KR20190032799A - 주사 가능한 폴리감마글루탐산 기반의 수화겔 및 이의 제조 방법 - Google Patents
주사 가능한 폴리감마글루탐산 기반의 수화겔 및 이의 제조 방법 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
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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
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
-
- A—HUMAN NECESSITIES
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- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
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- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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Abstract
Description
도 2는 서로 다른 분자량의 키토산의 중량, 비율을 조절하여 형성한 폴리감마글루탐산 기반의 수화겔의 생체 외 배양에서의 분해거동을 나타내며, (A)는 전체 농도가 0.5중량%, (B)는 1중량%로 고정된 키토산 용액을 사용하여 관찰한 결과를 나타낸다(3:7, 5:5, 7:3은 약산성용액에 녹는 고분자량 키토산 대 수용성인 5kDa 키토산 배합비를 의미함, n=3).
도 3의 (A)는 온도 변화에 따른 수화젤의 형성을 확인한 결과를 나타내며, (B)는 온도 변화에 따른 수화젤의 손실 모듈러스 확인한 결과를 나타낸다.
도 4의 (A)는 37℃에서 7:3, 5:5 및 3:7의 약산성용액에 녹는 고분자량 키토산 대 수용성인 5kDa 키토산 배합비를 가진 0.5중량% 키토산 용액을 포함하는 폴리감마글루탐산 수화겔의 저장 모듈러스(A) 및 손실 모듈러스(B)를 나타낸다(수화겔의 총부피: 200㎕, 레오미터 측정 높이: 0.5㎜, 0.1% 변형율, 주파수 범위: 0.1rad/s 내지 10rad/s, 15㎜ PS 기하학 구조(geometry) 이용, n=3).
도 5는 폴리감마글루탐산 수화겔에 함입된 인간 염기성 섬유아성장인자(bFGF)의 방출거동을 나타낸다(n=3).
도 6은 순수 bFGF와 방출된 bFGF 간 생체활성 비교분석 결과를 나타낸다(*: p < 0.05, #: p > 0.05, n=5).
도 7은 폴리감마글루탐산 수화겔에 대한 생체 내 수화젤 형성 및 시간 경과에 따른 안정성을 나타낸다(n=3).
Claims (20)
- (a) 저온에서 폴리감마글루탐산(poly-γ-glutamic acid) 용액과 키토산(chitosan) 용액을 혼합하여 수화겔(hydrogel) 전구체를 준비하는 단계; 및
(b) 상기 수화겔 전구체를 가온하여 수화겔을 형성하는 단계
를 포함하는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 제 1 항에 있어서,
상기 저온은 0℃ 이상 15℃이하인 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 제 1 항에 있어서,
상기 가온은 인체 체온의 온도 범위에 가까운 35℃ 내지 40℃ 의 범위의 온도에서 수행되는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 제 1 항에 있어서,
상기 키토산 용액은 분자량이 상이한 2종 이상의 키토산을 혼합하여 제조되는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 제 4 항에 있어서,
상기 키토산 용액은 수용성인 저분자량의 키토산과 약산성용액에 녹는 고분자량의 키토산을 3:7에서 7:3 사이의 중량비로 혼합하여 제조되는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 제 1 항에 있어서,
상기 수화겔 중 폴리감마글루탐산과 키토산의 중량비가 30:1에서 6:1 사이인 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 제 1 항에 있어서,
상기 가온은 체내에 상기 수화겔 전구체가 주입됨으로써 수행되는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔의 제조 방법.
- 폴리감마글루탐산과 키토산이 물리적으로 혼합되어 있는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔.
- 제 8 항에 있어서,
상기 키토산은 분자량이 상이한 2종 이상의 키토산을 혼합하여 사용되는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔.
- 제 8 항에 있어서,
상기 키토산은 수용성인 저분자량의 키토산과 약산성용액에 녹는 고분자량의 키토산을 3:7에서 7:3 사이 중량비로 혼합되는 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔.
- 제 8 항에 있어서,
상기 폴리감마글루탐산과 키토산의 중량비는 30:1에서 6:1 사이 인 것을 특징으로 하는 폴리감마글루탐산-키토산 수화겔.
- 폴리감마글루탐산과 키토산을 포함하는 주사용 조성물로서,
상기 폴리감마글루탐산과 키토산은 저온에서 분리된 상태로 존재하고, 고온에서 물리적으로 결합하여 수화겔을 형성하는 것을 특징으로 하는 주사용 조성물.
- 제 12 항에 있어서,
상기 저온은 0℃ 내지 15℃인 것을 특징으로 하는 주사용 조성물.
- 제 12 항에 있어서,
상기 고온은 35℃ 내지 40℃인 것을 특징으로 하는 주사용 조성물.
- 제 12 항에 있어서,
상기 키토산 용액은 분자량이 상이한 2종 이상의 키토산을 혼합하여 제조되는 것을 특징으로 하는 주사용 조성물.
- 제 15 항에 있어서,
상기 키토산 용액은 수용성인 저분자량의 키토산과 약산성용액에 녹는 고분자량의 키토산을 3:7에서 7:3사이의 중량비로 혼합하여 제조되는 것을 특징으로 하는 주사용 조성물.
- 제 12 항에 있어서,
상기 주사용 조성물 중 폴리감마글루탐산과 키토산의 중량비는 30:1에서 6:1 사이인 것인 주사용 조성물.
- 제 12 항에 있어서,
상기 주사용 조성물은 상기 폴리감마글루탐산과 키토산은 분리된 상태로 체내에 주입되어 상기 체내에서 수화겔로 형성되는 것을 특징으로 하는 주사용 조성물.
- 제 1 항 내지 제 7 항 중 어느 한 항에 따른 폴리감마글루탐산-키토산 수화겔의 제조 방법으로 제조된 폴리감마글루탐산-키토산 수화겔.
- 제 8 항 내지 제 11 항 및 제 19 항 중 어느 한 항에 따른 폴리감마글루탐산-키토산 수화겔에, 성장인자, 단백질, ?타이드, 유전자물질, 저분자량 약물 중 어느 하나인 수용액상에 녹는 약물을 포집하여 주사형으로 전달할 수 있는 약물전달체.
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| KR101342641B1 (ko) | 2009-06-25 | 2013-12-20 | 주식회사 바이오리더스 | 폴리감마글루탐산-키토산 나노입자를 함유하는 면역보강제 조성물 |
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| WO2013100715A1 (en) | 2011-12-30 | 2013-07-04 | Samyang Biopharmaceuticals Corporation | IN SITU CROSSLINKING HYDROGEL COMPRISING γ-POLYGLUTAMIC ACID AND METHOD FOR PRODUCING THE SAME |
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| CN115806736A (zh) * | 2022-12-29 | 2023-03-17 | 中国科学院长春应用化学研究所 | 一种mmp酶响应的可注射聚氨基酸水凝胶及其制备方法和应用 |
| CN115806736B (zh) * | 2022-12-29 | 2024-03-26 | 中国科学院长春应用化学研究所 | 一种mmp酶响应的可注射聚氨基酸水凝胶及其制备方法和应用 |
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