On the basis of the results of KRAS analysis from the CO.17 randomized, controlled, phase III study by Karapetis et al., KRAS mutations have emerged as a valid predictive marker associated with resistance to cetuximab and lack of survival benefit from this anti-EGFR antibody in patients with chemoresistant colorectal cancer.
- Astrid Lièvre
- Pierre Laurent-Puig
