JP2008521823A - 被覆薬物送達製剤 - Google Patents
被覆薬物送達製剤 Download PDFInfo
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- JP2008521823A JP2008521823A JP2007543575A JP2007543575A JP2008521823A JP 2008521823 A JP2008521823 A JP 2008521823A JP 2007543575 A JP2007543575 A JP 2007543575A JP 2007543575 A JP2007543575 A JP 2007543575A JP 2008521823 A JP2008521823 A JP 2008521823A
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Abstract
Description
本発明は、一般的に、生物活性剤を含む製剤のための送達システムに関する。1つの実施態様では、低水溶性薬物のための被覆プロリポソーム型製剤に関する。
本願は、2001年8月16日に出願された米国出願第09/931,399号の一部継続出願、現在では、2001年4月25日に出願された米国仮出願第60/286,386号の利益を請求する米国特許第6,759,058号明細書である、2002年4月24に出願された同時係属中の米国出願第10/132,665号の一部継続出願である。これらの全ての教示は、本明細書に参照として引用される。
関連技術の説明
医薬製剤は、様々な投与経路により投与することができる。例えば、薬物は、経口的に、静脈内で、皮下的に及びエアロゾルにより投与することができる。医薬のリポソームへのカプセル化は、特定の薬物の毒性を低減し、そして治療的有効性を改善する点で有用である。例えば、化合物、例えばインシュリン、第VIII因子、トリプトファン、フェニルアラニン、ヘパリン、ビタミンK等は、リポソームへのカプセル化の後に、経口的にその有用性が研究されてきた。それらは、先行技術の改善を示すが、経口リポソーム製剤は、胃液中でのその不安定性、漏出及び潜在的な分解のために悪い評価がなされてきた。
プロリポソームの使用、及び腸溶性及び非-腸溶性コーティングの使用は、それぞれ、当該分野では公知であるが、コーティングとプロリポソーム型製剤との組み合わせは開示されていなかった。驚くべきことに、本発明のいくつかの実施態様のコーティングが、本発明のいくつかの実施態様のプロリポソーム型製剤と組み合わされるときに、薬物送達は増加する。本発明の多くの実施態様では、この新規かつ予測できない増加は、コーティングとプロリポソーム型製剤との唯一の組み合わせから得られるものであり、増加した薬物吸収、安定性及び生物学的利用性に関する。
本発明のいくつかの実施態様は、生物活性(例えば、医薬活性)剤、リン脂質及びコーティング材料を含む、被覆プロリポソーム型製剤に関する。
(a) 低水溶性薬物;
(b) ジステアロイル ホスファチジルコリン (DSPC)、ジパルミトイル ホスファチジルコリン (DPPC) 又はジミリストイル ホスファチジルコリン (DMPC); 及び
(c) 酢酸セルロースフタレート。
本発明の1つの局面によれば、製剤は、限定されないが、経口的、口内、舌下、鼻腔内、局所的、経皮的、眼科的、膣内、直腸的、膀胱腔内、肺、動脈内、静脈内、皮内、筋肉内、皮下的、腹腔内、鞘内及び眼内を含む、様々な経路により投与される。
型製剤は、乾燥粉末吸入器を用いて投与することができる。肺経路によるプロリポソーム型製剤の投与は、肺内の吸収を改善し、その結果、気道内の局所薬物作用、循環中の長期間の薬物保持及び全身性副作用の減少をもたらす。従って、毒性学的観点からは、プロリポソームは、特に肺への薬物送達のための好適なシステムであるように思われる。
ハロファントリン及びジステアロイル ホスファチジルコリン(1:3比)を、クロロホルムに溶解し、窒素ガスを用いて溶媒を蒸発させた。乾燥粉末は、60番メッシュ篩を通過させた。酢酸セルロースフタレート(50 mg)をアセトン(6 ml)に溶解し、ハロファントリン及びジステアロイル ホスファチジルコリンの混合物上にスプレイした。
テストステロン及びリン脂質(DMPC、DPPC又はDSPC;1:1比)をクロロホルムに溶解した。クロロホルムは、窒素ガスを用いて蒸発させた。乾燥粉末は、60番メッシュ篩を用いて通過させた。酢酸セルロースフタレート(40 mg)をアセトン(5 ml)に溶解し、得られた溶液を、テストステロン及びリン脂質を含む固体分散体上にスプレイした。粉末を乾燥させるために窒素ガスを使用した。
ファモチジン及びジステアロイル ホスファチジルコリン(DSPC;1:3比)をクロロホルムに溶解した。クロロホルムは、窒素ガスを用いて蒸発させた。乾燥粉末は、60番メッシュ篩を用いて通過させた。酢酸セルロースフタレート(50 mg)をアセトン(5 ml)に溶解し、得られた溶液を、テストステロン及びリン脂質を含む固体分散体上にスプレイした。粉末を乾燥させるために窒素ガスを使用した。
本発明の1実施態様を、医薬製剤を製造するための対照法と比較した。以下の実施例で使用する対照法は、実施例1で、使用した水のパーセンテージが5%及び0%であったことを除いて、本明細書に参照として引用されている、Ganterの米国特許第5,635,206号明細書に開示されている。例として、低溶解性薬物を使用した:グリブリド及びベンゾカイン。
Claims (33)
- 患者への投与のために好適な製剤の製造法であって、以下のステップ:
少なくとも1つのリン脂質を提供し;
少なくとも1つの界面活性剤を提供し;
少なくとも1つの生物活性剤を提供し;
少なくとも1つの界面活性剤、少なくとも1つの生物活性剤、及び少なくとも1つのリン脂質を、非-水性溶媒に曝露し;
当該非-水性溶媒を除き、それによって粉末を製造し;並びに
当該生物活性剤を水性溶媒に曝露することなく、1以上のコーティングにより当該粉末を被覆し、それによって被覆粒子を製造し、ここで、当該1以上のコーティングは、当該粉末の少なくとも一部分と接触し、それによって、患者への投与のために好適な製剤を製造する、
ことを含む、前記方法。 - 前記被覆粒子を、患者への投与のために好適な投薬形態に製造することを更に含む、請求項1記載の方法。
- 前記1以上の生物活性剤が、溶解するための、約30超重量部の水性溶媒/1重量部の溶質を必要とする、請求項1記載の方法。
- 前記1以上の生物活性剤が、水不溶性である、請求項1記載の方法。
- 前記1以上の生物活性剤が、低水溶性である、請求項1記載の方法。
- 前記非-水性溶媒が蒸発により少なくとも一部分、除かれる、請求項1〜5のいずれか1項記載の方法。
- 前記非-水性溶媒が、蒸発により、実質的に又は完全に除かれる、請求項1〜6のいずれか1項記載の方法。
- 前記1以上の界面活性剤が、ポリソルベート、胆汁酸塩及びアルキルグリコシドからなる群より選ばれる、請求項1〜7のいずれか1項記載の方法。
- 前記界面活性剤、生物活性剤及びリン脂質の一部分が、非-水性溶媒に同時に曝露される、請求項1〜8のいずれか1項記載の方法。
- 前記1以上のコーティングが、酸に不安定なコーティングを含む、請求項1〜9のいずれか1項記載の方法。
- 前記1以上のコーティングが、腸溶性コーティングを含む、請求項1〜10のいずれか1項記載の方法。
- 前記1以上のコーティングが、非-腸溶性コーティングを含む、請求項1〜11のいずれか1項記載の方法。
- 前記1以上のコーティングが、セルロース-系剤、ポピドン及びポリエチレンからなる群より選ばれる材料である、請求項1〜12のいずれか1項記載の方法。
- 前記セルロース-系剤が、メチルセルロース、エチルセルロース、ヒドロキシエチルセルロース、メチル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及びカルボキシメチルセルロースナトリウムからなる群より選ばれ、請求項13記載の方法。
- 前記投薬形態が、懸濁液、錠剤及びカプセル剤からなる群より選ばれる、請求項1〜14のいずれか1項記載の方法。
- 前記1以上のコーティングが、経口的、口内、舌下、鼻腔内、局所的、経皮的、眼科的、膣内、直腸的、膀胱腔内、肺、動脈内、静脈内、皮内、筋肉内、皮下的、腹腔内、鞘内及び眼内からなる群より選ばれる様々な経路による投与に適合している、請求項1〜15のいずれか1項記載の方法。
- 前記生物活性剤が、テストステロンである、請求項1〜16のいずれか1項記載の方法。
- 前記生物活性剤が、ファモチジンである、請求項1〜17のいずれか1項記載の方法。
- 前記生物活性剤が、ハロファントリンである、請求項1〜18のいずれか1項記載の方法。
- 前記生物活性剤が、グリブリドである、請求項1〜19のいずれか1項記載の方法。
- 前記生物活性剤が、時間-放出型剤を含む、請求項1〜20のいずれか1項記載の方法。
- 前記コーティングが、時間依存性方式で生物活性剤の制御された放出を可能にする、請求項1〜21のいずれか1項記載の方法。
- 前記リン脂質が、ホスファチジルリン脂質を含む、請求項1〜22のいずれか1項記載の方法。
- 前記リン脂質が、ジステアロイル ホスファチジルコリン、ジパルミトイル ホスファチジルコリン、ジミリストイル ホスファチジルコリン、卵PC、大豆PC、DMPG、DMPA、DPPG、DPPA、DSPG、DSPA、ホスファチジルセリン及びスフィンゴミエリンからなる群より選ばれる、請求項1〜23のいずれか1項記載の方法。
- 可塑剤の添加を更に含む、請求項1〜24のいずれか1項記載の方法。
- 可塑剤の添加を更に含み、当該可塑剤が、フタル酸エステル、クエン酸エステル及びトリアセチンからなる群より選ばれる、請求項1〜25のいずれか1項記載の方法。
- 1以上のコーティングによる前記粉末のコーティングが、前記粉末をスプレイすることを含む、請求項1〜26のいずれか1項記載の方法。
- 少なくとも1つの追加の成分を前記生物活性剤と組み合わせることを更に含む、請求項1〜27のいずれか1項記載の方法。
- 前記少なくとも1つの追加の成分が、担体、希釈剤及び滑剤からなる群より選ばれる、請求項28記載の方法。
- 前記少なくとも1つの追加の成分が、微結晶性セルロース、デンプン、ラクトース、タルク、マンニトール、ポリエチレングリコール、ポリビニルピロリドン、ヒドロキシプロピルメチルセルロース、エチルセルロース、脂肪酸、脂肪酸塩、グリセリルベヘネート、デキストロース及びリン酸二カルシウムからなる群より選ばれる、請求項28記載の方法。
- 哺乳動物のテストステロンレベルを増加させるための医薬の製造における、請求項1〜30のいずれか1項記載製剤の使用。
- 請求項1〜30のいずれか1項記載の方法によって得られる製剤。
- テストステロンを含む、請求項1〜30のいずれか1項記載の方法によって得られる製剤。
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JP2013540827A (ja) * | 2010-10-29 | 2013-11-07 | ウエスタン ユニバーシティ オブ ヘルス サイエンシズ | 三種混合製剤 |
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JP2018021062A (ja) * | 2012-05-09 | 2018-02-08 | ウエスタン ユニバーシティ オブ ヘルス サイエンシズ | プロリポソーム型テストステロン調合物 |
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US20150140092A1 (en) | 2015-05-21 |
CN101087588A (zh) | 2007-12-12 |
EP1827380A2 (en) | 2007-09-05 |
IL216104A0 (en) | 2012-01-01 |
US8889180B2 (en) | 2014-11-18 |
IL183490A (en) | 2011-12-29 |
US20120027864A1 (en) | 2012-02-02 |
EP1827380A4 (en) | 2010-02-10 |
US20050152965A1 (en) | 2005-07-14 |
WO2006060325A2 (en) | 2006-06-08 |
CA2589736A1 (en) | 2006-06-08 |
JP2012031200A (ja) | 2012-02-16 |
CN102406630A (zh) | 2012-04-11 |
US8658202B2 (en) | 2014-02-25 |
IL183490A0 (en) | 2007-09-20 |
CN101087588B (zh) | 2015-04-22 |
EP1827380B1 (en) | 2014-04-23 |
HK1111105A1 (en) | 2008-08-01 |
AU2005312055A1 (en) | 2006-06-08 |
CA2589736C (en) | 2014-02-18 |
AU2005312055B2 (en) | 2012-02-23 |
WO2006060325A3 (en) | 2006-08-24 |
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