KR101451060B1 - 이중 압출 공정으로 제조된 안과용 임플란트 - Google Patents
이중 압출 공정으로 제조된 안과용 임플란트 Download PDFInfo
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- KR101451060B1 KR101451060B1 KR1020137025447A KR20137025447A KR101451060B1 KR 101451060 B1 KR101451060 B1 KR 101451060B1 KR 1020137025447 A KR1020137025447 A KR 1020137025447A KR 20137025447 A KR20137025447 A KR 20137025447A KR 101451060 B1 KR101451060 B1 KR 101451060B1
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Abstract
Description
도 2는 350㎍ 덱사메타손 및 7000㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 래빗 눈의 유리체에서의 덱사메타손의 생체내 누적 방출 백분율을 나타낸다.
도 3은 350㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 래빗 눈의 안방수에서의 덱사메타손의 생체내 농도를 나타낸다.
도 4는 350㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 혈장(래빗 혈액 샘플에서 얻음)에서의 덱사메타손의 생체내 농도를 나타낸다.
도 5는 700㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 래빗 눈의 유리체에서의 덱사메타손의 생체내 농도를 나타낸다.
도 6은 700㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 래빗 눈의 안방수에서의 덱사메타손의 생체내 농도를 나타낸다.
도 7은 700㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 혈장(래빗 혈액 샘플에서 얻음)에서의 덱사메타손의 생체내 농도를 나타낸다.
도 8은 350㎍ 덱사메타손 및 7000㎍ 덱사메타손을 포함하는 압착 및 압출된 생분해성 임플란트를 래빗 눈의 후안부로 임플란트한 후 42일의 기간에 걸친 래빗 눈의 유리체에서의 덱사메타손의 생체내 농도를 나타낸다.
도 9는 중량비 40:0 소수성 말단 PLGA 대 친수성 말단 PLGA(312-140-2), 중량비 30:10 소수성 말단 PLGA 대 친수성 말단 PLGA(312-140-4), 중량비 20:20 소수성 말단 PLGA 대 친수성 말단(312-140-3) 및 중량비 0:40 소수성 말단 PLGA 대 친수성 말단 PLGA(312-140-1)를 가지는 60/40 w/w 덱사메타손/PLGA 임플란트로부터 37℃에서 염수 용액으로의 덱사메타손의 생체외 총 누적 방출 백분율을 나타낸다.
도 10은 60 중량% 덱사메타손, 30 중량% 친수성 말단 PLGA, 및 10 중량% 소수성말단 PLGA를 가지는 6 롯트(lot)의 압출된 임플란트에 대한 37℃에서 염수 용액으로의 덱사메타손의 생체외 누적 방출 백분율을 비교한 것이다.
도 11은 정제의 제조 공정, 본 발명의 범주에 속하는 안과용 임플란트를 제조하기 위한 단일 및 이중 압출 방법을 나타내는 순서도이다.
도 12는 정제화 또는 단일 압출 공정에 의해 제조된 안과용 임플란트에 대한 시간에 따른 생체외 방출 덱사메타손의 누적량을 나타내는 그래프이다.
도 13은 정제화 공정 및 단일 압출 공정으로 제조된 DEX PS DDS 임플란트의 주사전자현미경(SEM) 사진이다.
도 14는 밀링되지 않은 또는 밀링된 PLGA로부터 제조된 임플란트의 %LC(총 덱사메타손의 %)에 대한 배치-투-배치 변동성(batch to batch veriablility) 대 인-배치(in batch) 변동성을 나타낸 두 그래프이다.
도 15는 단일 압출 또는 이중 압출 공정으로 제조된 DEX PS DDS 임플란트로부터 덱사메타손의 생체외 방출을 나타내는 그래프이다.
도 16은 본 발명의 범주에 속하는 안과용 임플란트를 제조하기 위한 이중 압출 제조 공정을 나타내는 순서도이다.
도 17은 본 발명의 범주에 속하는 안과용 임플란트를 임플란트하기 위한 어플리케이터의 측면분해도이다.
성분 | 품질 표준 | 기능 |
덱사메타손 | Ph.Eur. | 활성 구성성분 |
50:50 PLGA 에스테르 | Allergan, Inc. | 생분해성 연장 방출 폴리머 매트릭스 |
50:50 PLGA 산 | Allergan, Inc. | 생분해성 연장 방출 폴리머 매트릭스 |
성분 | 350㎍ | 700㎍ | 대표적인 80g 배치에서의 양 |
포뮬러 번호 | 9635X | 9632X | |
덱사메타손 | 350㎍(60%) | 700㎍(60%) | 48 그램 |
0:50 PLGA 에스테르(소수성) | 50㎍(10%) | 116㎍(10%) | 8 그램 |
0:50 PLGA 산(친수성) | 175㎍(30%) | 350㎍(30%) | 24 그램 |
명칭 | 제조사 | 약물 | 제형 | 투여 방식 |
Vicryl® | Ethicon | 안과 수술에 사용되는 봉합사 | ||
Enantone® | Tadeka | 류프로렐린 | 마이크로스피어 현탁액 | 주사 (SC 또는 IM) |
Prostap® | Wyeth | 류프로렐린 아세테이트 |
마이크로스피어 현탁액 | 주사 (SC 또는 IM) |
Bigonist® | Aventis | 부세렐린 | 임플란트 | 주사(SC) |
Somatuline® | Beaufour Ipsen Pharma |
란레오타이드 아세테이트 |
마이크로스피어 현탁액 | 주사(IM) |
Sandostatin® | Novartis | 옥트레오타이드 아세테이트 |
마이크로스피어 현탁액 | 주사(IM) |
Zoladex® | Astra Zeneca | 고세릴린 아세테이트 |
임플란트 | 주사(SC) |
Risperdal consta® |
Janssen-Cilag | 리스페리돈 | 마이크로스피어 현탁액 | 주사(IM) |
Decapeptyl® | Ipsen | 트립토렐린 | 주사(IM) | |
Gonapeptyl Depot® |
Ferring Pharmaceutical |
트립토렐린 아세테이트 |
마이크로스피어 현탁액 | 주사 (SC 또는 IM) |
50:50 PLGA 에스테르 | 50:50 PLGA 산 | |
일반명 | 레소머 RG 502, PLG, PLGA, 폴리 (락타이드-글리콜라이드)산, 50:50 폴리(D,L-락타이드-코-글리콜라이드), 폴리락트/폴리글리콜산, 폴리글락틴 910 | 레소머 RG 502H, PLG 산 말단, PLGA 산 말단, 50:50 폴리(D,L-락타이드-코-글리콜라이드)산 말단 |
구조 | 여기서, n=m n=락타이드 반복 유닛의 수 m=글리콜라이드 반복 유닛의 수 z=락타이드-코-글리콜라이드 반복 유닛의 총수 |
여기서, n=m n=락타이드 반복 유닛의 수 m=글리콜라이드 반복 유닛의 수 z=락타이드-코-글리콜라이드 반복 유닛의 총수 |
CAS 번호 | 34346-01-5 | 26780-50-7 |
실험식 | [(C3H4O2)x.(C2H2O2)y]CH3, x:y=50:50 |
[(C3H4O2)x.(C2H2O2)y]OH, x:y=50:50 |
성상 | 백색 내지 거의 백색인 분말 | 백색 내지 백색에 가까운 분말 |
시험 | 상세 | 1001933 | 1004907 | 1004925 |
성상: 색깔 및 모양 | 백색 내지 거의 백색 | 거의 백색 | 거의 백색 | 거의 백색 |
향 | 무향 내지 거의 무향 | 거의 무향 | 거의 무향 | 거의 무향 |
확인 | 1H-NMR 스펙트럼이 참조에 합치 |
합치 | 합치 | 합치 |
폴리머 조성물 DL-락타이드 유닛 글리콜라이드 유닛 |
48 내지 52% 52 내지 48% |
51 49 |
51 49 |
51 49 |
고유점도 | 0.16 내지 0.24 dl/g | 0.24 | 0.19 | 0.19 |
물 | ≤0.5% | 합치 | 합치 | 합치 |
잔류 모노머 DL-락타이드 글리콜라이드 |
≤0.5% ≤0.5% |
합치 합치 |
합치 합치 |
합치 합치 |
잔류 용매 아세톤 톨루엔 총합 |
≤0.1% ≤0.089% ≤0.1% |
합치 합치 합치 |
합치 합치 합치 |
합치 합치 합치 |
주석 | ≤100 ppm | 30 | 31 | 35 |
중금속 | ≤10 ppm | 합치 | 합치 | 합치 |
황산화재 (sulphated ashes) |
≤0.1% | 합치 | 합치 | 합치 |
시험 | 상세 | 1006825 | 1008386 | 1009848 |
성상: 색깔 및 모양 | 백색 내지 백색에 가까움 | 백색 | 백색 | 거의 백색 |
향 | 무향 내지 무향에 가까움 | 무향 | 무향 | 거의 무향 |
확인 | 1H-NMR 스펙트럼이 참조에 합치 |
합치 | 합치 | 합치 |
폴리머 조성물 DL-락타이드 유닛 글리콜라이드 유닛 |
48 내지 52% 52 내지 48% |
51 49 |
51 49 |
51 49 |
고유점도 | 0.16 내지 0.24 dl/g | 0.19 | 0.19 | 0.19 |
물 | ≤0.5% | 합치 | 합치 | 합치 |
잔류 모노머 DL-락타이드 글리콜라이드 |
≤0.5% ≤0.5% |
합치 합치 |
합치 합치 |
합치 합치 |
잔류 용매 아세톤 톨루엔 |
≤0.1% ≤0.089% |
합치 합치 |
합치 합치 |
합치 합치 |
주석 | ≤200 ppm | 30 | 31 | 35 |
중금속 | ≤10 ppm | 합치 | 합치 | 합치 |
황산화재 (sulphated ashes) |
≤0.1% | 합치 | 합치 | 합치 |
산가 | 6.5kgKOH/g | 11 | 9 | 12 |
단계 | 목적 | 장치 설명 |
1 | PLGA 두가지를 밀링 | 제트 밀 |
2 | 파우더 블렌딩 | 쉐이커 |
3 | 일차 압출 | 압출기 및 포스 공급기, 풀러 어셈블리 및 필라멘트 커터 |
4 | 펠렛화 | 스테인리스 스틸 볼 및 보틀 쉐이커 |
5 | 이차 압출 | 압출기 및 포스 공급기, 풀러 어셈블리 및 필라멘트 커터 |
6 | 자동화된 DDS 절단 및 정밀검사 | 기요틴 커터 및 비젼 인스펙션 시스템 |
7-8 | 어플리케이터 조립 | 어플리케이터 로딩 설비 및 열 밀봉기 |
배치 번호 | 03J001 | 03H004 | 03M001 | |
배치 크기 | 80g | 80g | 80g | |
파라미터 | 상세 | |||
필라멘트 밀도 | 0.85 내지 1.14g/㎤ | 1.03 | 1.01 | 1.04 |
균질도 (uniformity) |
85.0 내지 115.0%(1) | 99.3 | 100.5 | 98.7 |
효능 | 97.0 내지 103.0% 레이블 세기 |
100.1 | 100.0 | 99.8 |
분해 생성물 | ≤1.5% 총합 ≤0.75% 산 ≤0.75% 케톤 ≤0.75% 알데하이드 |
0.2 ND ≤0.08 ≤0.15 |
0.2 ND ≤0.10 ≤0.10 |
0.2 ND ≤0.13 ≤0.12 |
(1) 표적 중량의 퍼센트 |
배치 번호 | 03J001 | 03H004 | 03M001 | |
배치 크기 | 80g | 80g | 80g | |
파라미터 | 상세 | |||
성상 | 백색 내지 거의 백색 | 통과 | 통과 | 통과 |
필라멘트 밀도 | 1.10 내지 1.30g/㎤ | 1.18 | 1.13 | 1.19 |
지름 | 0.0175 내지 0.0185 인치 이내에서≥80% |
100 | 100 | 100 |
파쇄 힘 파쇄 에너지 |
≥2g ≥0.9μJ |
9.88 5.88 |
9.39 4.54 |
9.52 4.64 |
수분 | ≤1.0% | 0.4 | 0.4 | 0.4 |
외래 입자 | 보이는 외래입자 없음 | 통과 | 통과 | 통과 |
불용성 물질 (오직 참고용) |
입자 카운트 지름≤10㎛ 지름≤25㎛ |
17 0.5 |
26 1 |
206 0 |
덱사메타손 확인 |
덱사메타손에 대해 양성 |
양성 | 양성 | 양성 |
효능 | 95.0 내지 105.0% 레이블 세기 |
98.5 | 101.2 | 99.9 |
분해 생성물 | ≤2% 총합 ≤0.5% 산 ≤1.0% 케톤 ≤1.0% 알데하이드 |
1.1 ND 0.4 0.7 |
0.6 ND ≤0.2 ≤0.4 |
1.0 ND 0.4 0.5 |
덱사메타손 방출 |
표 3.1.P.5.1-1 참조 |
통과 | 통과 | 통과 |
균질도 | 85.0-115.0% 레이블 세기(LS) 1 단계(n=0): 1 유닛이 범위를 벗어나서 75% 내지 125% 사이의 LS이거나 RSD ≥6.0%이면, 20 유닛을 더 실험 2단계(n=20): 1유닛 이하로 범위를 벗어나서 75% 내지 125% 사이의 LS이고 RSD ≤7.8%이면, 통과 |
97.0% 모든 수치가 범위 이내임 |
97.1% 모든 수치가 범위 이내임 |
98.0% 모든 수치가 범위 이내임 |
속성 | 상세 | |
임플란트 성상 | 백색 내지 거의 백색, 로드 모양 약물 송달 시스템(DDS), 필수적으로 외래 물질이 없음 |
|
파쇄 | 힘 | 최소 2.0g |
에너지 | 최소 0.85 μJ | |
수분 | 1% 이하 | |
외래 입자 | 눈에 보이는 외래 물질이 없음 | |
불용성 물질 | 단지 참고용으로 입자 카운트를 기록(지름 ≤10㎛ 및 ≤25㎛) | |
덱사메타손 확인 | 덱사메타손에 대하여 양성 | |
덱사메타손 효능 | 90.0 내지 110.0% LC | |
불순물 | 덱사메타손 산 0.5% HPLC 영역 이하 덱사메타손 케톤 1.0% HPLC 영역 이하 덱사메타손 알데하이드 1.0% HPLC 영역 이하 총 분해 2% HPLC 영역 이하 |
|
중량 범위 | 700㎍ 투여량: 1.050 mg 내지 1.284 mg (1.157mg±10%) 350㎍ 투여량: 0.525 mg 내지 0.642 mg (0.583mg±10%) |
|
성분 균질도 | 85% 내지 115% 레이블 클레임 | |
생체외 용해 시험 (방출된 덱사메타손 총량의 %) |
범위: 24시간: 10.0% 이하 7일: 30.0% 이하 14일: 25.0% 내지 85.0% 21일: 50% 이상 |
|
필요한 어플리케이터 작동힘 |
5.0 lbs 이하 |
Claims (13)
- 눈의 의학적 질환을 치료하기 위하여 눈의 안영역(ocular region) 내로 임플란트하고 치료학적인 양의 활성 제제를 상기 안영역으로 전달하는 생침식성 임플란트에 있어서,
a) 상기 생침식성 임플란트는, 생분해성 중합체 매트릭스 내에 균질하게 분산된 활성 제제를 포함하는, 이중 압출된 로드(rod)이고;
b) 상기 생분해성 중합체 매트릭스는 친수성 말단 폴리(D,L-락타이드-코-글리콜라이드)(PLGA)와 소수성 말단 폴리(D,L-락타이드-코-글리콜라이드)(PLGA)의 혼합물을 포함하며, 상기 친수성 말단 PLGA 및 상기 소수성 말단 PLGA는 상기 활성 제제와의 압출 전에 밀링되고,
c) 상기 생침식성 임플란트는 안영역 내에 임플란트하기 위한 크기이며;
d) 상기 눈의 의학적 질환은 포도막염, 황반부종, 황반변성, 망막박리, 안종양, 진균 감염, 바이러스 감염, 다소성 맥락막염, 당뇨병성 망막병증, 증식성 유리체망막병증(PVR), 교감성 안염, 보그트-고야나기-하라다(VKH) 증후군, 히스토플라스마증, 포도막 디퓨젼(uveal diffusion), 및 혈관 폐색(vascular occlusion)으로 구성된 그룹으로부터 선택되는 것인 생침식성 임플란트. - 제1항에 있어서, 상기 활성 제제는 안지오텐신 전환 효소(ACE) 억제제, 내재성 시토킨, 기저막에 영향을 주는 제제, 내피 세포의 성장에 영향을 주는 제제, 아드레날린성 작용제, 아드레날린성 차단제, 콜린성 작용제, 콜린성 차단제, 알도스 환원효소 억제제, 진통제, 마취제, 항알레르기제, 항염제, 항고혈압제, 혈압증진제(pressor), 항균제, 항바이러스제, 항진균제, 항원충류약물(antiprotozoal), 항감염제, 항종양제, 항대사약물, 및 신생혈관형성 억제제(antiangiogenic agent)로 구성된 그룹에서 선택되는 생침식성 임플란트.
- 제2항에 있어서, 상기 활성 제제는 스테로이드성 항염제 및 비스테로이드성 항염제로 구성된 그룹으로부터 선택되는 항염제인 생침식성 임플란트.
- 제3항에 있어서, 상기 활성 제제는 아스피린, 디클로페낙, 플루르비프로펜(flurbiprofen), 이부프로펜, 케토롤락, 나프록센 및 슈프로펜으로 구성된 그룹으로부터 선택되는 비스테로이드성 항염제인 생침식성 임플란트.
- 제3항에 있어서, 상기 활성 제제는 21-아세톡시프레그네놀론, 알클로메타손, 알제스톤(algestone), 암시노나이드, 베클로메타손, 베타메타손, 부데소나이드, 클로로프레드니손, 클로베타솔, 클로베타손, 클로코르톨론, 클로프레드놀, 코르티코스테론, 코르티손, 코르티바졸(cortivazol), 데플라자코르트(deflazacort), 데소나이드, 데속시메타손, 덱사메타손, 디플로라손(diflorasone), 디플루코르톨론, 디플루프레드네이트, 에녹솔론(enoxolone), 플루아자코르트(fluazacort), 플루클로로나이드(flucloronide), 플루메타손, 플루니솔라이드, 플루오시놀론 아세토나이드, 플루오시노나이드, 플루오코르틴 부틸, 플루오코르톨론, 플루오로메톨론, 플루페롤론 아세테이트(fluperolone acetate), 플루프레드니덴 아세테이트(fluprednidene acetate), 플루프레드니솔론, 플루란드레놀라이드(flurandrenolide), 플루티카손 프로피오네이트(fluticasone propionate), 포르모코르탈(formocortal), 할시노나이드, 할로베타솔 프로피오네이트, 할로메타손, 할로프레돈 아세테이트, 하이드로코르타메이트(hydrocortamate), 하이드로코르티손, 로테프레드놀 에타보네이트(loteprednol etabonate), 마지프레돈(mazipredone), 메드라이손(medrysone), 메프레드니손, 메틸프레드니솔론, 모메타손 푸로에이트, 파라메타손, 프레드니카르베이트, 프레드니솔론, 프레드니솔론 25-디에틸아미노-아세테이트, 프레드니솔론 소디움 포스페이트, 프레드니손, 프레드니발(prednival), 프레드나일리덴(prednylidene), 리멕솔론(rimexolone), 틱소코르톨(tixocortol), 트리암시놀론, 트리암시놀론 아세토나이드, 트리암시놀론 베네토나이드, 트리암시놀론 헥사세토나이드, 및 플루오시놀론으로 구성된 그룹으로부터 선택되는 스테로이드성 항염제인 생침식성 임플란트.
- 제5항에 있어서, 상기 스테로이드성 항염제는 임플란트의 10 중량% 내지 90 중량%를 구성하는 생침식성 임플란트.
- 제1항에 있어서, 상기 임플란트는 눈의 전안방, 후안방, 또는 유리체강(vitreous cavity) 내로 임플란트되는 생침식성 임플란트.
- 제5항에 있어서, 눈의 의학적 질환은 포도막염, 혈관 폐색, 또는 황반 부종인 생침식성 임플란트.
- 제1항에 있어서, 상기 눈의 의학적 질환은 포도막염이고, 상기 활성 제제는 덱사메타손인 생침식성 임플란트.
- 제1항에 있어서, 밀링된 PLGA의 평균 입자 크기는 20 ㎛ 이하인 생침식성 임플란트.
- 제1항에 있어서, 상기 눈의 의학적 질환은 황반 부종이고, 상기 활성 제제는 덱사메타손인 생침식성 임플란트.
- 제1항에 있어서, 상기 활성 제제는 덱사메타손의 입자들을 포함하고, 상기 덱사메타손의 입자들의 적어도 75%은 지름이 20 ㎛ 미만인 생침식성 임플란트.
- 제1항에 있어서, 상기 생침식성 임플란트 중 친수성 말단 PLGA 대 소수성 말단 PLGA의 비는 중량 기준으로 3:1인 생침식성 임플란트.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/918,597 | 2004-08-13 | ||
US10/918,597 US20050048099A1 (en) | 2003-01-09 | 2004-08-13 | Ocular implant made by a double extrusion process |
PCT/US2005/026500 WO2006036280A1 (en) | 2004-08-13 | 2005-07-25 | Ocular implant made by a double extrusion process |
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KR1020077003441A Division KR101365772B1 (ko) | 2004-08-13 | 2005-07-25 | 이중 압출 공정으로 제조된 안과용 임플란트 |
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KR20130109265A KR20130109265A (ko) | 2013-10-07 |
KR101451060B1 true KR101451060B1 (ko) | 2014-10-14 |
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KR1020137025447A Expired - Lifetime KR101451060B1 (ko) | 2004-08-13 | 2005-07-25 | 이중 압출 공정으로 제조된 안과용 임플란트 |
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