Condensed pyrazole derivatives, and androgen inhibitor

摘要

This invention provides a condensed pyrazole derivative of the Formula (1): <IMAGE> (1) (where A denotes CH or N, R0 and R3 denote same or different, a hydrogen atom or a lower alkyl group, R1 and R2 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 R2 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.