JP4417832B2 - タンパク質−結合した物質を除去するための方法 - Google Patents
タンパク質−結合した物質を除去するための方法 Download PDFInfo
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- JP4417832B2 JP4417832B2 JP2004503077A JP2004503077A JP4417832B2 JP 4417832 B2 JP4417832 B2 JP 4417832B2 JP 2004503077 A JP2004503077 A JP 2004503077A JP 2004503077 A JP2004503077 A JP 2004503077A JP 4417832 B2 JP4417832 B2 JP 4417832B2
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- dialysis
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- Animal Behavior & Ethology (AREA)
- Urology & Nephrology (AREA)
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Description
−生命に関わるタンパク質の合成、及び
−主にタンパク質−結合した毒素の除去、
に細分化される。
これらの常用の方法は現在、肝機能障害を有する多くの患者で使用されており、その理由は、多くの場合、肝疾患の最終ステージで、透析によって治療されなければならない腎機能障害をももたらす肝腎症候群が生じるからだ。しかし、これらの方法は、タンパク質−結合した物質の十分な除去を達成せず且つ本質的に低分子量又は中間分子量の水溶性物質のみを除去するにすぎない。
この方法では、タンパク質−結合した毒素を除去するために、血液又は血しょうに吸着体(活性炭及び/又は陽イオンもしくは陰イオン交換物質)の上を通過させる(O’GradyJ.G.、Gimson A.E.、O’Brien C.J.、Pucknell A.、Hughes R.D.、Williams R.:Controlled Trails of Charcoal Hemoperfusion and Diagnostic Factors in flminant hepatic failure.Gastroenterology、vol.94、pp.1186〜1192、1988)。この方法は、非特異的であり、従って重要な物質も血液又は血しょうから除去される欠点を有する。
A.MARS(Molecular Adsorbents Recirculating System)
EP0615780に記載されているMARSは、アルブミン被覆した特別な透析膜を使用する。再循環するアルブミン含有透析物は、透析によって患者から取り除かれたタンパク質−結合した毒素を除外し、そして透析物質におけるアルブミンの、毒素のための結合部位を調製するために2つの吸着体カラム(活性炭及び樹脂)を通過させられる(Stange J., Hassanein T.I., Mehta R., Mitzner S.R., Bartlett R.H.: The molecular adsorbents recycling system as a liver support system based on albumin dialysis: a summary of preclinical investigations, prospective, randomized, controlled clinical trial, and clinical experience from 19 centers. Artif. Organs, vol.26, pp.103〜110, 2002)。
アルブミン透析は連続血液透析に関連した方法である。連続腎代償療法の特徴は、ゆっくりとした透析物流(通常の透析30l/hに比較して1〜2l/h)を使用することである。アルブミン透析では、常用の連続腎代償療法とは対照的に、アルブミンは透析物に対して5%溶液を与えるように加えられる(Kreymann B., Seige M., Schweigart U., Kopp K.F., Classen M.: Albumin dialysis: effective removal of copper in a patient with fulminant Wilson disease and successful bridging to liver transplantation : a new possibility for the elimination of protein-bound toxins. J. Hepatol., vol.31, pp.1080〜1085, 1999)。アルブミンの使用は、それが血中でタンパク質−結合した毒素のための主たる担体タンパク質であることに基づいている。
Claims (17)
- タンパク質に結合した除去されるべき物質を含有する生物流体を透析するための手段であって:
−生物流体回路(3)であって、タンパク質に結合した除去されるべき物質を少なくとも部分的に可溶化するための1以上の手段(4;6;7;8;9)が供されている生物流体回路、及び
−透析装置(1)であって、タンパク質に結合した除去されるべき物質を少なくとも部分的に可溶化するための1以上の手段(4;6;7;8;9)が供されている透析装置を伴い、そして
−1以上の透析、ろ過又はダイアフィルトレーション装置(5)が透析流体回路(2)中に供されており、
ここで、当該透析の手段中で使用可能な透析流体は、当該生物流体からタンパク質に結合した除去されるべき物質に対する吸着体を含み、そして、
当該除去されるべき物質を少なくとも部分的に可溶化するための当該手段(4;6;7;8;9)が、
−塩基を加えることによってpH8〜13に調整することができる、当該使用可能流体のpHを調整するための1以上の装置(4)、及び
−酸を加えることによってpH2.5〜5に調整することができる、当該使用可能流体のpHを調整するための1以上の装置(4)
を含み、
ここで、塩基を加えることによってpHを調整するための1以上の装置(4)が、1以上の透析、ろ過又はダイアフィルトレーション装置(5)の上流側又は下流側のいずれかに備えられ、かつ、酸を加えることによってpHを調整するための1以上の装置(4)が、1以上の透析、ろ過又はダイアフィルトレーション装置(5)の下流側又は上流側のいずれかに備えられる、
ことを特徴とする、前記手段。 - タンパク質に結合した除去されるべき物質を可溶化するための更なる手段(4;6;7;8;9)であって、以下の群:
−前記使用可能流体の温度を調整するための装置(6)、
−前記使用可能流体を希釈するため又は塩含量を変化せしめるために代替物を加えるための装置(7)、
−前記除去されるべき物質に対して結合する透析可能化合物を加えるための装置(8)、及び
−前記使用可能流体に波動を照射するための装置(9)、
から選択される手段を含んで成る、請求項1に記載の手段。 - 前記使用可能流体のpHを調節するための装置(4)が酸を加えるための装置及び塩基を加えるための装置を含んで成ることを特徴とする、請求項1又は2に記載の手段。
- 前記温度を調節するための装置(6)が加熱又は冷却装置を含んで成ることを特徴とする、請求項2に記載の手段。
- 前記加熱装置(6)が加熱装置、マイクロ波装置又は赤外線装置を含んで成り、そして前記冷却装置(6)が冷却ユニットであることを特徴とする、請求項4に記載の手段。
- 前記照射装置(9)が超音波装置を含んで成ることを特徴とする、請求項2に記載の手段。
- 前記生物流体回路(3)中に1以上の他の透析、ろ過又はダイアフィルトレーション装置(5)が供されていることを特徴とする、請求項1〜6のいずれか1項に記載の手段。
- 前記生物流体を150℃に加熱するための装置(6)及び前記使用可能流体を冷却するための装置(6)が前記生物流体回路(3)中に供されていることを特徴とする、請求項1〜7のいずれか1項に記載の手段。
- 前記生物流体を45℃に加熱するための装置(6)及び前記使用可能流体を冷却するための装置(6)が前記生物流体回路(3)中に供されていることを特徴とする、請求項1〜8のいずれか1項に記載の手段。
- 前記加熱装置(6)は、前記透析流体回路(2)もしくは前記生物流体回路(3)に対する入口から上流に挿入されており、pHを調節するための装置(4)又は代替物を加えるための装置(7)から下流に挿入されていることを特徴とする、請求項2〜9のいずれか1項に記載の手段。
- 前記吸着体がアルブミンを含んで成ることを特徴とする、請求項1〜10のいずれか1項に記載の手段。
- 前記透析流体が、ヒト血清アルブミンを1〜25g/100mlの濃度で含むことを特徴とする、請求項10に記載の手段。
- 前記透析流体が、ヒト血清アルブミンを2〜10g/100mlの濃度で含むことを特徴とする、請求項10に記載の手段。
- 前記透析流体が、ヒト血清アルブミンを4〜6g/100mlの濃度で含むことを特徴とする、請求項10に記載の手段。
- 請求項1〜10のいずれか1項に記載の、タンパク質に結合した除去されるべき物質を含有する生物流体を透析するための手段であって、前記透析の手段内で使用可能な透析流体が、当該生物流体から除去されるべき物質に対する吸着体を含まない手段。
- 1以上の透析、ろ過又はダイアフィルトレーション装置(5)の下流に備えられた使用可能流体のpHを調整するための1以上の装置(4)が、当該使用可能流体のpHを中性に調整するように適合される、請求項1〜15のいずれか1項に記載の手段。
- 酸又は塩基を加えることによって使用可能流体のpHを調整するための1以上の更なる装置(4)を更に含み、該更なる装置(4)が当該使用可能流体のpHを中性に調整するように適合される、請求項1〜15のいずれか1項に記載の手段。
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| EP02010185A EP1362605A1 (de) | 2002-05-14 | 2002-05-14 | Dialysevorrichtung zur Entfernung proteingebundener Substanzen |
| PCT/EP2003/004940 WO2003094998A1 (de) | 2002-05-14 | 2003-05-12 | Vorrichtung zur entfernung proteingebundener substanzen |
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| JP (1) | JP4417832B2 (ja) |
| KR (1) | KR101126771B1 (ja) |
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| AU (1) | AU2003232755A1 (ja) |
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| DE102007039939B4 (de) * | 2007-08-23 | 2013-03-14 | Albutec Gmbh | Vorrichtung zur Einsparung von Diafiltrat |
| WO2009071103A1 (en) * | 2007-12-03 | 2009-06-11 | Hepa Wash Gmbh | Dialysate regeneration unit |
| EP2399885A1 (en) * | 2010-06-22 | 2011-12-28 | Ulrich Dietz | Device and method for solubilizing, separating, removing and reacting carboxylic acids in aqueous or organic solutions by means of micro- or nanoemulsification |
| US9149613B2 (en) | 2011-02-16 | 2015-10-06 | Sequana Medical Ag | Apparatus and methods for treating intracorporeal fluid accumulation |
| DE102011078700A1 (de) * | 2011-07-05 | 2013-01-10 | Charité - Universitätsmedizin Berlin | Dialyseverfahren zur Entfernung proteingebundener Toxine aus dem Blut von akut oder chronisch-niereninsuffizienten Patienten |
| DE102011078695A1 (de) | 2011-07-05 | 2013-01-10 | Charité - Universitätsmedizin Berlin | Dialyseverfahren zur Entfernung proteingebundener Toxine aus dem Blut von Patienten unter Einsatz hochfrequenter elektromagnetischer Felder |
| AU2012369988B2 (en) * | 2012-02-15 | 2017-02-02 | Sequana Medical Nv | Systems and methods for treating chronic liver failure based on peritioneal dialysis |
| US8585635B2 (en) | 2012-02-15 | 2013-11-19 | Sequana Medical Ag | Systems and methods for treating chronic liver failure based on peritoneal dialysis |
| DE102012025052A1 (de) | 2012-12-20 | 2014-06-26 | Fresenius Medical Care Deutschland Gmbh | Hämodiafiltrationsverfahren |
| DE102012025164A1 (de) | 2012-12-21 | 2014-06-26 | Fresenius Medical Care Deutschland Gmbh | Vorrichtung zur Entfernung proteingebundener Toxine aus Blutplasma |
| DE102013100050A1 (de) * | 2013-01-04 | 2014-07-10 | Charité - Universitätsmedizin Berlin | Vorrichtung und Verfahren zur Entfernung proteingebundener Toxine aus dem Blut von Patienten unter Einsatz eines hochfrequenten, elektromagnetischen Feldes und eines elektrostatischen Gleichfeldes |
| DE102013021957A1 (de) * | 2013-12-20 | 2015-06-25 | Fresenius Medical Care Deutschland Gmbh | Verfahren zur Entfernung proteingebundener Urämietoxine durch Adsorption an dialysierbare Hilfsstoffe |
| WO2017084682A1 (en) | 2015-11-20 | 2017-05-26 | Hepa Wash Gmbh | Method for extracorporeal carbon dioxide removal |
| WO2017084683A1 (en) | 2015-11-20 | 2017-05-26 | Hepa Wash Gmbh | Method for extracorporeal lung support |
| DK3429657T3 (da) | 2016-03-14 | 2022-06-13 | Advitos Gmbh | Systemer eller apparater til at udføre dialyse. |
| AU2017316520A1 (en) | 2016-08-26 | 2019-03-14 | Sequana Medical Nv | Systems and methods for managing and analyzing data generated by an implantable device |
| US10716922B2 (en) | 2016-08-26 | 2020-07-21 | Sequana Medical Nv | Implantable fluid management system having clog resistant catheters, and methods of using same |
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| US11559618B2 (en) | 2017-05-24 | 2023-01-24 | Sequana Medical Nv | Formulations and methods for direct sodium removal in patients having severe renal dysfunction |
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| PT1867354E (pt) | 2012-11-13 |
| ES2394220T3 (es) | 2013-01-23 |
| WO2003094998A1 (de) | 2003-11-20 |
| ATE429941T1 (de) | 2009-05-15 |
| EP1534359A1 (de) | 2005-06-01 |
| JP2005535361A (ja) | 2005-11-24 |
| DE50311483D1 (de) | 2009-06-10 |
| EP1362605A1 (de) | 2003-11-19 |
| EP1867354B1 (de) | 2012-08-29 |
| KR101126771B1 (ko) | 2012-03-30 |
| ES2325811T3 (es) | 2009-09-18 |
| EP1867354A3 (de) | 2010-07-28 |
| PT1534359E (pt) | 2009-06-24 |
| AU2003232755A1 (en) | 2003-11-11 |
| EP1534359B1 (de) | 2009-04-29 |
| KR20050007544A (ko) | 2005-01-19 |
| EP1867354A2 (de) | 2007-12-19 |
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