[Role of the Immune System and Possibilities of Immunotherapy in Prostate Cancer].

In recent years, thanks to new advances in tumor immunology, immunotherapy became a part of intensive research as a novel strategy in cancer treatment. Sipuleucel T is the first and only medicinal product approved by the regulatory agencies in the USA and Europe for the treatment of asymptomatic or minimal symptomatic castrate re-fractory prostate cancer. It represents the first product of autologous cell therapy. This article gives a brief overview of new approaches in cancer immunotherapy in clinical development.