2. Progression on or after stopping treatment with an agent approved by the Food and Drug Administration (FDA) for the treatment of renal cell carcinoma (RCC). Patients must have received at least one FDA approved agent (axitinib, sunitinib, sorafenib, pazopanib, temsirolimus, interleukin-2 (IL-2), interferon or everolimus). Patients must be off prior IL-2 or interferon for 4 weeks prior to entry. They must be off sunitinib, sorafenib, pazopanib, axitinib, temsirolimus or everolimus or other tyrosine kinase inhibitor (TKIs) for 2 weeks prior to entry.