Open-label phase II trial of everolimus monotherapy in treatment-naive patients with advanced papillary renal cell carcinoma.
2010
TPS234 Background: Papillary renal cell carcinoma (RCC) is genetically and morphologically distinct from other RCCs, and accounts for up to 10% of RCC diagnoses. All RCC histologies are generally resistant to chemotherapy. Newer targeted treatment approaches have demonstrated clinical benefit in patients with clear cell RCC, but options for the treatment of papillary RCC remain limited. Everolimus, an oral mTOR inhibitor, has demonstrated efficacy in the pivotal RECORD-1 study in patients with mRCC with a “clear cell component” histology that progressed on vascular endothelial growth factor receptor tyrosine kinase inhibitor therapy, and everolimus is now indicated for use in this patient population. Because mTOR is also aberrantly activated in papillary RCC, mTOR inhibition presents a novel means for targeted therapy in papillary RCC. The ongoing RAPTOR (RAD001 in Advanced Papillary Tumor Program in Europe) trial is evaluating the efficacy and safety of everolimus monotherapy in treatment-naive patients ...
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