KR102763111B1 - 급성 방사선 증후군의 예방 또는 치료를 위한 조성물 - Google Patents
급성 방사선 증후군의 예방 또는 치료를 위한 조성물 Download PDFInfo
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- KR102763111B1 KR102763111B1 KR1020207018828A KR20207018828A KR102763111B1 KR 102763111 B1 KR102763111 B1 KR 102763111B1 KR 1020207018828 A KR1020207018828 A KR 1020207018828A KR 20207018828 A KR20207018828 A KR 20207018828A KR 102763111 B1 KR102763111 B1 KR 102763111B1
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Abstract
Description
도 1은 동물 모델에 방사선으로 유도된 급성 방사선 증후군과 연계된 개략적인 실험 설계도를 보여준다.
도 2A-2C는 급성 방사선 증후군 동물 모델에서 PLAG(1-팔미토일-2-리놀레오일-3-아세틸글리세롤) 투여 후 혈액 내 백혈구(도 2A), 호중구(도 2B) 및 림프구(도 2C)의 수치를 보여준다.
도 3은 구강 점막염을 동반하는 급성 방사선 증후군 동물 모델에서 PLAG 투여에 따른 생존율을 보여준다.
도 4는 급성 방사선 증후군의 동물 모델에서 PLAG 투여 후 점막염 상태를 보여준다.
도 5는 구강 점막염을 동반하는 급성 방사선 증후군 동물 모델에서 PLAG (EC-18) 처리 및 처리되지 않은 동물에서 구강 점막염 상태를 점수로 산출한 결과를 보여준다.
도 6A-6B는 구강 점막염을 동반하는 급성 방사선 증후군 동물 모델에서 PLAG 투여에 따른 7일 후(도 6A) 및 10일 후(도 6B)의 혈액 내 호중구 수치를 보여준다.
도 7A는 방사선으로 유도된 급성 방사선 증후군 동물 모델에서 EC-18 치료(30 일)의 개략적인 도면이다. 도 7B는 EC-18(250mg/kg/day PO)을 투여받거나 받지 않은 마우스(BALB/c, 생후 11주)의 생존율(전신 방사선 조사 (6.5Gy))을 보여준다. EC-18을 투여한 마우스의 생존율은 처리되지 않은 마우스(EC-18 미사용)에 비해 개선되었다.
도 8은 상기 도 7A의 도표에 따라, 전신 방사선 조사(6.5Gy) 받고, EC-18(250 mg/kg/day PO)를 투여(n=20)하거나, 투여하지 않은(n=20) 마우스(BALB/c, 생후 9주)의 생존율을 보여준다. EC-18을 투여한 마우스의 생존율은 처리되지 않은 마우스(EC-18 미사용)에 비해 개선된다.
도 9는 EC-18 처리없이 전신 방사선 조사(2, 4, 및 6 Gy)를 받은 마우스(BALB/c, 생후 9주) 및 상기 도 7A의 도표에 따라, 6Gy의 전신 방사선 조사를 받고, EC-18(250 mg/kg/day PO)로 처리한 마우스(BALB/c, 생후 9주)의 생존 곡선을 보여준다.
도 10A는 방사선으로 유도된 급성 방사선 증후군 동물 모델에서 EC-18 치료(17 일)의 개략적인 도면이다. 도 10B는 현재 치명적인 신체 방사선 조사(7Gy)를 받고, EC-18(250 mg/kg/day PO)을 투여받거나, 투여받지 않은 마우스(BALB/c, 생후 9주)의 생존율을 보여준다. 치명적인 방사선 조사받고, EC-18를 투여받은 마우스의 생존율은 처리되지 않은 마우스(EC-18 미사용)에 비해 약 15일까지 개선된다.
도 11은 치명적인 전신 방사선 조사(8Gy)를 받고, EC-18(250mg/kg/day PO)를 투여 받거나, 투여받지 않은 마우스(BALB/c, 생후 9주)의 생존율을 보여준다. 방사선 조사받고, EC-18을 투여받은 마우스의 생존율은, 도 10A의 도표에 따라, 처리되지 않은 마우스(EC-18 미사용)에 비해 약 14일까지 개선된다.
도 12A는 방사선으로 유도된 급성 방사선 증후군 동물 모델에서 EC-18 치료(12일)의 개략적인 도면이다. 도 12B는 치명적인 전신 방사선 조사(10Gy)를 받고, EC-18(250mg/kg/day PO)를 투여받거나, 투여받지 않은 마우스(BALB/c, 생후 9주)의 생존율을 보여준다. 방사선 조사받고, EC-18을 투여받은 마우스의 생존율은 도 12A의 도표에 따라, 처리되지 않은 마우스(EC-18 미사용)에 비해 약 9일까지 개선된다.
도 13A는 방사선으로 유도된 급성 방사선 증후군 동물 모델에서 EC-18 치료(17일)의 개략적인 도면이다. 도 13B는 치명적인 전신 방사선 조사(8 Gy)를 받고, EC-18(250mg/kg/day PO)를 투여받거나, 투여받지 않은 마우스(BALB/c, 생후 9주)의 피부 홍반(skin erythema)을 보여준다.
도 14A는 방사선으로 유도된 급성 방사선 증후군 동물 모델에서 EC-18 치료(30일)의 개략적인 도면이다. 도 14B는 전신 방사선 조사(6.5 Gy)받고, EC-18(250mg/kg/day PO)를 투여 받거나, 투여받지 않은 마우스(BALB/c, 생후 9주)의 피부 홍반(skin erythema)을 보여준다.
도 15는 상기 도 14A의 도표에 따라, 전신 방사선 조사(6.5 Gy)받고, EC-18(250mg/kg/day PO)를 투여 받거나, 투여받지 않은 마우스(BALB/c, 생후 11주)의 피부 홍반(skin erythema)을 보여준다.
도 16은 방사선 유발 호중구 감소증(RIN, Radiation Induced Neutropenia)에서 EC-18의 개략적인 작용 메커니즘을 도시하며, 이는 EC-18이 짧은 시간에 DAMP의 제거를 촉진하여, 혈관으로부터 호중구의 연속적인 방출을 억제시키는 것을 도시한다.
도 17A는 HaCaT 세포의 항-아포토시스에 대한 EC-18의 효과를 시험하는 개략적인 도면을 도시한다. HaCaT의 5-FU 및 γ-ray로 유도된 손상.
도 17B는 5-FU 투여량, 방사선 및 PLAG(EC-18) 처리에 따라, 상기 도 17A에 도시된 실험에서 세포 수를 계산하여 보여준다.
도 17C는 5-FU 양, 방사선 및 PLAG (EC-18) 처리에 따라, 상기 도 17A에 도시 된 실험에서 초기 아포토시스율(%)을 보여준다.
도 17D는 상기 도 17A에 도시된 실험에서, 5-FU 1 ng/mL의 양으로 방사선 및 PLAG(EC-18) 처리에 따라, 초기 아포토시스율(%)을 보여준다.
도 17E는 상기 도 17A에 도시된 실험에서, 5-FU 10 ng/mL의 양으로 방사선 및 PLAG(EC-18) 처리에 따라, 초기 아포토시스율(%)을 보여준다.
도 17F는 상기 도 17A에 도시된 실험에서, 5-FU 100 ng/mL의 양으로 방사선 및 PLAG(EC-18) 처리에 따라, 초기 아포토시스율(%)을 보여준다.
도 18A는 상기 도 17A에 도시된 실험에서 5-FU 양, 방사선 및 PLAG(EC-18) 처리에 따라, 후기 아포토시스율(%)을 보여준다.
도 18B는 상기 도 17A에 도시된 실험에서, 5-FU 1 ng/mL의 양으로 방사선 및 PLAG(EC-18) 처리에 따라, 후기 아포토시스율(%)을 보여준다.
도 18C는 상기 도 17A에 도시된 실험에서, 5-FU 10 ng/mL의 양으로 방사선 및 PLAG(EC-18) 처리에 따라, 후기 아포토시스율(%)을 보여준다.
도 18D는 상기 도 17A에 도시된 실험에서, 5-FU 100 ng/mL의 양으로 방사선 및 PLAG(EC-18) 처리에 따라, 후기 아포토시스율(%)을 보여준다.
도 19A는 HaCaT 세포의 세포 내 ROS 발현에 대한 EC-18의 효과를 시험하는 개략적인 도면을 도시한다. HaCaT의 5-FU 및 γ-ray로 유도된 손상.
도 19B는 방사선 조사 후 EC-18의 처리 또는 처리없이, 7Gy의 γ-방사선에 노출된 HaCaT 세포에서 ROS 측정을 보여준다.
도 19C는 세포가 방사선 조사 후 EC-18의 처리 또는 처리없이, 7Gy의 γ-방사선에 노출되었을 때, ROS 발현에 대한 HaCaT 세포의 세포 수를 보여준다(상단(top): 노출 후 6 시간, 하단(bottom): 노출 후 24시간).
도 20은 6.5 Gy의 γ-방사선으로 유도된 급성 방사선 증후군 동물 모델(마우스, BALB/c, 생후 11주)에서 EC-18(PLAG) 처리의 생존율을 시험하기 위한 예시적인 실험에 대한 도표를 도시한다.
도 21은 전신 방사선에 노출되지 않은 대조군, 6.5Gy의 γ-방사선(전신; 미처리)에 노출된 마우스 및 1일(방사선 노출 후 24시간) 또는 2일(방사선 노출 후 48시간)부터 EC-18로 처리된 Balb/c 마우스(n=20 그룹당)의 생존 곡선을 보여준다.
도 22는 방사선에 노출되지 않거나, 6.5Gy의 γ-방사선에 노출되거나, 6.5Gy의 γ-방사선(전신)에 노출된 후, 24시간 또는 48시간 후에 EC-18로 처리된 Balb/c 마우스의 체중을 나타낸다.
도 23은 마우스 모델에서 방사선으로 유도된 응고병증(coagulopathy)을 시험하기 위한 예시적인 실험에 대한 도표를 도시한다.
도 24는 5-FU(100mg/kg)로 유도된 백혈구 감소증에서 호중구의 시간 동력학을 확인하기 위해 3가지 그룹(5-FU only, 5-FU+PLAG 125mg/kg, 5-FU+PLAG 250mg/kg)을 포함하는 예시적인 실험에 대한 도표를 도시한다.
도 25는 웨스턴 블롯(western blot)에 의한 G-CSF에 대한 EC-18의 효과를 비교하는 시험관내 실험을 보여준다.
도 26은 EC-18과 G-CSF의 비교를 나타내는 표이다.
도 27은 방사선 및 다양한 ARS 서브 증후군(subsyndromes)에 노출된 환자의 생존 시간의 도표를 도시한다.
도 28A는 30일의 관찰 기간동안, 각각의 γ-방사선량으로 조사된 마우스의 생존가능성을 보여준다. 도 28B는 다양한 γ-방사선량에 노출된 BALB/c 마우스의 프로빗 모델(probit model)을 사용하여, 방사선량관계(radiation dose relationship, DRR)을 보여준다.
도 29는 다양한 γ-방사선량에 노출된 마우스의 체중 변화를 보여준다.
도 30A-B는 γ-방사선으로 유도된 ARS에서 EC-18 투여의 치료 효과를 보여준다. 도 30A는 생존율을 보여주고, 도 30B는 6.11 Gy의 γ-방사선량으로 조사된 마우스의 체중 감소를 보여준다. 6.11Gy 대(versus) 6.11Gy+EC-18 250 mg/kg에 대하여, *p<0.05, **p<0.01, ***p<0.005.
도 31A-F는 6.11 Gy의 γ-방사선에 노출된 마우스의 CBC 파라미터이다. 도 31A 내지 도 31F는 각각 백혈구(WBC; 도 31A), 절대 호중구수(absolute Neutrophil count, ANC; 도 31B), 단핵구(monocyte, 도 31C), 절대 림프구 수(absolute Lymphocyte count, ALC; 도 31D), 혈소판 수(PLT; 도 31E) 및 적혈구 수(RBC; 도 31F)를 보여준다. n=5 마우스/집단(cohort).
도 32A-J는 6.11Gy의 γ-방사선에 노출된 마우스에서 CBC 파라미터에 대한 EC-18 투여의 치료 효과를 보여준다. 도 32A 내지 32E는 각각 15일 이상의 기간동안, 백혈구 수(WBC; 도 32A), 절대 호중구 수(absolute Neutrophil count, ANC; 도 32B), 절대 림프구 수(absolute Lymphocyte count, ALC; 도 32C), 혈소판 수(PLT; 도 32D) 및 적혈구 수(RBC; 도 32E)를 보여준다. 도 32F 내지 도 32J는 각각 15일에WBC(도 32F), ANC(도 32G), ALC(도 32H), PLT (도 32I) 및 BRC(도 32J)에 대한 EC-18 투여 용량 효과를 보여준다. ns(not significant); 중요하지 않음, *p<0.05, **p<0.01, ***p<0.005.
| 정상 대조군 (n=3) |
RIL (n=3) |
RIL + PLAG (n=3) |
|
| 백혈구(White blood cells) (103/μL) | 7.76 ± 1.96 | 2.18 ± 0.31 | 3.56 ± 0.84 |
| 호중구(Neutrophils) (103/μL) |
1.32 ± 0.53 | 0.87 ± 0.04 | 1.17 ± 0.35 |
| 림프구(Lymphocyte) (103/μL) |
6.05 ± 1.36 | 1.19 ± 0.25 | 2.2 ± 0.42 |
| 구강 점막염 유발군 (OM induced group) |
구강 점막염 유발+PLAG 투여군 (OM induced+PLGA administered group) |
|
| 대상체의 수 | 7(암컷) | 7(암컷) |
| 혀 스크래치 (Scratch on tongue) (0, 2, 10 and 16 days) |
0.2 cm | 0.2 cm |
| 감마선(Gamma ray), (day 2) | 1 Gy | 1 Gy |
| 투여/일(dosage/day) | PBS | PLAG(250 mg/kg) |
| 투여방법/일정(Method of administration/days) | 경구(Oral) 0 또는 18 일 |
경구(Oral) 0 또는 18 일 |
| CBC 분석/일정(CBC analysis/schedule) | 7일 및 10 일 | 7일 및 10 일 |
| 시험 군(Test Groups) | |
| 도 7B | Balb/c: 생후 11주, 수컷(n=10) 또는 암컷(n=10) γ-방사선: 6.5Gy(100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 도 8 | Balb/c: 생후 9주, 수컷(n=10) 또는 암컷(n=10) γ-방사선: 6.5Gy (100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 도 9 | Balb/c: 생후 9주, 수컷(n=5) 또는 암컷(n=5) γ-방사선: 2, 4, 6 Gy (100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation) (2Gy) 2) 방사선 후 미처리군(untreated group after radiation) (4Gy) 3) 방사선 후 미처리군(untreated group after radiation) (6Gy) 4) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) (6Gy) |
| 도 10B | Balb/c: 생후 9주, 수컷(n=5) 또는 암컷(n=5) γ-방사선:7 Gy(100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 도 11 | Balb/c: 생후 9주, 수컷(n=5) 또는 암컷(n=5) γ-방사선: 8 Gy(100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 도 12 | Balb/c: 생후 9주, 수컷(n=2) 또는 암컷(n=2) γ-방사선: 10 Gy(100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 실험 군(Experiment Group) | |
| 도 13B | Balb/c: 생후 9주, 수컷(n=5) 또는 암컷(n=5) γ-방사선: 8 Gy (100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 도 14B | Balb/c: 생후 9주, 수컷(n=10) 또는 암컷(n=10) γ-방사선: 6.5Gy(100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 도 15 | Balb/c: 생후 11주, 수컷(n=10) 또는 암컷(n=10) γ-방사선: 6.5 Gy(100 rad=1.06min), TBI EC-18: 250 mg/kg/day (P.O.) Group: 1) 방사선 후 미처리군(untreated group after radiation 2) 방사선 후 EC-18 처리군(EC-18 group treated group after radiation) |
| 방사선량(Gy) (Radiation dose) |
사망률 (Mortality) |
사망자 생존시간(일) (Survival time of decedents, days) |
|
| 평균 ± SD (Mean ± SD) |
평균(Median) | ||
| 6.00 | 12/20(60%) | 15.30 ± 4.98 | 15.50 |
| 6.20 | 16/20(80%) | 13.69 ± 3.26 | 13.50 |
| 6.40 | 20/20(100%) | 14.15 ± 3.48 | 14.00 |
| 6.50 | 20/20(100%) | 15.85 ± 4.42 | 14.50 |
| LD XX/30 | LD 추정(Gy) | 하위 95% CI(Gy) (Lower 95% CI) |
상위 95% CI(Gy) (Upper 95% CI) |
| LD30/30 | 5.31 | 4.98 | 5.56 |
| LD50/30 | 5.79 | 5.59 | 5.96 |
| LD70/30 | 6.11 | 5.98 | 6.22 |
| LD95/30 | 6.39 | 6.30 | 6.48 |
| 생존 마우스/ 전체마우스 |
생존가능성 (Survivability) |
평균 수명 (Average life span) |
평균 생존, 일 (Median survival, days) |
Log-rank test p* |
|
| 대조군 | 16/20 | 80% | 28.2 | 30 | < 0.0001 |
| EC-18 10 mg/kg |
8/20 | 40% | 22.3 | 20 | 0.0464 |
| EC-18 50 mg/kg |
4/20 | 20% | 19.3 | 17 | 0.4425 |
| EC-18 250 mg/kg |
4/20 | 20% | 17.9 | 15 |
| ≥10% 체중감소 (Body Weight Loss) |
≥20% 체중감소 (Body Weight Loss) |
|||
| n | % | n | % | |
| 대조군 | 16 | 80 | 8 | 40 |
| EC-18 10 mg/kg | 17 | 85 | 14 | 70 |
| EC-18 50 mg/kg | 11 | 55 | 7 | 35 |
| EC-18 250 mg/kg | 3 | 15 | 3 | 15 |
Claims (38)
- 치료 유효량의 1-팔미토일-2-리놀레오일-3-아세틸글리세롤(PLAG)을 포함하는, 대상체에서 급성 방사선 증후군 치료 또는 예방을 위한 치료제.
- 치료 유효량의 1-팔미토일-2-리놀레오일-3-아세틸글리세롤(PLAG)을 포함하는, 바람직하지 않은 이온화 방사선에 노출된 대상체의 치료제.
- 제2항에 있어서, 상기 이온화 방사선은 감마 방사선을 포함하는 것인, 치료제.
- 치료 유효량의 1-팔미토일-2-리놀레오일-3-아세틸글리세롤(PLAG)을 포함하는, 대상체에서 급성 방사선 증후군의 하나 이상의 서브 증후군 치료 또는 예방을 위한 치료제.
- 제4항에 있어서, 상기 하나 이상의 서브 증후군은 조혈, 위장, 피부, 신경 혈관 및 이들의 조합으로 이루어진 군으로부터 선택되는 것인, 치료제.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 대상체가 0.7Gy 내지 50 Gy의 방사선에 노출된 것인, 치료제.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 대상체가 1Gy 내지 8Gy의 방사선에 노출된 것인, 치료제.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 대상체는 조혈 급성 방사선 증후군, 방사선으로 유발된 응고병증, 위장관 급성 방사선 증후군, 심혈관 급성 방사선 증후군 또는 중추 신경계(CNS) 급성 방사선 증후군 및 이들의 조합으로 이루어진 군으로부터 선택되는 질환을 겪고 있거나, 걸리기 쉬운 것인, 치료제.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항 내지 제5항 중 어느 한 항에 있어서, 방사선 노출 후 12 시간 이내에 대상체에게 PLAG를 먼저 투여하는 것인, 치료제.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 급성 방사선 증후군(ARS)을 치료 또는 예방하기 위해 1-팔미토일-2-리놀레오일-3-아세틸 글리세롤(PLAG)을 포함하는 약학적 조성물.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- (a) 1-팔미토일-2-리놀레오일-3-아세틸글리세롤(PLAG);
(b) 급성 방사선 증후군(ARS)을 치료 또는 예방을 위해 PLAG를 사용하기 위한 설명서를 포함하는, 급성 방사선 증후군(ARS) 치료 또는 예방을 위한 키트. - 삭제
- 삭제
- 삭제
- 제33항에 있어서, 상기 키트는 PLAG의 사용을 위한 서면 설명서를 포함하는 키트.
- 제33항 및 제37항 중 어느 한 항에 있어서, 상기 설명서가 제품 라벨인 키트.
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| KR1020170162404 | 2017-11-30 | ||
| US201862691604P | 2018-06-28 | 2018-06-28 | |
| US62/691,604 | 2018-06-28 | ||
| PCT/IB2018/059538 WO2019106632A1 (en) | 2017-11-30 | 2018-11-30 | Compositions for prevention or treatment of acute radiation syndrome |
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- 2018-11-30 EP EP18882935.2A patent/EP3716967B1/en active Active
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| Publication number | Publication date |
|---|---|
| CN111989097A (zh) | 2020-11-24 |
| JP2021504417A (ja) | 2021-02-15 |
| KR20190063536A (ko) | 2019-06-10 |
| EP3716967C0 (en) | 2023-06-21 |
| EP3716967A4 (en) | 2021-08-04 |
| EP3716967A1 (en) | 2020-10-07 |
| KR20200085901A (ko) | 2020-07-15 |
| EP3716967B1 (en) | 2023-06-21 |
| CA3084594A1 (en) | 2019-06-06 |
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