The invention concerns a pharmaceutical composition comprising at least one stimulator of the immune cell functions and at least one substance inhibiting the cell proliferation and/or inducing cell death. In a preferred embodiment the stimulator of the function of the immune system and/or the immune cells are antagonists of TGF-beta selected from the group of oligonucleotides hybridizing with an area of the messenger RNA and/or DNA encoding TGF-beta and the at least one substance inhibiting cell proliferation and/or inducing cell death is selected from the group of temozolomide, nitrosoureas, Vinca alkaloids, antagonists of the purine and pyrimidines bases, cytoststatic active antibiotics, caphthotecine derivatives, anti estrogens, anti-androgens and analogs of gonadotropin releasing hormon.
