An object of the present invention is to provide a sustained-release injectable preparation which is in a medication administration form that can provide the effect of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one for a prolonged period of time, the preparation releasing a therapeutically effective amount of 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one for at least one week. The present invention provides an injectable preparation containing 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-3H-quinolin-2-one or a salt thereof as an active ingredient, which releases the active ingredient in such a manner that its blood concentration is maintained for at least one week.
本发明的目的是提供一种持续释放的注射制剂,该制剂以药物给药形式提供7-[4-(4-苯并[b]
噻吩-4-基
哌嗪-1-基)丁氧基]-1H-
喹啉-2-酮的效果,并在至少一周的时间内释放治疗有效量的7-[4-(4-苯并[b]
噻吩-4-基
哌嗪-1-基)丁氧基]-1H-
喹啉-2-酮。本发明提供一种注射制剂,其包含7-[4-(4-苯并[b]
噻吩-4-基
哌嗪-1-基)丁氧基]-3H-
喹啉-2-酮或其盐作为活性成分,以这种方式释放活性成分,使其血浓度至少维持一周。