The present invention relates to an immediate-release and sustained-release pharmaceutical composition comprising acebrophylline, and to a method for preparing same. The composition of the present invention includes an immediate-release portion and a sustained-release portion that exhibit independent release characteristics, thus increasing both a rapid medicinal effect and convenience in taking medicine. Further, dissolution stability is improved in order to achieve improved treatment effects.Linvention concerne, dune part une composition pharmaceutique à libération immédiate et à libération prolongée comprenant de lacébrophylline, et dautre part un procédé délaboration correspondant. La composition de linvention comprend une fraction à libération immédiate et une fraction à libération prolongée, les caractéristiques de libération de ces fractions étant indépendantes lune de lautre, ce qui permet un effet plus rapide du médicament, tout en rendant plus commode la prise du médicament. En outre, la stabilité de la dissolution est améliorée afin daméliorer lefficacité du traitement.본 발명은 아세브로필린을 포함하며 속효성과 지속성을 동시에 가지는 약제학적 조성물 및 이의 제조방법에 관한 것이다. 본 발명의 조성물은 독립적인 방출특성을 나타내는 속방부 및 서방부를 포함함으로써 빠른 약효와 복용 편의성을 동시에 증대시킬 수 있고 용출 안정성이 향상되어 개선된 치료 효과를 기대할 수 있다.
