Ticilimumab (CP-675,206) in Treating Patients With Stage IIIC or Stage IV Melanoma

Patients will receive intravenous administration of CP-675,206 at a dose of 15mg/kg on Day 1 of an every 90 day cycles. For purposes of treatment visits and scheduling, each cycle is defined as a 90 day period. Patients may receive up to 8 dose (8 cycles) in a 24-month period until progression of disease or intolerable toxicity.