Cetuximab Shows Activity in Colorectal Cancer Patients With Tumors That Do Not Express the Epidermal Growth Factor Receptor by Immunohistochemistry

作者: Ki Young Chung , Jinru Shia , Nancy E. Kemeny , Manish Shah , Gary K. Schwartz

DOI: 10.1200/JCO.2005.08.037

关键词:

摘要: Purpose To establish evidence of activity, or lack thereof, cetuximab-based therapy in patients with refractory colorectal cancer tumors that do not demonstrate epidermal growth factor receptor (EGFR) expression by immunohistochemistry (IHC). Patients and Methods Pharmacy computer records were reviewed to identify all who received cetuximab at Memorial Sloan-Kettering Cancer Center a nonstudy setting during the first 3 months cetuximab's commercial availability. Medical these then had experienced failure prior irinotecan-based regimen pathology report indicating an EGFR-negative tumor IHC. Pathology slides from reference pathologist confirm EGFR negativity, computed tomography scans radiologist. Response rates reported using WHO criteria. Results Sixteen chemotherapy-refractory, ...

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