A Phase I, Dose Escalation Study to Assess the Safety & Biological Activity of Interleukin 18 (SB-485232) Administered by IV Infusion in Combination With Pegylated Liposomal Doxorubicin (Doxil) in Advanced Stage Epithelial Ovarian Cancer

The purpose of this study is to identify a dose of SB-485232 which is safe, tolerable and biologically active when used in combination with pegylated liposomal doxorubicin (Doxil) in patients with epithelial ovarian cancer. This study will use a standard treatment regimen of pegylated liposomal doxorubicin (Doxil) in combination with rising doses of SB-485232. The dose selected from this study will be used in a future studies to evaluate the efficacy of this combination.