The present invention relates to the use of Volasertib or a salt thereof or the hydrate thereof for treating patients suffering from solid malignancies including advanced or metastatic solid malignancies comprising a high frequency administration of Volasertib according to a specific dosage schedule.本發明係關於沃拉色替(Volasertib)或其鹽或其水合物於治療患有包括末期或轉移固態惡性腫瘤之固態惡性腫瘤之患者之用途,其包括按照特定劑量方案高頻率投與沃拉色替。