在世界范围内存在着许多性功能障碍患者 ,而且导致性功能障碍的病因多样 ,人们开始大范围寻找有效的治疗药物。新的治疗方法———磷酸二酯酶5抑制剂尽管不是十分完美 ,但是已经被成功的开发出来 ,在这些抑制剂中 ,特地那非是比较闻名的。第三期的临床试验表明 ,它同其它同类药 There are many patients with sexual dysfunction in the world, and the causes of sexual dysfunction are diverse, people start to find effective therapeutic drugs on a large scale. New treatments - Phosphodiesterase 5 inhibitors have been successfully developed, though not perfectly well, among these inhibitors, which are particularly well-known. Phase III clinical trials show that it is the same as other drugs