JP2017525686A - 薬物のバイオアベイラビリティーの増加および/または眼作用の持続方法 - Google Patents
薬物のバイオアベイラビリティーの増加および/または眼作用の持続方法 Download PDFInfo
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- JP2017525686A JP2017525686A JP2017504698A JP2017504698A JP2017525686A JP 2017525686 A JP2017525686 A JP 2017525686A JP 2017504698 A JP2017504698 A JP 2017504698A JP 2017504698 A JP2017504698 A JP 2017504698A JP 2017525686 A JP2017525686 A JP 2017525686A
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Classifications
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/498—Pyrazines or piperazines ortho- and peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A61K9/0012—Galenical forms characterised by the site of application
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- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
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- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
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Landscapes
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
樹脂「アンバーライト(登録商標)IRP69」を複数回、無水アルコールで洗浄した。pHがほぼ中性(pH7.0)になるまでミリポア水で樹脂をさらに洗浄した。樹脂の粒径分布をマルバーンマスターサイザー2000 バージョン5.60(Malvern Instruments Ltd.、英国マルバーン)を用いて測定した。樹脂のヒストグラムを図1に示す。樹脂はD10が2.341ミクロン、D50が5.175ミクロン、D90が10.41ミクロンである粒径分布を有する。樹脂を表1の組成物の製造に使用した。
精製ナノ樹脂の製造:樹脂「アンバーライト(登録商標)IRP69」をメタノールまたは無水アルコールなどの適切なアルコールを用いて複数回洗浄した。pHがほぼ中性(pH7.0)になるまで加熱したミリポア水で樹脂をさらに洗浄した。洗浄した樹脂に対して湿式磨砕を行い、D90が900nm未満となるナノメートル範囲まで粒径を低減した。洗浄した樹脂および安定化したジルコニアビーズを、テフロン被覆磁気ビーズを備えた容器内の注射用水に添加した。該容器をマグネチックスターラで約24〜48時間ウェットグラインディングして、粉砕したナノ径樹脂粒子を得た。そのように形成したスラリーを25ミクロンのふるいにかけてビーズを取り除き、40ミクロンのPPフィルターにさらに通した。上記で得た粉砕した樹脂懸濁液剤に対して、500kD中空繊維カートリッジでダイアフィルトレーションを行い、水抽出可能な不純物を樹脂の1.0重量%未満まで低減した。粉砕した樹脂懸濁液剤を注射用水でさらに洗浄した。このスラリーを凍結乾燥して、粉砕精製樹脂の乾燥粉末体を得た。
実施例3〜5の水性懸濁液剤を、HPMCおよびPVPの添加工程を除き、上記と同様にして製造した。
化学的安定性評価を行い、そのために、実施例2(A)の水性懸濁液剤を5ml乳白色LDPE容器内に満たした。実施例2(A)の水性懸濁液剤で満たされたびんを加速安定性条件に付し、製品の有効期間中の貯蔵安定性を決定した。該びんを異なる条件に保管した。該びんを「中心から離れた」位置だけでなく真っ直ぐに保った。ブリモニジンのアッセイ観察を以下に示す。
実施例は、まばたきからもたらされるせん断などのせん断を行った場合の個々の薬物搭載ナノ樹脂粒子へのクラスター分離する、実施例2(A)で懸濁した薬物搭載ナノ樹脂粒子の可逆的クラスターに対するせん断の効果について説明している。開始時およびせん断印加時に、この効果を粒径分布に対して測定した。
1日1回投与された実施例2(A)の懸濁液剤の有効性(眼圧低下効果)をニュージーランド白(NZW)ウサギで試験した。これを、1日3回投与されるアルファガン(登録商標)Pの0.15%(w/v)および1日1回投与される偽薬と比較した。0.2mlデキサメタゾン(Solodex(登録商標)点眼0.1%(w/v))を10日の間隔をおいて2回の硝子体内注射により雄NZWウサギに高眼圧症を片側性に(すなわち、左眼、コントロールとして右眼)導入した。反対側の眼と比較した眼圧の有意な上昇(>6mmHg)を60日まで持続するデキサメタゾンの第一注射の20日目から確証し;眼圧に対するブリモニジン懸濁液剤を用いた治療効果をこの期間中評価した。眼圧上昇に基づいて動物を3つの異なる治療群−実施例2(A)の懸濁液剤、{試験}(0.35%(w/v));アルファガン(登録商標)P、0.15%(w/v)および偽薬にランダムに分け;各群は5つの動物を有した。用量投与の期間は21日だった。
この実施例は、眼に対する薬物「ブリモニジン酒石酸塩」の眼作用の持続方法であって、前記方法が本発明の水性懸濁液剤の投与を含む前記方法を例証する。1日1回投与された実施例2(A)の懸濁液剤(ブリモニジン酒石酸塩0.35%(w/v))、ならびに1日2回投与された実施例2(B)の本発明の別の懸濁液剤(ブリモニジン酒石酸塩0.15%(w/v))の有効性(眼圧低下効果)をNZWウサギで試験した。これを、1日3回投与されるアルファガン(登録商標)Pの0.15%(w/v)と比較した。
・偽薬
・ブリモニジン酒石酸塩水性懸濁液剤、実施例2(A)0.35%(w/v)−被験物質1
・ブリモニジン酒石酸塩水性懸濁液剤、実施例2(B)0.15%(w/v)−被験物質2
・アルファガン(登録商標)P、0.15%(w/v)−参照処方物
ブリモニジン酒石酸塩(0.35%(w/v))を含む水性懸濁液剤の安全性/毒性プロファイルを14日間の毎日の点眼投与後のニュージーランド白ウサギで評価した。試験の目的は、NOAEL、すなわち、ヒトの眼に使用するための副作用が観察されないレベル、暴露レベルおよび安全基準を確立することであった。
20匹のニュージーランド白ウサギ;(10匹の雄と10匹の雌)を、体重を基準に以下の5つの試験群にランダムに分けた。各群は両方の性別の2匹の動物から成った。所望の用量を点眼により投与した。
G1(食塩水{コントロール}、360μL/動物/日)、1回当たり30μL/眼 × 6回/日
G2(偽薬、360μL/動物/日)、1回当たり30μL/眼 × 6回/日
G3(低用量{試験}、60μL/動物/日)、1回当たり30μL/眼 × 1回/日
G4(中用量{試験}、180μL/動物/日)、1回当たり30μL/眼 × 3回/日
G5(高用量{試験}、360μL/動物/日)、1回当たり30μL/眼 × 6回/日
G3、G4&G5試験=0.35%(w/v)本発明のブリモニジン酒石酸塩水性懸濁液剤(実施例2(A))
この実施例では、0.15%(w/v)のブリモニジン酒石酸塩を含む本発明の水性懸濁液剤(実施例2(B)の懸濁液剤;本明細書で試験処方物と呼ぶ)を眼への点眼時のイオン性薬物、ブリモニジン酒石酸塩の眼組織分布を試験し、0.15%(w/v)のブリモニジン酒石酸塩を含む現在市販製品アルファガン(登録商標)P(本明細書で参照処方物と呼ぶ)と比較した。ニュージーランド白ウサギで試験を行った。試験および参照処方物の点眼後4時間(t=4時間)のCmax値およびAUC0〜t値を前部および後部の眼組織において決定した。異なる組織(房水、角膜、強膜、眼瞼、結膜、水晶体、網膜、硝子体液)における試験処方物(本発明)および参照処方物(アルファガン(登録商標)P)を比較したCmax値(ng(ナノグラム)・ml−1)およびAUC0〜t値(ng・ml−1・時−1)を図15〜17に示す。バイオアベイラビリティー(AUC0〜t)だけでなく最大濃度(Cmax)が、参照処方物、すなわち、アルファガン(登録商標)Pに対して試験処方物、すなわち、本発明の水性懸濁液剤の場合に、組織全てにおいてより高いことが明白に分かる。値の差は有意である。例えば、図15でにおいて、試験処方物の角膜におけるCmaxは、14793ng・ml−1であるが、参照処方物の場合では6491ng・ml−1でしかない。、試験処方物の網膜におけるCmaxは、1267ng・ml−1であるが、参照処方物の場合では603ng・ml−1でしかない(図16)。また、試験処方物の場合では、より高い薬物量が組織に達している;例えば、網膜などの後部組織のバイオアベイラビリティー、すなわち、AUC0〜tは、参照処方物で得られた537ng・ml−1・時−1のAUC0〜tに対して試験処方物の場合に1741ng・ml−1・時−1であった。従って、参照処方物に対する試験処方物の均等強度(0.15%(w/v))を比較したこの試験結果から、本発明の水性懸濁液剤が従来の市販処方物(アルファガン(登録商標)P)と比較して、全組織においてバイオアベイラビリティーの増加およびより高いCmaxを提供することは明白である。
実施例は、本発明の1つの実施形態に従って、イオン性薬物ドキシサイクリンの水性懸濁液剤処方物を提供する。
実施例は、本発明の1つの実施形態に従って、ブロムフェナクナトリウムの水性懸濁液剤処方物を提供する。
Claims (21)
- 水性懸濁液剤を眼に点眼することを含む、薬物のバイオアベイラビリティーの増加および/または眼作用の持続方法であって、
前記水性懸濁液剤は、
(a)薬物搭載ナノ樹脂粒子の可逆的クラスターであって、前記クラスターは少なくとも2マイクロメートルのD50値を有し、前記薬物搭載ナノ樹脂粒子は、D90値が70ナノメートル〜900ナノメートルである粒径分布を有する前記薬物搭載ナノ樹脂粒子の可逆的クラスター、および
(b)懸濁剤を含んでなる、前記方法。 - 前記D90値が、200ナノメートル〜700ナノメートルである、請求項1に記載の方法。
- 前記薬物が、ブリモニジン、ドキシサイクリン、ブロムフェナク、オロパタジン、エメダスチン、ドルゾラミド、シプロフロキサシン、モキシフロキサシン、ベシフロキサシン、ゲンタマイシン、ネオマイシン、ポリミキシン、ケトチフェン、フェニレフリン、ピリラミン、ジピベフリン、オキシメタゾリン、レボカバスチン、アゼラスチン、エピナスチン、ベポタスチン、ジピベフリン、ナファゾリン、アプラクロニジン、レボブノロール、ベタキソロール、レボベタキソロール、チモロール、カルテロール、デキストロメトルファン、 シクロペントラート、プロパラカイン、ピロカルピン、ジクロフェナク、スルファセタミド、フルルビプロフェン、ケトロラクあるいはその薬剤的に許容可能な塩またはその混合物から選択される、請求項1に記載の方法。
- ブリモニジンまたはその薬剤的に許容可能な塩が、0.05重量/体積%〜0.5重量/体積%の濃度で存在する、請求項3に記載の方法。
- ブリモニジンまたはその薬剤的に許容可能な塩が、ブリモニジン酒石酸塩であり、0.35重量/体積%の濃度で存在する、請求項4に記載の方法。
- 前記薬物搭載ナノ樹脂粒子は、前記D50値が50ナノメートル〜350ナノメートルである粒径分布を有する、請求項1に記載の方法。
- 前記ナノ樹脂がカチオン交換ナノ樹脂またはアニオン交換ナノ樹脂から選択される、請求項1に記載の方法。
- 前記カチオン交換ナノ樹脂がポリスチレンジビニルベンゼンスルホン酸塩である、請求項7に記載の方法。
- 前記懸濁剤がアニオン性ポリマー、非イオン性ポリマーまたはその混合物から選択される、請求項1に記載の方法。
- 前記水性懸濁液剤を緑内障治療のため1日1回眼に点眼する、請求項5に記載の方法。
- (a)薬物搭載ナノ樹脂粒子の可逆的クラスターであって、前記クラスターは少なくとも2マイクロメートルのD50値を有し、前記薬物搭載ナノ樹脂粒子は、D90値が70ナノメートル〜900ナノメートルである粒径分布を有する前記薬物搭載ナノ樹脂粒子の可逆的クラスター、および(b)懸濁剤を含んでなる水性懸濁液剤。
- 前記D90値が、200ナノメートル〜700ナノメートルである、請求項11に記載の水性懸濁液剤。
- 前記薬物が、ブリモニジン、ドキシサイクリン、ブロムフェナク、オロパタジン、エメダスチン、ドルゾラミド、シプロフロキサシン、モキシフロキサシン、ベシフロキサシン、ゲンタマイシン、ネオマイシン、ポリミキシン、ケトチフェン、フェニレフリン、ピリラミン、ジピベフリン、オキシメタゾリン、レボカバスチン、アゼラスチン、エピナスチン、ベポタスチン、ジピベフリン、ナファゾリン、アプラクロニジン、レボブノロール、ベタキソロール、レボベタキソロール、チモロール、カルテロール、デキストロメトルファン、 シクロペントラート、プロパラカイン、ピロカルピン、ジクロフェナク、スルファセタミド、フルルビプロフェン、ケトロラクあるいはその薬剤的に許容可能な塩またはその混合物から選択される、請求項11に記載の水性懸濁液剤。
- ブリモニジンまたはその薬剤的に許容可能な塩が、0.05重量/体積%〜0.5重量/体積%の濃度で存在する、請求項13に記載の水性懸濁液剤。
- ブリモニジンまたはその薬剤的に許容可能な塩が、ブリモニジン酒石酸塩であり、0.35重量/体積%の濃度で存在する、請求項14に記載の水性懸濁液剤。
- 前記薬物搭載ナノ樹脂粒子は、前記D50値が50ナノメートル〜350ナノメートルである粒径分布を有する、請求項11に記載の水性懸濁液剤。
- 前記ナノ樹脂が、カチオン交換ナノ樹脂またはアニオン交換ナノ樹脂から選択される、請求項11に記載の水性懸濁液剤。
- 前記カチオン交換ナノ樹脂が、ポリスチレンジビニルベンゼンスルホン酸塩である、請求項17に記載の水性懸濁液剤。
- 前記懸濁剤が、アニオン性ポリマー、非イオン性ポリマーまたはその混合物から選択される、請求項11に記載の水性懸濁液剤。
- 眼に前記水性懸濁液剤を1日1回点眼することによる緑内障治療に使用するための、請求項15に記載の水性懸濁液剤。
- 薬物のバイオアベイラビリティーの増加および/または眼作用の持続に使用するための、請求項11〜20のいずれかに記載の水性懸濁液剤。
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JP2022017260A (ja) * | 2019-02-15 | 2022-01-25 | ノバルティス アーゲー | 4-(7-ヒドロキシ-2-イソプロピル-4-オキソ-4h-キナゾリン-3-イル)-ベンゾニトリルの製剤 |
JP7465453B2 (ja) | 2019-02-15 | 2024-04-11 | ボシュ + ロム アイルランド リミテッド | 4-(7-ヒドロキシ-2-イソプロピル-4-オキソ-4h-キナゾリン-3-イル)-ベンゾニトリルの製剤 |
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EP3179982B1 (en) | 2023-07-19 |
JP6567648B2 (ja) | 2019-08-28 |
EP3954362A1 (en) | 2022-02-16 |
EP3179982A1 (en) | 2017-06-21 |
US11058684B2 (en) | 2021-07-13 |
US20170239243A1 (en) | 2017-08-24 |
US20190070176A1 (en) | 2019-03-07 |
US20240180902A1 (en) | 2024-06-06 |
ES2951202T3 (es) | 2023-10-19 |
US20230098352A1 (en) | 2023-03-30 |
US11931359B2 (en) | 2024-03-19 |
EP3179982A4 (en) | 2017-12-27 |
US20210308130A1 (en) | 2021-10-07 |
PL3179982T3 (pl) | 2023-09-25 |
US11951106B2 (en) | 2024-04-09 |
US10172852B2 (en) | 2019-01-08 |
WO2016016908A1 (en) | 2016-02-04 |
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