Advanced therapies on BRAF-mutated and KRAS-mutated metastatic colorectal cancer |
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Institution: | ;1.Department of Pharmacology;2. School of Pharmacy;3. China Medical University |
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Abstract: | Colorectal cancer(CRC) is one of the most-diagnosed cancer worldwide, and 30% of patients with CRC have showed a metastatic situation. Monoclonal antibodies(mAbs) that target vascular endothelial growth factor(VEGF) and the epidermal growth factor receptor(EGFR) can achieveantitumor efficacy via antivascular and anticellular effects respectively and have been added into first-line chemotherapy for patients with metastatic colorectal cancer(mCRC). Investigations found that unlike VEGF inhibitors, the efficacy of EGFR inhibitors,such as Cetuximab and panitumumab, is limited to patients with wild-type-KRAS tumors without BRAF mutant. Studies revealed that resistance to EGFR inhibitors result in the poor response to anti-EGFR therapiesthrough acquired mutations of KRAS and BRAF.Considering this situation, in this review, we will focus onresistance mechanism to anti-EGFR therapies and advanced therapies for BRAF-mutated and KRAS-mutated mCRC patients. |
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