SEQUENTIAL ADMINISTRATION OF 20,20,21,21-PENTAFLUORO-17-HYDROXY-11ß-4-(HYDROXYACETYL) PHENYL -19-NOR-17a-PREGNA-4,9-DIENE-3-ONE AND ONE OR MORE PROGESTATIONAL HORMONES FOR TREATING GYNAECOLOGICAL DISEASES

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-17a-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.