JP6572256B2 - 液状生物学的活性成分の固形製剤を含む非静脈内剤型およびその使用 - Google Patents
液状生物学的活性成分の固形製剤を含む非静脈内剤型およびその使用 Download PDFInfo
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- JP6572256B2 JP6572256B2 JP2017094186A JP2017094186A JP6572256B2 JP 6572256 B2 JP6572256 B2 JP 6572256B2 JP 2017094186 A JP2017094186 A JP 2017094186A JP 2017094186 A JP2017094186 A JP 2017094186A JP 6572256 B2 JP6572256 B2 JP 6572256B2
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Description
本明細書は、その全文を参照文献として本明細書に援用する、2010年4月23日に出願された米国特許仮出願第61/327,348号明細書の優先権の特典を主張する。
本明細書で用いられる略語n−BMAはメタクリル酸n−ブチルを指す。
以下の節は、本明細書全体を通じて用いられる様々な用語および表現を定義する。
本明細書に記載される、液状生物学的活性成分の固形製剤は、非静脈内剤型で投与するとき、インビボで治療的効果を有するために十分な血漿レベルを達成することができることが現在認められている。これまで、そのような固形製剤は、水に溶いて静脈内剤型で投与することに適しているとのみ考えられた(国際公開第2006/05064号を参照)。
液状生物学的活性成分は、固形製剤の形成に用いられる安定化剤と適合し、かつ適切な条件下で生物学的活性成分が装填されたナノ分散またはミセルを形成することのできる任意の液状治療成分でありうる。液状生物学的活性成分は、本明細書に開示された調製の方法と適合することが理解されるであろう。
本明細書に記載の固形製剤は、たとえば唾液、粘液または胃液といった水性体液でありうる水性液状物と接触した直後などの水和の直後にミセルまたはナノ分散を形成する特性を有する。ミセルは水和直後に迅速かつ自然に形成することが確認されており、また選択した安定化剤に応じて、たとえばpH1から12などの幅広いpHレベルの範囲にわたって形成するであろう。
安定化剤は、適切な条件下で液状生物学的活性成分を装填されたナノ分散またはミセルを形成することができる任意の材料または担体でありうる。
固形製剤は、たとえば経口、舌下、鼻腔内、肺内、直腸、尿道、膣、眼、耳または局所投与用剤型などの、非静脈内投与に適した剤型に製剤化することができる。そのような剤型は、全般的に院内または外来環境のいずれかにおける使用に適している。
剤型は、カプセルまたはサッシェなどの適切な担体内の固形製剤から構成されうる。剤型は、任意に固形製剤および1つまたはそれ以上の添加剤を含みうる。添加剤は好ましくは医薬品等級であり、かつ、たとえば担体、バルク形成剤、不凍剤、凍結乾燥保護剤、結合剤、香味料、矯味剤、着色料、着臭剤、緩衝剤、保存料、希釈剤、分散剤、界面活性剤、崩壊剤、または追加的なスタビライザーなどを含みうる。
1つの態様においては、本明細書に定義される固形生成物を調製するための方法であって、ミセルまたはナノ分散形成を達成するための条件下で、少なくとも1つの安定化剤および少なくとも1つの溶媒の溶液を含む第1の混合物を形成すること、前記ミセルまたはナノ分散にそれを装填するための様態で少なくとも1つの液状生物学的活性成分を前記第1の混合物に添加しかつ第2の混合物を形成すること、前記第2の混合物を処理してそれより前記溶媒を除去し、同時に前記安定化剤と密に会合した前記液状生物学的活性成分を含有するほぼ固形の生成物を形成することを含み、前記固形の生成物が水和の直後に前記の少なくとも1つの生物学的活性成分を装填されたナノ分散またはミセルを形成することができる方法が提供される。
他の態様においては、本開示は、それを必要とする対象、典型的にはヒトまたは動物から選択される哺乳類に対し、本明細書に記載される非静脈内剤型の治療的に有効な量を投与することを含む、疾患または状態を治療する方法が提供される。
本明細書に記載の固形製剤および剤型は、数多くの異なる治療的用途において用いうる。したがって、本開示の他の態様は、本明細書に記載の固形製剤および剤型の使用を含む。
本開示の他の態様においては、本明細書に記載される非静脈内剤型を、疾患または状態の治療または予防における使用のための1つまたはそれ以上の指示とともに含む市販パッケージおよびキットが提供される。
ポリ(エチレングリコール)(分子量2,000、40.0mmol)80gを、トルエン250mLとの共沸蒸留により乾燥させる(水浴を140℃に設定)。ポリマーを室温に冷却した後、KH 2400mg(60.00mmol、4000mg(4.0mL)鉱油中にKH30%で分散)をアルゴン雰囲気下で添加する。用時蒸留したTHF850mLをポリマーに添加して溶解させる。強く攪拌しながらKHとPEGの反応を120分間遂行する。その後、蒸留せずにt−BMA 256mL(d 0.875、224g、Mw142.2かつ1575.2mmol)およびn−BMA 130mL(d 0.894、116.2g、Mw142.2、817.3mmol)を反応混合物に添加した後、ブロックコポリマー化を発生させるために溶液を20℃でさらに120分攪拌する。溶媒を蒸発させることによりポリマーを捕集した。精製および特性分析を行わずに、粗ポリマーを濃HClジオキサン溶液320mLで加水分解した。混合物を一晩還流する。以下の経験的構造を有するPEG−PMが得られる:(PEG45−b−P(MMA50−co−nBMA25))。
ポリ(エチレングリコール)メチルエーテル(PEGMe)(Mw2,000、30.0mmol)を、110℃で攪拌しながら16時間真空乾燥させる。ポリマーを室温まで冷却した後、用時蒸留したTHFを900mL加える。ポリマーが完全に溶解し、さらに溶液が室温となったとき、KH 1800mg(45.00mmol、6000mg(6.0mL)鉱油中にKH30%で分散)をアルゴン雰囲気下で添加する。強く攪拌しながらKHとPEGMeの反応を120分間遂行する。その後、t−BMA 192mL(d 0.875、168g、Mw142.2、1.181mol)を反応容器に加える。溶液をさらに20℃で120分間攪拌してジブロックコポリマー化を発生させる。一旦t−BMAとの反応が完了したならば、添加用フラスコを用いてn−BMA 108mL(d 0.894、96.55g、分子量142.2、678.98mmol)を反応容器に加える。溶液をさらに20℃で120分間攪拌してトリブロックコポリマー化を発生させる。反応が完了したならば、溶媒を蒸発させることによりポリマーを捕集した。精製および特性分析を行わずに、粗ポリマーを濃HCl 320mL[HCl>1.5eq(約HCl3.75mol約濃HCl320mL)]で加水分解し、さらにジオキサン780mLをポリマー溶液に添加する。この新たな混合物を110℃で一晩還流下に保つ。加水分解が完了した後、溶液を約600mLまで濃縮し、ポリマーを冷水(約2000mL)で沈殿化させた。その後ポリマーを10000rpmで10分間遠心分離した。残りの不純物を除去するために、前段階で得られた粗ポリマーをTHF(できるだけ少量)に溶解し、さらに再度冷水(約2000mL)で沈殿させる。その後ポリマーを10000rpmで10分間遠心分離した。
0.1N NaOHでPEG−PMAの50mg/mL溶液を調製する。ポリマーの完全な溶解を得るために超音波処理を用いる。最終pH=8を得るまで適切な量の固形NaOHを添加する。所望の薬剤装填レベル(薬剤/(ポリマー+薬剤)の重量比)(例:10%w/w)を得るよう、電磁攪拌機で激しく攪拌しながらプロポフォールをポリマー溶液に添加する。溶液を一晩還流する。PPFが最終濃度5mg/mLとなる量の脱イオン水を加える。
この実施例においては、ヒュットリン(Huettlin)液体ベッド装置を用いて、50gの高速流動乳糖上にプロポフォールを10%装填したPEG−PMAミセルの水溶液20mLを噴霧した。本試験用の実験条件を表3に要約する。
0.1N NaOHでPEG−PMAの50mg/mL溶液を調製する。ポリマーの完全な溶解を得るために超音波処理を用いる。たとえば10%w/wなどの所望の薬剤装填レベル(薬剤/(ポリマー+薬剤)重量比)を得るよう、電磁攪拌機で激しく攪拌しながら薬剤溶液をポリマー溶液に添加する。溶液を一晩還流する。最終濃度5mg/mLのPPFを得るよう脱イオン水を加える。溶液を小分けにし、各製剤を凍結乾燥する。
浸透性試験は、十分に確立した薬物バイオアベイラビリティモデルにおいてインビトロで実施した。Caco−2細胞を、12ウェルポリエステルフィルター膜に細胞密度60,000/フィルターで播種し、21日間培養した。37℃でのPPFの頂端側から基底外側への移行は120分後に評価した。製剤はpH6.8のハンクバッファー培地に溶解した。
(げっ歯類薬物動態試験)
本明細書において報告された試験に用いられるプロポフォールベースの製剤の特性を表7に示す。
%PDLLA:34.4%(TGAで測定)
Mw=4961
Mn=4177
PI=1.2
PEG−MAA−nBMA:45−58−26
Mw=13600(SLSで測定)
Mn=10709(NMRで測定)
PI−1.28
%PDLLA:29.4%(TGAで測定)
Mw=4685
Mn=3872
PI=1.2
ミニブタ薬物動態試験は、8〜12kg、月齢3〜6ヶ月の雄性ゲッティンゲンミニブタにおいて以下のように実施した:
i)静脈内投与前と投与の1、5、10、20、30、60,120,240および480分後、および
ii)経口投与前と投与の5、10、15、20、30および60、120、240、480および720分後に採取した。
プロポフォールの舌下投与に適した速崩壊性錠剤(RDT)または「ウェハー」は、以下の表11において製剤を定義して調製した。
ブロックコポリマーを0.1N NaOH溶液に溶解し、さらに溶液にプロポフォールを加えた。混合物を一晩攪拌し、さらに溶液のpHを7.5に調節した。ミセルのZ平均直径は、単峰性サイズ分布で158nmであった(多分散性=0.04)。ミセルの最終理論プロポフォール濃度は5mg/mLであろう。
アスパルテームおよびマンニトールを上記のミセル溶液に溶解し、その後コントラミド(登録商標)(ラボファーム(Labopharm))を室温で分散させた。
(プロポフォールミセルの調製)
PEG−PMAポリマーを0.1N NaOH溶液に溶解し、さらに溶液にプロポフォールを加えた。混合物を一晩攪拌し、さらに溶液のpHを7.5に調節した。ミセル中の最終理論プロポフォール濃度は5mg/mLであろう。
1.アスパルテームおよびマンニトールを上記のミセル溶液に溶解し、その後コントラミドを室温で分散させた。
2.上記の懸濁液をブリスターのウェルに移し(0.5mLはプロポフォール2.5mgに相当)、さらに−80℃で凍結した。
3.その後ブリスターを瞬間凍結減圧乾燥した。
(プロポフォールミセルの調製)
PEG−PLAポリマーをpH6.8のリン酸バッファーに溶解し、さらに溶液にプロポフォールを加えた。混合物を一晩還流した。ミセル中の最終理論プロポフォール濃度は10mg/mLであろう。
1.アスパルテームおよびマンニトールを上記のミセル溶液に溶解し、その後コントラミドを室温で分散させた。
2.上記の懸濁液をブリスターのウェルに移し(0.5mLはプロポフォール5 mgに相当)、さらに−80℃で凍結した。
3.その後ブリスターを瞬間凍結減圧乾燥した。
Claims (16)
- 疎水性液状生物学的活性成分の非静脈内投与を目的とし、安定化剤、及び前記安定化剤の少なくとも1つと密に会合した前記疎水性液状生物学的活性成分を含む固形製剤を含む剤型であって、
水和の直後に、前記疎水性液状生物学的活性成分が装填されたナノ分散またはミセルを形成することができ、
前記安定化剤が少なくとも1つの両親媒性コポリマーを含み、両親媒性コポリマーがポリビニルピロリドン−ポリ−DL−ラクチド(PVP−PDLLA)コポリマーであり、
ミセルが単峰性集団であり、
前記安定化剤の非存在下における前記疎水性液状生物学的活性成分の同じ投与経路と比較して少なくとも10%のバイオアベイラビリティの増加を示す、ことを特徴とする前記剤型。 - 前記安定化剤がラウリル硫酸、塩化ヘキサデシルピリジニウム、ポリソルベート、ソルビタン、ポリ(オキシエチレン)アルキルエーテル、ポリ(オキシエチレン)アルキルエステルおよびその組み合わせを含む群から選択される前記界面活性剤を更に含むことを特徴とする、請求項1記載の剤型。
- 前記疎水性液状生物学的活性成分がプロポフォール、キナルジン、メトキシフルラン、ニコチン、フィトナジオン、メトキシフルラン、ジノプロストトロメタミンおよびメソプロストール、またはそのプロドラッグまたは誘導体からなる群から選択されることを特徴とする、請求項1又は2記載の剤型。
- 前記疎水性液状生物学的活性成分がプロポフォールである、請求項3記載の剤型。
- 経口、舌下、鼻腔内、肺内、直腸、尿道、膣、眼、耳または局所投与に適している、請求項1から4のうちいずれか1つに記載の剤型。
- 経口投与又は舌下投与に適している、請求項5に記載の剤型。
- 前記剤型が錠剤の形態にあることを特徴とする、請求項1から6のうちいずれか1つに記載の剤型。
- 前記錠剤が前記剤型からの前記固形製剤の迅速な放出を促進する崩壊剤または崩壊マトリクスを含む速崩壊性錠剤(RDT)であることを特徴とする、請求項7に記載の剤型。
- 前記崩壊マトリクスがデンプンまたはハイドロゲルであることを特徴とする、請求項8に記載の剤型。
- 粉末である、請求項1から6のうちいずれか1つに記載の剤型。
- PVP−PDLLAが、
%PDLLA:34.4%、Mw=4961、Mn=4177及びPI=1.2;又は、
%PDLLA:29.4%、Mw=4685、Mn=3872及びPI=1.2を有する、請求項1から10のうちいずれか1つに記載の剤型。 - 絶対的バイオアベイラビリティが20%と80%の間である、請求項1から11のうちいずれか1つに記載の剤型。
- 請求項1記載の剤型の調製方法であって、ミセルまたはナノ分散形成を達成する条件下で少なくとも1つの溶媒中にある少なくとも1つの安定化剤の第1の混合物を提供すること、前記第1の混合物と少なくとも1つの疎水性液状生物学的活性成分を混合して前記ミセルまたはナノ分散に前記疎水性液状生物学的活性成分を装填することにより第2の混合物を提供すること、前記第2の混合物より溶媒を除去して固形製剤を形成すること、および、非静脈内剤型の調製に適した1つまたはそれ以上の添加剤を加えることを含む、前記方法。
- 溶媒が噴霧乾燥によって除去される、請求項13に記載の方法。
- 溶媒が凍結乾燥によって除去される、請求項13に記載の方法。
- 請求項1記載の固形製剤の調製方法であって、前記疎水性液状生物学的活性成分と前記安定化剤の密な混合物が形成されるような様態で、前記安定化剤、前記疎水性液状生物学的活性成分、及び、そのための少なくとも1つの溶媒との混合物を乾燥することにより、溶媒が除去されることを特徴とする、前記方法。
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WO2017205632A1 (en) * | 2016-05-27 | 2017-11-30 | The Johns Hopkins University | Buccal, sublingual and intranasal delivery of fospropofol |
JP6912876B2 (ja) * | 2016-10-06 | 2021-08-04 | 三洋化成工業株式会社 | アクリル系医薬固形製剤用添加剤 |
GB2561009B (en) * | 2017-03-31 | 2020-05-13 | Altus Formulation Inc | Non-ionic PVP-PLA block copolymers and pharmaceutical compositions derived therefrom |
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EP1120109A3 (en) * | 2000-01-24 | 2002-07-10 | Pfizer Products Inc. | Rapidly disintegrating and fast dissolving solid dosage form |
US6338859B1 (en) * | 2000-06-29 | 2002-01-15 | Labopharm Inc. | Polymeric micelle compositions |
US6623765B1 (en) * | 2000-08-01 | 2003-09-23 | University Of Florida, Research Foundation, Incorporated | Microemulsion and micelle systems for solubilizing drugs |
US6780324B2 (en) * | 2002-03-18 | 2004-08-24 | Labopharm, Inc. | Preparation of sterile stabilized nanodispersions |
DE60322091D1 (de) * | 2002-10-25 | 2008-08-21 | Labopharm Inc | Zubereitungen mit kontrollierter freisetzung |
BRPI0412211A (pt) * | 2003-07-23 | 2006-08-22 | Pr Pharmaceuticals Inc | composições de liberação controlada |
AU2004299109A1 (en) * | 2003-12-17 | 2005-06-30 | Eisai Inc. | Methods of administering water-soluble prodrugs of propofol for extended sedation |
US20060198891A1 (en) * | 2004-11-29 | 2006-09-07 | Francois Ravenelle | Solid formulations of liquid biologically active agents |
KR20090080046A (ko) * | 2006-09-22 | 2009-07-23 | 라보팜 인코포레이트 | pH 표적화된 약물 운반용 조성물 및 방법 |
CA2694089A1 (en) * | 2007-07-16 | 2009-01-22 | Northeastern University | Therapeutic stable nanoparticles |
DK2200588T3 (da) * | 2007-09-25 | 2019-07-01 | Solubest Ltd | Sammensætninger, som omfatter lipofile aktive forbindelser, og fremgangsmåde til fremstilling deraf |
FR2930444B1 (fr) * | 2008-04-29 | 2010-06-04 | Servier Lab | Micelles polymerisees |
EP2563349A4 (en) * | 2010-04-23 | 2014-03-19 | Paladin Labs Inc | NON-INTRAVENOUS-MODIFIED FORM COMPRISING A SOLID FORMULATION OF A BIOLOGICALLY ACTIVE LIQUID AGENT AND USES THEREOF |
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- 2011-04-21 WO PCT/CA2011/000447 patent/WO2011130834A1/en active Application Filing
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US20130039864A1 (en) | 2013-02-14 |
JP2013530931A (ja) | 2013-08-01 |
IL222568A0 (en) | 2012-12-31 |
IL222568A (en) | 2017-05-29 |
EP2563349A1 (en) | 2013-03-06 |
CA2797098A1 (en) | 2011-10-27 |
EP2563349A4 (en) | 2014-03-19 |
CA2797098C (en) | 2019-03-26 |
WO2011130834A1 (en) | 2011-10-27 |
WO2011130834A8 (en) | 2013-01-10 |
JP2017186346A (ja) | 2017-10-12 |
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