KR102488551B1 - 사이클로덱스트린(cyclodextrin)을 이용한 경피투여용 금속유기 골격체 및 이의 제조방법 - Google Patents
사이클로덱스트린(cyclodextrin)을 이용한 경피투여용 금속유기 골격체 및 이의 제조방법 Download PDFInfo
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Abstract
Description
도 2는 폴리락타이드-글리콜라이드 공중합체(50:50)로 코팅된 사이클로덱스트린 기반의 금속유기 골격체의 방출속도 및 방출량을 확인한 도이다.
도 3는 폴리락타이드-글리콜라이드 공중합체(65:35)로 코팅된 사이클로덱스트린 기반의 금속유기 골격체의 방출속도 및 방출량을 확인한 도이다.
도 4은 폴리락타이드-글리콜라이드 공중합체(75:25)로 코팅된 사이클로덱스트린 기반의 금속유기 골격체의 방출속도 및 방출량을 확인한 도이다.
Claims (16)
- 금속유기 골격체(metal orgnic framework; MOF)에 있어서,
상기 금속유기 골격체는 사이클로덱스트린(cyclodextrin; CD) 및 금속을 포함하는 반복단위의 배위결합으로 구성되고,
골격체 내부에 활성물질을 담지하며,
골격체 외부는 생분해성 고분자로 코팅되며,
상기 금속은 Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Cd, La, W, Os, Ir, Pt, Au, Hg, Sm, Eu, Gd, Tb, Dy, Ho, Al, Ga, In, Ge, Sn, Pb, Li, Na, K, Rb, Cs, Mg, Ca, Sr 및 Ba로 이루어진 군으로부터 선택되는 1종 이상의 금속 원소 또는 이의 이온이고,
상기 생분해성 고분자는 폴리락타이드-글리콜라이드 공중합체(PLGA), 키토산(chitosan), 폴리다이옥사논(polydioxanone), 폴리락타이드-폴리카프로락톤 공중합체(PLA-PCL), 폴리글리콜라이드-폴리카프로락톤 공중합체(PGA-PCL), 폴리다이옥사논-폴리카프로락톤 공중합체(PDO-PCL), 폴리트리메틸렌카보네이트(PTMC), 폴리카보네이트(PC), 폴리부틸렌석시네이트(PBS), 폴리히드록시부틸레이트(PHB), 폴리하이드로알카노에이트(PHA) 및 폴리포스파젠(Polyphosphazene)으로 구성된 군으로부터 선택된 1종 이상이며,
활성 물질 방출은 30일 이상 지속하여 방출가능한 것인, 금속유기 골격체.
- 제1항에 있어서,
상기 사이클로덱스트린은 γ-사이클로덱스트린인 금속유기 골격체.
- 삭제
- 제1항에 있어서,
상기 금속은 포타시움(potassium) 또는 포타시움 이온인 금속유기 골격체.
- 삭제
- 제1항에 있어서,
상기 생분해성 고분자는 생분해성 공중합체인 것인 금속유기 골격체.
- 제6항에 있어서,
상기 생분해성 공중합체는 폴리락타이드-글리콜라이드 공중합체(PLGA)이고,
상기 폴리락타이드-글리콜라이드 공중합체는 락타이드와 글리콜라이드의 몰 비가 0.1 내지 9 : 1 인 금속유기 골격체.
- 제1항에 있어서,
상기 생분해성 고분자는 금속유기 골격체 1 중량부 대비 0.5 내지 10 중량부인 것인 금속유기 골격체.
- 제1항에 있어서,
상기 활성 물질은 유기산, 약물, 금속이온, 산화물 및 기체로 이루어진 군으로부터 선택되는 1종 이상인 금속유기 골격체.
- 제1항에 있어서,
상기 활성 물질은 락트산(lactic acid) 또는 이의 유도체인 금속유기 골격체.
- 제1항에 있어서,
상기 금속유기 골격체는 골격체 내부의 활성 물질을 방출할 수 있고,
활성 물질의 방출량 및 방출속도가 생분해성 고분자의 성질에 따라 제어되는 것인 금속유기 골격체.
- 제6항에 있어서,
상기 금속유기 골격체는 골격체 내부의 활성 물질을 방출할 수 있고,
활성 물질의 방출량 및 방출속도가 생분해성 공중합체의 성질 및 생분해성 공중합체의 각 단량체의 몰비에 따라 제어되는 것인 금속유기 골격체.
- 삭제
- 제11항에 있어서,
상기 활성 물질 방출은 1×10-4 내지 5×10-3 μmol/day의 속도로 방출되는 것인 금속유기 골격체.
- 제1항의 금속유기 골격체를 포함하는 경피투여용 조성물.
- 제15항에 있어서,
상기 경피투여용 조성물은 필러, 약물전달체, 의약품, 의약외품, 화장품, 피부과용 의료기기, 창상치료드레싱, 연고, 로션, 및 마이크로니들로 이루어진 군의 하나 이상에 이용되는 경피투여용 조성물.
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