KR20180098705A - Vegf를 억제하는 안정하고 가용성인 항체 - Google Patents
Vegf를 억제하는 안정하고 가용성인 항체 Download PDFInfo
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Abstract
Description
도 2는 578max의 사람, 마우스 및 래트 VEGF에 대한 결합 반응속도를 확인하여 종 특이성을 나타낸 것이다. 도 2a는 사람 VEGF165에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 7,00E+05; SE (ka): 1.40E+03; kd(l/s): 3,07E-04; SE(kd): 8,50E-07; KD(M): 4,39E-IO. 도 2b는 마우스 VEGF164에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): l,03E+06; SE (ka): 2,30E+03; kd(l/s): 4,40E-04; SE(kd): 9,40E-07; KD(M): 4,29E-IO. 도 2c는 래트 VEGF164에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 8,83E+05; SE (ka): 2,50E+03; kd(l/s): 5,28E-04; SE(kd): l,20E-06; KD(M): 5,98E-10.
도 3은 578max의 VEGF 아이소폼(isoforms) (hVEGFl21 및 hVEGFl10)에 대한 결합 반응속도를 나타낸 것이다. 도 3a는 사람 VEGF 165에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 7,00E+05; SE (ka): 1.4E+03; kd(l/s): 3,07E-04; SE(kd): 8,50E-07; KD(M): 4,39E-1O. 도 3b는 사람 VEGF121에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 5,87E+05; SE (ka): 1.20E+03; kd(l/s): 5,58E-04; SE(kd): 9,60E-07; KD(M): 9,50E-11. 도 3c는 사람 VEGFl10에 대해 얻어진 데이터를 나타낸다: Ka (I/Ms): 5,23E+05; SE (ka): 1.3OE+O3; kd(l/s): 7,22E-04; SE(kd): 8,10E-07; KD(M): 1.38E-09.
도 4는 578max, 578minmax 및 578wt의 hVEGF165에 대한 결합 반응속도를 나타낸 것이다. 도 4a는 578max에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 7,00E+05; SE (ka): 1.40E+03; kd(l/s): 3,07E-04; SE(kd): 8,50E-07; KD(M): 4,39E-IO. 도 4b는 578minmax에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 8,06E+05; SE (ka): 2,10E+03; kd(l/s): 5,04E-04; SE(kd): l,10E-06; KD(M): 6,25E-IO. 도 4c는 578wt-His에 대해 얻어진 데이터를 나타낸다: Ka(1/Ms): 8,45E+05; SE (ka): 1.60E+03; kd(l/s): l,69E-04; SE(kd): 7,60E-07; KD(M): 2,00E-IO.
도 5는 578max, 578minmax 및 578minmax_DHP의 열 안정성을 나타낸 것이다(FT-IR에 의해 측정된 언폴딩). 도 5a: 578minmax (ESBA903): Tm = 71.1 ℃; 도 5b: 578minmax_DHP (#961): Tm = 70.2 ℃; 도 5c: 578max (#821): Tm = 70.4 ℃.
도 6은 30분 동안의 열적 스트레스(도 6a: 50 ℃, 도 6b: 60 ℃, 도 6c: 70 ℃) 후 578 유도체의 변성 및 침전을 나타낸 것이다.
도 7은 578max, 578minmax 및 578minmax_DHP의 용해도(암모늄 설페이트 침전에 의해 측정)를 나타낸 것이다. 도 7a: 578max (#821). V50은 27,24 %였다. 도 7b: 578minmax (ESBA903). V50은 28,13 %였다. 도 7c: 578minmax_DHP (#961). V50은 32,36 %였다.
도 8은 VEGFR2 경쟁적 ELISA 대 포텐시(potency)를 측정하는 방법인 HUVEC 에세이를 나타낸 것이다. 도 8a: VEGFR2 경쟁적 ELISA에서 Lucentis와 511max (#802)의 비교. Lucentis의 R2: 0,9417; ESBA802의 R2: 0,9700. Lucentis의 EC50: 7,137 nM; #802의 EC50: 0.8221 nM. 도 8b: VEGFR2 경쟁적 ELISA에서 Lucentis와 578max (#821)의 비교. 도 8c: HUVEC 에세이에서 Lucentis, 511maxC-his 및 534max의 비교. Lucentis의 R2: 0.9399; EP511maxC-his의 R2: 0.9313, EP534max의 R2: 0.7391. Lucetins의 EC50: 0.08825 nM, 51lmaxC-his의 EC50: 0,7646 nM, 534max의EC50: 63.49 nM. 도 8d: HUVEC 에세이에서 Lucentis, 578min 및 578max의 비교. Lucentis의 R2: 0,9419, EP578min의 R2: 0,8886, EP578max의 R2: 0,9274. Lucentis 의 EC50: 0,1529 nM, 578min의 EC50: 1,528 nM, 578max의 EC50: 0,1031 nM.
도 9는 hVEGF165에 의해 유도된 HUVEC 증식에 대한 578minmax 의 효과를 나타낸 것이다. 이 에세이의 매개변수들은 다음과 같다: hVEGF165 농도: 0,08nM (3ng/ml); VEGF와 테스트 항목과의 인큐베이션: 96h. Lucentis에 대한 EC50은 0,08959 nM였고 578minmax에 대하여는 0,05516 nM였으며, Lucentis의 R2는 0,9066 이었고 578minmax의 R2는 0,9622였다.
도 10은 마우스 VEGF 164와 래트 VEGF 164에 의해 유도된 HUVEC 증식에 대한 578minmax의 효과를 나타낸 것이다. 이 에세이의 매개변수들은 다음과 같다: 마우스 VEGF 164의 농도: 0,08nM (3ng/ml); 래트 VEGF 164의 농도: 0,3nM (11.3 ng/ml). 2개의 농도는 모두 VEGF로 유도된 HUVEC 증식에 대한 EC90에서 선택되었다. VEGF와 테스트 항목과의 인큐베이션: 96h. 도 10a는 마우스 VEGF에 대해 얻어진 데이터를 나타낸 것이다. EC50은 V1253에 대하여는 0,1196 nM였고 578minmax에 대하여는 0,06309 nM였으며, R2는 Lucetins에 대하여는 0.02744, V1253에 대하여는 0.9348 및 EP578minmax에 대하여는 0.9767이었다. Lucentis는 마우스 VEGF로 유도된 HUVEC 증식을 억제하지 않았다. 도 10b는 래트 VEGF에 대해 얻어진 데이터를 나타낸 것이다. EC50은 V1253에 대하여는 1,597nM였고 578minmax에 대하여는 0,06974였으며, R2는 Vl253에 대하여는 0,7664였고 578minmax에 대하여는 0,6635였다.
도 11은 누드 기니아 피그에서 Miles 에세이를 사용한 효능 시험을 나타낸 것이다(파트 I). 알마 블루 1 염료를 누드 기니아 피그의 정맥 내로 투여하였다. 염료를 주사하고 1시간 후에 hVEGF (2,61nM)와 Lucentis, ESBA903 또는 #802 각각의 예비혼합물 2를 기니아 피그 3의 피부에 주사하였다. 용액을 주사한 1시간 후에 상기 동물 3을 안락사시키고 가죽을 수집하여 세척한 다음, 입사 및 투과광을 사용하여 디지털사진을 촬영하였다. 주사 부위 내로 혈관외 유출된 Evans Blue 염료의 면적을 이미지 J를 사용하여 평가하고 투약 면적 정체를 표시하였다.
도 12는 누드 기니아 피그에서 Miles 에세이를 사용한 효능 시험을 나타낸 것이다(파트 I). 도 12a는 #803 (511max)에 대해 얻어진 결과를 나타낸다. EC50은 5,99O nM였고 2,060과 17,41 nM 사이에서 통계적 분포를 나타내었고 R2는 0.5800이었다. 도 12b는 ESBA903 (578minmax)에 대한 결과를 나타낸다. EC50은 3,989였고 1,456과 10,93 nM 사이에서 통계적 분포를 나타내었고 R2는 0.3920이었다. 도 12c는 Lucentis의 염료 유출 영역을 나타낸다. 명확하지 않은 곡선으로 인하여 Lucentis에 대한 EC50은 계산할 수 없었다.
도 13은 래트에서 수정된 Miles 에세이를 사용한 효능 시험을 나타낸 것이다(hVEGF 165와 578minmax (ESBA903)를 미리 혼합). 도 13a는 래트-투약 반응에서 VEGF로 유도된 망막혈관누출에 대한 Avastin의 항투과성 효과를 나타낸 것이다. Avastin은 hVEGF로 유도된 망막 혈관 투과성을 억제한다. 주사 전에 미리 혼합. 대략 등몰(equimolar), 3배 또는 10배 과량. *p<0,05 (VEGF s. BSA), ** p<0,05 (Avastin 처리 대 VEGF). 도 13b는 래트에서 VEGF로 유도된 망막혈관누출에 대한 ESBA903의 항투과성 효과를 나타낸다. 투약 반응(예비혼합, ivt). ESBA903에 의한 hVEGF로 유도된 망막혈관투과성의 완전한 억제. 주사 전 예비혼합. 대략 등몰, 3배 또는 10배 과량. *p<0,05 (VEGF s. BSA), ** p<0,05 (ESBA903 처리 대 VEGF).
도 14는 래트에서 수정된 Miles 에세이를 사용한 효능 시험을 나타낸 것이다 (578minmax (ESBA903)의 국소 투여). 래트에서 VEGF로 유도된 망막혈관누출에 대한 AL-51287 (ESBA903)의 항투과성 효능을 국소 투여에 대하여 시험하였다. 5일의 예비처리, 10 ng/ml ESBA903 제제 4 drops/일. *p<0,05 (VEGF s. BSA), ** p<0,05 (VEGF 대 AL-51287), ***p=0,060 (AL-51287 대 AL-52667), ****(VEGF 대 AL-39324); p<0,05 (AL-39324 대 비히클 참조 대조군). AL-51287: ESBA903; AL-52657: 국소 비히클 참조 대조군; AL-39324: 소형 분자 RTK 억제제.
도 15는 여기에서 사용된 VH의 CDRl의 정의를 나타낸 것이다.
Claims (12)
- 가변 중쇄 (VH) 및 가변 경쇄 (VL)를 포함하는 재조합 항체로서, 여기서
a. 가변 중쇄가 SEQ ID NO: 2, SEQ ID NO: 15 및 SEQ ID NO: 27로 이루어지는 군의 상보성 결정 영역 (CDR)을 포함하고, 가변 경쇄가 SEQ ID NO: 38, SEQ ID NO: 50 및 SEQ ID NO: 61로 이루어지는 군의 CDR을 포함하거나;
b. 가변 중쇄가 SEQ ID NO: 3, SEQ ID NO: 15 및 SEQ ID NO: 27로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 38, SEQ ID NO: 50 및 SEQ ID NO: 61로 이루어지는 군의 CDR을 포함하거나;
c. 가변 중쇄가 SEQ ID NO: 4, SEQ ID NO: 16 및 SEQ ID NO: 28로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 39, SEQ ID NO: 51 및 SEQ ID NO: 62로 이루어지는 군의 CDR을 포함하거나;
d. 가변 중쇄가 SEQ ID NO: 5, SEQ ID NO: 17 및 SEQ ID NO: 29로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 40, SEQ ID NO: 52 및 SEQ ID NO: 63로 이루어지는 군의 CDR을 포함하거나;
e. 가변 중쇄가 SEQ ID NO: 6, SEQ ID NO: 18 및 SEQ ID NO: 30 로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 41, SEQ ID NO: 53 및 SEQ ID NO: 64로 이루어지는 군의 CDR을 포함하거나;
f. 가변 중쇄가 SEQ ID NO: 7, SEQ ID NO: 19 및 SEQ ID NO: 31로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 42, SEQ ID NO: 54 및 SEQ ID NO: 65로 이루어지는 군의 CDR을 포함하거나;
g. 가변 중쇄가 SEQ ID NO: 9, SEQ ID NO: 21 및 SEQ ID NO: 33로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 44, SEQ ID NO: 56 및 SEQ ID NO: 67로 이루어지는 군의 CDR을 포함하거나;
h. 가변 중쇄가 SEQ ID NO: 10, SEQ ID NO: 22 및 SEQ ID NO: 34로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 45, SEQ ID NO: 57 및 SEQ ID NO: 68로 이루어지는 군의 CDR을 포함하거나;
i. 가변 중쇄가 (i) SEQ ID NO: 11, SEQ ID NO: 23 및 SEQ ID NO: 35로 이루어지는 군; (ii) SEQ ID NO: 11, SEQ ID NO: 25 및 SEQ ID NO: 35로 이루어지는 군; (iii) SEQ ID NO: 13, SEQ ID NO: 23 및 SEQ ID NO: 35로 이루어지는 군; 또는 (iv) SEQ ID NO: 13, SEQ ID NO: 25 및 SEQ ID NO: 35로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 SEQ ID NO: 46, SEQ ID NO: 58 및 SEQ ID NO: 69로 이루어지는 군의 CDR을 포함하거나; 또는
j. 가변 중쇄가 SEQ ID NO: 12, SEQ ID NO: 24 및 SEQ ID NO: 36로 이루어지는 군의 CDR을 포함하고, 가변 경쇄가 (i) SEQ ID NO: 47, SEQ ID NO: 59 및 SEQ ID NO: 70로 이루어지는 군의 CDR; 또는 (ii) SEQ ID NO: 48, SEQ ID NO: 59 및 SEQ ID NO: 70로 이루어지는 군의 CDR을 포함하는, 재조합 항체. - 제 1 항의 재조합 항체의 항원-결합 단편으로서, 상기 단편이 scFv, Fab, F(ab')2 또는 Fab'인, 항원-결합 단편.
- 제 2 항에 있어서, 상기 단편이 scFv이고 여기서 중쇄 가변 영역 및 경쇄 가변 영역이 SEQ ID NO: 181의 서열에 의해 연결된 것인, 항원-결합 단편.
- 제 1 항의 재조합 항체를 포함하는 약학 조성물.
- 제 2 항의 항원-결합 단편을 포함하는 약학 조성물.
- 제 3 항의 항원-결합 단편을 포함하는 약학 조성물.
- 대상에서 VEGF-매개 질환이 치료되도록 제 1 항의 항체의 치료적 유효량을 대상에 투여하는 것을 포함하는, 대상에서 인간 VEGF-매개 질환을 치료하는 방법.
- 제 7 항에 있어서, VEGF-매개 질환이 연령과 관련된 황반 퇴화, 신생혈관 녹내장, 당뇨망막병증, 미숙아 망막증, 후수정체 섬유증식증, 유방암, 폐암, 위암, 식도암, 대장암, 간암, 난소암, 혼수, 남성화세포종, 자궁경부암, 자궁내막암, 자궁내막증식, 자궁내막증, 섬유육종, 융모암, 머리와 목의 암, 상인두암, 후두암, 간아세포종, 카포시 육종, 악성 흑색종, 피부암, 혈관종, 해면상 혈관종, 혈관모 세포종, 췌장암, 망막아세포종, 성상세포종, 교모세포종, 슈반종, 핍지교종, 수모세포종, 신경아세포종, 횡문근육종, 골육종, 평활근육종, 요로암, 갑상선암, 빌름스 종양, 신세포암, 전립선암, 모반증과 연관된 비정상 혈관 증식, 부종 (뇌종양과 연관된 부종 등), 메이그 신드롬, 류마티스 관절염, 건선 및 동맥경화증으로 이루어지는 군으로부터 선택되는 것인, 방법.
- 대상에서 VEGF-매개 질환이 치료되도록 제 2 항의 항원-결합 단편의 치료적 유효량을 대상에 투여하는 것을 포함하는, 대상에서 인간 VEGF-매개 질환을 치료하는 방법.
- 제 9 항에 있어서, VEGF-매개 질환이 연령과 관련된 황반 퇴화, 신생혈관 녹내장, 당뇨망막병증, 미숙아 망막증, 후수정체 섬유증식증, 유방암, 폐암, 위암, 식도암, 대장암, 간암, 난소암, 혼수, 남성화세포종, 자궁경부암, 자궁내막암, 자궁내막증식, 자궁내막증, 섬유육종, 융모암, 머리와 목의 암, 상인두암, 후두암, 간아세포종, 카포시 육종, 악성 흑색종, 피부암, 혈관종, 해면상 혈관종, 혈관모 세포종, 췌장암, 망막아세포종, 성상세포종, 교모세포종, 슈반종, 핍지교종, 수모세포종, 신경아세포종, 횡문근육종, 골육종, 평활근육종, 요로암, 갑상선암, 빌름스 종양, 신세포암, 전립선암, 모반증과 연관된 비정상 혈관 증식, 부종 (뇌종양과 연관된 부종 등), 메이그 신드롬, 류마티스 관절염, 건선 및 동맥경화증으로 이루어지는 군으로부터 선택되는 것인, 방법.
- 제 1 항의 항체 또는 제 2 항의 항원-결합 단편을 포함하는 이중특이성 분자.
- 제 11 항에 있어서, 다중특이성인, 이중특이성 분자.
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