JP5670336B2 - 全身性炎症の治療のためのポリマー吸着剤の投与 - Google Patents
全身性炎症の治療のためのポリマー吸着剤の投与 Download PDFInfo
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Description
この出願は、2008年10月2日に出願された米国仮特許出願No.61/102,052の優先権を主張し、その内容は、その全体において本明細書に組み込まれる。
本発明の実施形態は、全身性炎症の治療のための方法に関する。より具体的には、本発明の実施形態は、ポリマー吸着剤の治療的に有効な用量を患者に投与することを含む、炎症のメディエータの管腔内(intralumenal)吸着の方法に関する。
一般に、全ての形態のショック(例えば出血性,心原性,敗血性)、組織傷害(例えば外科手術、戦場戦闘員が受けた傷害)、局所的消化管炎症性疾患(例えば炎症性腸疾患)及び/又は虚血は、炎症性メディエータ、凝固因子の活性化及び酸化的ストレスを引き起こす。特に、様々な体液性要素(例えば、補体因子、凝固因子)及び細胞性要素(好中球、内皮細胞、マクロファージ)の活性化により、多くのメディエータ(毒性酸素種、タンパク分解酵素、接着分子、サイトカイン)が発現され、それによって、全身性炎症及びさらなる組織傷害が引き起こされ、最終的には多臓器不全に至る可能性がある。さらに、腸などにおける器官傷害は、関門機能の喪失及び炎症反応の伝播/増幅をもたらす可能性がある。
本発明の実施形態は、関連技術の上記課題を考慮して行われてきた。本発明の一実施形態は、患者において炎症反応を開始させる又は悪化させること、及びポリスチレンジビニルベンゼンコポリマー及びポリビニルピロリドンポリマーといったポリマー吸着剤を含む組成物の治療的に有効な用量を患者に投与することを含む、全身性炎症を改善する方法を提供する。
本発明の実施形態の上記及び他の特徴及び利点は、添付された図面を参照した、その実施形態の詳細な説明によって、より明らかになるだろう。
本発明の実施形態は、全身性炎症の治療のための方法を提供する。また、本発明の実施形態は、ショックの影響を和らげる方法、及び/又は、炎症のメディエータの管腔内吸着の方法に関する。
CYTOSORBビーズ処置及びNF−κB DNA結合
一連の実験において、リポ多糖類(LPS)の静脈注射後に、12体の動物で研究を行った。6体は偽試験用とし、もう6体は、10−gデバイス及び動脈−静脈回路を用いてCYTOSORBで処置した。全動物を4時間のかん流後、安楽死させて、NF−κB DNA結合の判定用に肝臓組織を得た。その結果は、図3に示されているように、偽処置した動物に比べて、CYTOSORB処置した動物では、NF−κB DNA結合が有意に低かったことを示している(p=0.03)。
CYTOSORBビーズ処置及び短期生存
別の一連の実験において、無作為に選んだ40体の動物を、致死のLPS注入後直ちに開始して4時間、血液吸着又は偽回路を用いた処置のいずれかを受けるようランダム化した。4時間目の灌流終了後、引き続き8時間、該動物は輸液蘇生のみを受けた。全動物を12時間目に屠殺した。CYTOSORB処置した動物は、21%の生存時間の増加を示した(p>0.01)。偽かん流群では、20体の動物のうち19体が12時間より前に死亡したが、一方、CYTOSORBによる血液吸着を受けた20体のラットのうち7体は、12時間の時点で生存しており、総体的な生存の向上を示した(5%から35%へ,p=0.02)。CYTOSORB処置した動物の、循環している血漿IL−6、TNF及びIL−10レベルも有意に低く、その濃度は生存時間と逆相関していた(p=0.003)。
腸内CYTOSORBは敗血症ラットの生存を向上させる。
確立された敗血症の致死モデル、腸管穿孔モデル(CLP)を用いて、22体のラットで予備実験を行った。腸内CYTOSORB治療を行った場合及び行わなかった場合の生存を測定した。結果を図4に示す。コントロールと比べ、CYTOSORB処置した動物では、生存が有意に向上した(36%対9%,p=0.03)。この有意な生存の向上が、CYTOSORBビーズの腸内投与のみを用いて得られたことを強調するのは重要である。おそらく、消化管管腔内部におけるこれらのビーズの存在が、胆汁を経由して腸内へ放出された、及び/又は、免疫刺激された腸細胞によって分泌された、有害なメディエータの受け皿として働いたのだと考えられる。
Claims (31)
- 炎症に罹患した患者又はその危険性がある患者における炎症の治療に使用するための組成物であって、該組成物は、炎症のメディエータを吸着する1以上のポリマー吸着剤を含み、かつ該患者に治療有効量で経腸投与されるものであり、該1以上のポリマー吸着剤が、(a)ポリスチレンジビニルベンゼンコポリマー、及び(b)ポリスチレンジビニルベンゼンコポリマーとポリビニルピロリドンポリマーの両方から選択されるものである、前記組成物。
- ポリビニルピロリドンポリマーを含む、請求項1に記載の組成物。
- 組成物の投与が炎症のメディエータの腸内吸着をもたらす、請求項1又は2に記載の組成物。
- 炎症のメディエータが、敗血症、ショック、外科手術、虚血及び再灌流、細胞毒性化学療法、IL−2又は他のサイトカインを用いる化学療法、骨髄操作、主要組織傷害、腸間膜灌流低下、腸粘膜傷害、局所的消化管炎症性疾患、急性肺炎症、膵臓炎、マラリア、関節リウマチ、又は膠原血管病に関連している、請求項1〜3のいずれか1項に記載の組成物。
- 組成物が炎症の発症に先行して投与されるものである、請求項1〜4のいずれか1項に記載の組成物。
- 組成物が経口投与、直腸投与、又は栄養チューブ経由で投与されるものである、請求項1〜5のいずれか1項に記載の組成物。
- 吸着剤が、ビーズの形態である、請求項1〜6のいずれか1項に記載の組成物。
- ビーズが、ポリビニルピロリドンポリマーで被覆されたポリスチレンジビニルベンゼンコポリマーを含む、請求項7に記載の組成物。
- ビーズが、ポリスチレンジビニルベンゼンコポリマー及びポリビニルピロリドンポリマーから本質的になる、請求項7又は8に記載の組成物。
- ビーズの直径が、少なくとも200μmである、請求項7〜9のいずれか1項に記載の組成物。
- ビーズがその表面に孔を有する、請求項7〜10のいずれか1項に記載の組成物。
- 孔の直径が少なくとも10Åである、請求項11に記載の組成物。
- ビーズが孔サイズの分布を含む、請求項11又は12に記載の組成物。
- ビーズが、ビーズ1グラムあたり、少なくとも700m 2の内部表面積を有する、請求項7〜13のいずれか1項に記載の組成物。
- 吸着剤がサイトカインを吸着する、請求項1〜14のいずれか1項に記載の組成物。
- 吸着剤が、TNF、IL−6、IL−10、HMGB−1、IL−8、IL−18、MCP−1、IL−2、IL−1β及びS100Bからなる群から選択される1以上の分子を吸着する、請求項1〜15のいずれか1項に記載の組成物。
- ピル、スラリー、ゲル、又はパウダーの形態である、請求項1〜16のいずれか1項に記載の組成物。
- カプセルの形態である、請求項17に記載の組成物。
- 炎症が全身性である、請求項1〜18のいずれか1項に記載の組成物。
- 炎症が腸粘膜傷害又は局所的消化管炎症性疾患に関連している、請求項1〜19のいずれか1項に記載の組成物。
- (a)ポリスチレンジビニルベンゼンコポリマー、又は(b)ポリスチレンジビニルベンゼンコポリマーとポリビニルピロリドンポリマーの両方を含むビーズを有効成分として含む、経口投与用医薬製剤。
- 1以上の医薬上許容される賦形剤を含む、請求項21に記載の製剤。
- カプセルの形態である、請求項21または22に記載の製剤。
- ピル、スラリー、ゲル、又はパウダーの形態である、請求項21または22に記載の製剤。
- ビーズが、ポリビニルピロリドンポリマーで被覆されたポリスチレンジビニルベンゼンコポリマーを含む、請求項21〜24のいずれか1項に記載の製剤。
- ビーズが、ポリスチレンジビニルベンゼンコポリマー及びポリビニルピロリドンポリマーから本質的になる、請求項21〜25のいずれか1項に記載の製剤。
- ビーズの直径が、少なくとも200μmである、請求項21〜26のいずれか1項に記載の製剤。
- ビーズがその表面に孔を有する、請求項21〜27のいずれか1項に記載の製剤。
- 孔の直径が少なくとも10Åである、請求項28に記載の製剤。
- ビーズが孔サイズの分布を含む、請求項28又は29に記載の製剤。
- ビーズが、ビーズ1グラムあたり、少なくとも700m 2 の内部表面積を有する、請求項21〜30のいずれか1項に記載の製剤。
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PCT/US2009/059426 WO2010040086A1 (en) | 2008-10-02 | 2009-10-02 | Administration of an adsorbent polymer for treatment of systemic inflammation |
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WO2010040086A1 (en) * | 2008-10-02 | 2010-04-08 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Administration of an adsorbent polymer for treatment of systemic inflammation |
MX342421B (es) | 2010-04-01 | 2016-09-28 | Cytosorbents Corp * | Metodo para el tratamiento de inflamacion. |
AU2011325966B2 (en) | 2010-11-12 | 2016-09-29 | Oncour Pharma, Inc. | Modified immune-modulating particles |
PL2863942T3 (pl) | 2012-06-21 | 2019-12-31 | Northwestern University | Cząstki sprzężone z peptydem |
JP6725413B2 (ja) | 2013-03-13 | 2020-07-15 | クール ファーマシューティカルズ ディベロップメント カンパニー インコーポレイテッド | 炎症の治療のための免疫修飾粒子 |
HRP20192270T4 (hr) | 2013-08-13 | 2024-03-01 | Northwestern University | Konjugirane čestice peptida |
CA2963458C (en) * | 2014-10-02 | 2023-09-26 | Cytosorbents Corporation | Use of gastrointestinally administered porous enteron sorbent polymers to prevent or treat radiation induced mucositis, esophagitis, enteritis, colitis, and gastrointestinal acute radiation syndrome |
CN109475840A (zh) * | 2016-05-06 | 2019-03-15 | 黄金企业公司 | 吸附剂组合物、其制备方法及其用途 |
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