42. De Roock W, Claes B, Bernasconi D, et al. Effects of KRAS, BRAF, NRAS, and PIK3CA mutations on the efficacy of cetuximab plus chemotherapy in chemotherapy-refractory metastatic colorectal cancer: a retrospective consortium analysis. Lancet Oncol 2010;11:753–762.
43. Laurent-Puig P, Cayre A, Manceau G, et al. Analysis of PTEN, BRAF, and EGFR status in determining benefit from cetuximab therapy in wild-type KRAS metastatic colon cancer. J Clin Oncol 2009;27:5924–5930.
ABOUT THE AUTHORS
Affiliations: Drs. Nelson and Jasani are Assistant Professors, Department of General Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
Conflicts of interest: The authors have nothing to disclose.