JP2021512177A - 皮膚バリア破壊の治療および予防のための方法および組成物 - Google Patents
皮膚バリア破壊の治療および予防のための方法および組成物 Download PDFInfo
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Abstract
Description
−非極性脂質:蜜蝋および/またはn−アルカンとして、ステロール/ワックスエステルから得られる。
−リン脂質:水素化またはヒドロキシル化された、レシチン、フィトスフィンゴシン、セラミド、スフィンゴシン、スフィンガニンおよびフィトスフィンゴシン、およびそれらの混合物。酸化安定性の観点から、約20のヨウ素価で水素化またはヒドロキシル化されたリン脂質が好ましい。角質層の脂質ラメラに1重量%程度の少量の存在であっても、フィトスフィンゴシンは、その抗菌活性のため、非常に重要である。加えて、フィトスフィンゴシンは、セラミドの前駆体である。
−脂肪または油としてのトリグリセリド(例えば、パーム、ココナッツ、オリーブ、ニーム、ザクロ、アボカド、およびその他既存のものすべて)。
−脂肪酸(FA)および遊離脂肪酸(FFA)カルボン酸。8−25個の炭素原子を含む飽和もしくは不飽和脂肪酸、またはそれらの組み合わせが使用される(例えば、ミリスチン酸、パルミチン酸、パルミトレイン酸、ステアリン酸、オレイン酸、リノール酸、アラキジン酸およびその他すべての既存のもの)。好ましくは約12〜約22個の炭素原子を有する高級モノカルボン酸。飽和または不飽和の、置換または非置換脂肪酸。
飽和または不飽和脂肪、脂肪誘導体、脂質、脂質誘導体、脂肪酸、飽和または不飽和脂肪酸、脂肪酸塩水和物、脂肪酸エステル、脂肪酸誘導体、脂肪酸塩、塩基性金属脂肪酸、塩基性金属脂肪酸塩、塩基性金属脂肪酸塩誘導体、酸性金属脂肪酸、酸性金属脂肪酸塩、酸性金属脂肪酸塩誘導体、ステロール、グリセロールエステル、両親媒性脂質、ホモおよび/またはヘテロトリグリセリド、ジグリセリド、モノグリセリド、トリアシルグリセロール、非極性脂質、グリセロールリン酸エステル、グリセロホスファチド、ホスファチジン酸、ホスファチジン酸誘導体、ホスファチジルコリン(別名レシチン)、ホスファチジルエタノールアミン(別名セファリン)、ホスファチジルセリン、ホスファチジルイノシトール、リン脂質、スフィンゴ脂質、プラズマロゲン、ステロール、ステロールエステル、プレノール脂質、ポリプレノール、プレノールエステル、アルカン、タンパク質、リポソーム、吸湿性物質のうちの少なくとも1つ、および/またはそれらの組み合わせを、少なくとも40、50、60、70、80または90%w/w含む組成物。脂質は、自然発生分子の基を有し、脂肪、ワックス、ステロール、フィトステロール、脂溶性ビタミン(ビタミンA、C、D、EおよびKなど)が含まれる。
a.任意で、皮膚バリア機能への損傷が比較的少ないか、ほとんどない、40、50、60、70、80、または90%の両親媒性分子。
b.任意で、水、炭化水素またはそれらの混合物、または非水性溶媒担体から選択される少なくとも1つの、60、50、40、30、または20、10%w/w未満の液相。
c.任意で、有機および/または無機の相変化物質(PCM)から選択される、0〜90%の濃度の少なくとも1つのPCMまたはPCMの組み合わせ、ならびに充填剤、例えば脂肪酸、パラフィンなどの鉱物油、PEG10などのポリエチレングリコール(PEG)、ならびにセルロース、ケラチンなどの吸湿性物質。
d.任意で、15%w/w未満の濃度の安定剤、皮膚軟化剤、ワックス、防腐剤、抗真菌剤、抗生物質、鎮痛剤、抗炎症薬、防虫剤、保湿剤、麻酔剤、鉱物、草本、果実、およびそれらの誘導体、充填剤、添加剤、スキンブースターおよび香料、美白剤の少なくとも1つ。
e.任意で、3,4ジおよび3,4’、5トリブロモサリチルアニリド、4,4’ジクロロ3(トリフルオロメチル)カルバニリド、3,4,4’トリクロロカルバニリドおよびこれらの物質の混合物としての、0〜4%の抗菌剤。
f.任意で、水、炭化水素、プロピレングリコール、グリセリン、それらの混合物、非水性溶媒としての、10%〜60%の溶媒。草本および/または果実および/または樹木および/または花の抽出物、チンキ、ミント、アロエ、カモミール、センテラなどその他すべての溶解物(fusion)、植物性および/または動物性乳、蜂蜜を含んでも含まなくてもよい。
g.任意で、タンパク質、両親媒性タンパク質、セラミド、アミノ酸。
h.任意で、皮膚成分、皮膚角質層成分、皮膚バリア成分、および擬態物および類似体。
i.任意で、アルカンおよびn−アルカン。
j.任意で、エアゾール噴射剤。
k.任意で、発泡/起泡化学的または機械的要素、炭化水素、界面活性剤、液晶。
(a)少なくとも1つのPCMおよび少なくとも1つのSC成分を加水分解、および/または可溶化、および/または鹸化して、生成物(任意で両親媒性)を生成すること、
(b)前記生成物(任意で両親媒性)の水和すること、および任意で
(c)少なくとも1つの添加剤を加えること、を含む方法を提供する。
例1
図2Aは、本発明の実施形態による、皮膚熱傷侵襲を得るために実施するプロセスの画像である。
図3Aは、本発明による組成物(「A製剤」)の塗布の前後、および対照の銀ベース治療薬(「Silverol」)の塗布後の、皮膚熱傷侵襲の画像である。背部皮膚の侵襲は、3ヶ月齢のブタ(メス)に、沸騰水に50秒間浸した300mmの真鍮棒を使用して得た。製剤の塗布なし(治療なし)(N2)、対照治療薬、Silverolの塗布(S1)、および本発明の実施形態によるA製剤の塗布(D1)の場合の、15日後の侵襲を検査した。未治療の熱傷部位(N2)と比較して、製剤による治療では、15日目までに血管新生の開始(再血管新生)、上皮組織回復の開始(再上皮化)、および焼痂の脱落が見られた。当技術分野で既知の銀ベースの治療薬(Silverol)は、未治療の熱傷と同様の結果を示した。2つの実験は、同様の結果を示す(n=3)。
図4Aは、本発明の組成物の塗布の前後、および対照の銀ベース治療薬の塗布後の、皮膚熱傷侵襲の画像である。3ヶ月齢のブタ(メス)の背部皮膚に、沸騰水に50秒間浸した300mmの真鍮棒を使用して、70℃で侵襲した。製剤の塗布なし(治療なし)(N1、N2およびN3)、対照治療薬、Silverolの塗布(S1、S2およびS3)、および本発明による組成物(「A製剤」)の塗布(D1、D2およびD3)の場合の、18日後の侵襲を検査した。未治療の熱傷部位(N1〜N3)と比較して、本発明の組成物による治療(D1〜D3、特にD2)は、18日目までに上皮組織の回復(再上皮化)および焼痂の脱落が見られた。当技術分野で既知の銀ベースの治療薬(Silverol)は、初期の壊死組織を伴い、未治療の熱傷と同様の結果を示した。2つの実験は、同様の結果を示す(n=3)。
図5は、本発明の組成物塗布の前後、および対照の銀ベース治療薬塗布後の皮膚熱傷侵襲の、ヘマトキシリン・エオシン(H&E)染色した皮膚切片の光学顕微鏡画像(×40)、およびカメラ写真(挿入)である。3ヶ月齢のブタ(メス)の背部皮膚に、沸騰水に50秒間浸した300mmの真鍮棒を使用して、70℃で侵襲した。製剤の塗布なし(治療なし)、対照治療薬「Silverol」の塗布、および本発明の実施形態による「A製剤」の塗布の場合の、24日後の侵襲を検査して、0日目と比較した。24日目の未治療(「未治療」)熱傷部位および標準の皮膚(0日目)と比較すると、本発明の組成物(A製剤)による治療は、表皮および真皮の著しい回復を示した。当技術分野で既知の銀ベース治療薬(Silverol)は、未治療の熱傷と同様の結果を示し、回復せずに熱傷部位の皮膚切片に損傷層を有した。2つの実験は、同様の結果を示す(n=3)。
図6Aは、本発明の実施形態による組成物の塗布前の皮膚侵襲の画像である。12歳の少年は、十分な日焼け防止をせず、ほぼ5時間太陽光に曝露された。特徴的な充血および水疱を伴う典型的な日焼けが、はっきりと見られた。写真は、日焼けの24時間後に撮影された。日焼け症状からの寛解は、わずか6日後であった。
図7Aは、皮膚熱(沸騰油からの火傷)侵襲の、本発明の実施形態による組成物を塗布した5時間後の画像である。数滴の沸騰油が、偶然に48歳の女性の手にはねた。熱侵襲の5時間後に組成物を塗布した。5時間後に熱傷がはっきりと確認された(充血スポットを参照)。
図8Aは、本発明の実施形態による組成物の塗布前の皮膚侵襲(乾燥症)の画像である。85歳の女性は、乾燥症と診断され、皮膚の炎症を3年間患っていた。治療前に、充血を伴う落屑が明確に認められる。
図9は、数人の被験体における、本発明の実施形態による局所組成物での治療後の相対的な水疱、充血(発赤)および疼痛のグラフである。本発明によるいくつかの製剤は、熱傷後の表皮皮膚バリア機能を再構築することが間接的に示された。18人の熱傷または火傷を治療するためにその場限りで製剤を使用して、水疱、充血(血流増加および血管拡張)および疼痛が大幅に減少することが判明し、いくつかの製剤が、侵襲時の皮膚傷害の進行を阻止できることを示している。
表2は、いくつかの「当技術分野で既知の」熱傷治療における、本発明の実施形態による局所用組成物と比較した相対的疼痛制御、敗血症制御、創傷制御および瘢痕制御の要約を示す。いくつかの製剤は、熱損傷後の表皮皮膚バリア機能を再構築することが間接的に示されていた。本発明による製剤は、前臨床実験(2、n=3)において、およびヒト12人の熱傷または火傷を治療するために、その場限りで使用した。疼痛、敗血症、創傷および瘢痕が大幅に減少したことが判明し、いくつかの製剤は、当技術分野で既知のヒドロゲル、抗菌剤ベースのクリームおよび鎮痛剤と比べて、侵襲時の皮膚傷害の進行を阻止ことができることを示している。
本発明によるリオトロピック液晶組成物は、以下の工程に従って調製される。
塩基の水溶液は、以下の表5に詳述される材料を含む。前記溶液は、NaOHを水性溶媒(すなわち、0.5%のアロエ抽出粉末を含むDDW)に添加することにより、プラスチック容器内で調製する。酸化亜鉛を徐々に加え、溶液を40℃で攪拌する。
上記の工程(b)で得られた塩基の水溶液を、中和および/または鹸化のために、上記の工程(a)で反応器内に得られた脂質相にゆっくりと加える。混合物を40℃で約40分、均質化されたエマルジョンが得られるまで混合する。次に、混合物を90〜95℃で約90分間攪拌することにより中和および/または鹸化反応を起こし、両親媒性生成物または鹸化生成物を生成する。
草本抽出物または果実抽出物(例えば、緑茶、カモミール)を任意で含むDDWを、以下の表6に指定されている添加剤に添加して、水溶液を得る。任意で、以下の材料、すなわち0.01〜0.5%の染料/顔料、熱変色性顔料、および/または乳白剤TiO2、および/または0.01〜2%の薬物、スキンブースター、HAナトリウム塩、金属ケイ酸塩、多糖類、鎮痛剤、抗生物質、抗真菌剤、鉱物、および/または収斂剤も水溶液に添加する。
Claims (18)
- リオトロピック液晶組成物であって、
a.少なくとも1つの相変化物質(PCM)および
b.少なくとも1つの角質層(SC)成分
を含む、哺乳動物の皮膚バリア破壊の治療、軽減、または予防において局所投与するためのリオトロピック液晶組成物。 - 前記リオトロピック液晶組成物が、六方相、ラメラ相、立方相、逆トポロジーリオトロピック相、およびそれらの任意の組み合わせから選択される相である、請求項1に記載の組成物。
- 前記相変化物質(PCM)が、パラフィン炭化水素、脂肪酸、脂肪酸塩水和物、リン脂質脂肪酸塩水和物、ポリエチレングリコール(PEG)、多価アルコール、鉱油、吸湿性物質、無機塩水和物、および脂肪酸と酢酸ナトリウム三水和物との組み合わせである、請求項1に記載の組成物。
- 前記角質層(SC)成分が、リン脂質、コレステロール、遊離脂肪酸、スクアラン、n−アルカン、トリグリセリド、セラミド、ケラチノサイト由来成分、タンパク質、ケラチン、およびケラチン由来成分から選択される、請求項1に記載の組成物。
- 少なくとも1つの両親媒性化合物、界面活性剤、および水、水相、または非水相から選択される溶媒をさらに含む、請求項1に記載の組成物。
- ビタミン、日焼け止め、ジグリセリド、トリグリセリド、抗生物質、抗真菌剤、クエン酸、防虫剤、鎮痛剤、活性化粧品成分、ポリオール、消毒剤、収斂剤、草本抽出物、果実抽出物、防腐剤、顔料、サーモトロピック液晶顔料、油、エーテル油、香料、芳香剤、麻酔、研磨剤および乳化剤から選択される少なくとも1つの添加剤をさらに含む、請求項1に記載の組成物。
- 薬物をさらに含む、請求項1に記載の組成物。
- 化粧品用途のための、請求項1に記載の組成物。
- 石鹸、石鹸ベースの組成物、皮膚保護剤ファイヤーエクスティングイッシャー(fire extinguisher)、または皮膚保護剤ファイヤーエクスティングイッシャー(fire extinguisher)ベースの組成物である、請求項1に記載の組成物。
- 前記皮膚バリア破壊が、皮膚侵襲、局所侵襲、皮膚障害、皮膚エネルギー破壊、皮膚疾患、皮膚アレルギー、皮膚不快感、皮膚変色、皮膚摂動、浅達性熱傷、深達性熱傷、全層熱傷、水疱、充血、局所疼痛、局所創傷、急性または慢性侵襲後の皮膚炎症および瘢痕、ならびに急性または慢性皮膚刺激から選択される、請求項1に記載の組成物。
- 前記急性または慢性皮膚刺激が、熱皮膚傷害、虫刺され、擦過、照射、レーザー、極低温への曝露、ニキビ、しわ、乳房皮膚損傷の促進、皮膚擦傷、および皮膚乾燥に続く刺激から選択される、請求項10に記載の組成物。
- 皮膚医療処置、獣医学皮膚処置、医療用の衛生剤、衛生用の製剤、石鹸、真菌または害虫を駆除するための製剤から選択され、皮膚バリア破壊予防のために構成される、請求項1に記載の組成物。
- 前記局所投与が、ドレッシングを用いてもしくは用いずに、直接皮膚バリア破壊に、または布ワイプ、紙ワイプ、シリコンパッド、絆創膏もしくは包帯に、前記組成物を塗布、石鹸として塗布、塗抹または噴霧することから選択される、請求項1に記載の組成物。
- 請求項1に記載の組成物を皮膚バリア破壊部に投与することを含む、哺乳動物における皮膚バリア破壊を治療、軽減または予防する方法。
- 皮膚バリア破壊後の皮膚領域の瘢痕を低減する方法であって、請求項1に記載の組成物を前記皮膚バリア破壊の周辺の皮膚局所領域に塗布することを含む方法。
- 請求項1に記載のリオトロピック液晶組成物の製造方法であって、
(a)少なくとも1つのPCM成分および少なくとも1つのSC成分を加水分解および/または鹸化および/または可溶化して、両親媒性生成物を生成すること
(b)前記両親媒性生成物を水和すること、および任意で
(c)少なくとも1つの添加剤を加えることを含む方法。 - 前記PCMが、脂肪酸塩水和物、またはリン脂質脂肪酸塩水和物である、請求項16に記載の方法。
- 哺乳動物の皮膚バリア破壊の治療、軽減、または予防に使用するための、請求項1〜13のいずれか一項に記載のリオトロピック液晶組成物。
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WO2006118245A1 (ja) * | 2005-04-28 | 2006-11-09 | Japan Science And Technology Agency | 皮膚再生促進剤 |
JP2010229117A (ja) * | 2009-03-30 | 2010-10-14 | Daiichi Sankyo Healthcare Co Ltd | 皮膚外用剤 |
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KR20130134532A (ko) * | 2012-05-31 | 2013-12-10 | 코웨이 주식회사 | 피부 자극 완화 및 피부 장벽 회복을 위한 다중층 액정 베지클 및 이를 포함하는 화장료 조성물 |
KR101682452B1 (ko) * | 2015-03-04 | 2016-12-05 | 주식회사 지오코스 | 피부장벽 회복을 위한 액정 베이스 및 이를 포함하는 화장료 조성물 |
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2019
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- 2019-02-04 JP JP2020563847A patent/JP2021512177A/ja active Pending
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WO2006118245A1 (ja) * | 2005-04-28 | 2006-11-09 | Japan Science And Technology Agency | 皮膚再生促進剤 |
JP2010229117A (ja) * | 2009-03-30 | 2010-10-14 | Daiichi Sankyo Healthcare Co Ltd | 皮膚外用剤 |
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鈴木敏幸, 外2名, 日本化学会誌, JPN6022055892, 1993, pages 1107 - 1117, ISSN: 0004957059 * |
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US20210046098A1 (en) | 2021-02-18 |
WO2019150375A1 (en) | 2019-08-08 |
IL276150A (en) | 2020-09-30 |
EP3749277A1 (en) | 2020-12-16 |
CN111683643A (zh) | 2020-09-18 |
EP3749277A4 (en) | 2021-09-08 |
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