KR101274867B1 - 연조직 질환의 방사선 치료에 사용하기 위한 토륨-227 - Google Patents
연조직 질환의 방사선 치료에 사용하기 위한 토륨-227 Download PDFInfo
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- KR101274867B1 KR101274867B1 KR1020117003862A KR20117003862A KR101274867B1 KR 101274867 B1 KR101274867 B1 KR 101274867B1 KR 1020117003862 A KR1020117003862 A KR 1020117003862A KR 20117003862 A KR20117003862 A KR 20117003862A KR 101274867 B1 KR101274867 B1 KR 101274867B1
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- thorium
- complex
- soft tissue
- tissue target
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Abstract
Description
후보물질 방사선핵종 | T1/2 * | 임상적으로 시험된 항목 |
225AC | 10.0 일 | 시험되지 않음 |
211At | 7.2 시간 | 아교모세포종 |
213Bi | 46 분 | 백혈병 |
223Ra | 11.4 일 | 골격 전이 |
224Ra | 3.66 일 | 강직척추염 |
* 반감기 |
핵종 | 붕괴 모드 | 평균 입자 에너지 (MeV) | 반감기 |
227Th | α | 6.02 | 18.72 일 |
223Ra | α | 5.78 | 11.43 일 |
219Rn | α | 6.88 | 3.96 초 |
215Po | α | 7.53 | 1.78 ms |
211Pb | β | 0.45 | 36.1 분 |
211Bi | α | 6.67 | 2.17 분 |
207Tl | β | 1.42 | 4.77 분 |
207Pb | 안정 |
첨가된 RIC conc. μg/ml | 세포 펠렛 당 결합된 평균 cpm | 세포 당 결합된 토륨-227 원자 | |||
보호되지 않은 | 보호된 | 보호되지 않은 | 보호된 | 총 특이적 결합된 | |
1.3 | 226 | 25 | 1.9 | 0.2 | 1.7 |
5.3 | 1186 | 97 | 10.1 | 0.8 | 9.3 |
26.0 | 4141 | 315 | 35.2 | 2.7 | 32.5 |
투여된 활성 (kBq/kg) | 최하점까지의 일수 | 최하점에서 기저선의 백분율 | 대상의 수 |
13 | 30 | 60 | 12 |
40 | 10 | 70 | 12 |
120 | 10 | 20 | 6 |
350 | 10 | 4 | 8 |
투여된 활성 (kBq/kg) | 최하점까지의 일수 | 최하점에서 기저선의 대략적인 백분율 | 대상의 수 |
37 | 14 | 60 | 5 |
74 | 14 | 60 | 5 |
130 | 28 | 50 | 5 |
170 | 21 | 40 | 5 |
200 | 21 | 30 | 5 |
변수 |
독성 CTC 등급 |
1회 투여량 / kBq/kg | 재처리 |
다회 투여/kBq/kg | |||||
46 | 93 | 163 | 213 | 250 | 5 x 50 | 2 x 125 | |||
n=5 | n=5 | n=5 | n=5 | n=5 | n=2 | n=3 | n=3 | ||
혈소판 |
0 | 5 | 5 | 4 | 5 | 2 | 2 | 2 | 3 |
1 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | |
호중구 |
0 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 3 |
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
2 | 1 | 1 | 1 | 2 | 2 | 0 | 2 | 0 | |
3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | |
WBC |
0 | 4 | 4 | 3 | 2 | 2 | 2 | 1 | 2 |
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
2 | 1 | 1 | 1 | 2 | 2 | 0 | 2 | 1 | |
3 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | |
헤모글로빈 |
0 | 4 | 2 | 4 | 2 | 2 | 1 | 0 | 0 |
1 | 0 | 2 | 0 | 2 | 3 | 1 | 2 | 1 | |
2 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 2 |
Claims (30)
- 인간을 제외한 포유류 대상에 토륨-227 및 복합체 형성제로 된 연조직 표적 복합체의 치료적 유효량을 투여하는 것을 포함하며,
상기 유효량은 투여된 토륨-227의 핵 붕괴에 의해 허용가능하게 비-골수독성인 양의 라듐-223이 생체 내에서 생성되도록 하는 양이고, 상기 토륨-227은 향골성 물질, 리포좀 및 엽산염(folate) 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 표적화 잔기와 결합되고, 신체로부터 제거되지 않고 완전히 보유된 토륨-227로 환산하여 표현되는 치료적 투여량은 25 kBq/kg 이상이며, 상기 토륨은 2-작용성 킬레이트화제에 의하여 킬레이트화되고,
상기 토륨은 포스폰산염 또는 골격-표적화 기에 부착되지 않는 것인,
인간을 제외한 포유류 대상에서의 연조직 질환의 치료 방법. - 제1항에 있어서, 상기 대상이 개과 동물인 방법.
- 제1항에 있어서, 상기 치료적 투여량이 체중 1 킬로그램 당 75 kBq 이상의 토륨-227인 방법.
- 제1항에 있어서, 상기 허용가능하게 비-골수독성인 양이 체중 1 킬로그램 당 300 kBq 미만의 라듐-223인 방법.
- 제3항에 있어서, 상기 허용가능하게 비-골수독성인 양이 체중 1 킬로그램 당 300 kBq 미만의 라듐-223인 방법.
- 제4항에 있어서, 상기 허용가능하게 비-골수독성인 양이 체중 1 킬로그램 당 150 kBq 미만의 라듐-223인 방법.
- 제5항에 있어서, 상기 허용가능하게 비-골수독성인 양이 체중 1 킬로그램 당 150 kBq 미만의 라듐-223인 방법.
- 제1항에 있어서, 상기 복합체가 항체, 항체 구성체, 항체 단편, 항체 단편의 구성체 및 이들의 혼합물로 구성되는 군에서 선택된 리간드에 결합된 킬레이트 토륨-227을 포함하는 방법.
- 제4항에 있어서, 상기 복합체가 항체, 항체 구성체, 항체 단편, 항체 단편의 구성체 및 이들의 혼합물로 구성되는 군에서 선택된 리간드에 결합된 킬레이트 토륨-227을 포함하는 방법.
- 제7항에 있어서, 상기 복합체가 항체, 항체 구성체, 항체 단편, 항체 단편의 구성체 및 이들의 혼합물로 구성되는 군에서 선택된 리간드에 결합된 킬레이트 토륨-227을 포함하는 방법.
- 제1 내지 10항 중 어느 한 항에 있어서, 상기 연조직 질환이 악성 질환인 방법.
- 제11항에 있어서, 상기 악성 질환이 암종, 육종, 골수종, 백혈병, 임파종 및 혼합된 형태의 암으로 구성된 군에서 선택되는 질병인 방법.
- 제1 내지 10항 중 어느 한 항에 있어서, 상기 대상이 또한 그 안에서 생성되는 라듐-223의 골수독성에 대항하도록 치료되는 방법.
- 제11항에 있어서, 상기 대상이 또한 그 안에서 생성되는 라듐-223의 골수독성에 대항하도록 치료되는 방법.
- 제12항에 있어서, 상기 대상이 또한 그 안에서 생성되는 라듐-223의 골수독성에 대항하도록 치료되는 방법.
- 제13항에 있어서, 상기 대상이 줄기 세포 치료를 받는 방법.
- 제14항에 있어서, 상기 대상이 줄기 세포 치료를 받는 방법.
- 제15항에 있어서, 상기 대상이 줄기 세포 치료를 받는 방법.
- 토륨-227 및 복합체 형성제로 된 연조직 표적 복합체의 치료적 유효량을 인간을 제외한 포유류 대상에 투여하는 것을 포함하며, 상기 유효량은 투여된 토륨-227의 핵 붕괴에 의해 라듐-223의 허용가능하게 비-골수독성인 양 DRa가 생체 내에서 생성되도록 하기 수학식 (I)로부터 계산된 Dadd이고, 상기 토륨-227은 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 표적화 잔기와 결합되는 것이며, 상기 토륨은 2-작용성 킬레이트화제에 의하여 킬레이트화되고, 상기 토륨은 포스폰산염 또는 골격-표적화 기에 부착되지 않는 것인, 인간을 제외한 포유류 대상에서의 연조직 질환의 치료 방법:
<수학식 I>
Dadd = [DRa x TTh{(TBio)-1 + (TTh)-1}] / 1.65
[상기 식에서,
TBio는 토륨-227과 복합체 형성제로 된 상기 연조직 표적 복합체의 생물학적 반감기이고;
TTh는 227Th의 물리적 반감기(18.7일)이며;
Dadd는 투여된 227Th 복합체의 활성(kBq/kg)이며 25 kBq/kg 이상이고;
DRa는 허용가능하게 비-골수독성인 223Ra의 양이다]. - 제19항에 있어서, DRa가 200 kBq/kg인 방법.
- 제1 내지 10항 중 어느 한 항에 있어서, 외과수술, 외부 빔 방사선 요법, 화학요법, 227Th 이외의 방사선핵종에 의한 내부방사선핵종 요법 및 조직 온도 조절에서 선택된 하나 이상의 또다른 치료 양식과 조합된 방법.
- 제11항에 있어서, 외과수술, 외부 빔 방사선 요법, 화학요법, 227Th 이외의 방사선핵종에 의한 내부방사선핵종 요법 및 조직 온도 조절에서 선택된 하나 이상의 또다른 치료 양식과 조합된 방법.
- 제12항에 있어서, 외과수술, 외부 빔 방사선 요법, 화학요법, 227Th 이외의 방사선핵종에 의한 내부방사선핵종 요법 및 조직 온도 조절에서 선택된 하나 이상의 또다른 치료 양식과 조합된 방법.
- 토륨-227 및 복합체 형성제로 된 연조직 표적 복합체와 함께 1종 이상의 약제학적 담체 또는 부형제를 포함하며, 상기 토륨-227은 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 표적화 잔기와 결합되고, 상기 토륨-227은 25 kBq/kg 이상의 치료적 유효량으로 존재하는 것이며, 상기 토륨은 2-작용성 킬레이트화제에 의하여 킬레이트화되고, 상기 토륨은 포스폰산염 또는 골격-표적화 기에 부착되지 않는 것인 약제학적 조성물.
- 토륨-227과 복합체 형성제로 된 연조직 표적 복합체의 용액과 함께 상기 용액을 제1 내지 10, 12, 14 내지 20, 22 및 23항 중 어느 한 항에 청구된 방법에 사용하기 위한 지침을 포함하고, 상기 토륨-227은 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 표적화 잔기와 결합되는 것인, 제1 내지 10, 12, 14 내지 20, 22 및 23항 중 어느 한 항에 따른 방법에 사용하기 위한 키트.
- 토륨-227과 복합체 형성제로 된 연조직 표적 복합체의 용액과 함께 상기 용액을 제11항에 청구된 방법에 사용하기 위한 지침을 포함하고, 상기 토륨-227은 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 표적화 잔기와 결합되는 것인, 제11항에 따른 방법에 사용하기 위한 키트.
- 토륨-227과 복합체 형성제로 된 연조직 표적 복합체의 용액과 함께 상기 용액을 제21항에 청구된 방법에 사용하기 위한 지침을 포함하고, 상기 토륨-227은 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 표적화 잔기와 결합되는 것인, 제21항에 따른 방법에 사용하기 위한 키트.
- 연조직 표적 복합체 형성제 이외의, 토륨 이온을 복합체로 형성시킬 수 있는 복합체 형성제; 임의로 결합제 화합물과 함께, 상기 복합체 형성제와 결합하여 연조직 표적 복합체 형성제를 생성할 수 있는 연조직 표적 화합물; 및 이들로부터 토륨-227과 복합체 형성제로 된 연조직 표적 복합체를 제조하는 것, 및 임의로 제1 내지 10, 12, 14 내지 20, 22 및 23항 중 어느 한 항에 따르는 방법에서 상기 복합체를 사용하는 것에 대한 지침을 포함하고,
상기 연조직 표적 복합체는 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 잔기인, 제1 내지 10, 12, 14 내지 20, 22 및 23항 중 어느 한 항에 따르는 방법에 사용하기 위한 키트. - 연조직 표적 복합체 형성제 이외의, 토륨 이온을 복합체로 형성시킬 수 있는 복합체 형성제; 임의로 결합제 화합물과 함께, 상기 복합체 형성제와 결합하여 연조직 표적 복합체 형성제를 생성할 수 있는 연조직 표적 화합물; 및 이들로부터 토륨-227과 복합체 형성제로 된 연조직 표적 복합체를 제조하는 것, 및 임의로 제11항에 따르는 방법에서 상기 복합체를 사용하는 것에 대한 지침을 포함하고,
상기 연조직 표적 복합체는 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 잔기인, 제11항에 따르는 방법에 사용하기 위한 키트. - 연조직 표적 복합체 형성제 이외의, 토륨 이온을 복합체로 형성시킬 수 있는 복합체 형성제; 임의로 결합제 화합물과 함께, 상기 복합체 형성제와 결합하여 연조직 표적 복합체 형성제를 생성할 수 있는 연조직 표적 화합물; 및 이들로부터 토륨-227과 복합체 형성제로 된 연조직 표적 복합체를 제조하는 것, 및 임의로 제21항에 따르는 방법에서 상기 복합체를 사용하는 것에 대한 지침을 포함하고,
상기 연조직 표적 복합체는 향골성 물질, 리포좀 및 엽산염 결합된 항체 또는 항체 단편 이외의 생친화성을 갖는 잔기인, 제21항에 따르는 방법에 사용하기 위한 키트.
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RU2767567C1 (ru) * | 2020-10-27 | 2022-03-17 | Станислав Анатольевич Дороватовский | Комплексные соединения, содержащие в своем составе радионуклид 227Th, а также бисфосфонатный фрагмент, способы их получения, а также потенциальное применение в качестве действующего вещества в составе остеотропного радиофармацевтического лекарственного препарата |
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