JP2008521878A - 非晶質アトルバスタチンの医薬組成物及びその製造のための方法 - Google Patents
非晶質アトルバスタチンの医薬組成物及びその製造のための方法 Download PDFInfo
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- JP2008521878A JP2008521878A JP2007543944A JP2007543944A JP2008521878A JP 2008521878 A JP2008521878 A JP 2008521878A JP 2007543944 A JP2007543944 A JP 2007543944A JP 2007543944 A JP2007543944 A JP 2007543944A JP 2008521878 A JP2008521878 A JP 2008521878A
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- atorvastatin
- pharmaceutical composition
- solid pharmaceutical
- polymer
- melt
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- XUKUURHRXDUEBC-UHFFFAOYSA-N Atorvastatin Natural products C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CCC(O)CC(O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-UHFFFAOYSA-N 0.000 title claims abstract description 81
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Abstract
【解決手段】 結晶アトルバスタチンを、溶融加工可能なポリマー並びに任意成分である安定剤及び任意成分である可塑剤と、ポリマーを軟化又は溶融させて結晶アトルバスタチンをポリマー中に溶融又は溶解するのに十分に高い温度で混合し、これによって非晶質アトルバスタチンの分散物を形成することによって製造される。
【選択図】 なし
Description
アトルバスタチン並びにその医薬的に受容可能な複合体、塩、溶媒和物、及び水和物は、3−ヒドロキシ−3−メチルグルタリル−補酵素A(HMG−CoA)レダクターゼの選択的な競合的阻害剤であり、これは、HMG−CoAのメバロン酸への転換、即ち、コレステロール生合成経路の初期の律速段階を触媒する。参照により本明細書に組み込まれる B.D.Roth への米国特許第5,273,995号を参照されたい。
他に示さない限り、本開示は、以下に与える定義を使用する。
“約”は、数字的変数に関連して使用された場合、一般的に実験誤差内(例えば、平均に対する95%信頼区間内)の又は示された値の±10%内のいずれか大きい方の変数の値及び変数の全ての値を指す。
“薬剤”、“薬剤物質”、“活性な医薬成分”等は、治療を必要とする患者を治療するために使用することができる化合物を指す。
“薬剤産物”、“医薬剤形”、“最終剤形”等は、治療を必要とする患者に投与される一つ又はそれより多い薬剤物質と一つ又はそれより多い賦形剤との組合せ(即ち、医薬組成物)を指し、そして錠剤、カプセル剤、液体懸濁液剤、貼布剤等の形態であることができる。
“非晶質”は、規則的な結晶構造を欠き、従って、拡散した、即ち非示差的(non-distinctive)粉末X線回折(PXRD)図形を与える固体状態の粒子を指す。
“固体分散物”、“非晶質固体分散物”等は、担体又は分散媒体中に分散或いは分布された薬剤物質を指す。一般的に、薬剤物質の少なくとも一部、そして多くの場合大部分が非晶質である。薬剤は、分散物中に(a)分散した薬剤に富んだ領域として存在することができ、又は(b)担体中に均質に分布されることができ(即ち固溶液)或いは(a)及び(b)のある程度の混合物であることができる。医薬的固体分散物の考察については、参照により本明細書に組み込まれる W.L.Chiou & S.Riegelman,J.Pharm.Sci 60(9):1282-1302(1971) を参照されたい。
表1は、本明細書を通して使用される略語を掲載するものである。
更に、本医薬組成物は、アトルバスタチンのプロドラッグを使用することができる。このようなプロドラッグは、アトルバスタチンの適当な官能基を、例えば H.Bundgaar,Design of Prodrugs(1985) 中に記載されているような“プロ部分”として知られる官能基で置換することによって製造することができる。従って、プロドラッグの例は、エステル基がカルボン酸基と置き換わったか、或いはエーテル基が一つ又はそれより多いヒドロキシ基と置き換わった、アトルバスタチンの誘導体を含むものである。
以下の実施例は、例示的であり、そして非制約的であることを意図し、そして本発明の具体的な態様を表す。
Claims (21)
- 非晶質アトルバスタチンと一つ又はそれより多い任意成分である医薬的に受容可能な賦形剤との固体分散物を含んでなる固体医薬組成物であって:
非晶質アトルバスタチン或いはその医薬的に受容可能な複合体、塩、溶媒和物又は水和物;及び
溶融加工可能なポリマー;
を含んでなる固体医薬組成物。 - 請求項1に記載の固体医薬組成物であって、該溶融加工可能なポリマーが、単独又は組合せの、セルロース系ポリマー、ビニルポリマー、ビニルコポリマー、メタクリル酸コポリマー、メタクリル酸アミノアルキルコポリマー、多価アルコールの高分子エーテル、或いは多価アルコールの高分子エステルである固体医薬組成物。
- 請求項1に記載の固体医薬組成物であって、該溶融加工可能なポリマーが、メタクリル酸アミノアルキルコポリマーである固体医薬組成物。
- 請求項1に記載の固体医薬組成物であって、更に可塑剤を含んでなる固体医薬組成物。
- 請求項4に記載の固体医薬組成物であって、該可塑剤が、クエン酸トリエチル或いは約600又はそれより小さい重量平均分子量を有するポリエチレングリコールである固体医薬組成物。
- 請求項1に記載の固体医薬組成物であって、該非晶質アトルバスタチンが、重量基準で該固体分散物の約10%ないし約90%を構成する固体医薬組成物。
- 請求項1に記載の固体医薬組成物であって、該非晶質アトルバスタチンが、重量基準で該固体分散物の約20%ないし約60%を構成する固体医薬組成物。
- 請求項1に記載の固体医薬組成物であって、該非晶質アトルバスタチンが、重量基準で該固体分散物の約30%ないし約50%を構成する固体医薬組成物。
- 請求項1に記載の固体医薬組成物であって、該医薬組成物が、最終剤形である固体医薬組成物。
- 請求項9に記載の固体医薬組成物であって、該最終剤形が、錠剤、カプセル剤又は散剤である固体医薬組成物。
- 非晶質アトルバスタチンと一つ又はそれより多い任意成分である医薬的に受容可能な賦形剤との固体分散物を含んでなる固体医薬組成物であって:
非晶質アトルバスタチン或いはその医薬的に受容可能な複合体、塩、溶媒和物又は水和物;
溶融加工可能なポリマー;及び
該非晶質アトルバスタチンの化学劣化を減少するための安定剤;
を含んでなる固体医薬組成物。 - 請求項11に記載の固体医薬組成物であって、該安定剤が、アルカリ金属又はアルカリ土類金属の医薬的に受容可能な塩である固体医薬組成物。
- 固体医薬組成物を製造する方法であって:
結晶アトルバスタチン或いはその医薬的に受容可能な複合体、塩、溶媒和物又は水和物を、溶融加工可能なポリマーと、該溶融加工可能なポリマーを軟化又は溶融させて該結晶アトルバスタチンを該溶融可能なポリマー中に溶融又は溶解するのに十分に高い温度で混合し、これによって非晶質アトルバスタチンの分散物を形成し;そして
該分散物を冷却させること;
を含んでなる方法。 - 請求項13に記載の方法であって、混合を、該溶融可能なポリマーの存在下で結晶アトルバスタチンを溶融するのに十分に高い温度で行う方法。
- 請求項13に記載の方法であって、混合を、130℃、140℃、150℃、160℃、170℃、又は180℃の温度で又はそれより高い温度で行う方法。
- 請求項13に記載の方法であって、該溶融加工可能なポリマーが、単独又は組合せの、ポリビニルピロリドン、ポリビニルピロリドン/酢酸ビニルコポリマー、メタクリル酸コポリマー、メタクリル酸アミノアルキルコポリマー、多価アルコールの高分子エーテル、或いは多価アルコールの高分子エステルである方法。
- 請求項13に記載の方法であって、更に、アトルバスタチンを可塑剤と混合することを含んでなる方法。
- 請求項13に記載の方法であって、更に、アトルバスタチンを可塑剤と混合することを含んでなり、ここにおいて、該可塑剤が、クエン酸トリエチル或いは約600又はそれより小さいMwを有するポリエチレングリコールである方法。
- 請求項13に記載の方法であって、更に、アトルバスタチンを安定剤と混合することを含んでなり、該安定剤が、アトルバスタチンの化学劣化を減少するために適合される方法。
- 請求項13に記載の方法であって、更に、アトルバスタチンを安定剤と混合することを含んでなり、ここにおいて、該安定剤が、アルカリ金属又はアルカリ土類金属の医薬的に受容可能な塩である方法。
- 請求項13に記載の方法であって、更に、結晶アトルバスタチンと溶融加工可能なポリマーとを二軸スクリュー混合機中で混合することを含んでなる方法。
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EP (1) | EP1819319A1 (ja) |
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JP2010500411A (ja) * | 2006-08-16 | 2010-01-07 | ノバルティス アクチエンゲゼルシャフト | 高結晶性治療化合物の固体分散体を製造するための方法 |
JP2012149066A (ja) * | 2011-01-18 | 2012-08-09 | Pfizer Ltd | 固体分子分散物 |
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JP2015536978A (ja) * | 2012-11-07 | 2015-12-24 | エスケー バイオファーマスティカルズ カンパニー リミテッド | 難溶性薬物の固体分散体およびその製造方法 |
JP2016506948A (ja) * | 2013-02-06 | 2016-03-07 | 大塚製薬株式会社 | 非晶質なシロスタゾールを含有する固体分散体 |
JP2016193915A (ja) * | 2013-02-06 | 2016-11-17 | 大塚製薬株式会社 | 非晶質なシロスタゾールを含有する固体分散体 |
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JP2019521136A (ja) * | 2016-07-14 | 2019-07-25 | オムヤ インターナショナル アーゲー | 剤形 |
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Also Published As
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EP1819319A1 (en) | 2007-08-22 |
US20090088465A1 (en) | 2009-04-02 |
WO2006059224A1 (en) | 2006-06-08 |
CA2589537A1 (en) | 2006-06-08 |
US20110144181A1 (en) | 2011-06-16 |
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