JP6230538B2 - 安定なオキサリプラチン封入リポソーム水分散液及びその安定化方法 - Google Patents
安定なオキサリプラチン封入リポソーム水分散液及びその安定化方法 Download PDFInfo
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- JP6230538B2 JP6230538B2 JP2014529582A JP2014529582A JP6230538B2 JP 6230538 B2 JP6230538 B2 JP 6230538B2 JP 2014529582 A JP2014529582 A JP 2014529582A JP 2014529582 A JP2014529582 A JP 2014529582A JP 6230538 B2 JP6230538 B2 JP 6230538B2
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- Prior art keywords
- oxaliplatin
- liposome
- encapsulated
- aqueous dispersion
- aqueous
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Description
本出願は、2012年08月10日に出願された、日本国特許出願第2012−178971号明細書(その開示全体が参照により本明細書中に援用される)に基づく優先権を主張する。
本発明は、オキサリプラチン封入リポソームを水分散液の状態で長期保存可能な技術に関する。
上記のリン脂質、コレステロール、高分子誘導体等の脂質成分を有機溶剤に溶解した後、有機溶剤を蒸発除去することにより脂質膜を得る。この際、有機溶剤としては、例えば、ペンタン、ヘキサン、ヘプタン、シクロヘキサン等の炭化水素類;塩化メチレン、クロロホルム等のハロゲン化炭化水素類;ベンゼン、トルエン等の芳香族炭化水素類;メタノール、エタノール等の低級アルコール類;酢酸メチル、酢酸エチル等のエステル類;アセトン等のケトン類等が挙げられ、これらを単独で又は2種以上を組み合わせて使用することができる。
本発明のオキサリプラチン封入リポソーム水分散液は、抗腫瘍剤の抗腫瘍活性を増強する効果を有している。従って、本発明のオキサリプラチン封入リポソーム水分散液は、抗腫瘍剤の抗腫瘍活性を増強するための抗腫瘍効果増強剤として用いることもできる。
(1)MES溶液の調整
2−モルホリノエタンスルホン酸(同仁化学社製、製品コード:349−01623)の3mM水溶液(以下、MES溶液と記載)を調製し、0.1N NaOHを用いてpHを6.0〜6.5に調製した。
60〜70℃に加温した50mLの10%ショ糖溶液中に、攪拌しながら1.12gの混合脂質粉末(HSPC/Chol/mPEG2000−DSPE=2/1/0.1,mol/mol)を加えた。この後、適宜ホモミキサー等を用いてより均一な乳化状態を得た。続いて0.2μmのポリカーボネートフィルターを数回通過させ、平均粒子径100〜200nmのプラセボリポソーム分散液を得た。これをHSPC試料とした。
実施例1の手順に従い、オキサリプラチン試料1mL、HSPC試料1mLに10%ショ糖溶液を加え、それぞれ全量を20mLとした。これを安定化剤未添加のオキサリプラチン、HSPCの安定性評価用サンプルとした。
pH6.0〜6.5の3mMクエン酸緩衝液を調製し、これを実施例1の手順に従ってオキサリプラチン試料1mL、HSPC試料1mLに加え、それぞれ全量を20mLとした。このサンプルをオキサリプラチンもしくはHSPCとクエン酸の配合適性評価用サンプルとした。
pH6.0〜6.5の3mM酒石酸緩衝液を調製し、これを実施例1の手順に従ってオキサリプラチン試料1mL、HSPC試料1mLに加え、それぞれ全量を20mLとした。このサンプルをオキサリプラチンもしくはHSPCと酒石酸の配合適性評価用サンプルとした。
pH6.0〜6.5の3mMヒスチジン水溶液を調製し、これを実施例1の手順に従ってオキサリプラチン試料1mL、HSPC試料1mLに加え、それぞれ全量を20mLとした。このサンプルをオキサリプラチンもしくはHSPCとヒスチジンの配合適性評価用サンプルとした。
pH6.0〜6.5の3mMタウリン水溶液を調製し、これを実施例1の手順に従ってオキサリプラチン試料1mL、HSPC試料1mLに加え、それぞれ全量を20mLとした。このサンプルをオキサリプラチンもしくはHSPCとタウリンの配合適性評価用サンプルとした。
pH6.0〜6.5の3mM Tris水溶液を調製し、これを実施例1の手順に従ってオキサリプラチン試料1mL、HSPC試料1mLに加え、それぞれ全量を20mLとした。このサンプルをオキサリプラチンもしくはHSPCとTrisの配合適性評価用サンプルとした。
pH6.0〜6.5の3mM HEPES水溶液を調製し、これを実施例1の手順に従ってオキサリプラチン試料1mL、HSPC試料1mLに加え、それぞれ全量を20mLとした。このサンプルをオキサリプラチンもしくはHSPCとHEPESの配合適性評価用サンプルとした。
実施例1〜比較例7で調製したサンプルは、バイアル充てんして巻き締めた後、オキサリプラチンサンプルは60℃、HSPCサンプルは40℃にて保管した。サンプル中のオキサリプラチン及びHSPC濃度はHPLCにて測定し、初期値と10日保存値を比較することで配合適性を評価した。オキサリプラチン及びHSPC濃度の初期値に対する10日保存値のパーセンテージを表1に示した。
60〜70℃に加温した100mLの無水エタノール中に、攪拌しながら約60gの混合脂質粉末(HSPC/Chol/mPEG2000−DSPE=2/1/0.1, mol/mol)を加え、脂質溶液とした。この脂質溶液を、同じく60〜70℃に加温した900mLの8mg/mLオキサリプラチン−10%スクロース溶液中に加え、攪拌した。この後、適宜ホモミキサー等を用いてより均一な乳化状態を得た。続いて0.2μmのポリカーボネートフィルターを数回通過させ、平均粒子径100〜200nmのオキサリプラチン封入リポソーム分散液を得た。
MESの高濃度水溶液を調製し、製剤中のMES濃度が3mMとなるように、製造例1で得られたリポソーム試料1中に添加した。次いで、0.1N NaOHを用いてpHを6.0〜6.5に調製し、MES添加オキサリプラチン封入リポソーム水分散液とした。
添加剤を添加しない製剤として、製造例1で得られたリポソーム試料1をそのまま用いた。
Trisの高濃度水溶液を調製し、製剤中濃度が3mMとなるように、リポソーム試料1中に添加した。次いで、硫酸試液(100倍希釈した硫酸)を用いてpHを6.0〜6.5に調製し、Tris添加製剤とした。
ヒスチジンの高濃度水溶液を調製し、製剤中濃度が3mMとなるように、リポソーム試料1中に添加した。次いで、硫酸試液(100倍希釈した硫酸)を用いてpHを6.0〜6.5に調製し、ヒスチジン添加製剤とした。
試験例2 オキサリプラチンリポソーム製剤に対するMESの安定化効果 -1
実施例2及び比較例8〜10で調製したサンプルは、バイアル充てんして巻き締めた後、40℃にて保管した。サンプルの平均粒子径は動的光散乱法、オキサリプラチン及びHSPC濃度はHPLCにて測定し、初期値と1箇月保存値を比較することで安定化効果を評価した。結果を表2に示した。
実施例2及び比較例8で調製したサンプルは、バイアル充てんして巻き締めた後、2〜8℃にて保管した。サンプルの平均粒子径は動的光散乱法、オキサリプラチン及びHSPC濃度はHPLCにて測定し、初期値と六箇月保存値を比較することで安定化効果を評価した。結果を表3に示した。
実施例2及び比較例8で調製したサンプルは、バイアル充てんして巻き締めた後、25℃で4箇月保管した。保管後の実施例2及び比較例8の製剤はオキサリプラチン量として4.2mg/kgとなるように雄性BALB/cマウスに尾静脈内投与し、6、24、72時間後に採血し、血漿を得た。血漿中Pt濃度は原子吸光光度計にて測定した。結果を図1に示す。
60〜70℃に加温した100mLの無水エタノール中に、攪拌しながら約40gのDSPC、約4.8gのCholesterol、約7.5gのmPEG2000−DSPEを加え(DSPC/Chol/mPEG2000−DSPE=2/0.5/0.1,mol/mol)、脂質溶液とした。この脂質溶液を、同じく60〜70℃に加温した900mLの8mg/mLオキサリプラチン−10%スクロース溶液中に加え、攪拌した。この後、適宜ホモミキサー等を用いてより均一な乳化状態を得た。続いて0.2μmのポリカーボネートフィルターを数回通過させ、平均粒子径100〜200nmのオキサリプラチン封入リポソーム分散液を得た。
60〜70℃に加温した100mLの無水エタノール中に、攪拌しながら約37gのDPPC,約10gのCholesterol,約15gのmPEG2000−DSPEを加え(DPPC/Chol/mPEG2000−DSPE=2/1/0.2,mol/mol)、脂質溶液とした。この脂質溶液を、同じく60〜70℃に加温した900mLの8mg/mLオキサリプラチン−10%スクロース溶液中に加え、攪拌した。この後、適宜ホモミキサー等を用いてより均一な乳化状態を得た。続いて0.2μmのポリカーボネートフィルターを数回通過させ、平均粒子径100〜200nmのオキサリプラチン封入リポソーム分散液を得た。
60〜70℃に加温した100mLの無水エタノール中に、攪拌しながら約39gのHEPC,約15gのCholesterol,約0.4gのmPEG2000−DSPEを加え(HEPC/Chol/mPEG2000−DSPE=2/1.5/0.05,mol/mol)、脂質溶液とした。この脂質溶液を、同じく60〜70℃に加温した900mLの8mg/mLオキサリプラチン−10%スクロース溶液中に加え、攪拌した。この後、適宜ホモミキサー等を用いてより均一な乳化状態を得た。続いて0.2μmのポリカーボネートフィルターを数回通過させ、平均粒子径100〜200nmのオキサリプラチン封入リポソーム分散液を得た。
Claims (11)
- オキサリプラチンを封入したリポソームの水分散液であって、2−モルホリノエタンスルホン酸を外水相に含有することを特徴とするオキサリプラチン封入リポソーム水分散液であって、
リポソーム水分散液のpHが6〜8であり、
リポソームが、当該リポソームの構成成分として、水素添加精製大豆ホスファチジルコリン、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及び水素添加精製卵黄ホスファチジルコリンから選ばれる1種またはそれ以上の飽和リン脂質を有する、オキサリプラチン封入リポソーム水分散液。 - リポソーム分散液の内水相には2−モルホリノエタンスルホン酸は実質的に含有しないことを特徴とする請求項1記載のオキサリプラチン封入リポソーム水分散液。
- リポソーム水分散液のpHが6〜7である請求項1又は2記載のオキサリプラチン封入リポソーム水分散液。
- リポソームが、当該リポソームの構成成分として飽和リン脂質を有する請求項1〜3のいずれか1項記載のオキサリプラチン封入リポソーム水分散液。
- 使用される2−モルホリノエタンスルホン酸の量が、リポソームを形成するリン脂質1質量部に対して0.00001〜10質量部である請求項1〜4のいずれか1項記載のオキサリプラチン封入リポソーム水分散液。
- 2−モルホリノエタンスルホン酸又はその塩を有効成分とする、オキサリプラチン封入リポソーム水分散液の安定化剤であって、
リポソーム水分散液のpHが6〜8であり、
リポソームが、当該リポソームの構成成分として、水素添加精製大豆ホスファチジルコリン、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及び水素添加精製卵黄ホスファチジルコリンから選ばれる1種またはそれ以上の飽和リン脂質を有する、安定化剤。 - オキサリプラチン封入リポソーム水分散液に2−モルホリノエタンスルホン酸又はその塩を添加することを特徴とするオキサリプラチン封入リポソーム水分散液の安定化法であって、
リポソーム水分散液のpHが6〜8であり、
リポソームが、当該リポソームの構成成分として、水素添加精製大豆ホスファチジルコリン、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及び水素添加精製卵黄ホスファチジルコリンから選ばれる1種またはそれ以上の飽和リン脂質を有する、方法。 - 請求項1〜5のいずれか1項記載のオキサリプラチン封入リポソーム水分散液からなる医薬品。
- 請求項1〜5のいずれか1項記載のオキサリプラチン封入リポソーム水分散液からなる抗腫瘍剤。
- 抗腫瘍剤を製造するための請求項1〜5のいずれか1項記載のオキサリプラチン封入リポソーム水分散液の使用。
- 癌の治療に使用するための請求項1〜5のいずれか1項記載のオキサリプラチン封入リポソーム水分散液。
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CN (1) | CN104703594B (ja) |
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EP2968144A1 (en) * | 2013-03-13 | 2016-01-20 | Mallinckrodt LLC | Liposome oxaliplatin compositions for cancer therapy |
CA2998968C (en) | 2015-09-18 | 2024-03-19 | Technische Universitat Munchen | Ligands for integrin .alpha.v.beta.6, synthesis and uses thereof |
WO2018043530A1 (ja) | 2016-08-31 | 2018-03-08 | 富士フイルム株式会社 | 抗腫瘍剤、抗腫瘍効果増強剤及び抗腫瘍用キット |
WO2018167295A1 (en) | 2017-03-17 | 2018-09-20 | Technische Universität München | LIGANDS FOR INTEGRIN αvβ8, SYNTHESIS AND USES THEREOF |
CA3089728C (en) | 2018-01-29 | 2023-01-10 | Fujifilm Corporation | Antitumor agent for biliary tract cancer and method for treating biliary tract cancer |
TW202002989A (zh) * | 2018-03-13 | 2020-01-16 | 日商富士軟片股份有限公司 | 抗腫瘤劑、抗腫瘤效果增強劑及抗腫瘤用試劑盒 |
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CA1270198C (en) | 1984-08-08 | 1990-06-12 | Marcel B Bally | ENCAPSULATION OF ANTINEOPLASTIC AGENTS IN LIPOSONES |
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CA2184834A1 (en) * | 1994-03-11 | 1995-09-14 | Yoshiyuki Mori | Liposome preparation |
JP3547755B2 (ja) | 1994-08-08 | 2004-07-28 | デビオファーム・エス・アー | オキサリプラティヌムの医薬的に安定な製剤 |
GB9420390D0 (en) * | 1994-10-10 | 1994-11-23 | Nycomed Salutar Inc | Liposomal agents |
DE19648650C2 (de) | 1996-01-29 | 1998-07-02 | Schering Ag | Puffersysteme und deren Verwendung zur Stabilisierung pharmazeutischer Zubereitung |
AU2230497A (en) | 1996-02-26 | 1997-09-10 | Daiichi Pharmaceutical Co., Ltd. | Liposome and liposome dispersion |
ATE381932T1 (de) | 1996-06-18 | 2008-01-15 | Kyowa Hakko Kogyo Kk | Liposomale zubereitungen von indolocarbazol- derivaten |
JP4368513B2 (ja) | 1999-12-27 | 2009-11-18 | 富士フイルム株式会社 | 画像処理方法および装置並びに記録媒体 |
US20040022842A1 (en) * | 2002-06-03 | 2004-02-05 | Mebiopharm Co., Ltd. | Liposome preparations containing oxaliplatin |
JP3415131B1 (ja) | 2002-06-03 | 2003-06-09 | メビオファーム株式会社 | リポソーム製剤 |
US20040002284A1 (en) * | 2002-06-27 | 2004-01-01 | Leal Jose E. | Illuminated throwing toy |
CN100471493C (zh) * | 2003-12-17 | 2009-03-25 | 梅比欧法姆股份有限公司 | 含有奥沙利铂的脂质体制剂 |
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US10993913B2 (en) | 2021-05-04 |
EP2883542A1 (en) | 2015-06-17 |
EP2883542B1 (en) | 2019-05-01 |
US10383822B2 (en) | 2019-08-20 |
JPWO2014025042A1 (ja) | 2016-07-25 |
HK1210035A1 (en) | 2016-04-15 |
SG11201501010QA (en) | 2015-04-29 |
US20190321294A1 (en) | 2019-10-24 |
EP2883542A4 (en) | 2016-01-06 |
WO2014025042A1 (ja) | 2014-02-13 |
ES2733061T3 (es) | 2019-11-27 |
CN104703594A (zh) | 2015-06-10 |
CN104703594B (zh) | 2018-01-23 |
US20150216801A1 (en) | 2015-08-06 |
SG10201701063WA (en) | 2017-04-27 |
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