Refractory Renal Cell Carcinoma

This is a single-institution, pilot study of oral casdatifan, a selective HIF-2α inhibitor, in patients with metastatic clear cell renal cell carcinoma refractory to prior IO- and VEGF-based therapies. The study will assess changes in HIF2-regulated gene expression through RNA sequencing of serial tumor biopsies obtained at baseline, during treatment, and at progression. Blood samples will also be collected for future analyses.