- Patients must not have received neoadjuvant treatment for their melanoma; patients must not have had prior immunotherapy including, but not limited to ipilimumab, interferon alfa-2b, high dose IL-2, pegylated (PEG)-IFN, anti-PD-1, anti-PD-L1 intra-tumoral, or vaccine therapies; patients must not be planning to receive any of the prohibited therapies during the screening or treatment phases of the study