“…Also in urological malignancies, anti-angiogenic therapies are attractive concepts and already incorporated in the daily uro-oncological practice as reported by Leonhartsberger [4] in renal cell cancer. However, in castration-resistant prostate cancer (CRPC), until now, no anti-angiogenic therapy is approved, and therefore, Heidegger et al [5] discuss critically the results and limitations of performed studies with anti-angiogenic agents in CRPC.…”