JP2012505244A - ドライアイ症候群の処置のための組成物および方法 - Google Patents
ドライアイ症候群の処置のための組成物および方法 Download PDFInfo
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Abstract
Description
本発明が本明細書に記載した具体的な方法論、プロトコルおよび試薬等に限定されず変更が可能であることは当然理解されなければならない。本発明において用いる用語は、単に具体的な実施形態を記述することを目的とするものであって、特許請求の範囲のみによって定義される本発明の範囲について限定することを意図しているのではない。
ボランティア1名の右眼にα−トコフェリルアセテート1滴(約5μL)を点眼した、別のボランティアには両眼それぞれに点眼した。彼らはアウトドアのライフスタイルに活動的な人たちであり、それぞれドライアイに伴う症状がある。刺激や眼のかすみは報告されなかった。いずれのボランティアも、この間α−トコフェリルアセテートの反復適用なしで数日間ドライアイの症状が軽減されたと報告した。どちらのボランティアもドライアイの症状の軽減が少なくとも1日持続したと報告した。一方のボランティアは、少なくとも7日間軽減が持続したと報告した。
女性ボランティア(53歳)は、夜にα−トコフェリルアセテートを片眼または両眼に点眼し、図1に示すように、刺激と快適性について1〜10(最大の刺激「1」、最大の快適性「10」)のスケールを用いて報告した。1〜5日目は、右眼だけに点眼した。再度点眼するまで5日間快適であった。この人は、毎日は点眼しなかったが、比較的楽にコンタクトレンズの装着が可能であった(30〜38日)。
それぞれ体重が4.5kg〜5.0kgの4羽の成熟したニュージーランドホワイト(NZW)ラビット(雌2羽、雄2羽)を本実施例に用いた。α−トコフェリルアセテート(各3.6mg、3.9mg、5.4mg)を各動物の片眼に注入した。涙のサンプルを毎日濾紙で回収し、秤量し、MeOH300μLで抽出し、LC/MS/MSによりトコフェリルアセテート(EA)について分析した。7日間での検出された涙のEAレベルは、15μg/mL〜36μg/mLの範囲で、平均は26μg/mL(26,000ng/mL)であった。図2参照。ウサギの眼の円蓋部(cul-de-sac)におけるEAの検出可能なレベルが7日間を超えて持続し得る。
α−トコフェリルアセテート(EA)、d−α−トコフェリルポリエチレングリコール1000サクシネート(TPGS)および水の混合物を、表1に示す比率で調製し、秤量し、20mL容のガラス製バイアルに入れた。バイアル#1〜#6にそれぞれキャップをし、2分間音波処理して安定なエマルジョンを得た。次いで、#1〜#8のバイアルはキャップせずに周囲の条件下で9日間放置した。#1〜#6のバイアルはすべて安定であった。次いで、すべてのバイアルを秤量し、喪失した(水)重量を測定した。EAのみを含有するバイアル#8は重量の損失はなく、水を含有する他のバイアルは水の蒸発により重量の損失を示した。結果を図3に示す。
Claims (16)
- 少なくとも約70%のトコフェロールまたはトコトリエノールを含有してなる、ドライアイの症状の軽減のための点眼薬であって、該点眼薬の1回の投与でドライアイの症状が少なくとも約1日軽減される点眼薬。
- 実質的にトコフェロールまたはトコトリエノールからなる、ドライアイの症状の軽減のための点眼薬であって、該点眼薬の1回の投与でドライアイの症状が少なくとも約1日軽減される点眼薬。
- 前記トコフェロールまたはトコトリエノールが、C1〜C4直鎖または分岐鎖の脂肪族カルボン酸との、トコフェリルおよびトコトリエニルエステル、およびトコフェロール、トコトリエノールおよびそのエステルのd、l、dl異性体からなる群から選択される請求項1または2記載の点眼薬。
- 前記トコフェリルがα−トコフェリルアセテートである、請求項1〜3のいずれかに記載の点眼薬。
- 前記点眼薬がさらに水性成分からなる、請求項1〜4のいずれかに記載の点眼薬。
- 前記水性成分が前記点眼薬の約0.5%である、請求項5記載の点眼薬。
- 前記水性成分が前記点眼薬の約0.5%を超え、前記点眼薬がさらに乳化剤を含有する、請求項5または6記載の点眼薬。
- 前記乳化剤が、d−α−トコフェリルポリエチレングリコール1000サクシネート(TPGS)である、請求項7記載の点眼薬。
- 水性成分:トコフェロールの比率が約1:2〜約1:4であり、約2.5%で乳化剤を添加して調製される、請求項7または8記載の点眼薬。
- ヒトにおけるドライアイの症状を処置するための医薬としての請求項1〜9のいずれかに記載の点眼薬の使用。
- 少なくとも約70%のトコフェロールまたはトコトリエノールを含有してなる点眼薬をドライアイの症状を有する患者の眼に局所投与することを含んでなる、ドライアイ症候群の症状を軽減する方法であって、該点眼剤の1回の投与でドライアイの症状が少なくとも1日軽減される方法。
- 前記トコフェロールまたはトコトリエノールがα−トコフェリルアセテートである、請求項11に記載の方法。
- 前記トコフェロールまたはトコトリエノール点眼薬がさらに約0.5%の水性成分からなる、請求項11または12に記載の方法。
- 前記水性成分が前記点眼薬の約0.5%を超え、前記点眼薬がさらに乳化剤を含有する、請求項11または12に記載の方法。
- 前記乳化剤が、d−α−トコフェリルポリエチレングリコール1000サクシネート(TPGS)である、請求項14記載の点眼薬。
- 前記点眼薬が、水性成分:トコフェロールの比率が約1:2〜約1:4であり、約2.5%で乳化剤を添加して調製される、請求項14または15記載の方法。
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JP2012525398A (ja) * | 2009-04-28 | 2012-10-22 | アンペア ライフ サイエンシーズ,インコーポレイテッド | 眼科障害を治療するためのトコトリエノールの局所、眼周囲または眼内使用 |
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JP7280638B2 (ja) | 2018-12-28 | 2023-05-24 | ドクター.ロルフ ランバート ファーマ-コンサルティング ゲーエムベーハー | ドライアイ症候群の治療におけるリポソーム点眼剤溶液およびその使用 |
CN112804990B (zh) * | 2018-12-28 | 2024-05-24 | 罗尔夫·兰伯特博士制药咨询有限公司 | 一种脂质体滴眼液及其在治疗干眼症中的应用 |
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US8722728B2 (en) | 2014-05-13 |
AU2009302167A1 (en) | 2010-04-15 |
CA2739658A1 (en) | 2010-04-15 |
US20100093845A1 (en) | 2010-04-15 |
BRPI0920326A2 (pt) | 2016-02-23 |
WO2010042843A2 (en) | 2010-04-15 |
EP2344155A4 (en) | 2012-12-19 |
US9474736B2 (en) | 2016-10-25 |
CN107468648A (zh) | 2017-12-15 |
AU2009302167B2 (en) | 2014-05-01 |
CN102238949A (zh) | 2011-11-09 |
US9144566B2 (en) | 2015-09-29 |
CA2739658C (en) | 2016-11-08 |
US20140200268A1 (en) | 2014-07-17 |
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JP5731980B2 (ja) | 2015-06-10 |
WO2010042843A3 (en) | 2010-07-01 |
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US20150359779A1 (en) | 2015-12-17 |
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