JP2005535686A - 改善された経皮送達系 - Google Patents
改善された経皮送達系 Download PDFInfo
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- JP2005535686A JP2005535686A JP2004525348A JP2004525348A JP2005535686A JP 2005535686 A JP2005535686 A JP 2005535686A JP 2004525348 A JP2004525348 A JP 2004525348A JP 2004525348 A JP2004525348 A JP 2004525348A JP 2005535686 A JP2005535686 A JP 2005535686A
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Abstract
Description
今日まで、アミン官能性薬剤、たとえばロチゴチンおよび他の多くの薬剤の投与のための種々の経皮送達系(TDS)が報告されている。WO94/07568では、ロチゴチン塩酸塩を活性物質として、2相マトリクス中に含有するTDSが開示されており、この場合、これらは本質的に、連続相としての疎水性ポリマー材料およびその中に包含され、主に薬剤およびケイ酸を含有する分散された親水性相から形成されている。シリカは、親水性の塩を含むTDSの可能な最大装填量を増加させるものとされている。さらに、WO94/07568の処方は、通常、付加的な疎水性溶剤、浸透促進剤、分散剤および特には、活性成分の水性溶液を、親油性ポリマー層に乳化させるために必要とされる乳化剤を含有する。このような系によって製造されたTDSは、健常者およびパーキンソン氏病患者において試験されている。しかしながら、十分な薬剤血漿レベルが達成されることはなかった。
(i)皮膚組織からTDSへの、皮膚中でイオン化された薬剤部分の逆拡散をそのpKa値によって回避し、
(ii)角質層を介しての活性化合物の連続的な送達を、通常の親油的経路(たとえば細胞間)ばかりでなく、親水性の孔を介して(たとえばエクリン汗腺)提供することによっって、皮膚へのまたは皮膚を介しての弱塩基性アミンの増大した送達を導く。
発明の概要
これらの課題は、マトリクス成分に対して不活性の支持体層、アミン官能性薬剤を含有する自己粘着性マトリクスおよび使用前に除去されるべき保護泊またはシートを含有するTDSを提供することによって解決され、この場合、これらは、
自己粘着性マトリクスが、固体または半固体の半透過性ポリマーから成るものであって、
(1)その際、アミン官能性薬剤がその遊離塩基の形で混合されており、
(2)アミン官能性薬剤で飽和され(saturated)、かつ前記薬剤をマトリクスの範囲内の多数のミクロ貯留層として含有し、
(3)アミン官能性薬剤の遊離塩基に対して高透過性であり、
(4)アミン官能性薬剤のプロトン化された形に対して不透過性であり、
(5)その際、ミクロ貯留層の最大直径が、マトリクスの厚さを下廻る、
ことを特徴する。
図1は、薬剤吸収における、半透過性マトリクス中での薬剤のプロトン化の効果を示す。
本発明は、TDS/皮膚界面上のアミン官能性薬剤の高い定常状態のフラックスを提供する、アミン官能性薬剤のためのTDSを提供する。
(1)プロトン化された形で存在するアミン官能性薬剤の量を最小限にし(塩の形);
(2)固体または半固体の半透過性ポリマーから成る自己粘着性マトリクスの範囲内で、多数のミクロ貯留層中にアミン官能性薬剤を導入することによって、著しく増加しうることが見出された。
Miyama et al. “Physico-chemical Properities of Oxybutybin” Analyst (1994), 119,1489-1492)による方法にしたがって測定される。
1.アミン官能性薬剤の遊離塩基形に対しての十分な溶解性および透過性
2.アミン官能性薬剤のプロトン化された形に対しての非透過性
本発明の特に好ましい実施態様において、自己粘着性マトリクスは、TDS/皮膚界面上のアミン官能性薬剤の塩を吸収することが可能な粒子を含まない。TDS/皮膚界面上のアミン官能性薬剤の塩を吸収することができる粒子の例は、シリカを含む。アミン官能性薬剤の塩を吸収することができるこのような粒子は、薬剤の遊離塩基の形に関しての拡散障壁を示しうるものであって、薬剤のプロトン化された形に対して自己粘着性のマトリクスの幾らかの透過性を含有するチャネルの形成を生じうる。したがって、このような実施態様は、本発明の実施に関しては不利である。
1.通常の温度の変化の範囲内で、湿分の存在下または発汗下での接着性および補助接着性(co-adhesive)を保持し、
2.アミン官能性薬剤との良好な適合性、ならびに配合物において使用される他の助剤との良好な適合性を有するものである。
ロチゴチン遊離塩基 252.6gを、エタノール587.8g(100%w/w)中に溶解し、かつ25%w/wポリビニルピロリドン(Kollidon F90)、0.11%w/wナトリウムビスルフェート水溶液(10%w/w)、0.25%アスコルビルパルミテートおよび0.62% DL−α−トコフェロールを含有するエタノール性溶液 222.2gと一緒に混合した。均質な混合物に、BIO−PSA Q7 4301(73% w/w) 1692.8g、BIO−PSA Q7 4201(73% w/w) 1691.6gおよび石油エーテル 416.3gを添加し、かつすべての成分を少なくとも1時間に亘って撹拌することで、均一な分散液を得た。
比較例1(高い塩濃度、小さいミクロ貯留層)
ロチゴチン塩酸塩 2400gを、エタノール3488g中のNaOH 272.8gの溶液(96%)に添加した。得られた混合物を約10分に亘って撹拌した。その後に燐酸ナトリウム緩衝溶液 379.2g(水298.5g中Na2HPO4x2H2O 27.6gおよびNaH2PO4x2H2O 53.2g)を添加した。不溶または沈殿した固体を混合物から濾過によって分離した。フィルターをエタノール964g(96%)でリンスし、粒子不含のロチゴチンエタノール溶液を、本質的に遊離塩基の形で得た。
比較例2(高い塩含量、大きいミクロ貯留層)
ロチゴチン塩酸塩150gを、エタノール 218g中のNaOH 17.05g(96%)の溶液に添加した。得られた混合物を約10分に亘って撹拌した。その後に燐酸ナトリウム緩衝液 23.7g(90.3g水中のNa2HPO4x2H2O 8.35gおよびNaH2PO4x2H2O 16.07g)を添加した。不溶または沈殿した固体を混合物から濾過によって分離した。フィルターを60.4gのエタノール(96%)でリンスし、本質的に遊離塩基の形で粒子不含のロチゴチンエタノール性溶液を得た。
比較例3(アクリレート型の配合剤)
メチルエチルケトン 95g中でのロチゴチン塩酸塩 50.0gとナトリウムトリシリケート 28.6gとの混合物を、室温で48時間に亘って撹拌した。その後に17.9gのオレインアルコール、128.6gのアクリル系接着剤溶液(酢酸エチル中51.4%w/w、商標:Durotak(R)387−2287 NATIONAL STARCH & CHEMICAL)、33.0gのEDURAGIT(R)E100(ROEHM PHARMA)(50%w/w、酢酸エチル中の溶液)および酢酸エチル45.0gを添加し、かつこれを機械的にホモジナイズした。
In vivo薬剤吸収試験
アミン官能性薬剤の吸収を、ヒトの皮膚によってモニタリングするために、以下の試験を実施した。試験は、例1ならびに比較例1および2で得られたTDSを用いて実施した。
例1(○)と比較例2(▲)とのTDSの比較は図3に示した。この比較は明らかにヒト皮膚を介してのフラックスが、塩含量の減少およびミクロ貯留層の大きさの減少によって、著しく増加することが示された。
経皮薬剤送達系を用いてのin vitro拡散試験
試験を、一連の支持体の分離膜、皮膚およびTDSのサンドイッチ構造を用いて実施した。皮膚および/または膜を介してTDSから拡散された活性物質は、連続的に、直接膜下面に通過する受容液中に溶解され、受容液は、画分捕集器中の管に捕集され、かつ画分をそのロチゴチン含量に関して分析した。皮膚を介しての活性物質のフラックスを、分離膜の影響について補正することによって算定した。
Claims (14)
- マトリクスの成分に対して不活性な支持体層、アミン官能性薬剤を含有する自己粘着性マトリクスおよび使用前に取り除くべき保護箔または保護シートを有する経皮送達系において、
自己粘着性マトリクスが、固体または半固体の半透過性ポリマーから成るものであって、
(1)その際、アミン官能性薬剤がその遊離塩基の形で混合されており、
(2)アミン官能性薬剤で飽和され、かつ前記薬剤をマトリクスの範囲内の多数のミクロ貯留層として含有し、
(3)アミン官能性薬剤の遊離塩基に対して高透過性であり、
(4)アミン官能性薬剤のプロトン化された形に対して不透過性であり、
(5)その際、ミクロ貯留層の最大直径がマトリクスの厚さを下廻ることを特徴とする、経皮送達系。 - ミクロ貯留層の平均直径が0.5〜20μmの範囲である、請求項1に記載のTDS。
- アミン官能性薬剤が、pH7.4で、オクタノール/水の分配係数logP≧2.8を有する、請求項または2に記載のTDS。
- アミン官能性薬剤が、pKa7.4〜8.4を有する、請求項1から3までのいずれか1項に記載のTDS。
- アミン官能性薬剤がドーパミンD2レセプターアゴニストである、請求項1から4までのいずれか1項に記載のTDS。
- ドーパミンD2レセプターアゴニストが、アミノテトラリン化合物である、請求項5に記載のTDS。
- アミノテトラリン化合物がロチゴチンである、請求項6に記載のTDS。
- アミン官能性薬剤が抗コリン作用薬である、請求項1から4までのいずれか1項に記載のTDS。
- 抗コリン作用薬がオキシブチニンである、請求項8に記載のTDS。
- 粒子不含の自己粘着性マトリクスが、アミン官能性薬剤の塩をTDS/皮膚界面で吸収しうる、請求項1から9までのいずれか1項に記載のTDS。
- ポリマーマトリクスが、シリコーン系感圧接着剤を含有する、請求項1から10までのいずれか1項に記載のTDS。
- ポリマーマトリクスが、2種またはそれ以上のシリコーン系感圧接着剤を主な接着剤成分として含有する、請求項1から11までのいずれか1項に記載のTDS。
- シリコーン系感圧接着剤が、ポリシロキサンおよび樹脂を含有する高いタック特性を有するシリコーン系感圧接着剤と、ポリシロキサンおよび樹脂を含有する中程度のタック特性を有するシリコーン系感圧接着剤とのブレンドである、請求項12に記載のTDS。
- 請求項1から13までのいずれか1項に記載のTDSを適用することによって、アミン官能性薬剤により治療可能な疾病を患う患者を治療するための方法。
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PCT/EP2003/008319 WO2004012719A1 (en) | 2002-07-30 | 2003-07-28 | Improved transdermal delivery system |
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JP2005535687A (ja) * | 2002-07-30 | 2005-11-24 | シュバルツ ファルマ アクチェンゲゼルシャフト | ロチゴチン投与のための改善された経皮送達系 |
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2006
- 2006-03-20 HK HK06103512.7A patent/HK1083458A1/xx not_active IP Right Cessation
- 2006-12-21 CY CY20061101845T patent/CY1105878T1/el unknown
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JP2002509878A (ja) * | 1998-03-30 | 2002-04-02 | エルティエス ローマン テラピー−ズュステーメ アーゲー | パーキンソン症候群の治療のためのd2−アゴニスト含有経皮吸収治療システムおよびその製造方法 |
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Cited By (18)
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JP4837916B2 (ja) * | 2002-07-30 | 2011-12-14 | ウーツェーベー ファルマ ゲーエムベーハー | ロチゴチン投与のための改善された経皮送達系 |
JP2005535687A (ja) * | 2002-07-30 | 2005-11-24 | シュバルツ ファルマ アクチェンゲゼルシャフト | ロチゴチン投与のための改善された経皮送達系 |
JP6054013B2 (ja) * | 2008-02-27 | 2016-12-27 | 久光製薬株式会社 | 貼付製剤 |
WO2009107479A1 (ja) * | 2008-02-27 | 2009-09-03 | 久光製薬株式会社 | 貼付製剤 |
JPWO2009107478A1 (ja) * | 2008-02-27 | 2011-06-30 | 久光製薬株式会社 | 貼付剤及び包装体 |
US8580281B2 (en) | 2008-02-27 | 2013-11-12 | Hisamitsu Pharmaceutical Co., Inc. | Medicated patch |
JP5546013B2 (ja) * | 2008-02-27 | 2014-07-09 | 久光製薬株式会社 | 貼付剤及び包装体 |
US8871249B2 (en) | 2008-02-27 | 2014-10-28 | Hisamitso Pharmaceutical Co., Inc. | Medicated patch |
US9155725B2 (en) | 2008-02-27 | 2015-10-13 | Hisamitsu Pharmaceutical Co., Inc. | Adhesive skin patch and packaged product |
JP2013515041A (ja) * | 2009-12-22 | 2013-05-02 | ウーツェーベー ファルマ ゲーエムベーハー | 非結晶形態のロチゴチンの固体分散体を安定化するためのポリビニルピロリドン |
US11389410B2 (en) | 2012-11-22 | 2022-07-19 | Lts Lohmann Therapie-Systeme Ag | Multi-day patch for the transdermal administration of rotigotine |
US11033723B2 (en) | 2013-07-03 | 2021-06-15 | Lts Lohmann Therapie-Systeme Ag | Transdermal therapeutic system comprising an electronic component |
JP2017515872A (ja) * | 2014-05-20 | 2017-06-15 | エルテーエス ローマン テラピー−ジステーメ アーゲー | 界面介在物を含む経皮送達システム |
JP2020019788A (ja) * | 2014-05-20 | 2020-02-06 | エルテーエス ローマン テラピー−ジステーメ アーゲー | 界面介在物を含む経皮送達システム |
US11426359B2 (en) | 2014-05-20 | 2022-08-30 | Lts Lohmann Therapie-Systeme Ag | Method for adjusting the release of active agent in a transdermal delivery system |
US11633367B2 (en) | 2014-05-20 | 2023-04-25 | Lts Lohmann Therapie-Systeme Ag | Transdermal delivery system containing rotigotine |
US11752110B2 (en) | 2014-05-20 | 2023-09-12 | Lts Lohmann Therapie-Systeme Ag | Transdermal delivery system including an interface mediator |
US12070521B2 (en) | 2014-05-20 | 2024-08-27 | Lts Lohmann Therapie-Systeme Ag | Method for adjusting the release of active agent in a transdermal delivery system |
Also Published As
Publication number | Publication date |
---|---|
IL165917A (en) | 2007-07-24 |
ZA200500255B (en) | 2006-01-25 |
CN1671365A (zh) | 2005-09-21 |
IL165917A0 (en) | 2006-01-15 |
JP4837915B2 (ja) | 2011-12-14 |
MXPA05000349A (es) | 2005-03-31 |
AU2003266252B2 (en) | 2008-11-20 |
KR20050025638A (ko) | 2005-03-14 |
NO334187B1 (no) | 2014-01-13 |
NO20050770L (no) | 2005-02-11 |
NZ537476A (en) | 2007-08-31 |
BR0313092A (pt) | 2005-06-21 |
ES2273042T3 (es) | 2007-05-01 |
EP1524971B1 (en) | 2006-10-25 |
HK1083458A1 (en) | 2006-07-07 |
DK1524971T3 (da) | 2007-02-19 |
SI1524971T1 (sl) | 2007-02-28 |
CN100558350C (zh) | 2009-11-11 |
DE60309329T2 (de) | 2008-04-17 |
PT1524971E (pt) | 2007-01-31 |
CA2490573C (en) | 2011-06-07 |
PL376999A1 (pl) | 2006-01-23 |
DE60309329D1 (de) | 2006-12-07 |
CA2490573A1 (en) | 2004-02-12 |
AU2003266252A1 (en) | 2004-02-23 |
EP1386604A1 (en) | 2004-02-04 |
KR101016914B1 (ko) | 2011-02-22 |
CY1105878T1 (el) | 2011-02-02 |
WO2004012719A1 (en) | 2004-02-12 |
ATE343380T1 (de) | 2006-11-15 |
EP1524971A1 (en) | 2005-04-27 |
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