KR101302703B1 - 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체와 이를 이용한 비혈관계 약물방출형 치료용 스텐트 - Google Patents
폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체와 이를 이용한 비혈관계 약물방출형 치료용 스텐트 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
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Abstract
Description
도 2는 본 발명의 일실시예에 의한 PHO/PLGA 그라프트 공중합체의 화학구조를 NMR로 분석한 도.
도 3은 본 발명의 일실시예에 의한 PHO/PLGA 그라프트공중합체 고분자에 항암제인 파클라탁셀을 담지하여 bare metal stent에 코팅한 주사전자현미경 사진을 나타낸 도.
도 4는 본 발명에 의한 파클리탁셀 방출 스텐트를 이용하여 파클리탁셀의 약물방출경향을 나타낸 도.
Claims (7)
- 인체내 흡수시 생분해성을 가지는 폴리에스테르(polyester) 또는 폴리에테르(polyether)계 고분자에 폴리하이드록시옥타노에이트(poly(3-hydroxyoctanoate), (PHO)))를 그라프트공중합시켜 형성되는 그라프트공중합체 고분자에 소수성 약물을 담지시켜 형성되는 것을 특징으로 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체.
- 제 1항에 있어서, 상기 폴리에스테르(polyester) 또는 폴리에테르(polyether)계 고분자는,
폴리락티드글리코라이드(poly(L-lactide-co-glyucolide, PLGA), 폴리락티드글리코라이드(poly(DL-lactide-co-glyucolide, PLGA), 폴리락티드(poly(L-lactide) (PLA)), 폴리락티드(poly(DL-lactide, (PLA)), 폴리글리코라이드(polyglycolide (PGA)), 폴리카프로락톤(poly(ε-carolactone) (PCL)), 폴리락티드카프로락톤(poly(L-lactide-co-carolactone)), 그리고 폴리락티드카프로락톤(poly(DL-lactide-co-carolactone), 폴리디옥사논 (polydioxanone) 중의 어느 하나임을 특징으로 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체. - 제 2항에 있어서, 상기 폴리에스테르(polyester) 또는 폴리에테르(polyether)계 고분자는,
폴리락티드글리코라이드(poly(DL-lactide-co-glyucolide), PLGA)임을 특징으로 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체. - 제 3항에 있어서, 상기 그라프트공중합체 고분자는,
PHO의 하이드록실(hydroxyl)그룹에 PLGA의 카르복실(carboxyl) 그룹을 공유결합시켜 그라프트 공중합체를 형성하는 것을 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체. - 제 1항 내지 제4항 중 어느 하나의 항에 있어서, 상기 소수성 약물은,
파클리탁셀임을 특징으로 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체. - 비혈관계 약물방출형 치료용 스텐트에 있어서,
인체내 흡수시 생분해성을 가지는 폴리에스테르(polyester) 또는 폴리에테르(polyether)계 고분자에 폴리하이드록시옥타노에이트(poly(3-hydroxyoctanoate), (PHO)))를 그라프트공중합시켜 형성되는 그라프트공중합체 고분자에 소수성 약물을 담지시킨 고분자 약물담지체가 스텐트의 표면에 코팅된 것을 특징으로 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체가 코팅된 비혈관계 약물방출형 치료용 스텐트. - 제6항에 있어서,
상기 폴리에스테르(polyester) 또는 폴리에테르(polyether)계 고분자는 폴리락티드글리코라이드( poly(DL-lactide-co-glyucolide),PLGA)이고,
상기 그라프트공중합체 고분자는 PHO의 하이드록실(hydroxyl)그룹에 PLGA의 카르복실(carboxyl) 그룹을 공유결합시켜 형성되는 그라프트 공중합체이고,
상기 소수성 약물은 파클리탁셀임을 특징으로 하는 폴리하이드록시옥타노에이트와 생분해성 고분자의 그라프트공중합체 합성에 의한 약물담지체가 코팅된 비혈관계 약물방출형 치료용 스텐트.
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KR100561788B1 (ko) | 1996-03-12 | 2006-09-20 | 피지-티엑스엘 컴파니,엘.피. | 수용성파클리탁셀전구약물을포함하는조성물및이러한조성물을포함하는이식가능한의료장치 |
KR100854985B1 (ko) | 2002-05-09 | 2008-08-28 | 헤모텍 아게 | 혈친화성 코팅을 함유하는 의료기, 이의 제조 방법 및 용도 |
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KR100561788B1 (ko) | 1996-03-12 | 2006-09-20 | 피지-티엑스엘 컴파니,엘.피. | 수용성파클리탁셀전구약물을포함하는조성물및이러한조성물을포함하는이식가능한의료장치 |
KR100854985B1 (ko) | 2002-05-09 | 2008-08-28 | 헤모텍 아게 | 혈친화성 코팅을 함유하는 의료기, 이의 제조 방법 및 용도 |
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