JP2013129663A - マルチ粒子 - Google Patents
マルチ粒子 Download PDFInfo
- Publication number
- JP2013129663A JP2013129663A JP2013039559A JP2013039559A JP2013129663A JP 2013129663 A JP2013129663 A JP 2013129663A JP 2013039559 A JP2013039559 A JP 2013039559A JP 2013039559 A JP2013039559 A JP 2013039559A JP 2013129663 A JP2013129663 A JP 2013129663A
- Authority
- JP
- Japan
- Prior art keywords
- oxycodone
- active agent
- pharmaceutically active
- release
- multiparticulates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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- RYMZZMVNJRMUDD-HGQWONQESA-N simvastatin Chemical compound C([C@H]1[C@@H](C)C=CC2=C[C@H](C)C[C@@H]([C@H]12)OC(=O)C(C)(C)CC)C[C@@H]1C[C@@H](O)CC(=O)O1 RYMZZMVNJRMUDD-HGQWONQESA-N 0.000 description 1
- 229940080313 sodium starch Drugs 0.000 description 1
- 229940079832 sodium starch glycolate Drugs 0.000 description 1
- 229920003109 sodium starch glycolate Polymers 0.000 description 1
- 239000008109 sodium starch glycolate Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- GGCSSNBKKAUURC-UHFFFAOYSA-N sufentanil Chemical compound C1CN(CCC=2SC=CC=2)CCC1(COC)N(C(=O)CC)C1=CC=CC=C1 GGCSSNBKKAUURC-UHFFFAOYSA-N 0.000 description 1
- 229960004739 sufentanil Drugs 0.000 description 1
- 229960000468 sulfalene Drugs 0.000 description 1
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- IWVCMVBTMGNXQD-UHFFFAOYSA-N terramycin dehydrate Natural products C1=CC=C2C(O)(C)C3C(O)C4C(N(C)C)C(O)=C(C(N)=O)C(=O)C4(O)C(O)=C3C(=O)C2=C1O IWVCMVBTMGNXQD-UHFFFAOYSA-N 0.000 description 1
- 229960002180 tetracycline Drugs 0.000 description 1
- 229930101283 tetracycline Natural products 0.000 description 1
- 229940040944 tetracyclines Drugs 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229960004659 ticarcillin Drugs 0.000 description 1
- OHKOGUYZJXTSFX-KZFFXBSXSA-N ticarcillin Chemical compound C=1([C@@H](C(O)=O)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)C=CSC=1 OHKOGUYZJXTSFX-KZFFXBSXSA-N 0.000 description 1
- 229960005053 tinidazole Drugs 0.000 description 1
- 229960000707 tobramycin Drugs 0.000 description 1
- NLVFBUXFDBBNBW-PBSUHMDJSA-N tobramycin Chemical compound N[C@@H]1C[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N NLVFBUXFDBBNBW-PBSUHMDJSA-N 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- IEDVJHCEMCRBQM-UHFFFAOYSA-N trimethoprim Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(N)=NC=2)N)=C1 IEDVJHCEMCRBQM-UHFFFAOYSA-N 0.000 description 1
- 229960001082 trimethoprim Drugs 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000005019 zein Substances 0.000 description 1
- 229940093612 zein Drugs 0.000 description 1
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Abstract
【解決手段】薬学上活性な薬剤を含有する混合物の押出を、可塑剤として作用し、及びまた潤滑剤として作用するのに十分な量の可塑化賦形剤を用いることによって達成することができ、それによって、潤滑剤の包含の必要性を回避する。
【選択図】なし
Description
制御した放出性の薬学上の調製物を生産するための押出処理は、調製物の製造に必要な処理工程を減らすこと、並びに継続的又は半-継続的な基準により遂行すべき製造を可能にする利点を持つと思われる。活性な薬剤を含む軟化させたブレンド(配合物)のそのような押出は、通常、溶融押出と称される。溶融押出技術のバックボーンは、マトリクス(媒体)内の溶液又は分散物形態における包埋した薬物のためのバインダ(結合剤)として作用する熱可塑性物質の適用である。低いガラス転移温度(Tg)を有する熱可塑性重合体は、溶融押出による処理にとって好ましい。より一層低い処理温度が感熱性薬物及び他の必要な賦形剤の安定性に関して好ましい。重合体のガラス転移温度を減少させ、可塑剤の随意の添加によるより一層低い温度での処理を促進させることができる。
治療上活性な薬剤を、(1)アルキルセルロース、アクリル酸及びメタクリル酸重合体及び共重合体、セラック、ゼイン、水素化ヒマシ油、水素化植物油、及びその混合物からなる群より選ばれる物質、及び(2)天然又は合成のワックス、脂肪酸、脂肪アルコール、及びその混合物からなる群より選ばれる可融性(fusible)担体; 30-200℃間の融点を持ち、及び治療上活性な薬剤の放出を更に遅らせるのに十分な量で含まれる遅延物質と一緒に配合する工程;
前記配合物をそのものを押出すのに十分なように混合物を軟化させるのに十分な温度にまで加熱する工程;
前記加熱した混合物を、0.1から3までのmmの直径を持つ糸(ストランド)として押出す工程; 前記糸を冷却する工程; 及び前記糸を分けて0.1から5までのmmの長さを持つ前記押出物の非-球状(non-spheroidal)のマルチ-粒子を形成する工程; 及び
前記非-球状マルチ-粒子を、前記治療上活性な薬剤の有効量を含む単位用量(unit dose)に分かち、前記単位用量が前記治療上活性な薬剤の約8から約24までの時間の時間期間についての徐放性を提供する工程
を備える。
本発明者等は驚くべきことに、可塑化効果を見せる賦形剤がまた、有用な潤滑特性をも持ち得ることを見出した。潤滑は、押出機において媒体物質が押出室(チャンバ)の壁、オリフィスの壁、及び押出機におけるスクリュ及び他の要素の表面に付着するのを減少させる。この減少の効果は、押出のために必要なトルク及びモータに供給されなければならない力(電力)を減少させることを許す。
この発明の好適なマルチ粒子は、(a)活性な薬剤、(b)水-不溶性のメタクリル酸アンモニウム共重合体、(c)非-支配的な可塑剤、及び(d)水浸透性調節剤を含有する。
・水不溶性から乏しい溶解性まで、
・低い水性の浸透性、
・様々な薬物及び他の添加剤との適合性(compatiblility, compatibility)を例示する、
・中等度の温度で分解を伴わずに、又はより一層低い温度で適した可塑剤の存在下に押出可能で、
・意図する貯蔵時間及び条件に関し安定であり、
・熱的な安定性。
(a)Eudragit RS POにおける所定の濃度での示差操作熱量測定によって可塑化効果について試験するとき、Eudragit重合体のTg(℃として測定する)を、同じ濃度の典型的な可塑剤によって提供される減少の±50%内だけ減少させる;
(b)Eudragit RS POにおける所定の濃度でのIKA(R)(商標)MKD 0,6-H60 High-performance measuring kneader(高性能測定混練機)において潤滑効果について試験するとき、トルク(Nmとして測定する)を、同じ濃度の典型的な可塑剤によって提供される減少の±50%内だけ減少させる;
そこではTg及びトルクの値は3種の試験結果の平均である。
より一層良好なバッチからバッチまでの再現性。
より一層容易な被覆及びより一層低い必要被覆重量。
より一層良好なカプセル充填及びより一層高い収量。
高められた貯蔵温度でのより一層の安定。
より一層のタンパレジスタント(tamper resistant、不正防止)。
減らされた下流での処理。
異なる長さのペレット(小球)及び静電気にまで粉々にされる糸のような、糸の運搬及びペレット化中に生じる若干の問題の減少又は除去。
(標準化条件)
次の実験作業のために、標準化された条件を、塩酸オキシコドン配合物の押出について確立した。特に他に規定しない限り、押出機はLeistritz Micro 18であり、140rpmのスクリュ速度で駆動し、2.6kg/hの供給速度を有し、1mm直径及び1mm長さの小球を生産する。
典型的なバッチゾーン温度を後に与える。
オキシコドン押出マルチ粒子の例1から7までのものを、Ph. Eur. のバスケット溶解器機を、37℃、100rpm、900mLのUSP擬態の胃液、SGFでの、pH1.2で酵素を伴わないものにおいて用いて、溶解について試験した。標準的なHPLC手法をアッセイのために用いた。
インビトロでの放出速度を測定し、及び添付する図2から5までにプロットした結果を与えた。
次の試行バッチで、8.3%w/wの薬物負荷を用いたものを調製したが、そこでは重量は単位用量当りのmgである。
Q12Hrの調剤物を、30.3%w/wの薬物負荷を用いて調製し、サイズ1のカプセルへの充填を可能にした: 132mgの用量重量における40mg及び264mgの用量重量における80mg。成分レベルは比較的低い処理温度で達成されることを可能にした。コンベヤ及びペレタイザの速度は処理中至適化した。例4及び5についての処理条件を示す。
例4は好適な30.3%w/wの薬物負荷の生成物である。
押出機: Leistritz Micro18
スクリュ配置: 図1の図表参照
供給速度(kg/時間): 2.0
スクリュ速度(rpm): 120
ダイプレートオリフィス直径(mm): 1.0(8オリフィスプレート)
小球寸法: 1.0mm×1.0mm(範囲0.8-1.2mm)
(例4:)
融解圧力(バール): 94-101
ダイプレートオリフィス深さ(mm): 3.7
押出機: Leistritz Micro 18
スクリュ配置: 図1の図表参照
供給速度(kg/時間): 2.6
スクリュ速度(rpm): 140
ダイプレートオリフィス直径(mm): 1.0(8オリフィスプレート)
小球寸法: 1.0mm×1.0mm(範囲0.8-1.2mm)
(例5:)
融解圧力(バール): 79-83
ダイプレートオリフィス深さ(mm): 3.7
調剤物を、例5のバッチに基づいて、可塑剤の調整したレベルを用いて調製した。このバッチの処理を、2.4mmのオリフィス深さを有する押出ダイプレートを用いて遂行した。処理条件、即ち融解圧力及びスクリュトルクにおける更なる改善を、3.7mmから2.4mmまでの押出ダイプレート深さの調整後に得た。用いる温度及びダイプレートの条件を以降に示す。
融解圧力(バール): 70-73
ダイプレートオリフィス深さ(mm): 2.4
更なる調剤物で、減少した含量のステアリルアルコールを有するものを設計して、改善された安定性が、貯蔵され及び貯蔵中の溶解プロファイルにおける変化を最小にするのを確実にした。この手法は、10/20mgの用量生成物の調剤物、例として、120mgのカプセル充填重量における10mgの塩酸オキシコドン及び240mgのカプセル充填重量における20mgの塩酸オキシコドンについて、加速された貯蔵条件下での溶解速度の安定性を改良するために、前もって示した。
押出オキシコドンマルチ粒子及び押出ナルトレキソンマルチ粒子の同時-被包化(Co-encapsulation)は、タンパレジスタントの組合せ生成物のために用いることができる。
1. 10mg及び20mgのオキシコドン用量のそれぞれのための8.3%(w/w)の薬物負荷マルチ粒子の120mg及び240mg
2. 40mgのオキシコドン用量のための25%(w/w)の薬物負荷マルチ粒子の160mg
3. 40mgのオキシコドン用量のための30.3%(w/w)の薬物負荷マルチ粒子の132mg。
1. 5mgのオキシコドン用量のための8.3%(w/w)の薬物負荷マルチ粒子の60mg
2. 80mgのオキシコドン用量のための25%(w/w)の薬物負荷マルチ粒子の320mg
3. 80mgのオキシコドン用量のための30.3%(w/w)の薬物負荷マルチ粒子の264mg。
Claims (20)
- 押出した薬学的組成物を調製する方法であって、可塑化及び潤滑の特性を提供する可塑化賦形剤を選定する工程、及び薬学上活性な薬剤及び可塑化賦形剤を含有する混合物を押出す工程を備え、前記可塑化賦形剤を、混合物にとっての可塑剤として作用するのに、及び混合物にとっての潤滑剤として作用するのに有効な量において採用する方法。
- 混合物が、その混合物を潤滑させるのに作用する更なる賦形剤を実質的に含まない請求項1の方法。
- 薬学上活性な薬剤及び潤滑特性を備える可塑化賦形剤を含有し、更なる潤滑剤を実質的に含まないマルチ粒子。
- 薬学上活性な薬剤、メタクリル酸アンモニウム共重合体、潤滑特性を備える可塑化賦形剤、及び水浸透性調節剤を含有する、請求項3のマルチ粒子。
- 薬学上活性な薬剤、メタクリル酸アンモニウム共重合体、潤滑特性を備える可塑化賦形剤、及び水浸透性調節剤で本質的に構成されるマルチ粒子。
- 薬学上活性な薬剤がオピオイドである、請求項3から5までのいずれか一項のマルチ粒子。
- 薬学上活性な薬剤が、オキシコドンを含まない塩基又はその薬学上許容可能な塩である、請求項6のマルチ粒子。
- メタクリル酸アンモニウム共重合体がオイドラギットRS POである、請求項4から7までのいずれか一項のマルチ粒子。
- 可塑化賦形剤が、セチルアルコール、ステアリルアルコール及びセトステアリルアルコールのような水不溶性固体; ソルビトール及びショ糖及び高分子量ポリエチレングリコールのような水溶性固体; セバシン酸ジブチル及びクエン酸トリブチルのような水不溶性液体及びクエン酸トリエチル、プロピレングリコール及び低分子量ポリエチレングリコールのような水溶性液体から選ばれる、請求項3から8までのいずれか一項のマルチ粒子。
- 水浸透性調節剤が、微結晶性セルロースのような不溶性の親水性ウィッキング剤、水和してゲルを形成し水の移動を制御するゲル化剤、PEG6000のような高分子量ポリエチレングリコール、又は水浸透性メタクリル酸アンモニウム共重合体で、また、オイドラギットRL PO又はオイドラギットRL 100のようなメタクリル酸アンモニオ共重合体と称されるものから選ばれる、請求項4から9までのいずれか一項のマルチ粒子。
- w/w基準での、3から50までの%の薬学上活性な薬剤、25から85までの%の不溶性メタクリル酸アンモニウム共重合体、1から30までの%の非-支配的な可塑剤、及び1から30までの%の水浸透性調節剤を含む、請求項4から10までのいずれか一項のマルチ粒子。
- 単位用量であって、請求項3から12までのいずれか一項のマルチ粒子から形成される単位用量。
- 5から400までのmgの塩酸オキシコドンを含有する、請求項12の単位用量。
- 1日1回投与に適する、請求項12又は13の単位用量。
- 1日2回投与に適する、請求項12又は13の単位用量。
- マルチ粒子の充填を伴うカプセルを備える、請求項12から15までのいずれか一項の単位用量。
- 薬学上活性な薬剤がオキシコドンであり、及び単位用量がオキシコドンアンタゴニストを更に備える、請求項12から16までのいずれか一項の単位用量。
- 薬学上活性な薬剤を含有するマルチ粒子を調製する処理であって、活性な薬剤、メタクリル酸アンモニウム共重合体、可塑剤で、また潤滑剤としても作用するもの、及び水浸透性調節剤の押出可能な配合物の押出を備える処理。
- 受動者に対し鎮痛を提供する方法のための単位用量の調製における鎮痛性の薬学上活性な薬剤の使用であって、方法として請求項12から17までのいずれか一項のマルチ粒子を備える制御した放出調剤物の有効量を管理する工程を備え、薬学上活性な薬剤が鎮痛剤である使用。
- 受動者に対し鎮痛を提供する方法であって、請求項12から17までのいずれか一項のマルチ粒子を備える制御した放出調剤物の有効量を管理する工程を備え、薬学上活性な薬剤が鎮痛剤である方法。
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- 2005-08-31 EP EP10180087A patent/EP2269582A3/en not_active Withdrawn
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- 2005-08-31 KR KR1020077003915A patent/KR101306500B1/ko active IP Right Grant
- 2005-08-31 US US11/661,478 patent/US9259872B2/en not_active Expired - Fee Related
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2007
- 2007-01-24 IL IL180928A patent/IL180928A/en not_active IP Right Cessation
- 2007-02-05 ZA ZA200701056A patent/ZA200701056B/en unknown
- 2007-02-15 NO NO20070871A patent/NO20070871L/no not_active Application Discontinuation
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2013
- 2013-02-28 JP JP2013039559A patent/JP2013129663A/ja active Pending
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2015
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996014058A1 (en) * | 1994-11-04 | 1996-05-17 | Euro-Celtique, S.A. | Melt-extruded orally administrable opioid formulations |
WO2001058447A1 (en) * | 2000-02-08 | 2001-08-16 | Euro-Celtique, S.A. | Controlled-release compositions containing opioid agonist and antagonist |
WO2003013433A2 (en) * | 2001-08-06 | 2003-02-20 | Euro-Celtique S.A. | Sequestered antagonist formulations |
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