While patients with metastatic renal cell carcinoma (mRCC) are now living longer with improved quality of life, the success of novel therapies for mRCC has created challenges for practicing oncologists. Many patients who initially respond to targeted therapies ultimately develop progressive disease due to acquired resistance to these agents. Additionally, some patients do not respond at all to any of the currently approved targeted agents, underscoring the need for continued and concerted efforts to identify other relevant targets and pursue alternative therapeutic strategies. Part of the...