JP4414623B2 - 病原微生物および抗微生物剤の検出法、抗微生物剤の薬効評価法ならびに抗微生物剤 - Google Patents
病原微生物および抗微生物剤の検出法、抗微生物剤の薬効評価法ならびに抗微生物剤 Download PDFInfo
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Description
式(I):
[1] 菌液の調製とモルモット趾間型足白癬モデルの作成
ブレインハートインヒュージョン寒天培地(日水製薬(株)製)上にミリポアフィルター(HA、直径47mm、0.45μm、Millipore 社製)を乗せ、その上にトリコフィトン メンタグロフィテス KD−04株(Trichophyton mentagrophytes KD−04)の小分生子106個を塗抹したあと、17%CO2存在下、30℃で7日間培養した。培養後、フィルター上に0.05%ツイン(Tween)80添加生理食塩水を適量滴下し、白金耳を用いて分節胞子を回収した。菌糸塊を滅菌ガーゼでろ過し除去後、ろ液中の分節胞子数を血球計算盤で算定し、1×108分節胞子/mlの濃度に調整し、接種菌液とした。
被検体としては市販の1%ラノコナゾール液剤(商品名:アスタット液)およびKP−103をポリエチレングリコ−ル#400:エタノ−ル(75:25v/v)混液に1%濃度で溶解した液剤を用いた。感染10日後から1日1回、10日間、0.1mlを足裏皮膚に塗布治療した。
以下に、従来法を記述する。薬剤の塗布を行なっていない感染対照群、KP−103治療群およびラノコナゾール治療群の各群につきモルモット(以下、動物という)10匹とし、最終治療の2日後および30日後にそれぞれの群の動物を安楽死させたあと後足2足を採取し酒精綿で充分に清拭したあと、足裏皮膚を切り出し、足底部から12個および足指部から3個の計15個の皮膚片に切り分けた。皮膚片をクロラムフェニコ−ル(和光純薬工業(株)製)50μg/ml、ゲンタマイシン(シェ−リング・プラウ)100μg/ml、5−フルオロシトシン(和光純薬工業(株)製)50μg/ml、シクロヘキシミド(ナカライテスク(株)製)1mg/mlを含むサブローデキストロースアガー(Difco社製)培地(20ml)の上に乗せた。培地に添加した抗生物質は細菌を生育させない一方、真菌の生育には支障の無い条件で設定した。30℃で10日間培養したあと、すべての皮膚片に菌の発育が観察されない場合を菌陰性化とし菌陰性化足数を求めた。最終治療30日後の薬効評価においては、再感染防止のために最終治療の2日後に治療足を酒精綿で清拭したあと足を包帯で固定し、包帯を1週間毎に交換した。最終治療2日後と30日後のKP−103およびラノコナゾールの治療効果を表1に示す。
比較例1に準じてモデルを作成し、被検体のラノコナゾールはKP−103と同一の基剤を用いて1%液剤を調製し治療実験に供した。薬剤の塗布を行なっていない感染対照群、KP−103治療群およびラノコナゾール治療群の各群につき動物20匹とし、最終治療5日後に比較例1と同様にして各動物から後足2足ずつを採取し、左足計20足を従来法での評価に用い、右足計20足を本評価法での評価に用いた。
実施例1において最終治療5日後に各動物から右足20足を採取したあと、酒精綿で充分に清拭し足裏皮膚を切り取った。皮膚をハサミで充分に切り刻んだあとに、透析膜(分画分子量:12000〜14000、セルロース製、VISKASE SALES社製)に入れ、蒸留水4mlを加え、蒸留水3L中で4℃で2日間透析した。透析水は1日2回合計4回交換した。内容物をガラスホモジナイザーに移し、4%ブタ膵臓由来トリプシン(BIOZYME社製)を含む2倍濃度のリン酸緩衝化生理食塩液4mlを加え、ホモジナイズした。37℃で1時間放置した。2枚重ねのガーゼでろ過し、ろ液を遠心分離した。上清を除去した沈澱物に2%トリプシンを含むリン酸緩衝化生理食塩液8mlを加え、さらに37℃で1時間振盪して反応させた。遠心分離後、上清を除去した沈澱をリン酸緩衝化生理食塩液で遠心分離にて3回洗浄しトリプシンを除去した。沈澱物に同生理食塩液2mlを加え懸濁液とした。
比較例1に記載の抗生物質を含むサブローデキストロースアガー培地(20ml)2枚ずつに前記実施例2で得た各動物の右足1足の懸濁液をそれぞれ100μlずつ塗布し、30℃で10日間培養した。培養後、培地2枚に菌のコロニーが観察されない場合を菌陰性化とし(検出限界:10個/足)菌陰性化足数を求めた。一方、左足20足については比較例1と同様の方法により評価した。従来法と本評価法での治療効果の比較の結果を表2に示す。
[1] 菌液の調製とモルモット爪および足白癬モデルの作成
前記比較例1の前処理の菌液の調製において、菌株トリコフィトン メンタグロフィテス KD−04株を、トリコフィトン メンタグロフィテス SM−110株とし、そのほかは同一の方法で菌液を調製した。
被検物質として液剤はKP−103、アモロルフィンおよびタービナフィン原末をそれぞれポリエチレングリコ−ル#400:エタノ−ル(75:25v/v)混液に1%濃度で溶解し調製した。タービナフィンのカプセル剤は市販の錠剤を破砕したのち、ミグリオール812(ミツバ貿易(株))に100mg/mlになるようにガラスホモジナイザーを用いて均一に懸濁させ、投与当日に体重を測定し、40mg/kgになるようにカプセルに分注し調製した。感染60日目から1日1回、連日30日間、KP−103、アモロルフィンおよびタービナフィンの液剤0.1mlを1足の足裏皮膚および爪に塗布し、タービナフィンのカプセル剤は1カプセル(40mg/kg)を経口投与した。
爪白癬に対する効果は以下の方法で評価した。
実施例4に記載した各動物から、後足の足裏皮膚を切り取り、前記実施例2の薬剤除去および残留薬剤の確認において、残留薬剤除去のための透析期間を3日間、透析水の交換を合計6回とし、そのほかは同一の方法で薬剤除去および残留薬剤の確認を行ない、残留薬剤が充分に除去できていることを確認した。
Claims (1)
- (2R,3R)−2−(2,4−ジフルオロフェニル)−3−(4−メチレンピペリジン−1−イル)−1−(1H−1,2,4−トリアゾール−1−イル)ブタン−2−オールまたはその塩を有効成分として含有する外用爪真菌症治療剤。
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| JP11-214369 | 1999-07-28 | ||
| JP21436999 | 1999-07-28 | ||
| PCT/JP2000/004617 WO2001007643A1 (en) | 1999-07-28 | 2000-07-11 | Method for detecting pathogenic microorganism and antimicrobial agent, method for evaluating the drug effect of antimicrobial agent, and antimicrobial agents |
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| JP2009233792A Division JP2010004893A (ja) | 1999-07-28 | 2009-10-07 | 病原微生物および抗微生物剤の検出法、抗微生物剤の薬効評価法ならびに抗微生物剤 |
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| JP2009233792A Pending JP2010004893A (ja) | 1999-07-28 | 2009-10-07 | 病原微生物および抗微生物剤の検出法、抗微生物剤の薬効評価法ならびに抗微生物剤 |
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| EP (2) | EP2112228A1 (ja) |
| JP (2) | JP4414623B2 (ja) |
| AT (1) | ATE434667T1 (ja) |
| AU (1) | AU5852400A (ja) |
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| DE (1) | DE60042453D1 (ja) |
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| KR20220150829A (ko) | 2021-05-04 | 2022-11-11 | 주식회사 제뉴원사이언스 | 에피나코나졸을 함유하는 액상 형태의 약학적 조성물 |
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| PT2116243E (pt) | 2006-12-28 | 2010-10-26 | Kaken Pharma Co Ltd | Composição de gel para tratamento de micoses |
| WO2009081977A1 (ja) * | 2007-12-25 | 2009-07-02 | Pola Pharma Inc. | 真菌を感染させた動物の被感染爪 |
| US20090175810A1 (en) * | 2008-01-03 | 2009-07-09 | Gareth Winckle | Compositions and methods for treating diseases of the nail |
| US20100291182A1 (en) * | 2009-01-21 | 2010-11-18 | Arsenal Medical, Inc. | Drug-Loaded Fibers |
| US10420862B2 (en) | 2009-08-24 | 2019-09-24 | Aresenal AAA, LLC. | In-situ forming foams for treatment of aneurysms |
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| US8039494B1 (en) | 2010-07-08 | 2011-10-18 | Dow Pharmaceutical Sciences, Inc. | Compositions and methods for treating diseases of the nail |
| US9194058B2 (en) | 2011-01-31 | 2015-11-24 | Arsenal Medical, Inc. | Electrospinning process for manufacture of multi-layered structures |
| US8968626B2 (en) | 2011-01-31 | 2015-03-03 | Arsenal Medical, Inc. | Electrospinning process for manufacture of multi-layered structures |
| US9034240B2 (en) | 2011-01-31 | 2015-05-19 | Arsenal Medical, Inc. | Electrospinning process for fiber manufacture |
| US8993831B2 (en) | 2011-11-01 | 2015-03-31 | Arsenal Medical, Inc. | Foam and delivery system for treatment of postpartum hemorrhage |
| WO2015051183A1 (en) | 2013-10-03 | 2015-04-09 | Dow Pharmaceutical Sciences, Inc. | Stabilized efinaconazole compositions |
| KR20160087898A (ko) | 2013-11-22 | 2016-07-22 | 다우 파마슈티컬 사이언시즈, 인코포레이티드 | 항감염 방법,조성물,및 장치 |
| JP2018502165A (ja) * | 2015-01-20 | 2018-01-25 | ペリゴ・エーピーアイ・リミテッド | エフィナコナゾールの結晶形態 |
| KR102060546B1 (ko) | 2019-06-07 | 2019-12-30 | 주식회사 바이오빌리프 | 에피나코나졸을 함유하는 용액 형태의 국소 투여용 약학 조성물 |
| JP7440073B2 (ja) * | 2020-07-30 | 2024-02-28 | 国立大学法人広島大学 | 生存細菌の検出方法及びそのためのキット |
| KR102301743B1 (ko) * | 2020-12-29 | 2021-09-13 | 대봉엘에스 주식회사 | 에피나코나졸 경구용 조성물 |
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| NZ233502A (en) * | 1989-06-09 | 1991-11-26 | Janssen Pharmaceutica Nv | 4-(1,2,4-triazole- or imidazole-phenyl-substituted) -1-(1,3-dioxolan-4-ylmethoxyphenyl) piperazine derivatives; preparatory processes: fungicidal and antiviral compositions |
| ATE161257T1 (de) * | 1993-05-10 | 1998-01-15 | Kaken Pharma Co Ltd | Azolylamin-derivat |
| AU686685B2 (en) * | 1993-10-25 | 1998-02-12 | Ribogene, Inc. | Methods for screening for antimycotics |
| JP3404152B2 (ja) * | 1994-10-04 | 2003-05-06 | ポーラ化成工業株式会社 | 抗真菌剤の評価法 |
| JP3129662B2 (ja) * | 1996-07-16 | 2001-01-31 | グンゼ株式会社 | 皮膚刺激判定法 |
| CA2278328C (en) * | 1998-02-09 | 2008-07-22 | Macrochem Corporation | Antifungal nail lacquer and method using same |
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- 2000-07-11 WO PCT/JP2000/004617 patent/WO2001007643A1/ja not_active Ceased
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- 2000-07-11 PT PT00944390T patent/PT1205559E/pt unknown
- 2000-07-11 AT AT00944390T patent/ATE434667T1/de active
- 2000-07-11 ES ES00944390T patent/ES2328785T3/es not_active Expired - Lifetime
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220150829A (ko) | 2021-05-04 | 2022-11-11 | 주식회사 제뉴원사이언스 | 에피나코나졸을 함유하는 액상 형태의 약학적 조성물 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1205559A4 (en) | 2004-11-17 |
| JP2010004893A (ja) | 2010-01-14 |
| CA2391274A1 (en) | 2001-02-01 |
| US7214506B2 (en) | 2007-05-08 |
| CY1109281T1 (el) | 2014-07-02 |
| DE60042453D1 (de) | 2009-08-06 |
| DK1205559T3 (da) | 2009-09-28 |
| PT1205559E (pt) | 2009-08-04 |
| AU5852400A (en) | 2001-02-13 |
| ATE434667T1 (de) | 2009-07-15 |
| CA2391274C (en) | 2010-12-14 |
| ES2328785T3 (es) | 2009-11-18 |
| WO2001007643A1 (en) | 2001-02-01 |
| US20080003636A1 (en) | 2008-01-03 |
| US20070082375A1 (en) | 2007-04-12 |
| EP2112228A1 (en) | 2009-10-28 |
| EP1205559A1 (en) | 2002-05-15 |
| EP1205559B1 (en) | 2009-06-24 |
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