KR102300335B1 - 아프레피탄트의 경구용 조성물 - Google Patents
아프레피탄트의 경구용 조성물 Download PDFInfo
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- KR102300335B1 KR102300335B1 KR1020190129553A KR20190129553A KR102300335B1 KR 102300335 B1 KR102300335 B1 KR 102300335B1 KR 1020190129553 A KR1020190129553 A KR 1020190129553A KR 20190129553 A KR20190129553 A KR 20190129553A KR 102300335 B1 KR102300335 B1 KR 102300335B1
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Abstract
Description
도 2는 비글견에서의 대조약과 실시예 2 시료의 경구 투여에 대한 아프레피탄트의 약물동력학 시험 결과인 평균혈중농도-시간 그래프(n=6)이다.
Claims (12)
- 불활성 코어 물질 및 이를 코팅하는 서로 다른 2 개 이상의 코팅층을 포함하고,
상기 서로 다른 2 개 이상의 코팅층 중 하나 이상은 아프레피탄트 및 친수성 고분자를 포함하고, 다른 코팅층 중 하나 이상은 아프레피탄트 및 위용성 고분자를 포함하며,
상기 코팅층들 중 하나 이상은 D-α-토코페릴 폴리에틸렌 글리콜 숙시네이트를 더 포함하고,
상기 친수성 고분자는 폴리비닐카프로락탐-폴리비닐 아세테이트-폴리에틸렌글리콜 그라프트 공중합체, 히드록시프로필메틸셀룰로스 중에서 선택되는 1종 이상이며,
상기 위용성 고분자는 폴리메타크릴레이트 공중합체로서 디메틸아미노에틸메타크릴레이트를 갖는 양이온성 고분자인,
코팅 입자. - 제1항에 있어서, 상기 코팅층은,
상기 불활성 코어물질을 표면을 코팅하고, 아프레피탄트 및 친수성 고분자를 포함하는 제1 코팅층; 및
상기 제1 코팅층을 코팅하고, 아프레피탄트 및 위용성 고분자를 포함하는 제2 코팅층;을 포함하는,
코팅 입자. - 제1항에 있어서, 상기 폴리메타크릴레이트 공중합체는 폴리(부틸메타크릴레이트-co-(2-디메틸아미노에틸)메타크릴레이트-co-메틸메타크릴레이트)인, 코팅 입자.
- 제1항에 있어서, 상기 폴리메타크릴레이트 공중합체는 3,000 내지 200,000 g/mole의 중량 평균 분자량을 갖는 것인, 코팅 입자.
- 제2항에 있어서, 아프레피탄트 1 중량부에 대하여 친수성 고분자를 0.1 내지 10 중량부로 포함하는 코팅 입자.
- 제2항에 있어서, 아프레피탄트 1 중량부에 대하여 위용성 고분자를 0.1 내지 10 중량부로 포함하는 코팅 입자.
- 제1항에 있어서, 아프레피탄트 1 중량부에 대하여 D-α-토코페릴 폴리에틸렌 글리콜 숙시네이트를 0.001 내지 1 중량부로 포함하는 코팅 입자.
- 제1항 내지 제7항 중 어느 한 항의 코팅 입자를 포함하는 경구용 조성물.
- 아프레피탄트를 친수성 고분자와 함께 용해하여 1차 코팅액을 제조하는 단계;
불활성화 코어를 1차 코팅액으로 코팅하는 단계;
아프레피탄트를 위용성 고분자와 함께 용해 하여 2차 코팅액을 제조하는 단계; 및
상기 1차 코팅된 입자를 2차 코팅액으로 코팅하는 단계;를 포함하며,
상기 코팅액들 중 하나 이상은 D-α-토코페릴 폴리에틸렌 글리콜 숙시네이트를 더 포함하고,
상기 친수성 고분자는 폴리비닐카프로락탐-폴리비닐 아세테이트-폴리에틸렌글리콜 그라프트 공중합체, 히드록시프로필메틸셀룰로스 중에서 선택되는 1종 이상이며,
상기 위용성 고분자는 폴리메타크릴레이트 공중합체로서 디메틸아미노에틸메타크릴레이트를 갖는 양이온성 고분자인,
경구용 조성물의 제조방법. - 삭제
- 삭제
- 삭제
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