- Arm I: Patients receive vaccination with NA17-A and melanoma differentiation peptides (e.g., tyrosinase, Melan-A, and gp100 antigens) subcutaneously and intradermally on days 1, 8, 15, and 22. Patients then receive a vaccination once every 14 days for 4 doses, once every 28 days for 4 doses, once every 56 days for 4 doses, and then once every 3 months for a total of 4 years.