hrp0086p1-p372 | Gonads & DSD P1 | ESPE2016

Effects and Side Effects of Cyproterone Acetate Alone and in Combination with Estrogens in Natal Male Adolescents with Gender Dysphoria

Tack Lloyd , Craen Margarita , Dhondt Karlien , Bossche Heidi Vanden , Laridaen Jolien , Cools Martine

Background: Male to female (MtF) gender dysphoric adolescents with advanced pubertal development can be treated with antiandrogenic progestins such as cyproterone acetate (CA). CA is much cheaper and easier to administer than GnRHa and can later be combined with cross-sex hormones (17β-estradiol) (CA+E). To date, few data exist on the (side) effects of progestins for this indication.Objective and hypotheses: To report the effects of consecutive CA a...