: Vectibix Setback, EGFr Testing

Published in Cancer Weekly, April 17th, 2007

Amgen's recent discontinuation of treatment with Vectibix (panitumumab), the first fully human IgG2 monoclonal antibody (MAb) targeting the epidermal growth factor receptor (EGFr), in the phase IIIb Panitumumab Advanced Colorectal Cancer Evaluation (PACCE) trial is a disappointing setback. PACCE was evaluating the addition of Vectibix to a regimen of standard oxaliplatin- or irinotecan-based chemotherapy and bevacizumab (Avastin; Genentech), an antiangiogenic vascular endothelial growth factor (VEGF) inhibitor, for first line treatment of metastatic colorectal cancer (CRC). The trial was halted after preliminary review of data from a pre-planned interim efficacy analysis, scheduled after...

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