A Study of Combination Treatment With HF10 and Ipilimumab in Patients With Unresectable or Metastatic Melanoma

Patients will receive the dose of 1 x 10\^7 TCID50/mL HF10 (for a total of 6 injections; the first 4 injections at 1-week intervals; the remaining 2 injections at 3-week intervals) and ipilimumab at 3 mg/kg ipilimumab (for a total of 4 intravenous infusions, each administered at 3-week intervals).