 vaccination protocol to induce specific immune responses against melanoma associated antigens by intradermal injections of mRNA coding for the corresponding antigen. Antigens used are Melan-A, Mage-A1, Mage-A3, Survivin, GP100 and Tyrosinase. GM-CSF is used as an adjuvans. Phase III clinical trial to analyse safety and immune respones in stage IIIIV melanoma patients. 