The present invention relates to an indole derivative represented by formula (1) or a salt thereof, and a pharmaceutical containing the derivative or the salt: ##STR1## wherein R.sup.1 represents lower alkyl; R.sup.2 represents hydrogen or phenyl which may be substituted by at least one lower alkyl, lower alkoxy or a halogen atom; R.sup.3 represents hydrogen, lower alkyl, lower alkoxy, or phenylalkyloxy which may be substituted by halogen or lower alkyl; R.sup.4 represents hydrogen, lower alkyl or lower alkoxy; R.sup.5 represents hydrogen or lower alkyl; and n represents an integer of 1 to 5. This compound has the effects of both blocking .alpha..sub.1 -adrenergic receptors and inhibiting testosterone 5.alpha.-reductases, and is useful as a remedy and/or a preventive for diseases caused by dihydrotestosterone overproduction, such as prostatic hypertrophy, and diseases accompanying the same, such as urination disorder, male pattern alopecia, acne, and so forth.
本发明涉及一种由式(1)表示的
吲哚衍
生物或其盐,以及含有该衍
生物或盐的制药物:##STR1##其中,R.sup.1代表较低的烷基;R.sup.2代表氢或苯基,该苯基可以被至少一个较低的烷基、较低的烷氧基或卤素原子取代;R.sup.3代表氢、较低的烷基、较低的烷氧基或苯基烷氧基,该苯基烷氧基可以被卤素或较低的烷基取代;R.sup.4代表氢、较低的烷基或较低的烷氧基;R.sup.5代表氢或较低的烷基;n代表1到5的整数。该化合物具有阻断α1-
肾上腺素受体和抑制
睾酮5α-还原酶的作用,并且可用作治疗和/或预防由二氢
睾酮过度产生引起的疾病,例如前列腺肥大以及伴随其出现的疾病,例如排尿障碍、男性型脱发、痤疮等。