Journal
PIGMENT CELL & MELANOMA RESEARCH
Volume 28, Issue 4, Pages -Publisher
WILEY
DOI: 10.1111/pcmr.12376
Keywords
dovitinib; mutant BRAF; combination therapy; vemurafenib resistance; MEK inhibitor
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Funding
- Leslie H. Warner postdoctoral fellowship - Yale Cancer Center
- [T32GM007324]
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BRAF inhibitors have revolutionized treatment of mutant BRAF metastatic melanomas. However, resistance develops rapidly following BRAF inhibitor treatment. We have found that BRAF-mutant melanoma cell lines are more sensitive than wild-type BRAF cells to the small molecule tyrosine kinase inhibitor dovitinib. Sensitivity is associated with inhibition of a series of known dovitinib targets. Dovitinib in combination with several agents inhibits growth more effectively than either agent alone. These combinations inhibit BRAF-mutant melanoma and colorectal carcinoma cell lines, including cell lines with intrinsic or selected BRAF inhibitor resistance. Hence, combinations of dovitinib with second agents are potentially effective therapies for BRAF-mutant melanomas, regardless of their sensitivity to BRAF inhibitors.
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