JP2012153724A5 - - Google Patents

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JP2012153724A5
JP2012153724A5 JP2012113219A JP2012113219A JP2012153724A5 JP 2012153724 A5 JP2012153724 A5 JP 2012153724A5 JP 2012113219 A JP2012113219 A JP 2012113219A JP 2012113219 A JP2012113219 A JP 2012113219A JP 2012153724 A5 JP2012153724 A5 JP 2012153724A5
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pharmaceutical composition
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水溶性/分散性薬物含有粒子(IRビーズ)上のバリアおよび外側(以下、「遅延時間」と呼ぶ)の両方の膜コーティングは可塑剤を含んでよい。中間膜またはバリア膜は、腸溶性高分子(フタル酸ヒドロキシプロピルメチルセルロース(HPMCP)など)または水不溶性高分子(例えば、エチルセルロース)を単独で、または1種または複数種の水溶性/孔高分子(HPMC、メチルセルロース、ヒドロキシプロピルセルロース(HPC)、ポリエチレングリコール(PEG)またはポリビニルピロリドン(PVP)など)と一緒に含むことができる。バリアコーティングが水不溶性高分子を水溶性/孔高分子と一緒に含む場合、高分子は典型的には約9:1〜5:5(水不溶性高分子対水溶性高分子)の比率で存在する。バリアコーティングは典型的には、約1.5〜15重量%だけ重量増加するように施される。

Claims (36)

  1. 1種または複数種の時限パルス放出ビーズを含む医薬組成物であって、
    少なくとも1種の時限パルス放出ビーズが、
    a)わずかに酸性の活性薬剤成分またはその薬学的に許容される塩を含むコア粒子と、
    b)水不溶性高分子を水溶性孔高分子と組み合わせて含む内側バリアコーティングと、
    c)水不溶性高分子を腸溶性高分子と組み合わせて含む外側遅延コーティングと、
    を含み、
    USP装置1または2、および二段階溶出溶媒(最初に700mLの0.1NのHCl中に2時間、その後に900mL(pH6.8)中)を用いて試験を行ったときに、前記時限パルス放出ビーズが薬物放出開始までに少なくとも6時間の遅延時間をもたらし、
    前記水不溶性高分子が、エチルセルロース、酢酸セルロース、酢酸酪酸セルロース、ポリ酢酸ビニル、メタクリル酸メチルエステルの重合体、アクリル酸エチルとメタクリル酸メチルとの中性共重合体、アクリル酸エステルとメタアクリル酸エステルとの共重合体、およびそれらの混合物からなる群から選択され、
    前記水溶性孔高分子が、ポリビニルピロリドン、メチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、ポリエチレングリコール、およびそれらの混合物からなる群から選択され、
    前記腸溶性高分子が、酢酸フタル酸セルロース、フタル酸ヒドロキシプロピルメチルセルロース、コハク酸ヒドロキシプロピルメチルセルロース、ポリ酢酸ビニルフタレート、pH感受性メタクリル酸−メタクリル酸メチル共重合体、シェラック、およびそれらの混合物からなる群から選択され、
    前記内側バリアコーティングにおける水不溶性高分子と水溶性孔高分子との重量比が9:1〜1:1の範囲に及び、
    前記外側遅延コーティングにおける前記水不溶性高分子と前記腸溶性高分子との重量比が10:1〜1:の範囲に及ぶ、医薬組成物。
  2. 前記わずかに酸性の活性薬剤成分が、鎮痛薬、抗痙攣薬、抗糖尿病剤、抗感染剤、抗悪性腫瘍薬、抗パーキンソン病薬、抗リウマチ剤、心血管薬、中枢神経系刺激薬、ドーパミン受容体作動薬、制吐薬、胃腸薬、精神療法薬、オピオイド作動薬、オピオイド拮抗薬、抗てんかん剤、ヒスタミンH拮抗薬、抗喘息薬、および骨格筋弛緩剤、ならびにそれらの混合からなる群から選択される、請求項1に記載の医薬組成物。
  3. 一日1回または2回の投与計画に適した目標薬物動態プロファイルを与える2種以上の時限パルス放出ビーズ集団を含む、請求項1に記載の医薬組成物。
  4. 請求項1に記載の医薬組成物を含む医薬品。
  5. 前記コア粒子が、
    i)前記わずかに酸性の活性薬剤成分と任意選択の高分子結合剤とで被覆された不活性粒子、あるいは
    ii)前記わずかに酸性の活性薬剤成分を含有するペレット、ミニもしくはミクロ錠剤、微粒剤または顆粒状粒子を含む、請求項1に記載の医薬組成物。
  6. 前記高分子結合剤が、ポリビニルピロリドン、メチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、コーンスターチ、アルファ化でんぷん、およびそれらの混合物からなる群から選択される、請求項5に記載の医薬組成物。
  7. 前記内側バリアコーティングが前記バリア被覆ビーズの1.5〜20重量%を構成する、請求項1に記載の医薬組成物。
  8. 前記内側バリアコーティング及び前記外側遅延コーティングの少なくとも一つが、可塑剤を含む、請求項1に記載の医薬組成物。
  9. 即時放出ビーズをさらに含み、
    各即時放出ビーズが、前記わずかに酸性の活性薬剤成分またはその薬学的に許容される塩を含むコア粒子を含み、
    前記即時放出ビーズが、前記医薬組成物の経口投与後の初めの1時間以内に前記即時放出ビーズに含まれている前記わずかに酸性の活性薬剤成分の90%以上を放出する、請求項1に記載の医薬組成物。
  10. 前記第1の時限パルス放出ビーズ集団を含み、
    (1)第2の時限パルス放出ビーズ集団、または(2)即時放出ビーズ集団、または(3)第2の時限パルス放出ビーズ集団および即時放出ビーズ集団の混合物をさらに含み、
    前記第1及び第2の時限パルス放出ビーズ集団が、異なる放出特性を示す、請求項1に記載の医薬組成物。
  11. 前記外側遅延コーティングが、エチルセルロースをフタル酸ヒドロキシプロピルメチルセルロースと組み合わせて含む、請求項1に記載の医薬組成物。
  12. a)わずかに酸性の活性薬剤成分またはその薬学的に許容される塩を含む即時放出ビーズを製造するステップと、
    b)内側バリアコーティングを前記即時放出ビーズに施すステップであって、前記内側バリアコーティングが水不溶性高分子を水溶性孔高分子と組み合わせて含む、ステップと、
    c)水不溶性高分子を腸溶性高分子と組み合わせて含む外側遅延コーティングを、工程b)の内側バリアコーティングを施したビーズまたはa)工程の即時放出ビーズに施すことによって、時限パルス放出ビーズ集団を形成するステップと、
    d)カプセル剤または錠剤の形態で1種または複数種の時限パルス放出ビーズおよび即時放出ビーズ集団を合わせるステップと
    を含む医薬組成物の製造方法であって、
    前記水不溶性高分子が、エチルセルロース、酢酸セルロース、酢酸酪酸セルロース、ポリ酢酸ビニル、メタクリル酸メチルエステルの重合体、アクリル酸エチルとメタクリル酸メチルとの中性共重合体、アクリル酸エステルとメタアクリル酸エステルとの共重合体、およびそれらの混合物からなる群から選択され、
    前記水溶性孔高分子が、ポリビニルピロリドン、メチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、ポリエチレングリコール、およびそれらの混合物からなる群から選択され、
    前記腸溶性高分子が、酢酸フタル酸セルロース、フタル酸ヒドロキシプロピルメチルセルロース、コハク酸ヒドロキシプロピルメチルセルロース、ポリ酢酸ビニルフタレート、pH感受性メタクリル酸−メタクリル酸メチル共重合体、シェラック、およびそれらの混合物からなる群から選択され、
    前記内側バリアコーティングにおける水不溶性高分子と水溶性孔高分子との重量比が9:1〜1:1の範囲に及び、
    前記外側遅延コーティングにおける前記水不溶性高分子と前記腸溶性高分子との重量比が10:1〜1:3の範囲に及ぶ、製造方法。
  13. e)前記時限パルス放出ビーズを医薬品に組み込むステップをさらに含む、請求項12に記載の方法。
  14. 医薬品の製造のための請求項1に記載の組成物の使用。
  15. 医薬品の製造のための請求項9に記載の組成物の使用。
  16. 即時放出ビーズ集団と、1種または複数種のわずかに酸性の活性薬剤成分を含む1種または複数種の時限パルス放出ビーズ集団と、を含む患者への経口投与用の医薬品の製造のための請求項1に記載の医薬組成物の使用。
  17. 即時放出ビーズ集団と、1種または複数種のわずかに酸性の活性薬剤成分を含む1種または複数種の時限パルス放出ビーズ集団と、を含む患者への経口投与用の医薬品の製造のための請求項9に記載の医薬組成物の使用。
  18. 前記外側遅延コーティングの量が、前記時限パルス放出ビーズの20〜60重量%である、請求項1に記載の医薬組成物。
  19. 1種の即時放出ビーズ集団と、2種の時限パルス放出ビーズ集団とを含み、
    前記即時放出ビーズ集団と前記第1の時限パルス放出ビーズ集団と前記第2の時限パルス放出ビーズ集団との重量比が、10/20/70〜30/60/10の範囲に及ぶ、請求項7に記載の医薬組成物。
  20. カプセル、錠剤、または経口崩壊性錠剤の形態をとる、請求項7に記載の医薬組成物。
  21. 前記外側遅延コーティングが、腸溶性高分子と組み合わせた水不溶性高分子から本質的になる、請求項1に記載の医薬組成物。
  22. 前記外側遅延コーティングが、腸溶性高分子と組み合わせた水不溶性高分子から本質的になる、請求項12に記載の方法。
  23. 前記遅延時間が7時間である、請求項1に記載の医薬組成物。
  24. 前記遅延時間が8時間である、請求項1に記載の医薬組成物。
  25. 前記遅延時間が9時間である、請求項1に記載の医薬組成物。
  26. 前記遅延時間が6〜9時間である、請求項1に記載の医薬組成物。
  27. 請求項9に記載の医薬組成物を含む医薬品。
  28. 2種以上のわずかに酸性の活性薬剤成分を含む、請求項27に記載の医薬品。
  29. 前記第1の時限パルス放出ビーズ集団が6〜9時間の遅延時間を示し、前記第2の時限パルス放出ビーズ集団が3〜5時間の遅延時間を示す、請求項10に記載の医薬組成物。
  30. 2種以上の活性薬剤成分を含む、請求項29に記載の医薬組成物。
  31. 第1の時限パルス放出ビーズ集団および第2の時限パルス放出ビーズ集団を含み、前記第1及び第2の時限パルス放出ビーズ集団が、異なる放出特性を示す、請求項10に記載の医薬組成物。
  32. 2種以上の活性薬剤成分を含む、請求項31に記載の医薬組成物。
  33. 第1の時限パルス放出ビーズ集団および即時放出ビーズ集団を含み、2種以上の活性薬剤成分を含む、請求項10に記載の医薬組成物。
  34. 第1の時限パルス放出ビーズ集団、第2の時限パルス放出ビーズ集団、および即時放出ビーズ集団を含み、前記第1及び第2の時限パルス放出ビーズ集団が異なる放出特性を示す、請求項10に記載の医薬組成物。
  35. 2種以上の活性薬剤成分を含む、請求項34に記載の医薬組成物。
  36. 請求項10に記載の医薬組成物を含む医薬品。
JP2012113219A 2005-05-02 2012-05-17 時限パルス放出システム Pending JP2012153724A (ja)

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US11/120,139 US9161918B2 (en) 2005-05-02 2005-05-02 Timed, pulsatile release systems
US11/120,139 2005-05-02

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AU (1) AU2006242308B2 (ja)
CA (3) CA2963382A1 (ja)
ES (2) ES2568746T3 (ja)
HK (1) HK1108116A1 (ja)
MX (1) MX339564B (ja)
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