KR20190049930A - 리포좀 나노입자에 사용하기 위한 변형된 약물 - Google Patents
리포좀 나노입자에 사용하기 위한 변형된 약물 Download PDFInfo
- Publication number
- KR20190049930A KR20190049930A KR1020197012513A KR20197012513A KR20190049930A KR 20190049930 A KR20190049930 A KR 20190049930A KR 1020197012513 A KR1020197012513 A KR 1020197012513A KR 20197012513 A KR20197012513 A KR 20197012513A KR 20190049930 A KR20190049930 A KR 20190049930A
- Authority
- KR
- South Korea
- Prior art keywords
- group
- drug
- derivative
- optionally substituted
- alkyl
- Prior art date
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- 239000000203 mixture Substances 0.000 claims abstract description 111
- 238000011068 loading method Methods 0.000 claims abstract description 75
- 238000009472 formulation Methods 0.000 claims abstract description 61
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- 239000012528 membrane Substances 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims description 82
- 125000005843 halogen group Chemical group 0.000 claims description 63
- 125000000217 alkyl group Chemical group 0.000 claims description 60
- -1 phosphatidyl choline lipid Chemical class 0.000 claims description 60
- 229910052757 nitrogen Inorganic materials 0.000 claims description 58
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 45
- 125000005842 heteroatom Chemical group 0.000 claims description 44
- 229910052760 oxygen Inorganic materials 0.000 claims description 42
- 229910052717 sulfur Inorganic materials 0.000 claims description 42
- 125000000623 heterocyclic group Chemical group 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 36
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- 125000003118 aryl group Chemical group 0.000 claims description 25
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- 125000001072 heteroaryl group Chemical group 0.000 claims description 24
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- NRUKOCRGYNPUPR-QBPJDGROSA-N teniposide Chemical compound COC1=C(O)C(OC)=CC([C@@H]2C3=CC=4OCOC=4C=C3[C@@H](O[C@H]3[C@@H]([C@@H](O)[C@@H]4O[C@@H](OC[C@H]4O3)C=3SC=CC=3)O)[C@@H]3[C@@H]2C(OC3)=O)=C1 NRUKOCRGYNPUPR-QBPJDGROSA-N 0.000 claims description 3
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 72
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- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 description 18
- OGWKCGZFUXNPDA-XQKSVPLYSA-N vincristine Chemical compound C([N@]1C[C@@H](C[C@]2(C(=O)OC)C=3C(=CC4=C([C@]56[C@H]([C@@]([C@H](OC(C)=O)[C@]7(CC)C=CCN([C@H]67)CC5)(O)C(=O)OC)N4C=O)C=3)OC)C[C@@](C1)(O)CC)CC1=C2NC2=CC=CC=C12 OGWKCGZFUXNPDA-XQKSVPLYSA-N 0.000 description 18
- OGWKCGZFUXNPDA-UHFFFAOYSA-N vincristine Natural products C1C(CC)(O)CC(CC2(C(=O)OC)C=3C(=CC4=C(C56C(C(C(OC(C)=O)C7(CC)C=CCN(C67)CC5)(O)C(=O)OC)N4C=O)C=3)OC)CN1CCC1=C2NC2=CC=CC=C12 OGWKCGZFUXNPDA-UHFFFAOYSA-N 0.000 description 18
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- GZDFHIJNHHMENY-UHFFFAOYSA-N Dimethyl dicarbonate Chemical compound COC(=O)OC(=O)OC GZDFHIJNHHMENY-UHFFFAOYSA-N 0.000 description 16
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- A61K47/545—Heterocyclic compounds
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Abstract
Description
도 2. LN으로의 도세탁셀 유도체의 로딩. 상기 유도체는 LN 내의 300 mM 황산암모늄 및 pH 5로 완충된 외부 황산암모늄-무함유 매질에 의해 형성된 pH (암모늄 이온) 구배를 통해 60℃에서의 인큐베이션에 의해 DSPC/Chol LN으로 로딩되었다. (A) 도세탁셀 전구약물 TD1의 로딩 효율 (전구약물/지질 비율 0.1 wt/wt (■), 0.2 wt/wt (◆) 및 0.4 wt/wt (▲)). (B) DSPC/Chol LN과 인큐베이션한 도세탁셀의 C-2'-피페라지닐 에스테르 (TD1 내지 TD3), C-2'-피페리딘 에스테르 (TD7) 및 C-7-아미노 에스테르 (TD10) 유도체의 로딩 효율 (전구약물/지질 비율 0.2 wt/wt).
도 3. LN으로의 프레드니손 유도체의 로딩. 상기 유도체는 LN 내의 300 mM 황산암모늄 및 pH 5로 완충된 외부 황산암모늄-무함유 매질에 의해 형성된 pH (암모늄 이온) 구배를 통해 60℃에서 DSPC/Chol LN으로 로딩되었다. (A) 모 약물 (■)에 대한 프레드니손의 N-메틸-피페라지닐 부탄산 에스테르 유도체 (◆)의 로딩 효율 (약물/지질 비율 0.12 wt/wt). 프레드니손 유도체는 자발적으로는 LN 이중층으로 분배되지 않았기 때문에, 황산암모늄 (pH) 구배 없이는 LN 운반체와 결합된 유도체의 양이 측정가능하지 않았다. (B) 60℃에서 15분 동안의 인큐베이션 후, 다양한 길이의 링커를 갖는 프레드니손 유도체의 로딩 효율: N-메틸-피페라지닐 부탄산 에스테르 (B) 및 N-메틸-피페라지닐 아세트산 에스테르 (E) 유도체의 비교. N-메틸-피페라지닐 부탄산 에스테르 유도체는 100% 로딩 효율을 나타낸 반면, N-메틸-피페라지닐 아세트산 에스테르 유도체는 약 75% 로딩 효율을 나타냈다.
도 4. LN으로의 에토포시드 유도체의 로딩. N-메틸-피페라지닐 부탄산 에스테르 유도체는 LN 내의 300 mM 황산암모늄 및 pH 5로 완충된 외부 황산암모늄-무함유 매질에 의해 형성된 pH (암모늄 이온) 구배를 통해 60℃에서 DMPC/Chol LN으로 로딩되었다. 상기 유도체는 약물/지질 비율 0.16 wt/wt에서 60℃에서 15분 동안의 인큐베이션시에 100% 로딩 효율을 나타냈다.
도 5. 제제 안정성. 상이한 지질 조성 (DSPC/Chol, DPPC/Chol 및 DMPC/Chol)을 갖는 LN-도세탁셀 유도체 제제의 안정성을 저온 저장 (7℃) 상태로 4개월의 기간에 걸쳐 조사하였다. 상기 제제의 전구약물/지질 비율은 0.2 wt/wt였다. (A) 전구약물 가수분해: 모 약물 (도세탁셀)의 증가가 UHPLC로 결정되었다. (B) LN 내에 보유된 전구약물의 비율(%). (C) 동적 광 산란으로 결정한 LN 크기 및 다분산성.
도 6. 마우스에서의 i.v. 투여 후 탁소테레™ (▲), 탁소테레™와 동일한 방식으로 제제화된 TD1 (에탄올/폴리소르베이트 80/생리 염수) (■) 및 TD1의 DSPC/Chol LN 제제 (전구약물/지질 비율 0.2 (wt/wt)) (◆)의 혈장 제거 프로파일. 암컷 스위스 웹스터(Swiss Webster) 마우스에게 다양한 제제의 단일 용량을 도세탁셀 동몰 용량 (도세탁셀 20 mg/kg)으로 하여 정맥내 주사하였다. 혈장 중 전구약물 수준을 UHPLC-MS로 결정하였다. 데이타 점은 각 군의 마우스 (n = 4)로부터의 평균 값±표준 편차를 나타낸다.
도 7. 혈장 약물 보유 프로파일. DSPC/Chol (◆), DPPC/Chol (■) 및 DMPC/Chol (▲) LN 제제 중 도세탁셀 유도체 TD1의 보유율을 시험관내 (A) 및 생체내 (B)에서 결정하였다. DSPC/Chol LN 중 TD1의 시험관내 보유율을 마우스 혈장에서 동일한 약물/지질 비율로 DSPC/Chol LN 내에 제제화된 다른 도세탁셀 유도체 (TD2, TD3 및 TD7)와 비교하였다 (C). 미량의 방사성표지된 지질 [3H]-CHE를 함유하는 LN 제제를 암컷 스위스 웹스터 마우스에게 도세탁셀 20 mg/kg과 동등한 용량으로 정맥내 주사하거나 마우스 혈장 중에 37℃에서 시험관내 인큐베이션하였다. 표시한 시점에 채취한 혈장 샘플을 지질 및 전구약물 함량에 대하여 각각 액체 섬광 계수 및 UHPLC로 분석하였다. 시험관내 보유 연구의 경우, 포획되지 않은 (방출된) 약물을 세파덱스 G50(Sephadex G50) 스핀 컬럼을 사용한 크기 배제 크로마토그래피를 통해 혈장 샘플로부터 제거한 후에 지질 및 약물 함량의 분석을 실시하였다. 데이타 점은 평균±표준 편차를 나타낸다 (n = 4).
도 8. 항암 효능. Rag2M 마우스에서 탁소테레™ 및 LN-포획된 TD1 처치에 대한 피하 MDA435/LCC6 인간 유방 암종 이종이식편의 반응. (A) 다양한 LN 제제를 처치하여 효능에 대한 지질 조성의 효과를 결정하였다. LN 제제 (전구약물/지질 비율 0.2 wt/wt)는 DSPC/Chol (■), DPPC/Chol (▲) 및 DMPC/Chol 로 구성되었고, 도세탁셀 40 mg/kg과 동등한 용량으로 투여하였다. 미처치 대조군에게는 염수 주사 (◆)를 실시하였다. (B) 도세탁셀 25 (x), 40 및 88 (▲) mg/kg과 동등한 용량으로 투여한 DSPC/Chol LN 제제 (전구약물/지질 비율 0.2 wt/wt)에 대한 용량-반응. 미처치 대조군에게는 염수 주사 (◆)를 실시하였다. 비교를 위해서 도세탁셀 25 mg/kg의 탁소테레™ (■)를 포함시켰다. (C) 탁소테레™ 및 88 mg/kg DSPC/Chol LN 제제의 비교. 종양 성장 곡선을 표준 편차와 함께 나타냈다. 처치는 제35일에 단일 i.v. 볼루스(bolus) 주사로 시작하였다. 점은 상대적인 종양 부피 (주어진 시점에서 측정한 종양 부피/처치일에 측정한 종양 부피의 비율)의 평균을 나타낸다. 군 1개 당 6마리 마우스에 대한 평균 값을 제시하였다.
도 9. A431 종양을 갖는 SCID 마우스에서 i.v. 주사된, 유리 빈크리스틴 (VCR) (2 mg/kg) 및 100 nm 난 스핑고마이엘린/콜레스테롤 LN 내에 포획된 빈크리스틴 (2 mg/kg)의 생체내 역학 및 항암 활성. (8A) 혈액 혈장 중 유리 VCR (□) 및 LN-제제화된 VCR (●)의 시간 경과에 따른 농도 프로파일. 유리 VCR은 순환계로부터 신속하게 제거되는 반면, LN-제제화된 VCR은 연장된 순환 반감기를 갖는다. (8B) LN 제제로부터 유리 VCR (●)의 시간 경과에 따른 방출 (보유율(%)). LN-제제화된 VCR은 순환계에서 서방형 방출 프로파일을 나타낸다. (8C) 유리 VCR (□) 및 LN-제제화된 VCR (●)의 투여 후 VCR의 시간 경과에 따른 종양 농도 (㎍/mL). LN-제제화된 VCR의 연장된 반감기 및 서방형 방출 프로파일로 인해, VCR의 종양 축적이 시간 경과에 따라 증가하였다. (8D) 염수 대조군 (■)과 비교한, 유리 VCR (□) 및 LN-제제화된 VCR (●)의 항암 활성. LN-제제화된 VCR은 유리 화합물보다 유의하게 더 높은 항암 활성을 가졌다. 나노-리포좀 제제는 종양 성장 부위에 도달하는 약물의 양을 증가시키고 치료 활성 수준의 약물에 노출되는 기간을 연장시켜서 항-종양 활성을 증가시킨다.
도 10. 약물에 위치한 히드록실기의 에스테르화를 기초로 하는, 약염기 약물 유도체의 합성에 이용된 화학 전략의 예시적 개략도.
Claims (35)
- 하기 화학식 I의 약물 유도체 또는 그의 제약상 허용가능한 염:
<화학식 I>
여기서,
D는 포도필로톡신 유도체이고;
n은 1, 2, 또는 3이고;
Z는 하기 화학식 II의 리포좀 가용화 단위이고:
<화학식 II>
여기서,
[L]은 카르복시, 카르복시아미도 및 알킬 실릴로 구성된 군으로부터 선택되는 링커이고,
[S]는
C1-C10알킬, C2-C10알케닐 및 C2-C10알키닐(각각은 할로; C1-C10알킬; 시클로알킬; 및 -YR2로 구성된 군으로부터 선택되는 1개 이상의 치환기로 임의로 치환되고, 여기서,
Y는 N, O, S 및 Si로 구성된 군으로부터 선택되는 헤테로원자이고,
R2는 H; N, O 및 S로 구성된 군으로부터 선택되는 헤테로원자; C1-C10알킬; 및 시클로알킬(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 선택됨);
-YR2로 1회 이상 임의로 치환된 C1-C10헤테로알킬
(여기서,
Y는 N, O, S 및 Si로 구성된 군으로부터 선택되는 헤테로원자이고;
R2는 H; N, O 및 S로 구성된 군으로부터 선택되는 헤테로원자; C1-C10알킬; 및 시클로알킬(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 선택됨); 및
시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨)
로 구성된 군으로부터 선택되는 스페이서이고;
[N]은 하기 화학식 III의 가용화 도메인이고,
<화학식 III>
여기서,
R 및 R'는 H; C1-C10알킬, C2-C10알케닐, C2-C10알키닐(각각은 할로로 임의로 치환됨); 시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨); 및 양성자화가능한 질소-함유 헤테로시클릭 시스템으로 구성된 군으로부터 독립적으로 선택되거나; 또는
R과 R'는 이것들이 부착된 질소 원자와 함께 4개 또는 5개의 탄소 원자를 갖는 헤테로시클릭 고리를 형성하고, 이것은 고리 시스템 내에 다중 고리 중 하나를 포함할 수 있다. - 제1항에 있어서, [N]의 pKa가 5.5 이상인 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제1항에 있어서, [N]의 pKa가 12.0 이하인 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제1항에 있어서, 수성 내부를 갖는 리포좀 나노입자로 능동적으로 로딩시키기에 적합한 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제4항에 있어서, 리포좀 나노입자의 수성 내부로 능동적으로 로딩시키기에 적합한 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제5항에 있어서, 리포좀 나노입자의 수성 내부가 외부 매질에 비해 산성인 pH를 갖는 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제4항에 있어서, 능동적으로 로딩시키기에 적합하여 리포좀 나노입자 막 내에 보유되거나 리포좀 나노입자 막과 안정적으로 결합되는 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제7항에 있어서, [N]이 하기 화학식 IVa 또는 IVb의 기로부터 선택되는 것인 약물 유도체 또는 그의 제약상 허용가능한 염:
<화학식 IVa>
<화학식 IVb>
여기서,
A는 카르보닐, 메틸렌 및 NR-C=O(여기서, R은 H 또는 C1-C5알킬임)로 구성된 군으로부터 선택되고;
R1 및 R2는 선형 또는 분지형 C1-C30알킬, C2-C30알케닐 및 C2-C30알키닐로 구성된 군으로부터 독립적으로 선택되고;
R3 및 R4는 H; C1-C10알킬, C2-C10알케닐, C2-C10알키닐(각각은 할로로 임의로 치환됨); 및 시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 독립적으로 선택되거나; 또는
R3과 R4가 이것들이 부착된 질소 원자와 함께 4개 또는 5개의 탄소 원자를 갖는 헤테로시클릭 고리를 형성하고, 이것은 고리 시스템 내에 다중 고리 중 하나를 포함할 수 있다. - 제1항의 약물 유도체 또는 그의 제약상 허용가능한 염의 리포좀 나노입자 제제.
- 제9항에 있어서, 약물 유도체 또는 그의 제약상 허용가능한 염을 수성 내부를 갖는 리포좀 나노입자로 능동적으로 로딩시켜 형성된 리포좀 나노입자 제제.
- 제10항에 있어서, 약물 유도체 또는 그의 제약상 허용가능한 염이 리포좀 나노입자의 수성 내부 내에 보유되는 리포좀 나노입자 제제.
- 제11항에 있어서, 리포좀 나노입자의 수성 내부가 외부 매질에 비해 산성인 pH를 갖는 리포좀 나노입자 제제.
- 제10항에 있어서, 약물 유도체 또는 그의 제약상 허용가능한 염이 리포좀 나노입자 막 내에 보유되거나 리포좀 나노입자 막과 안정적으로 결합된 리포좀 나노입자 제제.
- 제13항에 있어서, [N]이 하기 화학식 IVa 또는 IVb의 기인 리포좀 나노입자 제제:
<화학식 IVa>
<화학식 IVb>
상기 식에서,
A는 카르보닐, 메틸렌 및 NR-C=O(여기서, R은 H 또는 C1-C5알킬임)로 구성된 군으로부터 선택되고;
R1 및 R2는 선형 또는 분지형 C1-C30알킬, C2-C30알케닐 및 C2-C30알키닐로 구성된 군으로부터 독립적으로 선택되고;
R3 및 R4는 H; C1-C10알킬, C2-C10알케닐, C2-C10알키닐(각각은 할로로 임의로 치환됨); 및 시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 독립적으로 선택되거나; 또는
R3과 R4가 이것들이 부착된 질소 원자와 함께 4개 또는 5개의 탄소 원자를 갖는 헤테로시클릭 고리를 형성하고, 이것은 고리 시스템 내에 다중 고리 중 하나를 포함할 수 있다. - 제9항의 리포좀 나노입자 제제 및 제약상 허용가능한 부형제를 포함하는 제약 조성물.
- 하기 화학식 II의 리포좀 가용화 단위 (Z)를 약물에 접합시키는 것을 포함하는, LN으로의 약물 로딩이 용이해지도록 약물을 변형시키는 방법:
<화학식 II>
여기서,
[L]은 카르복시, 카르복시아미도 및 알킬 실릴로 구성된 군으로부터 선택되는 링커이고,
[S]는
C1-C10알킬, C2-C10알케닐 및 C2-C10알키닐(각각은 할로, C1-C10알킬, 시클로알킬 및 -YR2로 구성된 군으로부터 선택되는 1개 이상의 치환기로 임의로 치환되고, 여기서,
Y는 N, O, S 및 Si로 구성된 군으로부터 선택되는 헤테로원자이고,
R2는 H; N, O 및 S로 구성된 군으로부터 선택되는 헤테로원자; C1-C10알킬; 및 시클로알킬(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 선택됨);
-YR2로 1회 이상 임의로 치환된 C1-C10헤테로알킬
(여기서,
Y는 N, O, S 및 Si로 구성된 군으로부터 선택되는 헤테로원자이고;
R2는 H; N, O 및 S로 구성된 군으로부터 선택되는 헤테로원자; C1-C10알킬; 및 시클로알킬(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 선택됨); 및
시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨)
로 구성된 군으로부터 선택되는 스페이서이고;
[N]은 하기 화학식 III의 가용화 도메인이고;
<화학식 III>
여기서,
R 및 R'는 H; C1-C10알킬, C2-C10알케닐, C2-C10알키닐(각각은 할로로 임의로 치환됨); 시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨); 및 양성자화가능한 질소-함유 헤테로시클릭 시스템으로 구성된 군으로부터 독립적으로 선택되거나; 또는
R과 R'가 이것들이 부착된 질소 원자와 함께 4개 또는 5개의 탄소 원자를 갖는 헤테로시클릭 고리를 형성하고, 이것은 고리 시스템 내에 다중 고리 중 하나를 포함할 수 있고;
여기서, 약물은 포도필로톡신 유도체임. - 하기 화학식 II의 리포좀 가용화 단위 (Z)를 약물에 접합시켜서 약물 유도체 또는 그의 제약상 허용가능한 염을 형성하는 단계, 및
상기 약물 유도체 또는 그의 제약상 허용가능한 염을 수성 내부를 갖는 리포좀 나노입자로 능동적으로 로딩시키는 단계
를 포함하는, 약물을 리포좀 나노입자로 로딩시키는 방법:
여기서, 약물은 포도필로톡신 유도체이고,
<화학식 II>
[L]은 카르복시, 카르복시아미도 및 알킬 실릴로 구성된 군으로부터 선택되는 링커이고,
[S]는
C1-C10알킬, C2-C10알케닐 및 C2-C10알키닐(각각은 할로, C1-C10알킬, 시클로알킬 및 -YR2로 구성된 군으로부터 선택되는 1개 이상의 치환기로 임의로 치환되고, 여기서,
Y는 N, O, S 및 Si로 구성된 군으로부터 선택되는 헤테로원자이고,
R2는 H; N, O 및 S로 구성된 군으로부터 선택되는 헤테로원자; C1-C10알킬; 및 시클로알킬(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 선택됨);
-YR2로 1회 이상 임의로 치환된 C1-C10헤테로알킬
(여기서,
Y는 N, O, S 및 Si로 구성된 군으로부터 선택되는 헤테로원자이고,
R2는 H; N, O 및 S로 구성된 군으로부터 선택되는 헤테로원자; C1-C10알킬; 및 시클로알킬(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 선택됨); 및
시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨)
로 구성된 군으로부터 선택되는선택되는서이고;
[N]은 하기 화학식 III의 가용화 도메인이고;
<화학식 III>
여기서,
R 및 R'는 H; C1-C10알킬, C2-C10알케닐, C2-C10알키닐(각각은 할로로 임의로 치환됨); 시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨); 및 양성자화가능한 질소-함유 헤테로시클릭 시스템으로 구성된 군으로부터 독립적으로 선택되거나; 또는
R과 R'가 이것들이 부착된 질소 원자와 함께 4개 또는 5개의 탄소 원자를 갖는 헤테로시클릭 고리를 형성하고, 이것은 고리 시스템 내에 다중 고리 중 하나를 포함할 수 있다. - 제17항에 있어서, 약물 유도체 또는 그의 제약상 허용가능한 염이 리포좀 나노입자의 수성 내부로 능동적으로 로딩되는 것인 방법.
- 제18항에 있어서, 리포좀 나노입자의 수성 내부가 외부 매질에 비해 산성인 pH를 갖는 것인 방법.
- 제18항에 있어서, 약물 유도체 또는 그의 제약상 허용가능한 염이 능동적으로 로딩되어 이것이 리포좀 나노입자 막 내에 보유되거나 리포좀 나노입자 막과 안정적으로 결합된 것인 방법.
- 제20항에 있어서, [N]이 하기 화학식 IVa 또는 IVb의 기인 방법:
<화학식 IVa>
<화학식 IVb>
여기서,
A는 카르보닐, 메틸렌 및 NR-C=O(여기서, R은 H 또는 C1-C5알킬임)로 구성된 군으로부터 선택되고;
R1 및 R2는 선형 또는 분지형 C1-C30알킬, C2-C30알케닐 및 C2-C30알키닐로 구성된 군으로부터 독립적으로 선택되고;
R3 및 R4는 H; C1-C10알킬, C2-C10알케닐, C2-C10알키닐(각각은 할로로 임의로 치환됨); 및 시클로알킬, 헤테로시클릴, 아릴 및 헤테로아릴(각각은 할로로 임의로 치환됨)로 구성된 군으로부터 독립적으로 선택되거나; 또는
R3과 R4가 이것들이 부착된 질소 원자와 함께 4개 또는 5개의 탄소 원자를 갖는 헤테로시클릭 고리를 형성하고, 이것은 고리 시스템 내에 다중 고리 중 하나를 포함할 수 있다. - 제1항에 있어서, 포도필로톡신 유도체가 에토포시드 또는 테니포시드인 약물 유도체 또는 그의 제약상 허용가능한 염.
- 제22항의 약물 유도체 또는 그의 제약상 허용가능한 염의 리포좀 나노입자 제제.
- 제17항에 있어서, 포도필로톡신 유도체가 에토포시드 또는 테니포시드인 방법.
- 제1항, 제26항 또는 제27항 중 어느 한 항의 약물 유도체를 제약상 허용가능한 운반체와 혼합하여 포함하는 암 치료용 제약 제제.
- 제28항에 있어서, 상기 제약상 허용가능한 운반체는 리포좀을 포함하는제약 제제.
- 제29항에 있어서, 리포좀 입자 크기가 80 nm 내지 120 nm인 제약 제제.
- 제1항, 제26항 또는 제27항 중 어느 한 항의 약물 유도체 또는 그의 제약상 허용가능한 염, 포스파티딜 콜린 지질, 및 콜레스테롤을 포함하는 리포좀 조성물.
- 제31항에 있어서, 상기 포스파티딜 콜린 지질은 C14 내지 C22 포화 지방산 포스파티딜 콜린 지질로 구성된 군으로부터 선택되는 리포좀 조성물.
- 제32항에 있어서, 콜레스테롤:포스파티딜 콜린 지질의 몰비가 0.1 내지 1.0인 리포좀 조성물.
- 제33항에 있어서, 상기 리포좀에 대한 중합체 층 코팅을 더 포함하는 리포좀 조성물.
- 제34항의 리포좀 조성물을 포함하는 제약 제제.
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KR101830018B1 (ko) * | 2008-05-23 | 2018-02-19 | 더 유니버시티 오브 브리티쉬 콜롬비아 | 리포좀 나노입자에 사용하기 위한 변형된 약물 |
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