JP6564708B2 - 担体粒子に結合した活性物質ナノ粒子を含む乾燥医薬組成物 - Google Patents
担体粒子に結合した活性物質ナノ粒子を含む乾燥医薬組成物 Download PDFInfo
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- JP6564708B2 JP6564708B2 JP2015561494A JP2015561494A JP6564708B2 JP 6564708 B2 JP6564708 B2 JP 6564708B2 JP 2015561494 A JP2015561494 A JP 2015561494A JP 2015561494 A JP2015561494 A JP 2015561494A JP 6564708 B2 JP6564708 B2 JP 6564708B2
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- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000003193 general anesthetic agent Substances 0.000 description 1
- 239000003862 glucocorticoid Substances 0.000 description 1
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- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
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- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
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- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- PTIBVSAWRDGWAE-UHFFFAOYSA-K trisodium;phosphate;heptahydrate Chemical compound O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O PTIBVSAWRDGWAE-UHFFFAOYSA-K 0.000 description 1
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Description
本願は2013年3月4日付けで出願された米国仮出願第61/772,095号(その内容全体が引用することにより本明細書の一部をなす)に対する米国特許法第119条(e)項に基づく優先権を主張するものである。
and "the")は単数のみを指すことが明示的に述べられない限り、単数及び複数の両方を指す。
活性物質の鼻腔内投与又は膣内投与等の経粘膜投与及び他の投与経路に好適な乾燥医薬組成物が本明細書に記載される。乾燥組成物は活性物質ナノ粒子と、結合剤と、担体とから構成され、活性物質ナノ粒子が担体の粒子に結合した噴霧乾燥粒子等の乾燥粒子を含む
。幾つかの実施形態では、活性物質ナノ粒子の少なくとも約50%、例えば少なくとも75%及び少なくとも80%が担体粒子に結合する。
噴霧乾燥粒子の最大10%が10μm未満の粒子サイズを有する;
噴霧乾燥粒子の少なくとも50%が少なくとも約15μmの粒子サイズを有する;及び、
噴霧乾燥粒子の少なくとも90%が最大約55μmの粒子サイズを有する。
本明細書に記載の医薬組成物は、活性物質ナノ粒子を含む噴霧乾燥粒子等の乾燥粒子を含む。活性物質は局所作用若しくは全身作用のための鼻腔内投与に好適な任意の活性物質、又は活性物質と結合剤とを含む粒子を含む乾燥医薬組成物を調製することが望ましい任意の活性物質であり得る。幾つかの実施形態では、活性物質は全身作用のための鼻腔内投与に好適である。他の実施形態では、活性物質は全身作用のための膣内投与に好適である。
興奮剤、鎮静剤、気管支拡張剤、又はアレルギー及び他の病態を含む疾患若しくは病態の治療に有用な任意の他の作用物質である。
(a)活性物質と、粉砕助剤と、水とを含む懸濁液を形成することと、
(b)懸濁液を第1の磨砕媒体で粉砕することと、
(c)懸濁液を第2の磨砕媒体で粉砕することであって、第1の磨砕媒体の直径が第2の磨砕媒体よりも大きいことと、
(d)粉砕された活性物質ナノ粒子を懸濁液から回収することであって、活性物質ナノ粒子の平均粒子径が約1μm未満であることと、
を含むプロセスによって調製することができる。
ルコニウムからなる群から選択される。
本明細書に記載の任意の実施形態によると、担体は噴霧乾燥粒子等の乾燥粒子、例えば経鼻投与又は膣内投与等の経粘膜投与用の乾燥医薬粉末配合物の担体としての使用に好適な任意の担体を含み得る。担体は、本明細書に記載の乾燥(例えば噴霧乾燥)粒子の標的粒子サイズ分布と一致する粒子サイズ分布を有するように選択することができる。例えば担体は、下記でより詳細に論考されるように、乾燥(例えば噴霧乾燥)粒子の標的粒子サイズ分布よりも小さい粒子サイズ分布を有するように選択することができる。
本明細書に記載の任意の実施形態によると、結合剤は例えば経鼻投与のための乾燥医薬粉末配合物用の噴霧乾燥粒子等の乾燥粒子の結合剤としての使用に好適な任意の結合剤を含み得る。幾つかの実施形態では、約1μm未満の平均粒子サイズを達成するように活性物質ナノ粒子を加工する(例えば粉砕する)前に、結合剤と活性物質ナノ粒子とを合わせる。このため、かかる実施形態では、活性物質ナノ粒子は結合剤の存在下で約1μm未満の平均粒子サイズを達成するように加工される。
チルセルロースカルシウム、ヒドロキシプロピルセルロース(HPC、HPC−SL、及びHPC−L)、ヒドロキシプロピルメチルセルロース(HPMC)、ヒプロメロース2910、カルボキシメチルセルロースナトリウム(NaCMC)、メチルセルロース、ヒドロキシエチルセルロース、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フタレート、非結晶セルロース、オレイン酸、グリセリン、白色ワセリン、水素化ロジンのグリセロールエステル、ポリエチレングリコール、プロピレングリコール並びにポリエチレングリコール400が挙げられる。
上述のように、本明細書に記載の乾燥組成物は活性物質ナノ粒子と、結合剤と、薬学的に許容可能な担体とから構成される噴霧乾燥粒子等の乾燥粒子を含み得る。
粒子、例えば9.0%、10.0%、15.0%又は20.0%(wt/wt)の活性物質ナノ粒子を含む。他の具体的な実施形態では、水性噴霧乾燥組成物は約0.3%〜1.0%(wt/wt)の活性物質ナノ粒子、例えば約0.3%、0.4%、0.5%、0.6%、0.7%、0.8%、0.9%及び1.0%(wt/wt)の活性物質ナノ粒子を含む。
体(MCC等)、例えば約25.0%〜50.0%(wt/wt)の担体、又は約30.0%〜46.0%(wt/wt)の担体、例えば約31%、36%、又は45.5%(wt/wt)の担体を含む。更なる例示的な実施形態では、噴霧乾燥粒子は約30%、31%、34%、35%又は36%(wt/wt)の担体を含む。これらの実施形態は、プロゲステロンを活性物質として用いて下記に説明される。
活性物質として用いて下記に説明される。
噴霧乾燥粒子の最大10%が10μm未満の粒子サイズを有する;
噴霧乾燥粒子の少なくとも50%が少なくとも約15μmの粒子サイズを有する;及び、
噴霧乾燥粒子の少なくとも90%が最大約55μmの粒子サイズを有する。
上記の論考は噴霧乾燥粒子に着目しているが、上述のように本明細書に記載の乾燥組成物は、噴霧乾燥以外の方法によって調製された乾燥粒子を含み得る。例えば、担体に結合した活性物質を含む乾燥粒子は、湿式造粒、乾式造粒及び流動床加工等の粒子を互いに物理的に結合する当該技術分野で既知の任意の方法によって調製することができる。
本明細書に記載の組成物は、任意に1つ又は複数の薬学的に許容可能な賦形剤を含み得る。好適な賦形剤は、The American Pharmaceutical Association及びThe Royal Pharmaceutical Society of Great Britain発行のHandbook of Pharmaceutical Excipients, Pharmaceutical Press, 2012に記載されている。
m3、比表面積が1.3m2/g以下、安息角が50度以下、平均粒径が150μm以下、例えば約30μm〜約150μm、例えば約30μm〜約100μm、例えば約40μm〜約75μmの第2の結晶セルロース、及び第三リン酸カルシウム、又はかかる成分のいずれか1つ又は複数を含み得る。特に、粒子径のより大きな微結晶性セルロースは組成物の流動性を改善すると考えられている。具体的な実施形態では、組成物は医薬組成物の総重量をベースとして約5.0%〜30.0%(wt/wt)の粒子径のより大きな微結晶性セルロース又はデンプン(又はそれらの混合物)、例えば約10%(wt/wt)の粒子径のより大きな微結晶性セルロース又はデンプン(又はそれらの混合物)、及び約0.1%〜10%(wt/wt)の第三リン酸カルシウム、例えば約1%(wt/wt)の第三リン酸カルシウムを含む。代替的には、本明細書に記載の噴霧乾燥粒子等の乾燥粒子に第1の微結晶性セルロース、第2の微結晶性セルロース及び第三リン酸カルシウムを含む流動性改善組成物を配合し、第三リン酸カルシウムの量は流動性改善組成物の約0.1%〜10%(wt/wt)を占め、第2の微結晶性セルロースは流動性改善組成物の約5%〜約30%(wt/wt)を占める。幾つかの実施形態では、第1の微結晶性セルロースは乾燥(例えば噴霧乾燥)粒子の成分として含まれるか又は任意に存在せず、例えば組成物は乾燥(例えば噴霧乾燥)粒子、平均粒子径が約30μm〜約150μmの微結晶性セルロース、及び第三リン酸カルシウムを含む。
本明細書に記載の乾燥医薬組成物は当該技術分野で既知の方法、アプリケーター及び/又はデバイスを用いて膣内投与することができる。
本明細書に記載の乾燥医薬組成物は当該技術分野で既知の方法、アプリケーター及び/又はデバイスを用いて鼻腔内投与することができる。
) Dry Powder Inhaler(DPI)、MicroDose(商標) Dry Powder Nebulizer(DPN)及び「電動」噴霧鼻用アプリケーター、並びにMIAT S.p.A.(Milan,Italy)から入手可能な単一用量吹入器で使用するために配合される。
eds., pp. 197-224 (Butterworth's, London, England, 1984)に記載されている。PMDIでは作動毎に定量が放出される。
本明細書に記載の組成物は他の経路によっても投与することができる。例えば幾つかの実施形態では、本明細書に記載の乾燥医薬組成物は経口投与、口腔投与又は眼内投与に使用することができる。付加的又は代替的には、乾燥組成物は静脈内投与、皮下投与又は筋肉内投与等の注射又は点滴による投与のために調製することができる。
本明細書に記載の乾燥医薬組成物は、活性物質の経粘膜投与によって治療される任意の病態を治療する、例えば局所、局部又は全身作用のための経粘膜投与に好適である。さらに、上述のように本明細書に記載の乾燥医薬組成物は、活性物質によって治療される任意の病態を治療する局所、局部又は全身作用のための他の経路による投与に好適である。
況(例えば自宅)の患者への投与に好適である。例えば、本明細書に記載の乾燥医薬組成物は、患者が入院する前、患者が退院した後、又は外来治療前、外来治療中若しくは外来治療後に診療所内、任意の臨床状況又は医療専門家のいない状況で患者に鼻腔内又は膣内投与することができる。幾つかの実施形態では、本明細書に記載の乾燥医薬組成物は患者をプロゲステロンの静脈内配合物、筋肉内配合物又は他の配合物を用いて病院内で治療した後、患者に対する追跡治療として鼻腔内又は膣内投与することができる。幾つかの実施形態では、患者は中枢神経系(CNS)損傷を患うが、入院を必要としない若しくは退院した、又は治療を受け、外来状況若しくは他の臨床状況から解放された外来患者である。
下記表1に示されるように、プロゲステロンナノ粒子(平均粒子径<1μm)を媒体粉砕によって形成する能力を評価するために幾つかの実験系を開発した。粒子サイズ測定ではレーザー回折試験(HoribaのLA−950 V2)によって特性化した。
在下で10%プロゲステロン懸濁液から調製した。ヒドロキシプロピルメチルセルロース(HPMC)及びカルボキシメチルセルロースナトリウム(NaCMC)等の結合剤を含む及び含まない懸濁液を評価した。1%NaCMC又はHPMCの存在により所望よりも大きい粒子サイズが得られた。懸濁液1、2、4、5、7及び8を参照されたい。結合剤を含まない懸濁液はナノ粒子又はほぼナノサイズの粒子を生じた。懸濁液3、6、9、10及び11を参照されたい。
上述のように、懸濁液10について上記したように調製したナノ粒子を噴霧乾燥に使用した(これらのナノ粒子の粒子サイズ分布を図1に示す)。ナノ粒子を抽出し、噴霧乾燥の前後の基準成分を示す下記表2に示す割合で噴霧乾燥のために微結晶性セルロース(例えばCeolusのPH−F20)、HPMC及び水と合わせた。噴霧乾燥粒子の2つのバッチA及びBを、表3に示す条件に従って調製した。
プロゲステロンを磨砕する方法としてジェット粉砕についても調査した。
in vitro溶出アッセイ(USP II、装置2(パドル))を用いて、模擬生理条件下でプロゲステロンが試験組成物から溶出する/放出される速度を決定した。溶出アッセイパラメーターを表6に挙げる。
本明細書に記載の噴霧乾燥組成物及び上記の1:1混合物を使用して、カニクイザルにおけるin vivo研究を行い、プロゲステロンの静脈内投与と鼻腔内投与との後のプロゲステロン血漿濃度を評価及び比較した。
カニクイザルにおける同様のin vivo研究を行い、表8のサンプル5及び7の噴霧乾燥配合物を用いたプロゲステロンの鼻腔内投与後のプロゲステロン血漿濃度を比較した。結果からバイオアベイラビリティの評価が可能であった。
担体に結合したフランカルボン酸モメタゾンを含む乾燥粒子を、HPMCを結合剤として用いてナノ粉砕フランカルボン酸モメタゾンを微結晶性セルロース(MCC)上に噴霧乾燥することによって作製する。噴霧乾燥用の水性組成物(例えば噴霧乾燥原料)の組成及び噴霧乾燥条件を変更して、MCC担体へのナノ粒子付着の有効性を評価する。ナノ粉砕懸濁液の組成物及び噴霧乾燥原料を下記表に記載する。
,Bohemia, NY);レーザーPSD分析器(Horiba,Kyoto, Japan);Buchi B−290スプレー乾燥器(Buchi,Flawil, Switzerland)。
Claims (21)
- 医薬活性物質ナノ粒子と、結合剤と、薬学的に許容可能な担体とを含む乾燥粒子を含む乾燥医薬組成物であって、
前記担体は、pH7.4及び温度36℃で水を吸収するが、これらの条件下で明らかに水溶性ではない材料からなる粒子であり、
前記医薬活性物質ナノ粒子は、0.01μmから1μmの間の平均粒子径を有し、
前記医薬活性物質ナノ粒子が前記担体の粒子に結合しており、
前記乾燥粒子の最大10%が10μm未満の粒子サイズを有し、該乾燥粒子の少なくとも50%が少なくとも15μmの粒子サイズを有し、該乾燥粒子の少なくとも90%が最大55μmの粒子サイズを有する、乾燥医薬組成物。 - 前記活性物質がプロゲステロン、アロプレグナノロン、プレグナンジオール、プレグナノロン、プレグナンジオン、20−α−ジヒドロプロゲステロン、17−OH−プロゲステロン、5−α−ジヒドロプロゲステロン、6−デヒドロ−レトロプロゲステロン(ジドロゲステロン)、ヒドロキシプロゲステロンカプロエート、レボノルゲストレル、ノルエチンドロン、ノルエチンドロンアセテート、ノルエチノドレル、ノルゲストレル、メドロキシプロゲステロン、クロルマジノン、メゲストロール、プロゲステロン構造に導入された6−α−メチル、6−メチル、6−エン、若しくは6−クロロ置換基部分を有するプロゲステロン誘導体、19−ノルプロゲステロン、又はプロゲステロンの17−α−OHエステルである、請求項1に記載の医薬組成物。
- 前記活性物質がモメタゾン又はフランカルボン酸モメタゾンである、請求項1に記載の医薬組成物。
- 前記担体が微結晶性セルロース、結晶セルロース、セルロース、α−セルロース、架橋カルボキシメチルセルロースナトリウム、架橋ポリビニルピロリドン、架橋カルボキシビニルポリマー又はその塩、架橋ポリビニルアルコール、架橋ポリヒドロキシエチルメタクリレート、ヒドロキシプロピルデンプン、カルボキシメチルデンプン、架橋デンプン、アミラーゼ、アミロペクチン、ペクチン、ゼラチン、カゼイン、アラビアゴム、トラガカン
トゴム及びグルコマンナン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。 - 前記結合剤がヒドロキシプロピルメチルセルロース(HPMC)、カルボキシメチルセルロースナトリウム(NaCMC)、そのポリアクリレート及び塩、カルボキシメチルセルロースカルシウム、ヒドロキシプロピルセルロース(HPC、HPC−SL及びHPC−L)、ヒドロキシプロピルメチルセルロース(HPMC)、ヒプロメロース2910、カルボキシメチルセルロースナトリウム(NaCMC)、メチルセルロース、ヒドロキシエチルセルロース、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フタレート等のセルロースの低級アルキルエーテル、非結晶セルロース、オレイン酸、グリセリン、白色ワセリン、水素化ロジンのグリセロールエステル、ポリエチレングリコール、プロピレングリコール及びポリエチレングリコール400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。
- 任意にポリソルベート20、ポリソルベート80及び塩化ベンザルコニウムからなる群から選択される粉砕助剤を更に含む、請求項1に記載の医薬組成物。
- 前記活性物質が前記粒子の10wt%〜75wt%、40wt%〜75wt%、25wt%〜50wt%、又は1.0wt%〜25.0wt%、又は5wt%〜10wt%を占める、請求項1に記載の医薬組成物。
- 前記結合剤が前記乾燥粒子の1wt%〜15wt%又は10.0wt%〜50.0wt%を占める、請求項1に記載の医薬組成物。
- 前記粉砕助剤が前記乾燥粒子の0.1wt%〜5wt%を占める、請求項6に記載の医薬組成物。
- 前記医薬活性物質ナノ粒子が前記活性物質と、任意に粉砕助剤とからなる、請求項1に記載の医薬組成物。
- 前記乾燥粒子が、
40wt%〜75wt%のプロゲステロンと、
25wt%〜50wt%のMCCと、
1wt%〜15wt%のHPMCと、
0.1wt%〜5.0wt%のポリソルベート20と、
を含む、請求項1に記載の医薬組成物。 - 前記乾燥粒子が、
5wt%〜10wt%のフランカルボン酸モメタゾンと、
60wt%〜80wt%のMCCと、
20wt%〜50wt%のHPMCと、
0.05wt%〜0.1wt%の塩化ベンザルコニウムと、
を含む、請求項1に記載の医薬組成物。 - 1つ又は複数の薬学的に許容可能な賦形剤を更に含む、請求項1に記載の医薬組成物。
- 5.0%〜30.0%(wt/wt)の平均粒子径が30μm〜150μmの微結晶性セルロース、デンプン又はそれらの混合物と、0.1%〜10%(wt/wt)の第三リン酸カルシウムとを更に含む、請求項1に記載の医薬組成物。
- 溶出試験で試験した場合に前記活性物質の90%超が60分以内に前記医薬組成物から放出される、請求項1に記載の医薬組成物。
- 医薬活性物質ナノ粒子と、結合剤と、薬学的に許容可能な担体とを含む乾燥粒子を含む乾燥医薬組成物を作製する方法であって、
該担体の粒子に結合している医薬活性物質ナノ粒子を含む粒子を形成すること、及び、
前記医薬活性物質ナノ粒子と、結合剤と、薬学的に許容可能な担体とを含む水性組成物を噴霧乾燥し、前記乾燥粒子を得ることを含み、
前記担体は、pH7.4及び温度36℃で水を吸収するが、これらの条件下で明らかに水溶性ではない材料からなる粒子であり、
該活性物質ナノ粒子の噴霧乾燥前の平均粒子径が1μm未満であり、
前記乾燥粒子の最大10%が10μm未満の粒子サイズを有し、該乾燥粒子の少なくとも50%が少なくとも15μmの粒子サイズを有し、該乾燥粒子の少なくとも90%が最大55μmの粒子サイズを有する。 - 前記活性物質がプロゲステロン、アロプレグナノロン、プレグナンジオール、プレグナノロン、プレグナンジオン、20−α−ジヒドロプロゲステロン、17−OH−プロゲステロン、5−α−ジヒドロプロゲステロン、6−デヒドロ−レトロプロゲステロン(ジドロゲステロン)、ヒドロキシプロゲステロンカプロエート、レボノルゲストレル、ノルエチンドロン、ノルエチンドロンアセテート、ノルエチノドレル、ノルゲストレル、メドロキシプロゲステロン、クロルマジノン、メゲストロール、プロゲステロン構造に導入された6−α−メチル、6−メチル、6−エン、若しくは6−クロロ置換基部分を有するプロゲステロン誘導体、19−ノルプロゲステロン、又はプロゲステロンの17−α−OHエステル、又はモメタゾン若しくはフランカルボン酸モメタゾンであり、前記担体が微結晶性セルロース(MCC)を含み、前記結合剤がヒドロキシプロピルメチルセルロース(HPMC)及びカルボキシメチルセルロースナトリウム(NaCMC)からなる群から選択される、請求項16に記載の方法。
- 活性物質を、それを必要とする被験体に投与する方法に使用される、請求項1〜15のいずれか一項に記載の乾燥医薬組成物。
- 活性物質を、それを必要とする被験体に経粘膜投与する方法に使用される、請求項1〜15のいずれか一項に記載の乾燥医薬組成物。
- 活性物質を、それを必要とする被験体に投与する方法に使用される薬剤の調製における請求項1〜15のいずれか一項に記載の乾燥医薬組成物の使用。
- 活性物質を、それを必要とする被験体に経粘膜投与する方法に使用される薬剤の調製における請求項1〜15のいずれか一項に記載の乾燥医薬組成物の使用。
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AU2017307306B2 (en) | 2016-08-05 | 2022-06-30 | Shin Nippon Biomedical Laboratories, Ltd. | Intranasal pharmaceutical powder compositions |
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JP7453770B2 (ja) | 2019-10-25 | 2024-03-21 | 松本油脂製薬株式会社 | 複合粒子及びその製造方法 |
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