Use of 18-methyl-15β, 16β-methylene-19-nor-20-spiroxa-4-en-3-one in the treatment of hypermenorrhea and 18-methyl-15β, 16β for the treatment of uterine bleeding disorders Intrauterine system containing methylene-19-nor-20-spiroxa-4-en-3-one
The present invention relates to the general formula (1): formula (1) in the treatment of hypermenorrhea, generally the treatment of uterine bleeding disease, wherein R6 and R7 are hydrogen atoms or together. Of 18-methyl-15β, 16β-methylene-19-nor-20-spiroxa-4-en-3-one, present as an α-methylene group, and compounds of formula 1 for such use Intrauterine system including本発明は、過多月経症の治療、一般的には子宮出血疾患の治療における、一般式(1):式(1)(式中、R6およびR7は、水素原子であるか、または一緒になってα-メチレン基として存在する)の18-メチル-15β,16β-メチレン-19-ノル-20-スピロキサ-4-エン-3-オンの子宮内使用、ならびに該使用のために式1の化合物を含む子宮内システムに関する。