KR101629521B1 - 난용성 약물 가용화 및 생체막 투과증진을 위한 알코올성 수상을 내상으로 하는 리포좀, 리포좀 조성물 및 리포좀의 제조방법 - Google Patents
난용성 약물 가용화 및 생체막 투과증진을 위한 알코올성 수상을 내상으로 하는 리포좀, 리포좀 조성물 및 리포좀의 제조방법 Download PDFInfo
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- KR101629521B1 KR101629521B1 KR1020100023476A KR20100023476A KR101629521B1 KR 101629521 B1 KR101629521 B1 KR 101629521B1 KR 1020100023476 A KR1020100023476 A KR 1020100023476A KR 20100023476 A KR20100023476 A KR 20100023476A KR 101629521 B1 KR101629521 B1 KR 101629521B1
- Authority
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- South Korea
- Prior art keywords
- liposome
- drug
- alcohol
- glycero
- phospholipid
- Prior art date
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- A61K9/00—Medicinal preparations characterised by special physical form
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Abstract
본 발명에 의하면, 리포좀의 내상(inner phase)을 알코올을 함유하는 알코올성 수상으로 하여, 물에 난용성인 약물을 리포좀 내상으로 봉입율을 증가시켜 가용화하고, 이 조성물을 경구투여하거나 혹은 피부 및 점막 등에 적용 하였을 때 단순한 약물 용액으로 투여한 경우에 비하여 생체내 흡수율을 증진시킬 수 있는 효과를 기대할 수 있다.
Description
도 2는 알코올성 수상을 함유하는 리포좀에 난용성 약물인 레스베라트롤을 봉입한 조성물의 실시예 16을 가지고 무모생쥐의 피부에 적용하였을 때의 투과량을 나타낸 것이다.
조 성 | 실시예 | ||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||
인지질 (μmol) | eggPC | 20 | 20 | ||||||||
DSPC | 20 | 10 | 10 | 20 | 10 | 10 | |||||
DPPC | 20 | 20 | |||||||||
DSPG | 10 | 10 | |||||||||
DOTAP | 10 | 10 | |||||||||
cholesterol(Chol) (μmol) | 10 | 10 | 10 | 10 | 10 | ||||||
파클리탁셀 (mg) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | |
인산완충액, pH 7.4 (mL) | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | |
에탄올 (mL) | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 |
조 성 | 실시예 | ||||||||||
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | ||
인지질 (μmol) | eggPC | 20 | 20 | ||||||||
DSPC | 20 | 10 | 10 | 20 | 10 | 10 | |||||
DPPC | 20 | 20 | |||||||||
DSPG | 10 | 10 | |||||||||
DOTAP | 10 | 10 | |||||||||
cholesterol(Chol) (μmol) | 10 | 10 | 10 | 10 | 10 | ||||||
레스베라트롤 (mg) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
인산완충액, pH 7.4) (mL) | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | |
에탄올 (mL) | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 |
평균 입자경 (nm) |
실시예 | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
121 | 120 | 132 | 129 | 142 | 132 | 152 | 143 | 132 | 145 | |
실시예 | ||||||||||
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
98 | 110 | 101 | 103 | 112 | 110 | 98 | 96 | 100 | 119 |
봉입 효율 (%) |
실시예 | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
48 | 46 | 53 | 49 | 56 | 53 | 45 | 48 | 43 | 56 | |
실시예 | ||||||||||
11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
65 | 64 | 67 | 70 | 69 | 66 | 65 | 68 | 67 | 63 |
구분 | 0개월 | 2개월 | 4개월 | 6개월 | ||||
입자크기(nm) | 함량(%) | 입자크기(nm) | 함량(%) | 입자크기(nm) | 함량(%) | 입자크기(nm) | 함량(%) | |
온도 | 실시예 1 | |||||||
4oC | 121 | 100 | 125 | 99.8 | 124 | 99.6 | 126 | 99.0 |
25oC | 121 | 100 | 156 | 99.6 | 163 | 99.7 | 201 | 99.1 |
온도 | 실시예 6 | |||||||
4oC | 132 | 100 | 133 | 99.7 | 132 | 99.7 | 143 | 99.7 |
25oC | 132 | 100 | 165 | 99.9 | 166 | 99.5 | 208 | 99.5 |
구분 | 0개월 | 2개월 | 4개월 | 6개월 | ||||
입자크기(nm) | 함량(%) | 입자크기(nm) | 함량(%) | 입자크기(nm) | 함량(%) | 입자크기(nm) | 함량(%) | |
온도 | 실시예 11 | |||||||
4oC | 98 | 100 | 102 | 99.7 | 132 | 98.4 | 165 | 98.3 |
25oC | 98 | 100 | 156 | 98.5 | 220 | 97.4 | 250 | 96.8 |
온도 | 실시예 16 | |||||||
4oC | 110 | 100 | 135 | 99.6 | 201 | 99.2 | 220 | 98.7 |
25oC | 110 | 100 | 180 | 99.2 | 270 | 96.5 | 310 | 95.6 |
Claims (11)
- 최외각에 존재하는 인지질 이중층(phospholipid bilayer) 및 상기 인지질 이중층의 내부에 존재하는 탄소수 1 내지 4의 저급 알코올, 수난용성이며 알코올 가용성인 약물 및 인산완충용액의 혼합물로 구성되며 96-152nm의 입자크기를 가지는 리포좀(liposome)과 인산완충용액을 포함하는 리포좀 조성물로서,
상기 인지질 이중층은 포스파티딜콜린(phosphatidylcholine, PC), 1,2-디스테아로일-sn-글리세로-3-포스포콜린(1,2-distearoyl-sn-glycero-3-phosphocholine, DSPC), 및 1,2-디팔미토일-sn-글리세로-3-포스포콜린(1,2-dipalmitoyl-sn-glycero-3-phosphocholine, DPPC)으로 구성된 군으로부터 선택된 하나의 인지질 또는 둘 이상의 인지질 혼합물과 1,2-디올레오일-3-트리메틸암모늄-프로판(1,2-dioleoyl-3-trimethylammonium-propane, DOTAP) 및 콜레스테롤(cholesterol)로 구성된 군으로부터 선택된 하나의 양이온성 지질 또는 둘의 양이온성 지질 혼합물을 포함하며,
상기 약물은 파클리탁셀(paclitaxel) 및 레스베라트롤(resveratrol)로 구성된 군으로부터 선택된 하나의 약물 또는 둘의 약물 혼합물을 포함하는 것을 특징으로 하는 리포좀 조성물.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 최외각에 인지질 이중층이 존재하고 상기 인지질 이중층의 내부에 탄소수 1 내지 4의 저급 알코올, 수난용성이며 알코올 가용성인 약물 및 인산완충용액의 혼합물이 존재하는 리포좀으로서,
상기 인지질 이중층은 포스파티딜콜린(phosphatidylcholine, PC), 1,2-디스테아로일-sn-글리세로-3-포스포콜린(1,2-distearoyl-sn-glycero-3-phosphocholine, DSPC), 및 1,2-디팔미토일-sn-글리세로-3-포스포콜린(1,2-dipalmitoyl-sn-glycero-3-phosphocholine, DPPC)으로 구성된 군으로부터 선택된 하나의 인지질 또는 둘 이상의 인지질 혼합물과 1,2-디올레오일-3-트리메틸암모늄-프로판(1,2-dioleoyl-3-trimethylammonium-propane, DOTAP) 및 콜레스테롤(cholesterol)로 구성된 군으로부터 선택된 하나의 양이온성 지질 또는 둘의 양이온성 지질 혼합물을 포함하며,
상기 약물은 파클리탁셀(paclitaxel) 및 레스베라트롤(resveratrol)로 구성된 군으로부터 선택된 하나의 약물 또는 둘의 약물 혼합물인 것을 특징으로 하는 리포좀.
- 1) 인지질과 유기용매를 교반하여 혼합한 다음 유기용매를 제거하여 인지질 피막을 형성하는 단계,
2) 탄소수 1 내지 4의 저급 알코올과 인산 완충용액이 혼합된 알코올성 완충액을 제조하고, 여기에 수난용성이며 알코올 가용성인 약물을 혼합하는 단계, 및,
3) 상기 1) 단계에서 제조된 인지질 피막과 상기 2) 단계에서 약물을 용해한 알코올성 완충액을 혼합하고 40 내지 70 ℃ 범위에서 교반하여 리포좀을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 리포좀의 제조방법.
- 청구항 9 에 있어서,
상기 1) 단계 종료 후 질소가스를 불어넣어 유기용매를 완전히 제거하는 단계가 추가되는 것을 특징으로 하는 리포좀의 제조방법.
- 청구항 9 에 있어서,
상기 3) 단계에서 제조된 리포좀을 초음파 분쇄기로 수욕상에서 균일하게 분산시키고 분자배제크기한도가 10,000 인 투석막을 이용하여 투석하는 단계를 추가적으로 포함하여 이루어지는 것을 특징으로 하는 리포좀의 제조방법.
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