JP2005514168A - 心臓および他の器官における虚血−再灌流傷害の軽減のための事後調節 - Google Patents
心臓および他の器官における虚血−再灌流傷害の軽減のための事後調節 Download PDFInfo
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Abstract
Description
(発明の分野)
本発明は、虚血により傷害を受けた器官および組織の処置に関する。具体的には、本発明は、虚血事象に罹患した器官および組織における再灌流傷害の防止に関する。
心臓疾患は、社会保障の疾病(disability)支払金の約20%を計上する、米国の労働者の間で早まった、恒久的な疾病の主な原因である。約2000万の米国人は、心臓疾患に甘んじており、600万人超の人々が、毎年心臓発作を起こしている。毎年、初めて心臓発作を経験した患者のほぼ50%が、心筋梗塞で死亡している。
本明細書中で提供されるのは、器官または組織に対する虚血事象後の再灌流の間または再灌流後に、被験体における器官または組織に対する傷害を防止する方法であり、この方法は、以下の工程を包含する:a)約5秒〜約5分の間、器官または組織の灌流を停止する工程;b)約5秒〜約5分の間、その器官または組織を灌流する工程;c)約2回から約50回にわたって連続的に、工程a)およびb)を反復する工程;ならびにd)その器官または組織の灌流の停止を終了し、それにより、虚血事象後の被験体における器官または組織に対する傷害を防止する工程。
明細書および添付の特許請求の範囲において使用される場合、単数形の「a」「an」および「the」は、文脈が明らかにそうでないと指示しない限り、複数の指示物を含むことに留意しなければならない。従って、例えば、「薬剤(an agent)」への言及は、その薬剤の複数のコピーを含み、1つより多くの特定の薬剤の種も含み得る。
を停止または減少することは、約5秒〜約5分間続けられ得、その後の、器官または組織の灌流の再開は、約5秒〜約5分間続けられる。灌流を停止または減少すること、および開始することの最終サイクルの後、器官または組織に対する血流は、衰えずに回復するか、またはコントロールの割合以下であり得る。例えば、最後のオン−オフサイクルの後、血流は、ゆっくりと開始し、通常の血流を達成するまで、段階的に増加され得る。当業者は、再開し得る血流の速度を決定するための当該分野において公知のアルゴリズムを使用し得る。
Claims (26)
- 器官または組織に対する虚血事象後の再灌流の間または再灌流後に、被験体において該器官または組織に対する損傷を予防する方法であって、該方法は、以下:
a)約5秒間〜約5分間にわたって、該器官の灌流を停止する工程;
b)約5秒間〜約5分間にわたって、該器官の灌流を再開する工程;
c)約2回〜約50回にわたって、工程a)およびb)を連続して繰り返す工程;ならびに
d)該器官または組織の不断の灌流を可能にし、それによって、虚血事象後の該被験体における該器官または組織に対する損傷を予防する、工程、
を包含する、方法。 - 前記器官または組織が、心臓、脳、腎臓、腸、膵臓、肝臓、肺または骨格筋である、請求項1に記載の方法。
- 前記被験体が哺乳動物である、請求項1に記載の方法。
- 前記哺乳動物がヒトである、請求項3に記載の方法。
- 前記灌流を停止する工程が、前記器官または組織に血液を供給する血管の管腔内のバルーンによってもたらされる、請求項1に記載の方法。
- 前記バルーンが、膨張可能かつ収縮可能である、請求項5に記載の方法。
- 前記灌流を停止する工程が、前記器官または組織に血液を供給する血管の外部圧迫によりもたらされる、請求項1に記載の方法。
- 薬学的に受容可能なキャリア中の、有効量の組織保護剤を、前記被験体に投与する工程をさらに包含する、請求項1に記載の方法。
- 心臓の虚血事象を有すると診断された被験体において、該心臓に対する損傷を予防する方法であって、該方法は、
a)冠状動脈の管腔を清浄化する工程;
b)約5秒間〜約5分間にわたって、該心臓を灌流する工程;
c)約5秒間〜約5分間にわたって、該心臓の灌流を停止する工程;
d)約2回〜約50回にわたって、工程b)およびc)を連続して繰り返す工程;ならびに
e)該心臓の不断の灌流を可能にし、それによって、該被験体における該心臓に対する損傷を予防する、工程、
を包含する、方法。 - 前記灌流を停止する工程が、前記冠状動脈の管腔内のバルーンによってもたらされる、請求項9に記載の方法。
- 前記バルーンが、膨張可能かつ収縮可能である、請求項10に記載の方法。
- 前記灌流を停止する工程が、前記冠状動脈の外部圧迫によりもたらされる、請求項9に記載の方法。
- 薬学的に受容可能なキャリア中の、有効量の組織保護剤を、前記被験体に投与する工程をさらに包含する、請求項9に記載の方法。
- 器官または組織に対する虚血事象後の再灌流の間または再灌流後に、被験体において該器官または組織に対する損傷を予防する方法であって、該方法は、以下:
a)約5秒間〜約5分間にわたって、該器官の灌流を低減する工程;
b)約5秒間〜約5分間にわたって、該器官の灌流を再開する工程;
c)約2回〜約50回にわたって、工程a)およびb)を連続して繰り返す工程;ならびに
d)該器官または組織の不断の灌流を可能にし、それによって、虚血事象後の該被験体における該器官または組織に対する損傷を予防する、工程、
を包含する、方法。 - 前記器官または組織が、心臓、脳、腎臓、腸、膵臓、肝臓、肺または骨格筋である、請求項14に記載の方法。
- 前記被験体が哺乳動物である、請求項14に記載の方法。
- 前記哺乳動物がヒトである、請求項16に記載の方法。
- 前記灌流を低減する工程が、前記器官または組織に血液を供給する血管の管腔内のバルーンによってもたらされる、請求項14に記載の方法。
- 前記バルーンが、膨張可能かつ収縮可能である、請求項18に記載の方法。
- 前記灌流を低減する工程が、前記器官または組織に血液を供給する血管の外部圧迫によりもたらされる、請求項14に記載の方法。
- 薬学的に受容可能なキャリア中の、有効量の組織保護剤を、前記被験体に投与する工程をさらに包含する、請求項14に記載の方法。
- 心臓の虚血事象を有すると診断された被験体において、該心臓に対する損傷を予防する方法であって、該方法は、
a)冠状動脈の管腔を清浄化する工程;
b)約5秒間〜約5分間にわたって、該心臓を灌流する工程;
c)約5秒間〜約5分間にわたって、該心臓の灌流を低減する工程;
d)約2回〜約50回にわたって、工程b)およびc)を連続して繰り返す工程;ならびに
e)該心臓の不断の灌流を可能にし、それによって、該被験体における該心臓に対する損傷を予防する、工程、
を包含する、方法。 - 前記灌流を低減する工程が、前記冠状動脈の管腔内のバルーンによってもたらされる、請求項22に記載の方法。
- 前記バルーンが、膨張可能かつ収縮可能である、請求項23に記載の方法。
- 前記灌流を低減する工程が、前記冠状動脈の外部圧迫によりもたらされる、請求項22に記載の方法。
- 薬学的に受容可能なキャリア中の、有効量の組織保護剤を、前記被験体に投与する工程をさらに包含する、請求項22に記載の方法。
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PCT/US2002/041354 WO2003059266A2 (en) | 2001-12-21 | 2002-12-20 | Post-conditioning for the reduction of ischemic-reperfusion injury in the heart and other organs |
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JP2009070979A Withdrawn JP2009172394A (ja) | 2001-12-21 | 2009-03-23 | 心臓および他の器官における虚血−再灌流傷害の軽減のための事後調節 |
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US (1) | US20040255956A1 (ja) |
EP (1) | EP1471849A4 (ja) |
JP (2) | JP2005514168A (ja) |
AU (1) | AU2002364231A1 (ja) |
CA (1) | CA2470970A1 (ja) |
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