申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US05409928A1
公开(公告)日:1995-04-25
This invention provides a condensed pyrazole derivative of the Formula (1): ##STR1## (where A denotes CH or N, R.sup.0 and R.sup.3 denote same or different, a hydrogen atom or a lower alkyl group, R.sup.1 and R.sup.2 denote same or different, a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a nitro group or a halogen atom, m denotes 1 or 2, and n denotes 1, 2 or 3, provided that, when n is 2, two R.sup.2 may be connected to each other to form a lower alkylenedioxy group), or its pharmaceutically acceptable salt. This derivative or its salt is excellent in the effect of inhibiting the expression of action of androgen, thereby being excellent in therapeutical effect of benign prostatic hypertrophy, prostatic carcinoma, etc., and has a long lasting of efficacy and high oral absorption.
这项发明提供了Formula (1)的浓缩吡唑衍生物:##STR1##(其中A表示CH或N,R.sup.0和R.sup.3表示相同或不同,氢原子或较低的烷基基团,R.sup.1和R.sup.2表示相同或不同,氢原子,较低的烷基基团,较低的烷氧基团,较低的烷基硫基团,硝基团或卤素原子,m表示1或2,n表示1、2或3,但当n为2时,两个R.sup.2可以连接在一起形成较低的烷二氧基基团),或其药学上可接受的盐。该衍生物或其盐在抑制雄激素作用表达方面表现出色,因此在治疗良性前列腺肥大、前列腺癌等方面具有出色的疗效,并具有长效和高口服吸收的特点。