Abstract:
BACKGROUND:Colorectal cancer (CRC) is a heterogeneous disease with a complex biology and a wide number of altered genes such as BRAF, KRAS and PIK3CA. Advances with new-targeted therapies have been achieved and available treating options have prolonged patient's survival. However, BRAF-mutated CRC patients remain unresponsive to available therapies with RAF inhibitors (RAFi) alone or combined with ErbB inhibitors (ErbBi). These unmet needs require further exploitation of oncogenic signaling in order to set up individualized treatments. METHODS:To this end, we tested the efficacy of single agent or combined treatments using the BRAFi, vemurafenib and two different ErbBi: panitumumab and afatinib in CRC cells characterized by different molecular phenotypes. RESULTS:Combination strategies with BRAFi and ErbBi achieved a better response in BRAFV600E mutated cells expressing high levels of ErbB2. CONCLUSIONS:Our findings support the importance of ErbB2 evaluation in BRAF-mutated CRC patients and its role as a positive predictor factor of response to BRAFi/ErbBi combination.
journal_name
BMC Cancerjournal_title
BMC cancerauthors
Miele E,Abballe L,Spinelli GP,Besharat ZM,Catanzaro G,Chiacchiarini M,Vacca A,Po A,Capalbo C,Ferretti Edoi
10.1186/s12885-020-6586-0subject
Has Abstractpub_date
2020-02-17 00:00:00pages
129issue
1issn
1471-2407pii
10.1186/s12885-020-6586-0journal_volume
20pub_type
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