JP4084749B2 - 大粒子dcpdを有するリシノプリル組成物 - Google Patents
大粒子dcpdを有するリシノプリル組成物 Download PDFInfo
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- JP4084749B2 JP4084749B2 JP2003530259A JP2003530259A JP4084749B2 JP 4084749 B2 JP4084749 B2 JP 4084749B2 JP 2003530259 A JP2003530259 A JP 2003530259A JP 2003530259 A JP2003530259 A JP 2003530259A JP 4084749 B2 JP4084749 B2 JP 4084749B2
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- Prior art keywords
- lisinopril
- dcpd
- tablet
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- surface area
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Description
一般名リシノプリルを持つ化合物1−(N2−[(S)−1−カルボキシ−3−フェニルプロピル]−L−リシル)−L−プロリン並びに治療的に受容できるその塩は米国特許番号第4,374,829号(Merck&Co.Inc.)に記載され、かかる特許は本明細書に参照として援用される。上記特許において、化合物は実施例119に記載され、N−α−[1(S)−1−カルボキシ−3−フェニルプロピル]−L−リシル−L−プロリンとして表される。この特許の分割出願は、結果として米国特許第4,472,380号となり、本明細書に参照として援用され、リシノプリル医薬組成物を含む医薬組成物の特許を請求する。リシノプリルは広範な臨床経験が得られている薬物である。それは現在AstraZenecaによるZESTRIL(登録商標)またはMerck&Co.によるPRINIVIL(登録商標)という名称で販売される。リシノプリルとヒドロクロロチアジドの組み合わせは、AstraZenecaによるZESTORETIC(登録商標)またはMerck&Co.によるPRINZIDE(登録商標)という名称で販売される。ZESTRIL(登録商標)およびZESTORETIC(登録商標)は、粉砕されたDCPDを使用して湿式造粒製錠法により製造される。
長期貯蔵時には、製剤された製品、とりわけ低用量製剤を含むものの場合、リシノプリルはリシノプリル分解産物または代謝産物であるジケトピペラジン(DKP)を形成する傾向を有し、このことが低用量製剤の貯蔵寿命を限定する。本発明者らは、DKP形成の量および速度と、共に製剤されるリン酸水素カルシウム二水和物賦形剤間の相関を見出している。
本発明は、1−(N2−[(S)−1−カルボキシ−3−フェニルプロピル]−L−リシル)−L−プロリンを含む組成物、および組成物を製造する工程に関する。1−(N2−[(S)−1−カルボキシ−3−フェニルプロピル]−L−リシル)−L−プロリンは一般名リシノプリルとして公知である。新規組成物は、リン酸水素カルシウム二水和物(dibasic calcium phosphate dihydrate: DCPD、CaHPO4.2H2O)と共に製造され、DCPDは窒素吸着(BET法)により測定された、1.5m2g-1未満の低い比表面積を有する。リシノプリル製剤/組成物における大粒子DCPDの使用は、形成されるリシノプリル分解産物であるジケトピペラジン(DKP)の量を減少させる効果を有し、このことが大粒子DCPDと共に製剤された錠剤、とりわけ低用量リシノプリルを含む錠剤の貯蔵寿命を増大させることになる。
驚くべきことに、大粒子サイズのDCPD(非粉砕)と共に製剤されたリシノプリル錠剤、とりわけ低用量リシノプリルでは、リシノプリル分解産物ジケトピペラジン(DKP)を形成する傾向が減少することが見出されている。形成される分解産物DKPの量を減少させるために、現在使用されているDCPDより大きな粒子サイズのDCPDと共に製造されているリシノプリル錠を提供することが本発明の目的である。
本発明の別の側面に従って、2.5mg、5mg、10mg、20mg、30mgおよび40mgから選択される量のリシノプリルを含む錠剤の形状で医薬組成物が提供され、ここでリシノプリルの量は無水リシノプリルの重量として表される(たとえば、30mg Zetril錠はリシノプリル二水和物32.67mgを含む)。
高血圧症
‘Zestril’は本態性高血圧症および腎血管性高血圧症の治療に適応される。それは単独で、あるいは他のクラスの抗高血圧薬と一緒に使用することができる。
欝血性心不全
‘Zestril’は補助的な処置として利尿薬および、適切な場合、ジギタリスと共に欝血性心不全の処置に適応される。高用量は、死亡や入院の複合的な予後のリスクを軽減する。
‘Zestril’は急性心筋梗塞の24時間以内に血液動態学的に安定な患者の治療に適応され、その後の左心室機能不全または心不全の進行を妨げ、生存を高める。患者は血栓溶解薬、アスピリンおよびベータ‐ブロッカーのような標準的な推奨治療を適宜受けるべきである。
微量蛋白尿を特徴とする初期の腎臓病を患う正常血圧インスリン依存的および高血圧非インスリン依存的糖尿病患者において、‘Zestril’は尿のアルブミン排泄速度を低下させる。‘Zestril’は正常血圧インスリン依存的糖尿病患者における腎臓病進行のリスクを軽減する。
また、本発明は心血管関連状態の治療に使用する薬物の製造におけるリシノプリルおよび1.5m2g-1未満の比表面積を有するDCPDの使用、ならびにとりわけ高血圧症または鬱血性心不全を治療する方法を提供し、かかる方法は、リシノプリルおよび1.5m2g-1未満の比表面積を有するDCPDを混合することを含む工程により製造された治療的有効量のリシノプリル組成物を、上記の状態を患う患者に投与することを含む。
本発明の実行において、いずれか一定の症例における、本発明に記載のリシノプリルを含む医薬組成物の最も適切な投与経路および治療量は、治療される疾患の性質および重症度に依存することになる。また投与量および投与頻度は、年齢、体重、および個々の患者の反応に従って変化してよい。
異なるDCPD源を含む2.5mgリシノプリル錠におけるDKP形成量の安定性タイムコースの研究。
50℃で貯蔵された2.5mgリシノプリル二水和物および異なる粒子サイズのDCPDを含むZestril錠の安定性データ(表1)は、粉砕DCPD(小粒子サイズ、高SSA)を含む上記錠剤では分解が速やかに起こることを示した。大きな粒子サイズのDCPDは製剤に安定性を与え、潜在的に長期にわたる安定性、従って長い貯蔵寿命という利点を製品に授けることに気が付くことは興味深い。
DCPDの比表面積はMicromeritics FlowsorbII中での窒素吸着を利用したBET法により測定する。試料は真空下、はじめに50℃で24時間脱ガスする。
熱重量分析(TGA、Mettler TG50)は、窒素パージ(100ml/分)を使用して、試料(10〜30mg)を温度範囲25〜300℃、および10℃/分で加熱して行った。
代表的な錠剤の処方は以下のものから構成される:
薬物(1%〜50%の範囲);
充填剤(賦形剤、希釈剤)(一般にリン酸水素カルシウム二水和物または微結晶セルロースまたはラクトースまたはマンニトールであってよい);
結合剤(一般にポリビニルピロリドン(PVP)またはヒドロキシプロピルメチルセルロース(HMPC)または微結晶セルロースまたはプレゲル化デンプンであってよい);および
滑沢剤(一般にステアリン酸マグネシウムである)、および/または潤滑剤(一般にタルクである)。
Claims (9)
- リシノプリル、および組成物の少なくとも30%(w/w)の量のリン酸水素カルシウム二水和物(DCPD)を含む賦形剤を含む固体医薬組成物であって、前記DCPDが組成物のいずれの製錠の前においても0.9m 2 g −1 未満の比表面積を有する前記固体医薬組成物。
- 湿式造粒製錠工程により製造される錠剤である、請求項1に記載の固体組成物。
- 賦形剤が少なくとも錠剤の50%(w/w)の量のDCPDを含む、請求項2に記載の錠剤。
- 賦形剤がさらに少なくとも錠剤の10%(w/w)の量のマンニトールを含む、請求項3に記載の錠剤。
- 直接打錠法により製造される錠剤である、請求項1に記載の固体医薬組成物。
- 賦形剤が少なくとも錠剤の50%(w/w)の量のDCPDを含む、請求項5に記載の錠剤。
- 賦形剤がさらに少なくとも錠剤の10%(w/w)の量のマンニトールを含む、請求項6に記載の錠剤。
- リシノプリルがリシノプリル二水和物である、請求項1〜7のいずれか1つに記載の錠剤。
- リシノプリルの量が2.5mg、5mg、10mg、20mg、30mgおよび40mgからなる群から選択される、請求項1〜8のいずれか1つに記載の錠剤。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/962,429 US6462022B1 (en) | 2001-09-24 | 2001-09-24 | Lisinopril compositions having large-particle DCPD |
PCT/GB2002/004292 WO2003026622A1 (en) | 2001-09-24 | 2002-09-20 | Lisinopril compositions having large-particle dcpd |
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JP2005504803A JP2005504803A (ja) | 2005-02-17 |
JP4084749B2 true JP4084749B2 (ja) | 2008-04-30 |
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JP2003530259A Expired - Fee Related JP4084749B2 (ja) | 2001-09-24 | 2002-09-20 | 大粒子dcpdを有するリシノプリル組成物 |
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US (1) | US6462022B1 (ja) |
EP (1) | EP1432407B2 (ja) |
JP (1) | JP4084749B2 (ja) |
AT (1) | ATE290370T1 (ja) |
DE (1) | DE60203192T3 (ja) |
DK (1) | DK1432407T3 (ja) |
ES (1) | ES2236561T5 (ja) |
GB (1) | GB2384429B (ja) |
PT (1) | PT1432407E (ja) |
WO (1) | WO2003026622A1 (ja) |
Cited By (1)
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US8252237B2 (en) | 2007-01-12 | 2012-08-28 | Nitto Denko Corporation | Substance detection sensor |
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US20070196477A1 (en) * | 2004-04-30 | 2007-08-23 | Withiam Michael C | Rapidly dissolving tablets comprising low surface area calcium phosphates |
US20180325813A1 (en) | 2015-11-07 | 2018-11-15 | Ftf Pharma Private Limited | Oral solution of ace inhibitors |
GB2595203A (en) | 2020-03-03 | 2021-11-24 | Alkaloid Ad Skopje | Formulation |
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US4517179A (en) * | 1983-04-29 | 1985-05-14 | Pennwalt Corporation | Rapid dissolving, uniform drug compositions and their preparation |
US4675188A (en) * | 1985-08-02 | 1987-06-23 | Stauffer Chemical Company | Granular anhydrous dicalcium phosphate compositions suitable for direct compression tableting |
US4707361A (en) * | 1985-08-02 | 1987-11-17 | Stauffer Chemical Company | Granular anhydrous dicalcium phosphate compositions suitable for direct compression tableting |
HU222489B1 (hu) † | 1990-07-25 | 2003-07-28 | Novartis Ag. | Stabilizált gyógyszerkészítmények és eljárás az előállításukra |
US6210715B1 (en) * | 1997-04-01 | 2001-04-03 | Cap Biotechnology, Inc. | Calcium phosphate microcarriers and microspheres |
US6117451A (en) * | 1998-08-25 | 2000-09-12 | Pharmalogix, Inc. | Direct compression metformin hydrochloride tablets |
-
2001
- 2001-09-24 US US09/962,429 patent/US6462022B1/en not_active Expired - Lifetime
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2002
- 2002-09-20 PT PT02758654T patent/PT1432407E/pt unknown
- 2002-09-20 WO PCT/GB2002/004292 patent/WO2003026622A1/en active IP Right Grant
- 2002-09-20 JP JP2003530259A patent/JP4084749B2/ja not_active Expired - Fee Related
- 2002-09-20 ES ES02758654T patent/ES2236561T5/es not_active Expired - Lifetime
- 2002-09-20 DE DE60203192T patent/DE60203192T3/de not_active Expired - Lifetime
- 2002-09-20 GB GB0311750A patent/GB2384429B/en not_active Expired - Fee Related
- 2002-09-20 EP EP02758654A patent/EP1432407B2/en not_active Expired - Lifetime
- 2002-09-20 AT AT02758654T patent/ATE290370T1/de active
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Publication number | Priority date | Publication date | Assignee | Title |
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US8252237B2 (en) | 2007-01-12 | 2012-08-28 | Nitto Denko Corporation | Substance detection sensor |
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DK1432407T3 (da) | 2005-05-23 |
JP2005504803A (ja) | 2005-02-17 |
DE60203192T3 (de) | 2012-12-27 |
EP1432407A1 (en) | 2004-06-30 |
ATE290370T1 (de) | 2005-03-15 |
US6462022B1 (en) | 2002-10-08 |
WO2003026622A1 (en) | 2003-04-03 |
PT1432407E (pt) | 2005-05-31 |
EP1432407B2 (en) | 2012-08-01 |
DE60203192D1 (de) | 2005-04-14 |
GB0311750D0 (en) | 2003-06-25 |
GB2384429A (en) | 2003-07-30 |
GB2384429B (en) | 2004-04-14 |
ES2236561T5 (es) | 2012-10-30 |
EP1432407B1 (en) | 2005-03-09 |
ES2236561T3 (es) | 2005-07-16 |
DE60203192T2 (de) | 2006-04-13 |
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