前列腺癌为男性中十分普通的恶性病,潜伏期对人体影响不太明显,但在晚期却严重威胁人的生命,而且死亡率颇高。其病因目前尚不清楚,可能与人种、生活习性有关。许多药物已用于各期前列腺癌,如细胞毒剂(环磷酰胺、氟脲嘧啶),由于毒性大,仅用于肿瘤播及不能使用内分泌激素的患者短期治疗。对于治疗晚期前列腺癌主要依靠减少循环的雄激素水平。为此,采用睾丸切除术或服用雌激素对大多数前列腺癌转移的病人均能有效的减少雄激素水平。但是这两种方法在临床上都有缺点,例如前者 Prostate cancer is a very common malignant disease in men, the incubation period of the human body is not obvious, but in the late serious threat to human life, and the high mortality rate. The etiology is not yet clear, may be related to ethnic origin, habits and habits. Many drugs have been used in all stages of prostate cancer, such as cytotoxic agents (cyclophosphamide, fluorouracil), due to toxicity, only for cancer and endocrine hormone can not be used in patients with short-term treatment. For the treatment of advanced prostate cancer mainly rely on reducing circulating androgen levels. To this end, the use of orchiectomy or estrogen in most patients with prostate cancer metastasis can effectively reduce the level of androgen. However, both of these methods have clinical disadvantages, such as the former