Prodrugs of C-17-heterocyclic- steroidal drugs providing improved oral bioavailability and phamacokinetics are described. The drugs are inhibitors of human CYP 17 enzyme, as well as potent antagonists of both wild type and mutant androgen receptors (AR), and are useful for the treatment of urogenital and/or androgen-related cancers, diseases and/or conditions, such as human prostate cancer, breast cancer, and prostate hyperplasia. The disclosure describes methods of synthesizing and using the prodrugs in cancer therapy.
                            描述了C-17-杂环类
固醇药物的前体,提供了改善口服
生物利用度和药代动力学的结果。这些药物是人类CYP 17酶的
抑制剂,同时也是野生型和突变雄激素受体(AR)的有效拮抗剂,适用于治疗泌尿生殖和/或与雄激素相关的癌症、疾病和/或病况,如人类前列腺癌、乳腺癌和前列腺增生。该披露描述了合成和使用这些前体在癌症治疗中的方法。