摘要:
The invention relates to a treatment regime and to combination preparations of 20,20,21,21,21 -pentafluoro-17-hydroxy-11 ß-[4- (hydroxyacetyl)phenyl]-19-nor-17α-pregna-4,9-diene-3-one of formula (I). Said invention relates to, in particular, a sequential regime for treating gynaecological diseases in which, in a first phase, the above-mentioned progesterone antagonist is administered and, in a second phase, a progestational hormone is administered.