Medroxyprogesterone acetate
生产企业：Sandoz canada inc, Teva parenteral medicines inc，另有 4 家
Medroxyprogesterone acetate is a progestin used as a contraceptive and in the treatment of secondary amenorrhea, abnormal uterine bleeding, pain from endometriosis, endometrial and renal carcinomas, paraphilia in males, and GnRH-dependent precocious puberty.
Medroxyprogesterone acetate is a progestin used as a contraceptive and in the treatment of secondary amenorrhea, abnormal uterine bleeding, pain from endometriosis, endometrial and renal carcinomas, paraphilia in males, and GnRH-dependent precocious puberty.
Medroxyprogesterone acetate (MPA) inhibits the production of gonadotropin, preventing follicular maturation and ovulation, which is responsible for it’s ability to prevent pregnancy. This action also thins the endometrium. MPA reduces nuclear estrogen receptors and DNA synthesis in epithelial cells of the endometrium. MPA can also induce p53 dependant apoptosis in certain cancer cell lines, and inhibit GABA-A receptors.
Medroxyprogesterone acetate (MPA) oral tablets are indicated to treat secondary amenorrhea, reduce the incidence of endometrial hyperplasia in postmenopausal women, and to treat abnormal uterine bleeding due to hormonal imbalance, not organic pathology. Oral tablets containing MPA and conjugated estrogens are indicated to prevent postmenopausal osteoporosis and to treat moderate to severe menopausal symptoms such as vasomotor symptoms, vulvar atrophy, and vaginal atrophy. Subcutaneous MPA is indicated to prevent pregnancy and manage pain associated with endometriosis. Intramuscular MPA is indicated to prevent pregnancy, and at higher concentrations for palliative treatment of endometrial or renal carcinoma.
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