JP2009501065A - 創傷被覆材ならびにその製作および使用の方法 - Google Patents
創傷被覆材ならびにその製作および使用の方法 Download PDFInfo
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- JP2009501065A JP2009501065A JP2008521578A JP2008521578A JP2009501065A JP 2009501065 A JP2009501065 A JP 2009501065A JP 2008521578 A JP2008521578 A JP 2008521578A JP 2008521578 A JP2008521578 A JP 2008521578A JP 2009501065 A JP2009501065 A JP 2009501065A
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- agent
- water
- soluble glass
- wound dressing
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Abstract
Description
前記膜形成高分子担体の中に埋込まれるおよび/またはその表面上に被覆される水溶性ガラス封入抗菌剤と、を含む。例示的実施形態において、前記膜形成高分子は、水溶性でんぷんである。例示的実施形態において、前記水溶性ガラスは、五酸化リン、および例えば銀カチオンなどの抗菌金属カチオン源を含む。
抗菌創傷被覆材に使用される抗菌水溶性ガラス組成は、調製される。その組成は、ナトリウム、カルシウム、リン、亜鉛、および酸化銀のうちの少なくとも一つから成る無機ポリマーである。水溶性ガラスの組成は、少なくとも部分的にはその化学組成によって溶解速度が決定される無機水溶性高分子として最も適切であるマトリクス形状で形成される。CorgleaesTMの商品名で入手可能であるガラスマトリクスは、異なる送達方式で制御放出を提供するように改質可能である。マトリクスを構成する化学成分の割合に基づいて、溶解速度は制御される。より処理制御を実行する粒径も、溶解速度を変更できる。水環境に露出すると、ネットワーク結合酸素橋が加水分解され、マトリクスを溶解し、イオン形で成分を周囲環境に放出する。
水溶性膜形成高分子担体は、親水性のでんぷん高分子を使用して調製される。商品名VeloxTMでNational Starch and Chemical Corporationより、一つのでんぷんが提供される。でんぷんは、水環境と接触すると急速な溶解度を確実にするように改質されているため、水環境において溶解する。出願人は、VeloxTMでんぷん膜が、その他の膜形成高分子よりも速い溶解速度を有することが可能であるということを知る。当然、例えば溶解特性などの同様の特性を有するその他の市販の水溶性または水分溶解可能なでんぷんは、VeloxTMでんぷんと代替的またはそれに付加的に使用可能である。例えば、以下の水分溶解可能なでんぷんまたは高分子のうちの一つ以上は、VeloxTMでんぷんに代替的または付加的に使用可能である:焙焼でんぷんであり、デキストリン形状で表面被覆または接着剤として使用可能であるトウモロコシでんぷん;アルカリ処理セルロース由来のセルロースエーテルであるヒドロキシプロピルメチルセルロース(HPMC)(活性剤封入のためのゼラチンの代替として使用可能);植物細胞壁由来の異糖類であるペクチン(特定の状態で、ペクチンはゲルを形成可能であり、湿潤状態で溶解する経口粘滑剤としても使用可能);およびでんぷんより生成される細胞外細菌性多糖類であるプルラン(プルランは、水によく溶解し、膜形成能力も有する)。その他の例として、タピオカでんぷん、アルギン酸ナトリウム、シクロデキストリンが挙げられるがそれだけに限定されない。
例示的な製品および方法が、その具体的な実施形態を参照して詳細に記載されたが、さまざまな変更および修正が加えられ、均等物が添付の請求項の範囲から逸脱することなく使用されることが当業者に明白である。
Claims (59)
- 水溶性膜形成高分子担体と、
水溶性ガラス封入抗菌剤であって、該担体の中に埋込まれるものと該担体の表面上に被覆されるものとのうちの少なくとも一つである、水溶性ガラス封入抗菌剤と
を含む、抗菌創傷被覆材。 - 膜形成高分子の量および前記水溶性ガラス封入抗菌剤の量は、抗菌剤の第一の放出および抗菌剤の少なくとも一つの後続の持続放出を提供するように有効であり、該第一の放出は、該少なくとも一つの後続の持続放出よりも、抗菌剤の持続時間が短いが、濃度が高い、請求項1に記載の創傷被覆材。
- 前記水溶性ガラス封入抗菌剤は、多段放出方式を提供するために、複数の異なる所定のサイズ範囲の粒子形状で提供され、初期放出段階は、最小粒径範囲の粒子の溶解によってもたらされ、少なくとも一つの後続の放出段階は、より大きい粒径範囲の粒子の溶解によってもたらされる、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスは、Na2O、CaO、Ag2O、B2O3、ZnO、MgO、A12O3、P2O5、およびその組み合わせから成る群から選択される少なくとも一つの要素を含む、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスは、約3mol.%から約36mol.%のNa2O、約0mol.%から約42mol.%のCaO、約0mol.%から約16mol.%のAg2O、約0mol.%から約5mol.%のB2O3、約0mol.%から約26mol.%のZnO、約0mol.%から約37mol.%のMgO、約0mol.%から約7mol.%のA12O2、約0mol.%から約53mol.%のP2O5を含む、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスの溶解速度は、約0.001μg/cm2/hrから約500μg/cm2/hrである、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスは、約300°Cから約650°Cの軟化温度を有する、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスによって封入される前記抗菌剤が銀から成る場合、該抗菌剤は、該水溶性ガラス封入抗菌剤の総重量に基づいて約0.1wt.%から約90wt.%の間の量で存在する、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスは、繊維、粉末、顆粒、またはその組み合わせのうちの少なくとも一つの形状である、請求項1に記載の創傷被覆材。
- 前記水溶性ガラスに封入される前記抗菌剤は、金属カチオンである、請求項1に記載の創傷被覆材。
- 前記抗菌剤は、酸化ナトリウム、酸化カルシウム、酸化リン、酸化亜鉛、酸化銀、およびその組み合わせのうちの少なくとも一つを含む、請求項1に記載の創傷被覆材。
- 前記抗菌剤は、酸化銀、酸化銅、酸化亜鉛、および酸化ホウ素のうちの少なくとも一つを含む、請求項11に記載の創傷被覆材。
- 成長因子、鎮痛剤、止血剤、抗血栓薬、麻酔剤、抗炎症薬、抗癌剤、血管拡張物質、創傷治癒剤、血管形成剤、血管形成阻害剤、免疫向上剤、緩衝化合物、組織足場剤、別の抗菌剤、皮膚シール剤、およびその組み合わせから成る群から選択される少なくとも一つ追加の活性剤をさらに含む、請求項1に記載の創傷被覆材。
- 少なくとも一つの追加の活性剤をさらに含み、該少なくとも一つの追加の活性剤は、創傷清拭剤である、請求項1に記載の創傷被覆材。
- 前記その他の抗菌剤は、クロルヘキシジン、クロルヘキダイン塩、トリクロサン、ポリミキシン、テトラサイクリン、アミノグリコシド、リファンピシン、バシトラシン、エリスロマイシン、ネオマイシン、クロラムフェニコール、ミコナゾール、キノロン、ペニシリン、ノノキシノール9、フシジン酸、セファロスポリン、ムピロシン、メトロニダゾール、セクロピン、プロテグリン、バクテリオシン、デフェンシン、ニトロフラゾン、マフェナイド、アシクロビル、バンコマイシン、クリンダマイシン、リンコマイシン、スルホンアミド、ノルフロキサシン、ペフロキサシン、ナリジクス酸、シュウ酸、エノキサシン酸、シプロフロキサシン、それらの組み合わせ、および同様なものから成る群から選択される、請求項13に記載の創傷被覆材。
- 前記抗菌剤はPHMBを含む、請求項1に記載の創傷被覆材。
- 前記抗菌剤はPHMB誘導体を含む、請求項1に記載の創傷被覆材。
- 前記PHMB誘導体は、生分解性ビグアニドである、請求項17に記載の創傷被覆材。
- 前記PHMB誘導体は、PEHMBである、請求項17に記載の創傷被覆材。
- 前記抗菌剤は、前記膜形成高分子担体および/または該担体の中に埋込まれるまたは該担体の上に被覆される水溶性ガラスの溶解、ならびに電場または信号、pH、温度、時間、圧力、湿気、細菌性細胞シグナリング、例えば紫外線などの光、およびその組み合わせによって誘発される放出から成る群から選択される少なくとも一つの方法によって放出される、請求項17に記載の創傷被覆材。
- 抗菌創傷被覆材を作製する方法であって、
水溶性膜形成高分子担体を提供するステップと、
水溶性ガラス封入抗菌剤を、該水溶性膜形成高分子担体の中に埋込むステップまたは該担体の表面上に被覆するステップのうちの少なくとも一つのステップと
を提供する、方法。 - 水溶性膜形成高分子担体の量およびそこに埋込まれるおよび/またはその上に被覆される水溶性ガラス封入抗菌剤の量は、抗菌剤の第一の放出および抗菌剤の少なくとも一つの後続の持続放出を提供するように有効であり、該第一の放出は、該少なくとも一つの後続の持続放出よりも、抗菌剤の持続時間が短いが、濃度が高い、請求項21に記載の方法。
- 前記水溶性ガラス封入抗菌剤は、多段放出方式を提供するために、複数の異なる所定のサイズ範囲の粒子形状で提供され、初期放出段階は、最小粒径範囲の粒子の溶解によってもたらされ、少なくとも一つの後続の放出段階は、より大きい粒径範囲の粒子の溶解によってもたらされる、請求項21に記載の方法。
- 前記水溶性ガラスは、Na2O、CaO、Ag2O、B2O3、ZnO、MgO、A12O3、P2O5、およびその組み合わせから成る群から選択される少なくとも一つの部材を含む、請求項21に記載の方法。
- 前記水溶性ガラスは、約3mol.%から約36mol.%のNa2O、約0mol.%から約42mol.%のCaO、約0mol.%から約16mol.%のAg2O、約0mol.%から約5mol.%のB2O3、約0mol.%から約26mol.%のZnO、約0mol.%から約37mol.%のMgO、約0mol.%から約7mol.%のA12O3、約0mol.%から約53mol.%のP2O5を含む、請求項21に記載の方法。
- 前記水溶性ガラスの溶解速度は、約0.001μg/cm2/hrから約500μg/cm2/hrである、請求項21に記載の方法。
- 前記水溶性ガラスの軟化温度は、約300°Cと約650°Cの間である、請求項22に記載の方法。
- 前記水溶性ガラスに封入される前記抗菌剤が銀を含む場合、銀の量は、該抗菌剤の総重量に基づいて約0.1wt.%と約90wt.%の間である、請求項23に記載の方法。
- 前記水溶性ガラス封入抗菌剤は、繊維、粉末、顆粒、およびその組み合わせから成る群から選択される少なくとも一つの形状である、請求項21に記載の方法。
- 前記水溶性ガラスに封入される前記抗菌剤は、金属カチオンである、請求項21に記載の方法。
- 前記抗菌剤は、酸化ナトリウム、酸化カルシウム、酸化リン、酸化亜鉛、酸化銀、およびその組み合わせのうちの少なくとも一つを含む、請求項21に記載の方法。
- 前記抗菌剤は、酸化銀、酸化銅、酸化亜鉛、および酸化ホウ素のうちの少なくとも一つを含む、請求項31に記載の方法。
- 少なくとも一つの追加の活性剤を前記担体および/または水溶性ガラスに取り入れるステップをさらに含み、前記少なくとも一つの追加の活性剤は、成長因子、鎮痛剤、止血剤、抗血栓薬、麻酔剤、抗炎症薬、抗癌剤、血管拡張物質、創傷治癒剤、血管形成剤、血管形成阻害剤、免疫向上剤、緩衝化合物、組織足場剤、別の抗菌剤、およびその組み合わせから成る群から選択される、請求項21に記載の方法。
- 少なくとも一つの追加の活性剤を前記担体および/または水溶性ガラスに取り入れるステップをさらに含み、少なくとも一つの追加の活性剤は、創傷清拭剤である、請求項21に記載の方法。
- 少なくとも一つの追加の活性剤を前記担体および/または水溶性ガラスに取り入れるステップをさらに含み、前記少なくとも一つの追加の活性剤は、創傷清拭剤である、請求項21に記載の方法。
- もう一つの抗菌剤は、クロルヘキシジン、クロルヘキダイン塩、トリクロサン、ポリミキシン、テトラサイクリン、アミノグリコシド、リファンピシン、バシトラシン、エリスロマイシン、ネオマイシン、クロラムフェニコール、ミコナゾール、キノロン、ペニシリン、ノノキシノール9、フシジン酸、セファロスポリン、ムピロシン、メトロニダゾール、セクロピン、プロテグリン、バクテリオシン、デフェンシン、ニトロフラゾン、マフェナイド、アシクロビル、バンコマイシン、クリンダマイシン、リンコマイシン、スルホンアミド、ノルフロキサシン、ペフロキサシン、ナリジクス酸、シュウ酸、エノキサシン酸、シプロフロキサシン、それらの組み合わせ、および同様なものから成る群から選択される、少なくとも一つの薬剤である、請求項21に記載の方法。
- 前記抗菌剤はPHMBを含む、請求項21に記載の方法。
- 前記抗菌剤はPHMB誘導体を含む、請求項21に記載の方法。
- 前記PHMB誘導体は、生分解性ビグアニドである、請求項38に記載の方法。
- 前記PHMB誘導体は、PEHMBである、請求項38に記載の方法。
- 創傷を治療する方法であって、該方法は、
創傷被覆材を創傷に適用するステップを含み、
該被覆材は、水溶性膜形成高分子担体と、水溶性ガラス封入抗菌剤であって、該担体の中に埋込まれるものと該担体の表面上に被覆されるものとのうちの少なくとも一つである、水溶性ガラス封入抗菌剤とを含む、方法。 - 前記担体および水溶性ガラス封入抗菌剤の量は、抗菌剤の第一の放出と、その後の抗菌
剤の少なくとも一つの後続の持続放出を前記創傷に接触後に提供するように有効であり、該第一の放出は、該少なくとも一つの後続の持続放出よりも、抗菌剤の持続時間が短いが、濃度が高い、請求項41に記載の方法。 - 前記水溶性ガラス封入抗菌剤は、多段放出方式を提供するために、複数の異なる所定のサイズ範囲の粒子形状で提供され、初期放出段階は、最小粒径範囲の粒子の溶解によってもたらされ、少なくとも一つの後続の放出段階は、より大きい粒径範囲の粒子の溶解によってもたらされる、請求項41に記載の方法。
- 前記水溶性ガラス封入抗菌剤は、Na2O、CaO、Ag2O、B2O3、ZnO、MgO、A12O3、P2O5、およびその組み合わせから成る群から選択される少なくとも一つの部材を含む、請求項41に記載の方法。
- 前記水溶性ガラスは、約3mol.%から約36mol.%のNa2O、約0mol.%から約42mol.%のCaO、約0mol.%から約16mol.%のAg2O、約0mol.%から約5mol.%のB2O3、約0mol.%から約26mol.%のZnO、約0mol.%から約37mol.%のMgO、約0mol.%から約7mol.%のA12O3、約0mol.%から約53mol.%のP2O5を含む、請求項41に記載の方法。
- 前記水溶性ガラスの溶解速度は、約0.001μg/cm2/hrと約500μg/cm2/hrの間である、請求項41に記載の方法。
- 前記水溶性ガラスの軟化温度は、約300°Cから約650°Cの間である、請求項41に記載の方法。
- 前記水溶性ガラス封入抗菌剤が銀を含む場合、該銀は、前記抗菌剤の総重量に基づいて約0.01wt.%と約90wt.%の間の量で存在する、請求項41に記載の方法。
- 前記水溶性ガラス封入抗菌剤は、繊維、粉末、顆粒、およびその組み合わせから成る群から選択される少なくとも一つの形状である、請求項41に記載の方法。
- 前記抗菌剤は金属カチオンである、請求項41に記載の方法。
- 前記抗菌剤は、酸化ナトリウム、酸化カルシウム、酸化リン、酸化亜鉛、および酸化銀のうちの少なくとも一つを含む、請求項41に記載の方法。
- 前記抗菌剤は、酸化銀、酸化銅、酸化亜鉛、および酸化ホウ素のうちの少なくとも一つを含む、請求項41に記載の方法。
- 少なくとも一つのその他の活性剤を前記創傷に投与するステップをさらに含み、該少なくとも一つのその他の活性剤は、成長因子、鎮痛剤、止血剤、抗血栓薬、麻酔剤、抗炎症薬、抗癌剤、血管拡張物質、創傷治癒剤、血管形成剤、血管形成阻害剤、免疫向上剤、緩衝化合物、組織足場剤、別の抗菌剤、およびその組み合わせから成る群から選択される、請求項41に記載の方法。
- 少なくとも一つのその他の活性剤を前記創傷に投与するステップをさらに含み、該少なくとも一つのその他の活性剤は、創傷清拭剤である、請求項41に記載の方法。
- 前記少なくとも一つのその他の抗菌剤は、クロルヘキシジン、クロルヘキダイン塩、トリクロサン、ポリミキシン、テトラサイクリン、アミノグリコシド、リファンピシン、バシトラシン、エリスロマイシン、ネオマイシン、クロラムフェニコール、ミコナゾール、キノロン、ペニシリン、ノノキシノール9、フシジン酸、セファロスポリン、ムピロシン、メトロニダゾール、セクロピン、プロテグリン、バクテリオシン、デフェンシン、ニトロフラゾン、マフェナイド、アシクロビル、バンコマイシン、クリンダマイシン、リンコマイシン、スルホンアミド、ノルフロキサシン、ペフロキサシン、ナリジクス酸、シュウ酸、エノキサシン酸、フシジン酸、それらの組み合わせ、および同様なものから成る群から選択される、請求項53に記載の方法。
- 前記抗菌剤はPHMBを含む、請求項41に記載の方法。
- 前記少なくとも一つのその他の活性剤は、前記創傷被覆材の適用前、適用中、適用後のうちの少なくとも一つに投与される、請求項53に記載の方法。
- 前記その他の活性剤は、前記創傷被覆材の適用中に投与され、前記その他の活性剤は、前記担体および/または水溶性ガラスの中に埋込まれたものと、該担体および/または水溶性ガラスの表面上に被覆されたものとのうち少なくとも一つである、請求項57に記載の方法。
- 前記膜形成高分子担体および/または該担体の中に埋込まれるまたは該担体の上に被覆される水溶性ガラスの溶解、ならびに電場または信号、pH、温度、時間、圧力、湿気、細菌性細胞シグナリング、例えば紫外線などの光、およびその組み合わせによって誘発される放出から成る群から選択される少なくとも一つの方法を使用して、前記抗菌剤を放出するステップをさらに含む、請求項41に記載の方法。
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| US69950005P | 2005-07-15 | 2005-07-15 | |
| PCT/US2006/027089 WO2007011612A2 (en) | 2005-07-15 | 2006-07-13 | Wound dressing and methods of making and using the same |
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| JP2009501065A5 JP2009501065A5 (ja) | 2012-02-16 |
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| EP (1) | EP1904014B1 (ja) |
| JP (1) | JP2009501065A (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| IL188730A0 (en) | 2008-08-07 |
| EP1904014B1 (en) | 2016-09-07 |
| BRPI0613046A2 (pt) | 2010-12-14 |
| EP1904014A2 (en) | 2008-04-02 |
| WO2007011612A3 (en) | 2007-04-26 |
| US20110295190A1 (en) | 2011-12-01 |
| US20070020320A1 (en) | 2007-01-25 |
| WO2007011612A2 (en) | 2007-01-25 |
| EP1904014A4 (en) | 2011-11-09 |
| MX2008000582A (es) | 2008-03-14 |
| AU2006270308A1 (en) | 2007-01-25 |
| CN101252905A (zh) | 2008-08-27 |
| CA2615368A1 (en) | 2007-01-25 |
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