JP2022506394A - 薬剤耐性を誘導せずにバイオフィルムを処置するための組成物 - Google Patents
薬剤耐性を誘導せずにバイオフィルムを処置するための組成物 Download PDFInfo
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Abstract
Description
本出願は、2018年11月2日に出願された米国仮特許出願第62/755,104号(この内容は、その全体が参照により本明細書に組み込まれる)の優先権および利益を主張する。
本発明は、一般に、特に薬剤耐性を誘導せずにバイオフィルムを処置するための酢酸および次亜塩素酸の組成物に関する。
バイオフィルムを産生する微生物感染症は、深刻な健康問題を引き起こし得る。科学者は、哺乳動物に影響を与えるすべての感染症の最大80%がバイオフィルム感染症であると推定する。バイオフィルム成長細菌は、炎症および組織損傷の持続を特徴とする慢性感染症を引き起こす。慢性感染症は、抗生物質療法および宿主の自然免疫および適応免疫反応ならびに炎症反応にもかかわらず持続する感染症であって、コロニー形成とは対照的に免疫反応および持続病状を特徴とする感染症である。(Hoiby N,Bjarnsholt T,Givskov M,Molin S,Ciofu O.Antibiotic resistance of bacterial biofilms.Int J Antimicrob Agents[Internet].2010 Apr[cited 2014 Jul 14];35(4):322-32)。
従来技術の組成物は様々な欠点を有する。いくつかの従来技術の組成物は、バイオフィルム感染症の処置試行中に薬剤耐性を発展させ、バイオフィルムを処置することをますます困難にする。他の従来技術の組成物は、罹患組織への長期曝露を伴わずにバイオフィルムを根絶することができず、薬剤耐性を誘導する。一方、他の従来技術の組成物は、成熟バイオフィルムを処置することができない。
本明細書に記載される次亜塩素酸および有機酸、例えば酢酸を含む抗菌組成物は、単純な局所殺菌剤から創傷または他の皮膚外傷に至るまで、薬剤耐性を誘導せずに組織中または組織上のバイオフィルムを処置するために有用である。例えば、創傷は、多くの場合、創傷の表面上および表面下に形成する薬剤耐性バイオフィルムを含む微生物感染症に対して感受性であり、これが治癒を妨げて、慢性症状または持続感染につながり得る。次亜塩素酸および酢酸を含む組成物は、組織上のバイオフィルムを処置するために有用であり、薬剤耐性を誘導しない。相乗効果を達成するためにHOClおよびHAcの濃度のバランスを取り、薬剤耐性を誘導せずに、各成分自体の抗菌特性に基づいて予想されるよりも高い抗菌能力の組成物をもたらす。HOClおよびHAcの組成物はまた、薬剤耐性に対する防御において有効である。特にpHを恒常性レベルにする傾向がある環境では、酢酸は、次亜塩素酸の最適性能を可能にする重要な緩衝能力を提供する。例えば、口腔内では、天然pHは約7.4であり、酢酸はその環境で緩衝能力を提供して、HOClの最適活性を可能にする。
加えて、次亜塩素酸は酢酸の毒性をモジュレートし、鎮痛効果を提供して、有害な副作用、患者の不快感または薬剤耐性を伴わずに、皮膚または他の組織へのより強力な組成物の適用を可能にする。最後に、酢酸は、Pseudomonaなどの嫌気性菌に対して特に有効である。酢酸に加えて、他の有機酸、例えばアスコルビン酸、乳酸、ギ酸、リンゴ酸、クエン酸、尿酸および他のカルボン酸またはスルホン酸。加えて、次亜塩素酸および酢酸の組成物は、他の微生物処置の抗菌特性を増強する。
細菌感染症およびバイオフィルムの処置は、有機酸、例えば酢酸および次亜塩素酸を含む相乗的組成物を使用して達成される。酢酸成分は、組織に浸透するために特に有効であり、次亜塩素酸は、組織の外面上のバイオフィルムを処置するために特に有効である。酢酸は、創傷の表面下に最大2mmまたはそれを超えて浸透して、他の方法では到達困難なバイオフィルムを処置し得る。
次亜塩素酸組成物の生産
HCl(水溶液)+NaOCl(水溶液)⇔HOCl(水溶液)+NaCl(水溶液).
または
HAc(水溶液)+NaOCl(水溶液)⇔HOCl(水溶液)+NaA(水溶液).
創傷ケア
他の組織上のバイオフィルムの処置
非組織表面上のバイオフィルムの処置
歯の処置
乳腺炎の処置
創傷および外科的使用
他の医療用途
ナノ粒子カプセル化による制御放出
バイオフィルム処置のための酢酸および次亜塩素酸の組成物
最小阻害濃度
薬剤耐性の誘導を伴わないバイオフィルムの処置
参照による援用
均等物
可視範囲もカバーするように分光光度法を拡張する場合、色を検出することが可能である。HOClの生産中に一般に生産される気体はClO2、Cl2OおよびCl2であり、これらはすべて、黄色または黄赤色として可視範囲で検出可能である。Tzanavarasら、(Central European J.of Chemistry,2007,5(1)1-12)。図9のデータは、本発明の方法により生産されたHOClが、着色物質の欠如により示されているように、着色気体からの吸収を示さないことを示す。HOClは、292nmでピークを生じさせることが公知である(Fengら、2007,J.Environ.Eng.Sci.6,277-284)。
実施例2:
実施例3:塩酸と比較した酢酸
実施例4:手指殺菌剤
Claims (13)
- 薬剤耐性を誘導せずに細菌バイオフィルムを処置するために十分な酢酸および次亜塩素酸を含む、組成物。
- 前記酢酸濃度が0.05%~5.0%である、請求項1に記載の組成物。
- 前記酢酸濃度が約0.25%を超える、請求項1に記載の組成物。
- 前記次亜塩素酸濃度が5ppm~2500ppmである、請求項1に記載の組成物。
- 前記次亜塩素酸濃度がおよそ25ppmである、請求項1に記載の組成物。
- 前記酢酸が、組織に浸透するために十分な濃度で存在する、請求項1に記載の組成物。
- 前記次亜塩素酸が、前記酢酸の毒性特性をモジュレートするために十分な濃度で存在する、請求項1に記載の組成物。
- ゲル、クリーム、軟膏または油で製剤化される、請求項1に記載の組成物。
- 前記酢酸がナノ粒子中にカプセル化される、請求項1に記載の組成物。
- 組織中の細菌感染症を処置するための方法であって、酢酸と、薬剤耐性を誘導せずに前記酢酸の毒性特性をモジュレートするために有効な量の次亜塩素酸とを含む組成物を前記組織に提供することを含む、方法。
- 前記酢酸が、皮膚に浸透するために十分な濃度である、請求項10に記載の方法。
- 前記酢酸が約0.05%~約1.0%の量で存在し、前記次亜塩素酸が約5ppm~約100ppmの濃度で存在する、請求項11に記載の方法。
- 前記組織が皮膚であり、前記次亜塩素酸濃度が約25ppmであり、前記酢酸濃度が約0.0625~約0.25%である、請求項11に記載の方法。
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US6589591B1 (en) | 2001-07-10 | 2003-07-08 | Baylor College Of Medicine | Method for treating medical devices using glycerol and an antimicrobial agent |
US20040186528A1 (en) | 2003-03-20 | 2004-09-23 | Medtronic, Inc. | Subcutaneous implantable medical devices with anti-microbial agents for chronic release |
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2019
- 2019-11-01 CA CA3118187A patent/CA3118187A1/en active Pending
- 2019-11-01 EP EP19836511.6A patent/EP3873450A1/en active Pending
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US20180177822A1 (en) * | 2012-02-17 | 2018-06-28 | SoftOx Solutions AS | Acetic acid and hypochlorous acid compositions for treatment of skin trauma |
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CL2021001141A1 (es) | 2022-03-18 |
PH12021551010A1 (en) | 2021-10-04 |
CA3118187A1 (en) | 2020-05-07 |
MX2021005136A (es) | 2021-10-13 |
WO2020089693A1 (en) | 2020-05-07 |
IL282819A (en) | 2021-06-30 |
EA202191212A1 (ru) | 2021-09-17 |
EP3873450A1 (en) | 2021-09-08 |
KR20220027799A (ko) | 2022-03-08 |
AU2019371088A1 (en) | 2021-06-17 |
CN113747889A (zh) | 2021-12-03 |
BR112021008550A2 (pt) | 2021-08-03 |
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