JP6883039B2 - 呼吸域ザフィルルカスト粒子の調製方法 - Google Patents
呼吸域ザフィルルカスト粒子の調製方法 Download PDFInfo
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- JP6883039B2 JP6883039B2 JP2018531556A JP2018531556A JP6883039B2 JP 6883039 B2 JP6883039 B2 JP 6883039B2 JP 2018531556 A JP2018531556 A JP 2018531556A JP 2018531556 A JP2018531556 A JP 2018531556A JP 6883039 B2 JP6883039 B2 JP 6883039B2
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- zafirlukast
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Description
a.非晶質ザフィルルカストの水性懸濁液の調製工程;
b.懸濁したザフィルルカストの結晶性一水和物ナノ粒子への変換を伴う粒径減少工程;
c.結晶性ザフィルルカストの乾燥粉末形態での単離工程;
を含む呼吸域ザフィルルカスト粒子の調製方法が提供される。
以下の実施例は説明のみのものであって、発明の範囲を制限するものではない。
この実施例は、本発明を通じて吸入範囲内の粒径を有するザフィルルカスト結晶性一水和物粒子の形成が成功したことを実証する。また比較例は、水性媒体中における粒径減少工程の間に高エネルギー入力を供給することによってのみ、物理的な形態変換が生じることの例証を示す。
この実施例は、2カプセル型吸入器:Hovioneプロトタイプ吸入器(Hovione prototype inhaler)及びPlastiApe社の販売する吸入器での空力性能評価を支援する、ラクトース三成分混合物(lactose ternary mixture)中での先述の(実施例1)のように調製したザフィルルカスト結晶性一水和物粒子の調剤−図1において説明したような担体ベースのDPI調剤−が成功したことを実証する。
この実施例は、担体による調合/混合工程をさらに必要とせずに、DPI医薬組成物を直接支持することができるザフィルルカスト結晶性一水和物複合粒子−図2に説明したような担体を含まないDPI製剤−の調製が成功したことを実証する。複合粒子の空力性能は、PlastiApe社の1カプセル型吸入器で評価した。
この実施例は、1カプセル型吸入器:Hovioneプロトタイプ吸入器による空力性能評価を支援する、ザフィルルカスト結晶性一水和物複合粒子−図3に示した担体ベース複合粒子DPI調剤−の、ラクトース3成分混合液中での調剤に成功したことを実証する。
Claims (21)
- 吸入による投与に適した呼吸域ザフィルルカスト一水和物粒子の調製方法であって:
a.非晶質ザフィルルカストの水性懸濁液の調製工程;
b.懸濁したザフィルルカストを結晶性一水和物ナノ粒子への変換を伴う粒径減少工程;
c.結晶性ザフィルルカストの乾燥粉末の形態での単離工程;
を含む調製方法であって、
前記工程(c)の後、前記粒子は1μmから5μmの粒径を有し、
前記粒径減少工程は高エネルギー入力技術を含む調製方法。 - 顕微溶液化、高圧均質化、ボールミル又は超音波均質化が前記粒径減少工程における前記高エネルギー入力技術として使用される請求項1に記載の調製方法。
- 前記粉末はスプレードライ、又はスプレーフリーズドライや超臨界流体補助抽出・乾燥法のような乾燥粉末を形成するのに適した同等のプロセスにより単離される請求項1又は2に記載の調製方法。
- 前記工程(c)の後、含まれているザフィルルカストの少なくとも90重量%は、結晶性ザフィルルカスト一水和物の形態である請求項1乃至3の何れか1項に記載の調製方法。
- 前記粒子はザフィルルカストナノ粒子の凝集体を含む請求項1乃至4の何れか1項に記載の調製方法。
- 前記結晶性ザフィルルカストの前記単離工程に先立って、1以上の薬学的に許容される賦形剤が添加される請求項1乃至5の何れか1項に記載の調製方法。
- 前記単離工程はスプレードライを含む請求項6に記載の調製方法。
- 前記1以上の賦形剤は、糖類、アミノ酸、塩、ポリマー又はこれらのいずれか1つ以上の混合物から選択される請求項6又は7に記載の調製方法。
- 前記1以上の賦形剤は、トレハロース、マンニトール、ロイシン又はこれらのいずれか1以上の混合物を含む請求項8に記載の調製方法。
- 前記工程(b)に至るまで及び前記工程(b)を含み、プロセスはいかなる界面活性剤、表面安定剤若しくは表面活性剤の使用も含まない請求項1乃至9の何れか1項に記載の調製方法。
- 結晶性一水和物ザフィルルカストを含み、粒径が1μmから5μmである吸入による投与に適したザフィルルカスト呼吸域粒子。
- 含まれているザフィルルカストの少なくとも90重量%が結晶性ザフィルルカスト一水和物の形態である請求項11に記載のザフィルルカスト呼吸域粒子。
- 前記ザフィルルカスト呼吸域粒子はナノ粒子の凝集体を含む請求項11又は12に記載のザフィルルカスト呼吸域粒子。
- 前記ザフィルルカスト呼吸域粒子は1以上の賦形剤を含む請求項11乃至13のいずれか1項に記載のザフィルルカスト呼吸域粒子。
- 前記1以上の賦形剤は糖類、アミノ酸、塩、ポリマー又はこれらの1以上の混合物から選択される請求項14に記載のザフィルルカスト呼吸域粒子。
- 請求項11乃至15のいずれか1項に記載のザフィルルカスト呼吸域粒子を含む医薬組成物。
- 担体をさらに含む乾燥粉末吸入器用である請求項16に記載の医薬組成物。
- 前記担体は単糖類を含む請求項17に記載の医薬組成物。
- 前記担体はラクトース又はラクトース一水和物を含む請求項18に記載の医薬組成物。
- 医療における使用のための、請求項11乃至15のいずれか1項に記載のザフィルルカスト呼吸域粒子又は請求項16乃至19のいずれか1項に記載の医薬組成物。
- ぜんそく又はCOPDの治療における使用のための、請求項11乃至15のいずれか1項に記載のザフィルルカスト呼吸域粒子又は請求項16乃至19のいずれか1項に記載の医薬組成物。
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PT10903015A PT109030B (pt) | 2015-12-15 | 2015-12-15 | Preparação de partículas inaláveis de zafirlucaste |
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PCT/GB2016/053953 WO2017103600A1 (en) | 2015-12-15 | 2016-12-15 | Preparation of respirable zafirlukast particles |
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JP7090941B2 (ja) * | 2018-10-02 | 2022-06-27 | 学校法人 名城大学 | 吸入粉末剤、その評価方法及びその用途 |
JPWO2021201258A1 (ja) * | 2020-04-01 | 2021-10-07 | ||
CN112300197A (zh) * | 2020-10-30 | 2021-02-02 | 四川制药制剂有限公司 | 一种苯唑西林钠及其注射用苯唑西林钠的制备方法 |
WO2022181750A1 (ja) * | 2021-02-25 | 2022-09-01 | 株式会社 SENTAN Pharma | 吸入製剤及び吸入製剤の製造方法 |
WO2023187393A1 (en) * | 2022-03-31 | 2023-10-05 | Hovione Scientia Limited | Inhalation composite and carrier based formulation combination |
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