A pharmaceutical composition, comprising one or more components selected from the group consisting of: (i) a tumor-associated antigen or a part thereof, (ii) a nucleic acid which codes for a tumorassociated antigen or a part thereof, (iii)an antibody which binds to a tumor-associated antigen or a part thereof, (iv) an antisense nucleic acid which hybridizes specifically with a nucleic acid coding for a tumor-associated antigen, (v) an isolated host cell which expresses a tumor-associated antigen or a part thereof, and (vi) isolated complexes between a tumor-associated antigen or a part thereof and an HLA molecule, said tumor-associated antigen having a sequence encoded by a nucleic acid.
