Interleukin-2 With Sorafenib (BAY 43-9006) for Unresectable or Metastatic Clear Cell Renal Carcinoma (RCC) and Metastatic Melanoma

600,000 IU/kg every 8 hours on days 1-5 (week 1) to a maximum of 12 doses. Another cycle of HD aldesleukin will be started on day 15 (week 3).

To be initiated at a dose of 200 mg orally. Once it is determined that no further HD aldesleukin therapy will be given, sorafenib may be given daily at the FDA approved dose of 400 mg twice daily until there is lack of clinical benefit or intolerable side effects develop.