JP2012188431A - アルツハイマー病およびニューロンの代謝の減少によって引き起こされる他の病気を治療および予防するための中鎖トリグリセリドの使用 - Google Patents
アルツハイマー病およびニューロンの代謝の減少によって引き起こされる他の病気を治療および予防するための中鎖トリグリセリドの使用 Download PDFInfo
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Abstract
【解決手段】中鎖トリグリセリド、中鎖トリグリセリドから誘導された遊離の脂肪酸、または中鎖トリグリセリドプロドラッグが約0.5g/kg/日〜約10g/kg/日の用量を与えるような量で含み、L−カルニチンまたはL−カルニチン誘導体が約0.5mg/kg/日〜約10mg/kg/日の用量を与えるような量で含まれ、乳化された医薬組成物。
【選択図】なし
Description
本発明は、アルツハイマー病およびニューロンの代謝の減少に関連する他の病気を治療するための治療剤の分野に関する。
アルツハイマー病(AD)は、進行性の神経変性疾患であり、主として年配層に影響を及ぼす。ADには、早期発症と晩期発症の2種の型がある。早期発症のADはまれであり、感受性の強い個体は30歳代もの早期に罹患し、しばしば遺伝子のわずかな部分における突然変異に関連する。晩期発症のADが一般的であり、70歳代または80歳代で罹患し、多くの遺伝的な危険因子を有する多因子性の病気である。晩期発症のADは、65歳を超える人における痴呆の主要原因である。65歳を超えるアメリカ人の人口の推定7〜10%、80歳を超えるアメリカ人の人口の40%までが、ADに悩まされている(McKhann et al., 1984; Evans et al. 1989)。病気の初期において、患者は記憶を失ったり定位力の損失を経験する。病気が進行するにつれて、さらに認識機能が失われ、患者は完全に無能化する。ADを発症する事象の連鎖を説明する多くの学説が提唱されてきたが、本出願の時点では、その原因は未知のままである。現在、ADの効果的な予防または治療はない。今日市場に出ているADを治療する唯一の薬剤、Aricept:登録商標およびCognex:登録商標は、アセチルコリンエステラーゼ阻害剤である。これらの薬剤は、ADの根本的な病理に向けられたものではない。それらは単に、まだ機能することのできる神経細胞の有効性を増強させるだけである。病気は続くため、この治療の利益はわずかである。
本発明は、アルツハイマー型の痴呆またはニューロンの代謝の減少によって引き起こされる他の認識機能の損失を治療または予防する方法を提供し、当該方法は、有効量の中鎖トリグリセリドを、前記治療または予防を必要とする患者へ投与することを含む。投与は、経口的または静脈内的であり得る。当該中鎖トリグリセリドは、乳化することができ、L−カルニチンまたはL−カルニチン誘導体と併用投与することができる。
本発明の新しい見識は、AD患者の治療および予防手段として、中鎖トリグリセリド(MCT)およびそれに関連する脂肪酸が有用であることにある。MCTは、炭素鎖長5〜12の脂肪酸で構成される。MCT豊富な食餌は、高い血中ケトンレベルをもたらす。高い血中ケトンレベルにより、グルコース代謝が低下した脳細胞に、MCFAのケトン体への迅速な酸化によってエネルギー源が供給される。
(a)ADに関する先行技術は、主として、アミロイド堆積の予防および除去に焦点が当てられてきた。ADにおけるこれらアミロイド蓄積の役割が依然として論議の的になっているが、いくつか他の病理に関する単なるマーカーにすぎない可能性がある。本発明は、ADを治療および予防するための新規の経路を提供し、当該経路は、ADに関連するニューロンの代謝の減少を軽減することに基づくものであって、アミロイド蓄積の観点には属さない。
(d)中鎖トリグリセリドは、患者に静脈中に注入することができる。
従って、アルツハイマー病(AD)の治療および予防手段として中鎖トリグリセリド(MCT)または脂肪酸を用いることにより、ADに関連するニューロンの代謝の減少を軽減する新規の方法が提供されることを、読者は理解するだろう。本発明の新規かつ重要な見識は、AD、ALS、パーキンソン病およびハンチントン病のようなニューロンの代謝の減少に関連する病気のために、MCTを用いることによってニューロンの代謝を増加させ得ることにある。以上の解説は多くの特定を含むが、これらは本発明の範囲を限定すると解釈されるべきではなく、本発明の目下の好ましい実施形態のいくつかを単に説明するだけであると解釈すべきである。例えば、MCTの補給は、硫酸バナジル、クロミウムピコリネートおよびビタミンEのようなインスリンの感受性を高める薬剤と組み合わせた場合、より効果的であることが証明される。このような薬剤は、低下したニューロンにおけるグルコース利用を高め、高ケトン血症状と相乗作用的に作用するように機能し得る。他の例において、MCTは、L−カルニチンおよびその誘導体のような、脂肪酸利用速度を高める化合物と組み合わせることができる。このような化合物の混合は、循環性ケトン体のレベルを相乗効果的に高めることができる。
参考文献
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以下の実施例は、限定のためではなく、説明のために提供される。
実施例1:栄養ドリンク
栄養ドリンクは、以下の原料、すなわち、100グラム/ドリンクの乳化MCT、1グラム/ドリンクのL−カルニチン、日常的なビタミンの推奨される1日量、および様々な着香剤を用いて調製される。
追加の製剤は、RTD飲料(Ready to Drink Beverage)、粉末飲料、栄養ドリンク、フードバーなどの形態が可能である。これらの製剤は、当業者において明白である。
[請求項3] 前記投与が静脈内的である、請求項1に記載の方法。
[請求項4] 前記中鎖トリグリセリドが、約0.5g/kg/日〜約10g/kg/日の投与量で投与される、請求項1に記載の方法。
[請求項6] 前記投与が経口であり、前記中鎖トリグリセリドが、約0.5g/kg/日〜約10g/kg/日の投与量で投与され、前記L−カルニチンまたは前記L−カルニチン誘導体が、約0.5mg/kg/日〜約10mg/kg/日の投与量で投与される、請求項5に記載の方法。
[請求項8] L−カルニチンまたはL−カルニチン誘導体を併用投与することをさらに含む、請求項7に記載の方法。
Claims (23)
- 中鎖トリグリセリド、中鎖トリグリセリドから誘導された遊離の脂肪酸、または中鎖トリグリセリドプロドラッグを含む、ニューロンの代謝の減少によって引き起こされる、アルツハイマー型の痴呆または他の認識機能損失の治療または予防のための医薬組成物。
- 脂肪酸の利用およびケトーシスの発達を、ニューロンの代謝の減少によって引き起こされるアルツハイマー型の痴呆または他の認識機能損失の治療または予防を必要とする患者に誘導させる薬剤を含む、ニューロンの代謝の減少によって引き起こされる、アルツハイマー型の痴呆または他の認識機能の損失を治療または予防するための医薬組成物。
- 前記医薬組成物が、グルコースの存在下、脳中でエネルギーのために利用されるケトン体をもたらす患者において高ケトン症状を引き起こす、請求項1または2に記載の医薬組成物。
- L−カルニチンまたはL−カルニチン誘導体をさらに含有する請求項1〜3のいずれかに記載の医薬組成物。
- 中鎖トリグリセリド、中鎖トリグリセリドから誘導された遊離の脂肪酸、又は中鎖トリグリセリドプロドラッグが約0.5g/kg/日〜約10g/kg/日の用量を与えるような量で含み、L−カルニチンまたはL−カルニチン誘導体が約0.5mg/kg/日〜約10mg/kg/日の用量を与えるような量で含む請求項4に記載の医薬組成物。
- 前記中鎖トリグリセリドが乳化されている、請求項1〜5のいずれかに記載の医薬組成物。
- 医薬組成物が経口剤または非経口剤である、請求項1〜6に記載の医薬組成物。
- 経口剤が、錠剤、カプセル剤、ロゼンジ剤、トローチ剤、ハードキャンディー、栄養バー、栄養ドリンク、定量噴霧剤、またはクリームである、請求項7に記載の医薬組成物。
- 非経口剤が、坐剤または静脈注射剤である、請求項7に記載の医薬組成物。
- R1、R2およびR3が6個の炭素主鎖を含む脂肪酸である、請求項10に記載の医薬組成物。
- アルツハイマー病、パーキンソン病、ハンチントン病またはアミロイド側索硬化症における、ニューロンの代謝の減少によって引き起こされる他の認識機能の損失の治療または予防のための医薬組成物の製造のための有効量の中鎖トリグリセリドの使用であって、前記治療または予防が、患者におけるD−β−ヒドロキシブチレート血中濃度が約1〜10mMに上昇するかまたはD−β−ヒドロキシブチレートの患者尿排泄が5mg/dL〜160mg/dLの範囲であり、グルコースの存在下、脳中でエネルギーのために利用されるケトン体をもたらす患者において高ケトン症状を引き起こす、前記使用。
- 医薬組成物がL−カルニチンまたはL−カルニチン誘導体をさらに含有する請求項12に記載の使用。
- 医薬組成物が、約0.5g/kg/日〜約10g/kg/日の中鎖トリグリセリド用量および、約0.5mg/kg/日〜約10mg/kg/日のL−カルニチンまたはL−カルニチン誘導体服用量を含む請求項12または13に記載の使用。
- 医薬組成物が、10g〜500g量の乳化中鎖トリグリセリドおよび10mg〜2000mg量のL−カルニチンまたはL−カルニチン誘導体を含む請求項12〜14のいずれかに記載の使用。
- 医薬組成物が経口投与用に製剤化されている請求項12〜15に記載の使用。
- 医薬組成物が前記単位投与形態を含み、経口投与用に製剤化されている請求項12〜16のいずれかに記載の使用。
- 医薬組成物が、錠剤、カプセル剤、ロゼンジ剤、トローチ剤、ハードキャンディー、栄養バー、栄養ドリンク、定量噴霧剤、またはクリームとして製剤化されている請求項12〜17のいずれかに記載の使用。
- 医薬組成物が栄養ドリンクとして製剤化されている請求項18に記載の使用。
- R1、R2およびR3が6個の炭素主鎖を含む脂肪酸である、請求項20に記載の使用。
- 前記治療または予防が単回の単位投与形態の投与である、請求項12〜21に記載の使用。
- 前記単位投与形態が約0.5g/kg/日〜約10g/kg/日の中鎖トリグリセリドである請求項16〜22に記載の使用。
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2001
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- 2001-05-01 PT PT01930965T patent/PT1292294E/pt unknown
- 2001-05-01 EP EP01930965A patent/EP1292294B1/en not_active Expired - Lifetime
- 2001-05-01 AT AT01930965T patent/ATE425750T1/de active
- 2001-05-01 ES ES09001380T patent/ES2752800T3/es not_active Expired - Lifetime
- 2001-05-01 EP EP09001380.6A patent/EP2065041B1/en not_active Expired - Lifetime
- 2001-05-01 JP JP2001579803A patent/JP2003531857A/ja active Pending
- 2001-05-01 US US09/845,741 patent/US20020006959A1/en not_active Abandoned
- 2001-05-01 EP EP10181854A patent/EP2319508A1/en not_active Withdrawn
- 2001-05-01 ES ES01930965T patent/ES2323940T3/es not_active Expired - Lifetime
- 2001-05-01 DE DE60138019T patent/DE60138019D1/de not_active Expired - Lifetime
- 2001-05-01 DK DK01930965T patent/DK1292294T3/da active
- 2001-05-01 WO PCT/US2001/013955 patent/WO2001082928A1/en not_active Ceased
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|---|---|---|---|---|
| JP2018029552A (ja) * | 2016-08-26 | 2018-03-01 | 日油株式会社 | スポーツ飲料 |
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| AU2001257451A8 (en) | 2006-11-09 |
| WO2001082928A9 (en) | 2006-06-15 |
| EP1292294A4 (en) | 2004-04-14 |
| ES2752800T3 (es) | 2020-04-06 |
| WO2001082928A1 (en) | 2001-11-08 |
| US8426468B2 (en) | 2013-04-23 |
| EP1292294A1 (en) | 2003-03-19 |
| JP5701245B2 (ja) | 2015-04-15 |
| JP2003531857A (ja) | 2003-10-28 |
| PT1292294E (pt) | 2009-06-01 |
| ATE425750T1 (de) | 2009-04-15 |
| DK1292294T3 (da) | 2009-06-22 |
| AU2001257451A1 (en) | 2001-11-12 |
| EP1292294B1 (en) | 2009-03-18 |
| EP2065041B1 (en) | 2019-07-31 |
| US20020006959A1 (en) | 2002-01-17 |
| US20120196932A1 (en) | 2012-08-02 |
| EP2319508A1 (en) | 2011-05-11 |
| US20060122270A1 (en) | 2006-06-08 |
| EP2065041A1 (en) | 2009-06-03 |
| DE60138019D1 (de) | 2009-04-30 |
| ES2323940T3 (es) | 2009-07-28 |
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