JP5952556B2 - 褥瘡治療剤 - Google Patents
褥瘡治療剤 Download PDFInfo
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- JP5952556B2 JP5952556B2 JP2011283835A JP2011283835A JP5952556B2 JP 5952556 B2 JP5952556 B2 JP 5952556B2 JP 2011283835 A JP2011283835 A JP 2011283835A JP 2011283835 A JP2011283835 A JP 2011283835A JP 5952556 B2 JP5952556 B2 JP 5952556B2
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Description
(1)ω3多価不飽和脂肪酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つを有効成分として含有する、褥瘡予防または治療用医薬組成物。
(4)褥瘡を既に有しており、新規の褥瘡の予防を考慮しなければならない患者に適用される、上記(1)または(2)に記載の医薬組成物。
(6)褥瘡の局所治療を行っている患者に適用される、上記(1)〜(4)のいずれかに記載の医薬組成物。
(8)生活習慣病(例えば、高脂血症、糖尿病、メタボリックシンドロームなど)に罹患している患者に適用される、上記(1)〜(7)のいずれかに記載の医薬組成物。
(10)ω3多価不飽和脂肪酸、その製薬学上許容しうる塩およびエステルが、EPA、DHA、α−リノレン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つの化合物である、上記(1)〜(9)のいずれかに記載の医薬組成物。
(11)イコサペンタエン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つを有効成分として含有する、褥瘡の予防用または治療用の医薬組成物。
(14)褥瘡を既に有しており、新規の褥瘡の予防を考慮しなければならない患者に適用される、上記(11)または(12)に記載の医薬組成物。
(16)褥瘡の局所治療を行っている患者に適用される、上記(11)〜(14)のいずれかに記載の医薬組成物。
(18)高脂血症、糖尿病、およびメタボリックシンドロームから選択される生活習慣病に罹患している患者に適用される、上記(11)〜(17)のいずれかに記載の医薬組成物。
(20)イコサペンタエン酸、その製薬学上許容しうる塩およびエステルが、イコサペンタエン酸エチルエステルである、上記(11)〜(19)のいずれかに記載の医薬組成物。
(21)ω3多価不飽和脂肪酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つを患者に投与することを含む、褥瘡の予防方法または治療方法。
(24)患者が褥瘡を既に有しており、新規の褥瘡の予防を考慮しなければならない患者である、上記(21)または(22)に記載の方法。
(26)患者が、褥瘡の局所治療を受けている、上記(21)〜(24)のいずれかに記載の方法。
(28)患者が、生活習慣病(例えば、高脂血症、糖尿病、メタボリックシンドロームなど)に罹患している、上記(21)〜(27)のいずれかに記載の方法。
(30)ω3多価不飽和脂肪酸、その製薬学上許容しうる塩およびエステルが、EPA、DHA、α−リノレン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つの化合物である、上記(21)〜(29)のいずれかに記載の方法。
(実施例1)褥瘡に対する予防または治療効果
(1)IAET分類ステージII前後の褥瘡を有する患者に、保存治療に加え、高純度EPA−E製剤(エパデール、持田製薬)を1日1800mg、3週間投与した後、褥瘡の重症度を測定し、EPA−E非投与群のそれと比較すると、平均IAET分類ステージは10%以上低下する。
(実施例2)褥瘡に対する治療効果(EPA投与、非投与の比較)
褥瘡の局所治療を行っているにも関わらず、褥瘡が改善しない、もしくは重症化している患者を対象として、EPA投与群とEPA非投与群を設定し、EPAの褥瘡に対する治療効果を確認した。EPA投与群には、高純度EPA−E製剤(エパデール、持田製薬)を1日1800mg、4週間経口投与した。両群において、局所治療(洗浄・消毒、外用剤、ドレッシング剤等の使用)は従前通り継続した。褥瘡の評価はDESIGN−R(「褥瘡予防・管理ガイドライン」日本褥瘡学会編、2009年)を用い、スコア化した。
(実施例3)褥瘡に対する治療効果
過去2ヵ月間、褥瘡の局所治療を行っているにも関わらず褥瘡が進行していた患者に対し、局所治療を継続したままでEPA投与を行った。高純度EPA−E製剤(エパデール、持田製薬)を1日2700mg、6週間経口投与した。EPA投与開始前は、褥瘡の大きさは7×7cmであったが、6週間後には5×5cmに縮小し、肉芽形成が進んでいた。EPAは、局所治療に対して抵抗性の褥瘡に対し、治療効果を示した。
身体状態が同等の入院患者について、血中EPA/AA比と褥瘡発症の関係を調べた。
結果を表2に示す。褥瘡がある患者では血中EPA/AA比が0.355と低く、褥瘡がない患者では血中EPA/AA比が0.5以上であった。血中EPA/AA比を0.5以上、好ましくは1.0以上となるようにω3多価不飽和脂肪酸を投与することで、褥瘡を発症しにくくし、予防できる可能性が示唆された。
Claims (15)
- イコサペンタエン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つを有効成分として全脂肪酸に対して25質量%以上の含量で含有する、褥瘡の治療用の医薬組成物。
- イコサペンタエン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つの含量が全脂肪酸に対して50質量%以上である、請求項1に記載の医薬組成物。
- イコサペンタエン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つの含量が全脂肪酸に対して70質量%以上である、請求項1または2に記載の医薬組成物。
- イコサペンタエン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つの含量が全脂肪酸に対して85質量%以上である、請求項1〜3のいずれか1項に記載の医薬組成物。
- イコサペンタエン酸、その製薬学上許容しうる塩およびエステルからなる群から選ばれる少なくとも1つを0.1〜10g/日の量で投与するための、請求項1〜4のいずれか1項に記載の医薬組成物。
- イコサペンタエン酸、その製薬学上許容しうる塩またはエステルが、重量比でω6多価不飽和脂肪酸、その製薬学上許容しうる塩またはエステルの3倍以上含まれる、請求項1〜5のいずれか1項に記載の医薬組成物。
- 褥瘡を有している患者に適用される、請求項1〜6のいずれか1項に記載の医薬組成物。
- 褥瘡を既に有しており、新規の褥瘡の予防を考慮しなければならない患者に適用される、請求項1〜7のいずれか1項に記載の医薬組成物。
- 褥瘡の局所治療を行っている患者に適用される、請求項1〜8のいずれか1項に記載の医薬組成物。
- 局所治療に対し抵抗性の褥瘡を有している患者に適用される、請求項9に記載の医薬組成物。
- 高脂血症、糖尿病、およびメタボリックシンドロームから選択される生活習慣病に罹患している患者に適用される、請求項1〜10のいずれか1項に記載の医薬組成物。
- 血中イコサペンタエン酸/アラキドン酸比が0.5以下である患者に適用される、請求項1〜11のいずれか1項に記載の医薬組成物。
- イコサペンタエン酸エチルエステルを有効成分として含有する、請求項1〜12のいずれか1項に記載の医薬組成物。
- 更に乳化剤を含む、請求項1〜13のいずれか1項に記載の医薬組成物。
- 少なくとも2週間以上投与するための、請求項1〜14のいずれか1項に記載の医薬組成物。
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