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Updated: Jun 5, 2026

Development and Maintenance of a Preclinical Patient Derived Tumor Xenograft Model for the Investigation of Novel Anti-Cancer Therapies
Published on: September 30, 2016
[Targeted therapies in colorectal cancer]
Marie-Paule Sablin1, Chantal Dreyer, Camélia Colichi
1Service interhospitalier de cancérologie Bichat-Beaujon, Hôpital Beaujon, AP-HP, 92118 Clichy Cedex. marie-paule.sablin@bjn.aphp.fr
Abstract:
Since cancer biology is now better understood, molecular targets involved in tumorigenesis have been identified and specific "targeted therapy" has been designed. Antiangiogenic and anti-EGFR are the 2 targeted families of drugs introduced in the management of colorectal cancer. Bevacizumab, cetuximab and panitumumab are well tolerated and improve the pronostic of the patients in combination with conventional chemotherapy. Moreover, the mutation of KRAS gene has been recently identified as a predictive factor of resistance to anti-EGFR and allows a better selection of the patients. Formely based on 5FU, the management of advanced colorectal cancer is now involving a complex multidisciplinary strategy combining conventional chemotherapy, targeted agents, and surgery with curative intent whenever possible.
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