CHICAGO--(BUSINESS WIRE)--Pfizer announced today that single-agent, oral SUTENT® (sunitinib malate) prolonged progression-free survival (PFS) across all patient risk groups, including those with the poorest prognoses for survival versus interferon-alfa (IFN-a), according to new data from the Phase III trial in the first-line treatment of advanced renal cell carcinoma (RCC). These data, along with Phase II studies of SUTENT in several tumor types, including liver cancer, were presented at the 43rd American Society of Clinical Oncology (ASCO) Annual Meeting.