Fibroblast growth factor (FGF) pathway activation may be a mechanism of escape from vascular endothelial growth factor (VEGF)-targeted therapies. In a phase III trial reported in The Lancet Oncology, Motzer et al compared the VEGF and FGF receptor tyrosine kinase inhibitor dovitinib vs sorafenib...
Tivozanib is a selective tyrosine kinase inhibitor of vascular endothelial growth factor receptor 1 (VEGFR1), -2, and -3. In a phase III trial reported in Journal of Clinical Oncology by Robert J. Motzer, MD, of Memorial Sloan-Kettering Cancer Center (MSKCC) and colleagues, tivozanib was found to...