FIELD: medicine, oncology, pharmacy. SUBSTANCE: invention involves preparing combination of composition inducing cytotoxic T-lymphocytes and at least one agent that is able to neutralize or reduce activity of immunosuppressive factor secreting by tumor being by separately or in combination. Composition comprises additionally: stabilizing detergent, micelle-forming agent and biologically decomposable and biologically compatible oil for making in the form of stable emulsion of type "oil-in-water". Invention claims also methods for treatment of malignant tumor, viral or parasitic diseases using the indicated composition. Invention provides preparing composition of the enhanced effectiveness and methods for immunotherapeutic treatment. EFFECT: improved preparing method, enhanced effectiveness of treatment, valuable medicinal properties of composition. 37 cl, 4 dwg, 4 ex
