KR101890503B1 - 안구 장애의 치료를 위한 막-부착성 자가-조립된 시스템 - Google Patents
안구 장애의 치료를 위한 막-부착성 자가-조립된 시스템 Download PDFInfo
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Abstract
Description
히알루론산 나트륨 농도의 함수로서의 입자 크기 분포 | |||
HA (%) | D50 (㎛) | D90 (㎛) | 최빈값 (㎛) |
0.1 | 1.02 | 1.78 | 1.09 |
0.2 | 1.18 | 1.72 | 1.20 |
0.3 | 2.3 | 4.39 | 2.41 |
0.4 | 0.9 | 1.49 | 0.9 |
0.5 | 1.02 | 1.78 | 1.09 |
유속의 함수로서의 분산 | |
유속 (g/분) | 분산 |
0.475 | 0.75 |
1.04 | 2.46 |
2.07 | 9.54 |
2.08 | 22.75 |
6.57 | 197.96 |
Claims (33)
- 액체 결정성 약물 전달 시스템을 제조하는 방법으로서, 상기 방법이,
지질 성분 및 알콜을 포함하는 제1 용액을 형성하는 단계로서, 상기 제1 용액이 40 내지 55 ℃의 온도로 유지되는 단계;
점막부착 친수성 중합체 및 완충제를 포함하는 제2 용액을 수득하는 단계로서, 상기 제2 용액이 수성이며 5 내지 55 ℃의 온도로 유지되는 단계;
상기 제1 용액 및 상기 제2 용액을 혼합하여 배합된 나노/마이크로-분산물을 형성하는 단계로서, 상기 혼합이 음파처리, 고 전단 혼합 및 이의 조합 중에서 선택되는 고 에너지 혼합 공정으로 달성되는 단계;
-10℃ 내지 실온의 온도에서 상기 배합된 나노/마이크로-분산물을 미세 유동화시켜 나노-분산물을 형성하는 단계; 및
상기 나노-분산물을 2 내지 5 ℃에서 인큐베이션하여 액체 결정성 약물 전달 시스템을 형성하는 단계를 포함하고,
상기 제1 용액 및 상기 제2 용액의 중량비가 1:1 내지 1:15이고, 상기 지질 성분이 포스파티딜콜린 및 중쇄 트리글리세리드를 포함하고, 상기 알콜이 세틸 알콜이고, 상기 점막부착 친수성 중합체가 히알루론산 나트륨, 크산탄 검, 구아 검, 카복시메틸 셀룰로오스, 1-4 베타 글루칸, 폴리(에틸렌 옥사이드)-폴리(프로필렌 옥사이드)-폴리(에틸렌 옥사이드), 타마린드 종자 폴리사카라이드, 알긴산 나트륨, 폴리카보폴, 폴리카보필, 및 이들의 혼합물로 이루어진 군으로부터 선택되는,
액체 결정성 약물 전달 시스템을 제조하는 방법. - 제1항에 있어서,
상기 제1 용액이 콜레스테롤, 폴리에틸렌 글리콜 (PEG) 400, 폴리프로필렌 글리콜 (PPG), PEG-스테아레이트, 폴록사머 407, 틸록사폴, 폴리소르베이트 80, 폴리(락트산-코-글리콜산) 또는 피마자유를 추가로 포함하는, 방법. - 제1항에 있어서,
상기 제1 용액에 적어도 하나의 활성 제약 성분 (API)를 용해시키는 단계를 추가로 포함하고, 여기서 상기 적어도 하나의 API는 플루티카손 프로피오네이트, 덱사메타손, 베타메타손, 부데소니드, 트리암시놀론 아세토니드, 메틸 프레드니솔론, 코르티손, 베클로메타손, 플루티카손 푸로에이트, 데옥시코르티코스테론 아세테이트, 로테프레드놀 에타보네이트, 디플루프레드네이트, 플루오로메톨론, 리멕솔론, 트라보프로스트, 아지트로마이신, 목시플록사신, 네틸마이신, 네파페낙, 디클로페낙, 디플루프레드네이트, 포사코나졸, 프레드니솔론 아세테이트 및 이의 조합로 이루어진 군으로부터 선택되는, 방법. - 수용액에 분산된 나노 입자를 포함하는 액체 결정성 약물 전달 시스템으로서, 상기 나노 입자가 지질 성분 및 알콜을 포함하고, 상기 수용액이 점막부착 친수성 중합체 및 완충제를 포함하며, 상기 지질 성분이 상기 시스템의 0.1 내지 1 중량%, 상기 알콜이 상기 시스템의 0.1 내지 5 중량%, 상기 점막부착 친수성 중합체가 상기 시스템의 1 내지 5 중량%로 존재하며, 상기 나노 입자가 40 nm 내지 900 nm의 크기를 갖고, 상기 시스템이 6 내지 7.5의 pH, 250 내지 340 mOsm/L의 삼투압 및 200 내지 1000 cP의 점도를 갖고, 상기 지질 성분이 포스파티딜콜린 및 중쇄 트리글리세리드를 포함하고, 상기 알콜이 세틸 알콜이고, 상기 점막부착 친수성 중합체가 히알루론산 나트륨, 크산탄 검, 구아 검, 카복시메틸 셀룰로오스, 1-4 베타 글루칸, 폴리(에틸렌 옥사이드)-폴리(프로필렌 옥사이드)-폴리(에틸렌 옥사이드), 타마린드 종자 폴리사카라이드, 알긴산 나트륨, 폴리카보폴, 폴리카보필, 및 이들의 혼합물로 이루어진 군으로부터 선택되는,
액체 결정성 약물 전달 시스템. - 제4항에 있어서,
상기 나노 입자가 콜레스테롤, 폴리에틸렌 글리콜 (PEG) 400, 폴리프로필렌 글리콜 (PPG), PEG-스테아레이트, 폴록사머 407, 틸록사폴, 폴리소르베이트 80, 피마자유, 페길화된 피마자유, 폴리(락트산-코-글리콜산) 또는 이들의 혼합물을 추가로 포함하는, 액체 결정성 약물 전달 시스템. - 제4항에 있어서,
상기 시스템의 0.01 내지 0.5 중량%의 활성 제약 성분 (API)을 추가로 포함하며, 여기서 상기 API는 나노 입자에 로딩되며 항염증, 펩티드, 산화 방지제, 항진균제, 항-녹내장 약물 또는 이의 조합인, 액체 결정성 약물 전달 시스템. - 제4항에 있어서,
상기 시스템의 0.01 내지 0.5 중량%의 활성 제약 성분 (API)을 추가로 포함하며, 여기서 상기 API는 나노 입자에 로딩되며 플루티카손 프로피오네이트, 덱사메타손, 베타메타손, 부데소니드, 트리암시놀론 아세토니드, 메틸 프레드니솔론, 코르티손, 베클로메타손, 플루티카손 푸로에이트, 데옥시코르티코스테론 아세테이트, 로테프레드놀 에타보네이트, 디플루프레드네이트, 플루오로메톨론, 리멕솔론, 트라보프로스트, 아지트로마이신, 목시플록사신, 네틸마이신, 네파페낙, 디클로페낙, 디플루프레드네이트, 포사코나졸, 프레드니솔론 아세테이트 및 이의 혼합물로 이루어진 군으로부터 선택되는, 액체 결정성 약물 전달 시스템. - 제6항의 액체 결정성 약물 전달 시스템을 포함하는, 안구 장애를 치료하기 위한 약학 조성물.
- 제8항에 있어서,
상기 안구 장애가 수술후 염증, 염증, 알레르기성 비염, 알레르기성 결막염, 마이봄선 기능장애, 감염, 결막염, 각막염, 궤양, 안검염, 녹내장, 포도막염, 당뇨성 황반 부종, 당뇨망막병, 노인황반변성, 안구내염, 맥락막혈관신생, 눈물관 기능장애, 각막 수포 또는 건성안 질환인, 조성물. - 제8항에 있어서, 상기 액체 결정성 약물 전달 시스템이 유리체 주사에 의하거나, 눈으로의 스프레이에 의하거나, 점안액으로 투여되는, 조성물.
- 제9항에 있어서, 상기 안구 장애가 안검염이고, 상기 API가 플루티카손 프로피오네이트인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 알레르기성 결막염이고, 상기 API가 로테프레드놀 에타보네이트인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 수술후 염증이고, 상기 API가 덱사메타손인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 감염이고, 상기 API가 목시플록사신인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 각막염이고, 상기 API가 항진균제인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 포도막염인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 녹내장인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 당뇨망막병인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 노인황반변성인, 조성물.
- 제9항에 있어서, 상기 안구 장애가 맥락막혈관신생인, 조성물.
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