JP2019112411A - ヒアルロン酸ナトリウムとカルボキシメチルセルロースを含む人工涙液 - Google Patents
ヒアルロン酸ナトリウムとカルボキシメチルセルロースを含む人工涙液 Download PDFInfo
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- JP2019112411A JP2019112411A JP2019022506A JP2019022506A JP2019112411A JP 2019112411 A JP2019112411 A JP 2019112411A JP 2019022506 A JP2019022506 A JP 2019022506A JP 2019022506 A JP2019022506 A JP 2019022506A JP 2019112411 A JP2019112411 A JP 2019112411A
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- carboxymethylcellulose
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Abstract
【解決手段】カルボキシメチルセルロース(CMC)とヒアルロン酸(HA)を含み、さらにグリセリン、ホウ酸ナトリウム、クエン酸ナトリウムおよび乳酸ナトリウムなどの緩衝化剤、塩化カリウム、塩化マグネシウムおよびエリトリトール等の賦形剤、水酸化ナトリウムおよび塩酸等のpH調整剤および量調整のための水を含む点眼製剤。
【選択図】なし
Description
Bereth J.Beard、Wendy Blanda、David Marsh、Peter Simmons、Joseph G.Vehige、Haixia LiuおよびSteven Matsumoto。
本出願は、2013年3月14日に出願された米国仮特許出願第61/785,857号および2013年2月1日に出願された米国仮特許出願第61/759,710号の利益を請求し、これらすべては、その全体が参考として本明細書に組み込まれる。
表2:製剤
以下に示すある試験において、0.5%のCMC溶液および0.1%のHA溶液について、0.5%のCMCおよび0.1%のHAを両方とも含有する溶液(上の表の製剤1)と比較して、粘度を試験した。7種類の異なる試験周波数で、組み合わせた製剤の粘度は、予想された値(個々の製剤の値の和によって計算)よりも大きかった。このことは、単一のポリマーの代わりに組み合わせを利用すると、予想される量よりも少ないCMCおよび/またはHAを用いることによって、望ましい粘度を得ることができることを示す。
表3:ずり薄化
2種類のCMC−HA製剤を用い、ヒトボランティアに対して試験を行った。第1の製剤は、表1の製剤1として上に設定したような0.5%のCMC/0.1%のHAの製剤(「EDNP−1」)を使用した。第2の製剤は、表1の製剤2として設定したような0.5%のCMC/0.15%のHAの製剤(「EDNP−2」)を使用した。この2種類の製剤を、ドライアイの治療に有効であることが知られている既存の生成物(0.5%のCMC、塩およびPurite(登録商標)を含むRefresh(登録商標)Tears(「Refresh」))と比較した。この試験で使用するRefresh製品は、厳密にいえば、治療活性がほとんどないコントロール(例えば、純粋な生理食塩水)を表さないことを示すことが重要である。むしろ、Refresh生成物は、ドライアイの治療に効果的であることが知られている確立された成功した製品を表す。
別の臨床試験をヒトボランティアに対して実施した。ここで、365人のコンタクトレンズユーザーをランダムに、6種類のヒドロゲル、ケイ素ヒドロゲルおよび硬いガス透過性コンタクトレンズによって階層化し2:1治療アロケーションに分けた。これらのボランティアに、1日に最低で4回、90日間にわたって、それぞれの眼に試験点眼薬1〜2滴を点眼するように指示した。これらの使用の1つに、挿入前にコンタクトレンズ内側表面に1〜2滴置くことによって、コンタクトレンズを装着準備してもよい。この試験において、製剤1を、すでに記載したRefresh Tears(登録商標)(「Refresh」)点眼薬と比較した。
Claims (29)
- まばたき中の角膜への分布が改良された、カルボキシメチルセルロース(CMC)とヒアルロン酸(HA)の混合物を含む、人工涙液として有用な組成物。
- 前記混合物が、約0.1%〜約1.0%のカルボキシメチルセルロース(CMC)を含む、請求項1に記載の組成物。
- 前記混合物が、約0.05%〜約0.15%のヒアルロン酸(HA)を含む、請求項1〜2のいずれか一項に記載の組成物。
- 前記混合物が、0.5%のカルボキシメチルセルロース(CMC)と0.1%のヒアルロン酸とを含む、請求項1〜3のいずれか一項に記載の組成物。
- グリセリンをさらに含む、請求項1〜4のいずれか一項に記載の組成物。
- ホウ酸をさらに含む、請求項1〜5のいずれか一項に記載の組成物。
- ホウ酸ナトリウム十水和物をさらに含む、請求項1〜6のいずれか一項に記載の組成物。
- クエン酸ナトリウム二水和物をさらに含む、請求項1〜7のいずれか一項に記載の組成物。
- 乳酸ナトリウムをさらに含む、請求項1〜8のいずれか一項に記載の組成物。
- 塩化カリウムをさらに含む、請求項1〜9のいずれか一項に記載の組成物。
- 塩化カルシウム二水和物をさらに含む、請求項1〜10のいずれか一項に記載の組成物。
- 塩化マグネシウム六水和物をさらに含む、請求項1〜11のいずれか一項に記載の組成物。
- エリトリトールをさらに含む、請求項1〜12のいずれか一項に記載の組成物。
- レボカルニチンをさらに含む、請求項1〜13のいずれか一項に記載の組成物。
- 水酸化ナトリウムをさらに含む、請求項1〜14のいずれか一項に記載の組成物。
- 塩酸をさらに含む、請求項1〜15のいずれか一項に記載の組成物。
- 精製水をさらに含む、請求項1〜16のいずれか一項に記載の組成物。
- まばたき中の角膜への分布が改良された、カルボキシメチルセルロース(CMC)とヒアルロン酸(HA)の混合物を含む眼用組成物を有効な量でヒトに局所的に投与することを含む、これを必要とする前記ヒトの視力を高める方法。
- 前記ヒトがドライアイ症候群を患う、請求項18に記載の方法。
- 約0.5%(w/v)〜約1%(w/v)のカルボキシメチルセルロースナトリウム、約0.1〜約0.15%(w/v)のヒアルロン酸ナトリウム、少なくとも1つの緩衝化剤、少なくとも1つの賦形剤、少なくとも1つのPH調整剤および量調整のための水を含む、人工涙液として有用な組成物。
- 少なくとも1つの緩衝化剤が、ホウ酸、ホウ酸ナトリウム十水和物、クエン酸ナトリウム二水和物および乳酸ナトリウムからなる群から選択される、請求項20に記載の組成物。
- 少なくとも1つの賦形剤が、塩化カリウム、塩化カルシウム二水和物、塩化マグネシウム六水和物およびエリトリトールからなる群から選択される、請求項20〜21のいずれか一項に記載の組成物。
- 少なくとも1つのpH調整剤は、水酸化ナトリウムおよび塩酸からなる群から選択される、請求項20〜22のいずれか一項に記載の組成物。
- 組成物は、さらに、約0.5〜約1.0%(w/v)のグリセリンを含む、請求項20〜23のいずれか一項に記載の組成物。
- 組成物は、さらに、レボカルニチンを含む、請求項20〜24のいずれか一項に記載の組成物。
- 組成物は、約0.5%(w/v)のカルボキシメチルセルロースナトリウム、約0.9%のグリセリン、約0.1%(w/v)のヒアルロン酸ナトリウム、約0.01%(w/v)のPurite(登録商標)、約0.7%(w/v)のホウ酸、約0.2%(w/v)のホウ酸ナトリウム十水和物、約0.1%(w/v)のクエン酸ナトリウム二水和物、約0.14%(w/v)の塩化カリウム、約0.006%(w/v)の塩化カルシウム二水和物、約0.006%(w/v)の塩化マグネシウム六水和物、約0.5%のエリトリトール、組成物のpHを7.2に調節するのに十分な水酸化ナトリウムおよび塩酸、および量調整のための水を含む、請求項20〜24のいずれか一項に記載の組成物。
- 組成物は、約0.5%(w/v)のカルボキシメチルセルロースナトリウム、約0.9%(w/v)のグリセリン、約0.15%(w/v)のヒアルロン酸ナトリウム、約0.01%(w/v)のPurite(登録商標)、約0.7%(w/v)のホウ酸、約0.2%(w/v)のホウ酸ナトリウム十水和物、約0.1%(w/v)のクエン酸ナトリウム二水和物、約0.14%(w/v)の塩化カリウム、約0.006%(w/v)の塩化カルシウム二水和物、約0.006%(w/v)の塩化マグネシウム六水和物、約0.5%のエリトリトール、組成物のpHを7.2に調節するのに十分な水酸化ナトリウムおよび塩酸、および量調整のための水を含む、請求項20〜24のいずれか一項に記載の組成物。
- 組成物は、約0.5%(w/v)のカルボキシメチルセルロースナトリウム、約0.9%(w/v)のグリセリン、約0.10%(w/v)のヒアルロン酸ナトリウム、約0.01%(w/v)のPurite(登録商標)、約0.7%(w/v)のホウ酸、約0.2%(w/v)のホウ酸ナトリウム十水和物、約0.1%(w/v)のクエン酸ナトリウム二水和物、約0.14%(w/v)の塩化カリウム、約0.006%(w/v)の塩化カルシウム二水和物、約0.006%(w/v)の塩化マグネシウム六水和物、約0.5%のエリトリトール、約0.25%のレボカルニチン、組成物のpHを7.2に調節するのに十分な水酸化ナトリウムおよび塩酸、および量調整のための水を含む、請求項20〜25のいずれか一項に記載の組成物。
- 組成物は、約0.5%(w/v)のカルボキシメチルセルロースナトリウム、約1.0%(w/v)のグリセリン、約0.10%(w/v)のヒアルロン酸ナトリウム、約0.3%(w/v)の乳酸ナトリウム、約0.14%(w/v)の塩化カリウム、約0.006%(w/v)の塩化カルシウム二水和物、約0.006%(w/v)の塩化マグネシウム六水和物、約0.5%のエリトリトール、約0.25%のレボカルニチン、組成物のpHを7.2に調節するのに十分な水酸化ナトリウムおよび塩酸、および量調整のための水を含む、請求項20〜25のいずれか一項に記載の組成物。
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