![]() |
安宮黃體酮
別 名:醋酸甲羥孕酮;甲孕酮;甲羥孕酮醋酸酯
英文名稱:Medroxyprogesterone Acetate
化學名為: 6α-甲基-17α-羥基孕甾-4-烯-3,20-二酮醋酸酯
CAS # 號:71-58-9
分 子 式:C24H34O4
分 子 量:386.52
質量標準:USP31
外 觀:白色或類白色結晶性粉末
溶 解 性:在三氯甲烷中極易溶解,在丙酮中溶解,在乙酸乙酯中略溶,在無水乙醇中微溶,在水中不溶。
用 途:安宮黃體-酮主要用于痛經、功能性閉經、功能性子宮出血、先兆流產或習慣性流產、子宮內膜異位癥、治療晚期乳腺癌、子宮內膜腺癌及腎癌等。
【藥理毒理】孕激素類藥,作用于子宮內膜,能促進子宮內膜的增殖分泌,通過對下丘腦的負反饋,抑制垂體前葉促黃體生成激素的釋放,抑制卵巢的排卵過程。抗癌作用可能與抗雌激素作用有關。
【藥代動力學】口服在胃腸道吸收,在肝內降解。肌內注射后2~3天血藥濃度達到峰值。血藥峰值越高,藥物清除越快。肌注150mg后6~9個月血中才檢不出藥物,血中醋酸甲羥孕酮水平超過0.1mg/ml時,黃體生成素(LH)和雌二醇均受到抑制而抑制排卵。
Medroxyprogesterone acetate
Alias: medroxyprogesterone acetate; medroxyprogesterone acetate; medroxyprogesterone acetate
English name: Medroxyprogesterone 17-acetate
CAS No. :71 -58-9
Molecular Formula: C24H34O4
Molecular Weight: 386.52
Quality Standard: USP31
Appearance: white or almost white crystalline powder
Solubility: easily soluble in chloroform, dissolved in acetone, slightly soluble in ethyl acetate, slightly soluble in ethanol, insoluble in water.
Uses: medroxyprogesterone acetate is mainly used for dysmenorrhea, functional amenorrhea, dysfunctional uterine bleeding, threatened abortion or habitual abortion, endometriosis, treatment of advanced breast cancer, endometrial cancer and kidney cancer and so on.