JP6619744B2 - 神経障害の処置のためのバクロフェン、アカンプロセート、及び中鎖トリグリセライドの併用 - Google Patents
神経障害の処置のためのバクロフェン、アカンプロセート、及び中鎖トリグリセライドの併用 Download PDFInfo
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- JP6619744B2 JP6619744B2 JP2016551144A JP2016551144A JP6619744B2 JP 6619744 B2 JP6619744 B2 JP 6619744B2 JP 2016551144 A JP2016551144 A JP 2016551144A JP 2016551144 A JP2016551144 A JP 2016551144A JP 6619744 B2 JP6619744 B2 JP 6619744B2
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- baclofen
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
- A61K31/23—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin of acids having a carboxyl group bound to a chain of seven or more carbon atoms
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- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/20—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
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Description
バクロフェン、又は任意の化学的純度の、薬学的に許容されるその塩、水和物、誘導体、異性体、ラセミ体、若しくはプロドラッグと、
アカンプロセート、又は任意の化学的純度の、薬学的に許容されるその塩、水和物、誘導体、異性体、ラセミ体、若しくはプロドラッグと、
中鎖モノグリセライド、中鎖ジグリセライド、又は中鎖トリグリセライドと、を含む組成物にある。
プロドラッグは、通常、不活性であるか又は生じる薬剤より低活性であり、例えば、薬剤の物理化学的特性の改善、特定組織への薬剤の標的化、薬剤の薬剤動態及び薬力学的特性の改善、並びに/又は、望ましくない副作用の低減などに使用可能である。プロドラッグの設計に適し、よく使用される官能基の一部として、カルボキシル基、ヒドロキシル基、アミン基、リン酸/ホスホン基およびカルボニル基が含まれるが、これらに限定されない。これらの基の修飾によって通常製造されるプロドラッグは、エステル類、炭酸塩類、カルバメート類、アミド類及びリン酸塩類を含むが、これらに限定されない。適切なプロドラッグを選択するための詳細な技術ガイダンスは技術常識である(参考文献33〜37)。加えて、プロドラッグの調製は当業者には既知の従来の方法によっておこなわれることが可能である。その他のプロドラッグを合成するために使用可能な方法は、本主題の数多くの先行文献に記載されている(参考文献33〜40)。例として、アルバクロフェン・プラカルビルは、ChemID plusアドバンスデータベース(ウェブサイトchem.sis.nlm.nih.gov/chemidplus/)に掲載されており、アルバクロフェン・プラカルビルはバクロフェンの既知のプロドラッグである(参考文献41及び42)。
バクロフェンとアカンプロセートとカプリル酸トリグリセライド(C8)、
バクロフェンとアカンプロセートとカプロン酸トリグリセライド(C6)、
バクロフェンとアカンプロセートとカプリン酸トリグリセライド(C10)、
バクロフェンとアカンプロセートとラウリン酸トリグリセライド(C12)、
である薬剤併用のうちの1つを含む。
経口使用のための製剤は、薬学的に許容される非毒性の賦形剤との混合物中に本発明の組成物を含む錠剤を包含する。これらの賦形剤は、例として、不活性希釈剤又は充填剤(例えばショ糖、微結晶性セルロース、バレイショデンプンを包むデンプン、炭酸カルシウム、塩化ナトリウム、リン酸カルシウム、硫酸カルシウム、又はリン酸ナトリウム)、顆粒剤及び崩壊剤(例えば微結晶性セルロースを含むセルロース誘導体、バレイショデンプンを含むデンプン、クロスカルメロースナトリウム、アルギネート、又はアルギン酸)、結合剤(例えばアカシア、アルギン酸、アルギン酸ナトリウム、ゼラチン、デンプン、アルファ化デンプン、微結晶性セルロース、カルボキシメチルセルロースナトリウム、メチルセルロース、ヒドロキシプロピルメチルセルロース、エチルセルロース、ポリビニルピロリドン、又はポリエチレングリコール)、並びに潤滑剤、滑剤、及び粘着防止剤(例えばステアリン酸、シリカ、又はタルク)であるとよい。他の薬学的に許容される賦形剤は、着色剤、香料、可塑剤、湿潤剤、緩衝剤などであり得る。
水の添加による水性懸濁液の調製に適する散剤、分散性散剤、又は顆粒剤は、経口投与に適した投与剤形である。懸濁液としての製剤は、分散剤又は湿潤剤、懸濁剤、及び1種以上の保存剤との混合物中において活性成分を提供する。適切な懸濁剤は、例えば、カルボキシメチルセルロースナトリウム、メチルセルロース、アルギン酸ナトリウムなどである。
本医薬組成物はまた、薬学的に許容される従来の非毒性の担体及びアジュバントを含む、投与剤形、製剤で、又は適切な送達装置若しくはインプラントを介して、注射、点滴、又はインプラント(静脈内、筋肉内、皮下など)によって非経口投与されてもよい。このような組成物の製剤及び調製は医薬品製剤における当業者には周知である。
好ましさや便利さには欠けるが、他の投与経路やそのための他の製剤が考慮され得る。これに関して、直腸内適用では、組成物に適する投与剤形は、坐剤(乳剤又は懸濁剤型)、及び直腸用ゼラチンカプセル剤(液剤又は懸濁剤)を含む。通常の坐剤製剤では、活性化合物は、薬学的に許容される適切な坐剤基剤(カカオバター、エステル化脂肪酸、グリセリンゼラチンなど)及びポリエチレングリコールなどの種々の水溶性又は分散性基剤と組み合わせられる。種々の添加剤、増強剤、又は界面活性剤が組み込まれるとよい。
本発明の併用療法のいずれの化合物も、緩効性製剤として用いられるか、及び/又は、組織分布若しくは生物学的利用能を改変する薬剤と共に製剤化され得る。より具体的には、本発明の療法の1つ以上の化合物は、適用可能な場合に、経口又は非経口又は髄腔内投与用に、薬剤溶出ポリマー又は生体分子又はミセル又はリポソーム形成脂質又は水中油型エマルジョン、又はPEG化若しくは固体ナノ粒子若しくはマイクロ粒子で製剤化されて組織分布若しくは生物学的利用能を改変する。そのような製剤化薬剤の具体的な例は、PGA、PLGA、シクロデキストリン、アルブミン若しくはタンパク質担体、ナノ若しくはマイクロ粒子、リポソーム、乳剤、及びPEGを含む。
本発明の併用療法では、化合物は医薬組成物において種々の方法で会合されるとよい。化合物は、個別の物質として共に混合され得り、また個別に製剤化され得る。また化合物は、リンカーあり又はなしで、共有的又は非共有的に結合されるとよい。特定の実施形態において、少なくとも2つの化合物が、好ましくは切断可能又は不可能なリンカーを介して結合される。
併用薬剤・化合物は、同一若しくは異なる医薬品製剤のいずれかで共に、又は連続して投与されるとよいということが理解される。連続投与であるならば、第2の(又は追加の)活性成分の投与における遅延時間は、活性成分の併用の有効な作用の恩恵を失わないようにすべきである。本記載の併用にとって最小限の要件は、活性成分の併用における有効作用の恩恵を有する併用の使用が、併用の目的とされる必要があるということである。併用の意図される使用は、本発明の併用の使用を補助する使いやすさ、提供性、適合性及び/又は他の手段により推察されることができる。
‐1日当たり0.1〜1000mg、好ましくは1日当たり400mg未満、好ましくは1日当たり200mg未満、さらに好ましくは1日当たり100mg未満、さらにより好ましくは1日当たり50mg未満の、アカンプロセート(このような用量は経口投与に特に適する)、
‐1日当たり0.01〜150mg、好ましくは1日当たり100mg未満、さらに好ましくは1日当たり50mg未満、さらにより好ましくは1日当たり25mg未満の、バクロフェン(このような用量は経口投与に特に適する)、
‐1日当たり0.1〜15mg、好ましくは1日当たり10mg未満の、経口投与による、カプリル酸トリグリセライド、
である。
<動物>
オスのスイスマウスを当該研究全体で用いる。動物を、行動実験時を除き実験室の飼料と水とに自由に行き来できるプラスチックのケージで飼育し、12時間ごとの明暗周期のもと管理環境で飼育した(午前8時に点灯)。実験は防音及び空調制御された実験室でおこなわれ、マウスは各実験の少なくとも30分前にこの実験室に慣らされている。
薬剤を、連日、強制的に投与する(経口)。Aベータ25−35ペプチドとスクランブルAベータ25−35ペプチド(対照)とを殺菌2重蒸留水に溶解し、使用するまで−20℃で保管した(参考文献54)。そしてAベータペプチドを脳室内(icv)投与する。短時間で、各マウスにエーテルで軽く麻酔をかけ、規格のステンレス鋼針を、両眼球及び両耳から等距離のところで、頭蓋骨面に垂直に、各眼球から等距離の正中線の右片側1mmに挿入する。ペプチド又はビヒクルは約3秒以内で徐々に送達される。マウスは注射後1分以内では通常行動を示す。予備実験において、投与箇所をインディアンインクを注入して確認した。針の挿入もビヒクルの注入も、生存、行動反応若しくは認知機能に有意な影響を与えない。
前日、つまりAベータ25−35ペプチド注射の24時間前に、薬剤、候補の併用、バクロフェンアカンプロセート混合物、又はビヒクル溶液を、1日に2回、強制経口投与し(午前8時と午後6時)、カプリル酸トリグリセライドを1日に1回、強制経口投与する(午前8時)。
<自発的交替能力‐Y迷路テスト>
7日目に、空間作業記憶の指標であるY迷路における自発的交替能力について、すべての動物をテストする。Y迷路は灰色のポリ塩化ビニル製である。各アームは、長さ40cm、高さ13cm、底部で幅3cm、上部で幅10cmであり、等しい角度で連結する。各マウスは1つのアームの端部に配置され、8分間のテスト中は、迷路を自由に動き回ることができる。同一のアームに戻得ることを含む一連のアーム進入を視覚的に確認する。交替は3つのアームすべてに連続的に進入する場合と定める。従って、最大の交替回数はアームへの総進入回数引く2であり、交替率は(実際の交替数/最大の交替数)×100で算出される。パラメータは交替率(記憶指標)及びアームへの総進入回数(探査指標)を含む。極端な挙動を示す動物(交替率<25%、若しくは>85%、又はアームへの進入回数<10)は除かれる。これは通常、動物のうち0〜5%を占める。このテストは、Aベータ25‐35注入によりマウスに引き起こされる影響及び記憶喪失作用の行動レベルの分析に付随的に役立つ。
装置は2つの区画に仕切られた(15cm×20cm×高さ15cm)箱であり、1区画は白色ポリ塩化ビニルの壁で明るく、もう1区画は黒色ポリ塩化ビニルの壁で暗くなっており、格子状の床を有する。各区画はギロチン戸で隔てられる。装置の40cm上に配置された60Wの照明が実験時に白色の区画を照らす。格子状床には、ショック発生スクランブラ(shock generator scrambler)(Lafayette Instruments社、米国、ラファイエット)を用いて、無作為のフットショック(0.3mAで3秒間)がおこなわれる。ギロチン戸は、訓練セッション時には最初に閉じられている。各マウスを白色の区画に配置し、5秒後に戸が上がる。マウスが暗い区画に入り四肢が格子床に着いたとき、戸は閉まり、3秒間のフットショックがおこなわれる。ステップスルー待ち時間、つまり暗い区画に入るのにかかる待ち時間、及び発声回数を記録する。訓練の24時間後におこなわれる記憶テストは長期記憶の指標をなす。各マウスは再び白色の区画に配置される。5秒後に戸が上がり、ステップスルー待ち時間、及び脱出待ち時間、即ち白色の区画に戻るのにかかる時間を、300秒上限で記録する。
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Claims (19)
- バクロフェン及びアカンプロセート、又は薬学的に許容されるそれらの塩、水和物、若しくはラセミ体と、
上記化学式で示され、R1、R2、及びR3は、カプロン酸(C6)、カプリル酸(C8)、カプリン酸(C10)、及び/又はラウリン酸(C12)から選ばれるそれぞれ同一の中鎖脂肪酸である、少なくとも1つの中鎖トリグリセライドと、を含む、神経障害の処置を必要とする対象における神経障害の処置に使用するための組成物。 - 前記少なくとも1つの中鎖トリグリセライドは、カプリル酸トリグリセライド(C8)である、請求項1に記載の組成物。
- 前記少なくとも1つの中鎖トリグリセライドは、ココナッツ油、パーム核油、及び/若しくはクフェア(Cuphea)属の種子油、又はそれらの抽出物に由来する、請求項1に記載の組成物。
- 前記少なくとも1つの中鎖トリグリセライドは、クフェア・プルケリマ(Cuphea pulcherrima)種子油又はその抽出物に由来する、請求項1に記載の組成物。
- 前記組成物は、
バクロフェンとアカンプロセートとカプリル酸トリグリセライド、
バクロフェンとアカンプロセートとカプロン酸トリグリセライド、
バクロフェンとアカンプロセートとカプリン酸トリグリセライド、若しくは、
バクロフェンとアカンプロセートとラウリン酸トリグリセライド、である併用化合物、
又は、上記組合せを構成する化合物のいずれかが薬学的に許容されるそれらの塩、水和物、若しくはラセミ体である併用化合物、
のうちの少なくとも1つを含む、請求項1に記載の組成物。 - 活性剤として、バクロフェン、アカンプロセート、及びカプリル酸トリグリセライド、又は薬学的に許容されるそれらの塩、水和物、若しくはラセミ体のみを含む、請求項1に記載の組成物。
- 薬学的に許容される担体又は賦形剤をさらに含む、請求項1〜8のいずれか1項に記載の組成物。
- 前記神経障害は、アルツハイマー病、アルツハイマー病関連障害、前頭側頭型認知症(frontotemporal dementia)、筋萎縮性側索硬化症、多発性硬化症、てんかん、脊髄損傷、末梢性ニューロパチー、脳虚血イベント、パーキンソン病、レビー小体型認知症、ハンチントン病、薬物乱用の神経症状、及び薬物乱用離脱症、から選ばれる請求項1に記載の使用のための組成物。
- 前記神経障害は、アルツハイマー型老年性認知症、血管性認知症、軽度認知障害、及び加齢性記憶障害から選ばれるアルツハイマー病関連障害である、請求項1に記載の使用のための組成物。
- 前記神経障害はアルツハイマー病である、請求項1に記載の使用のための組成物。
- 前記組成物に含まれる化合物は、混合された状態で共に製剤化される、請求項1〜10のいずれか1項に記載の組成物。
- 前記組成物に含まれる化合物は個別に製剤化される、請求項1〜10のいずれか1項に記載の組成物。
- 前記組成物に含まれる化合物は、共に、個別に、又は連続して投与される、請求項1〜10のいずれか1項に記載の使用のための組成物。
- 前記組成物は前記対象に反復して投与される、請求項1〜10のいずれか1項に記載の使用のための組成物。
- アカンプロセート/バクロフェン(w/w)比率は0.05〜1000の間に含まれる、請求項1〜14のいずれか1項に記載の組成物。
- バクロフェンの用量は1日当たり100mg未満である、請求項1〜15のいずれか1項に記載の組成物。
- アカンプロセートの用量は1日当たり100mg未満である、請求項1〜16のいずれか1項に記載の組成物。
- 前記組成物はアカンプロセートのカルシウム塩を含む、請求項1〜17のいずれか1項に記載の組成物。
- バクロフェン及びアカンプロセート、又は薬学的に許容されるそれらの塩、水和物、若しくはラセミ体と、
上記化学式で示され、R1、R2、及びR3は、カプロン酸(C6)、カプリル酸(C8)、カプリン酸(C10)、及び/又はラウリン酸(C12)から選ばれるそれぞれ同一の中鎖脂肪酸である、少なくとも1つの中鎖トリグリセライドと、を含む組成物の使用であって、
アルツハイマー病、アルツハイマー病関連障害、前頭側頭型認知症(frontotemporal dementia)、筋萎縮性側索硬化症、多発性硬化症、てんかん、脊髄損傷、末梢性ニューロパチー、アルコール依存症若しくはアルコール離脱症、外傷性脳損傷若しくは脳虚血イベント、パーキンソン病、レビー小体型認知症、ハンチントン病、薬物乱用の神経症状、及び薬物乱用離脱症から選ばれる神経障害の処置のための薬剤の製造における組成物の使用。
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RS58114B1 (sr) * | 2011-03-01 | 2019-02-28 | Pharnext | Terapija neuroloških poremećaja kombinacijom baklofena i akamprosata |
US10010515B2 (en) | 2011-03-01 | 2018-07-03 | Pharnext | Therapeutic approaches for treating Parkinson's disease |
UA115968C2 (uk) | 2011-03-01 | 2018-01-25 | Фарнекст | Нові композиції для лікування неврологічних захворювань |
US9931326B2 (en) | 2011-03-29 | 2018-04-03 | Pharnext | Composition comprising torasemide and baclofen for treating neurological disorders |
IN2015DN00820A (ja) | 2012-07-18 | 2015-06-12 | Pharnext | |
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EP2705843A1 (en) | 2012-09-05 | 2014-03-12 | Pharnext | Therapeutic approaches for treating epilepsy and related disorders through reduction of epileptogenesis |
EP2727587A1 (en) | 2012-10-30 | 2014-05-07 | Pharnext | Compositions, methods and uses for the treatment of diabetes and related conditions by controlling blood glucose level |
CN113209101A (zh) | 2013-06-05 | 2021-08-06 | 法奈克斯公司 | 用于组合的活性药物成分的稳定口服溶液 |
EP3062782A1 (en) | 2013-10-30 | 2016-09-07 | Pharnext | Compositions, methods and uses for the treatment of diabetes and related conditions by controlling blood glucose level |
CA2938361A1 (en) | 2014-02-11 | 2015-08-20 | Pharnext | Combination of baclofen, acamprosate and medium chain triglycerides for the treatment of neurological disorders |
US9700036B1 (en) | 2015-04-08 | 2017-07-11 | Justin P. Chatelain | Duck decoy device |
US9700037B1 (en) | 2014-09-08 | 2017-07-11 | Justin P. Chatelain | Duck decoy device |
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- 2015-02-10 MX MX2016010409A patent/MX2016010409A/es unknown
- 2015-02-10 WO PCT/EP2015/052694 patent/WO2015121218A1/en active Application Filing
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US20160354335A1 (en) | 2016-12-08 |
JP2017505786A (ja) | 2017-02-23 |
CA2938361A1 (en) | 2015-08-20 |
AU2015217796A1 (en) | 2016-08-18 |
WO2015121218A1 (en) | 2015-08-20 |
KR20160111013A (ko) | 2016-09-23 |
SG11201606275WA (en) | 2016-08-30 |
MX2016010409A (es) | 2016-11-30 |
US10905672B2 (en) | 2021-02-02 |
EA201691602A1 (ru) | 2017-03-31 |
IL246856A0 (en) | 2016-08-31 |
CN106456583B (zh) | 2020-04-07 |
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