Moderate to severe acne and/or hirsutism in women of childbearing age who are sensitive to androgens; Contraception
藥理
Acne Products; Estrogen and Progestin Combination
藥動學
Cyproterone: Absorption: Oral: Complete Metabolism: Hepatic; primary metabolite is 15beta-hydroxy-cyproterone acetate Distribution: Vd: IM: 20.6 L/kg Bioavailability: Oral: 88% Half-life elimination: Oral: 38 ± 5 hours Excretion: Feces (60%); urine (33%; mainly as unconjugated metabolites) Ethinyl estradiol: Absorption: Rapid Bioavailability: 43% to 55% Distribution: Vd: 2 to 4 L/kg Protein binding: >95% to albumin Metabolism: Hepatic via oxidation and conjugation in GI tract; hydroxylated via CYP3A4 to metabolites; first-pass effect; enterohepatic recirculation; reversibly converted to estrone and estriol Half-life elimination: 19 to 24 hours Excretion: Urine (as estradiol, estrone, and estriol); feces
禁忌症
Hypersensitivity to ethinyl estradiol, cyproterone, or any component of the formulation; breast cancer or other estrogen- or progestin-dependent neoplasms; history of or actual thrombophlebitis or thromboembolic disorders, cerebrovascular disorders, or myocardial infarction or coronary arterial disease; severe diabetes with vascular changes; hepatic tumors or disease; history of cholestatic jaundice; pregnancy; undiagnosed abnormal vaginal bleeding; ocular lesions arising from ophthalmic vascular disease, such as partial or complete loss of vision or defect in visual fields; history of otosclerosis with deterioration during pregnancy; concomitant use with other estrogen/progesterone combinations or estrogens or progestins alone