Real world outcomes of nivolumab and cabozantinib in metastatic renal cell carcinoma: Results from the International Metastatic Renal Cell Carcinoma Database Consortium (IMDC).

615 Background: The immuno-oncology (IO) checkpoint inhibitor nivolumab and the tyrosine kinase inhibitor (TKI) cabozantinib have both been shown in phase III clinical trials to be effective in metastatic renal cell carcinoma (mRCC) after progression on first-line therapy. We sought to explore the real-world efficacy of these therapies in second-line mRCC. Methods: Using the IMDC database, a retrospective analysis was performed on mRCC patients...