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The tyrosine kinase inhibitor (TKI) cabozantinib targets vascular endothelial growth factor receptors (VEGFRs), MET, and AXL, all of which are up-regulated in renal cancer. The drug is currently FDA-approved for treating patients with metastatic medullary thyroid cancer, and it has demonstrated intriguing antitumor activity in patients with progressive renal-cell disease following therapy with VEGF and mammalian target of rapamycin (mTOR) inhibitors (Ann Oncol 2014; 25:1603).
Now, investigators have conducted an industry-sponsored, phase III, randomized, open-label trial to compare the efficacy of cabozantinib (60 mg daily) versus everolimus (10 mg daily) in 658 good-performance status patients who had advanced renal cancer with a clear cell…