JP6109280B2 - 活性物質の利用率及び用量精度の高い経皮治療システム - Google Patents
活性物質の利用率及び用量精度の高い経皮治療システム Download PDFInfo
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- JP6109280B2 JP6109280B2 JP2015229478A JP2015229478A JP6109280B2 JP 6109280 B2 JP6109280 B2 JP 6109280B2 JP 2015229478 A JP2015229478 A JP 2015229478A JP 2015229478 A JP2015229478 A JP 2015229478A JP 6109280 B2 JP6109280 B2 JP 6109280B2
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- transdermal therapeutic
- skin
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Classifications
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
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- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
- A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
- A61K9/7061—Polyacrylates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
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Description
れる。しかしながら、他の活性成分群も、アクリル酸コポリマーのポリマー原理を用いてヒトの皮膚に好適に使用されている。このように、ニコチン(Nicotinel(登録商標)−
TTS)、ブプレノルフィン(Transtec(登録商標)、Gruenenthal)及びエストラジオ
ール(Estraderm MX(登録商標)、Novaltis)を用いた経皮治療システムが成功裡に発売されている。
成分の添加を伴うポリアクリレートマトリックスが記載されている。特許文献2は、ブプレノルフィンの経皮システムを記載しており、そのシステムはアクリレート共重合体を含み、その中に架橋アクリルポリマー粒子を含有している。特許文献3は、活性成分としてフェンタニル又は関連物質による経皮治療システムについて記載しており、そのシステムはポリアクリレートに基づくマトリックス層を含む。活性成分の利用率を増加させるとい
う理由で、この例では、アクリル酸基のない共重合体が選択されているが、それはさもなければファンタニル及び類似の活性成分群のイオン対効果によって促進される溶解度が、カルボキシル基によって大きく増加しすぎるためである。
ング確度が、経済的に実施し得る計量法で確実に達成できる。約50〜100g/m2の
当業界では慣習的な単位面積当りの質量の場合、従って、コーティング確度の変動、またその後のカットアウトTTSの活性成分含量は5から10%の範囲である。この確度は、現在の薬剤承認手続きにおいては確かに十分なものとされている。しかしながら、欧州薬局方モノグラフの2005年改訂では、到達した層重量の中央値が所要値と10%まで異なる場合に、3%未満の標準偏差までの確度が要求される。従って、この要件は、約50g/m2の層厚でコーティングすることを、経済的に不可能とする:例えば、特許文献3
の教えるところによれば、5%の活性成分含量を有する一体構造ポリアクリレートシステムを、もはや経済的に不可能とする。何故なら、記載されたシステムは、用量確度の点で、当局による薬剤承認を受けられそうもないからである。
分の乾燥及び蒸発後に、活性成分含有ポリマー層、後の本発明のTTSの支持層を表す更なるシートで被覆する。基剤の役割を果たすプラスチックシートを除去した後、アクリレート共重合体に基づく活性成分を含まない接着性皮膚接触層、及び剥離可能な保護シートを、皮膚から離れた活性成分含有層及び接着性皮膚接触層が互いに接触するように、得られた積層体上に積層する。直ちに開始する拡散均等化後に、大部分の活性成分は皮膚から離れた層から皮膚接触層へ移動する。
イン)、オキシコドンなどのジヒドロモルフィネ誘導体;レボルファノール、ブプレノル
フィンなどのモルフィネ誘導体;ペチジン、ケトべミドン、ロペラミド、ジフェノキシレートなどのペチジングループの鎮痛薬;メタドン及びレボメタドン、デキストロモラマイト(dextromoramite)、デキストロプロポキシフェンなどの誘導体;フェンタニル及びその誘導体(例えば、アルフェンタニル、スフェンタニル、レミフェンタニル)、ペンタゾシンなどのベンゾモルファン誘導体及びチリジンなどのフェニルアミノシクロへキシニル誘導体;トラマドールが挙げられる。モルフィネ、トラマドール、チリジン、オキシコドン、ヒドロモルフォン、ブプレノルフィン、フェンタニル及びレボメタドンなどの即効性及び短時間作用性のオピオイドが、突発疼痛の治療には特に好ましい。
アクリル酸/2−エチルヘキシルアクリレート/ビニルアセテート共重合体の酢酸エチル中30%(w/w)の溶液を、シリコン処理したポリエチレンテレフタレートシート(100μm厚)上に約65〜70μmの層厚でコーティングし、そして開放下に25℃で2時間乾燥して20g/m2の接着層を得た。別の操作で、フェンタニル塩基(2g)、
ポリイソブチレン100(70g)、ポリイソブチレン10(28g)、メチルエチルケトン(100g)及びn−ヘプタン(200g)を粘性の溶液にし、次いで2時間撹拌した。この相を、15μm厚のポリエチレンテレフタレートシート上に約500μmの層厚でコーティングし、100g/m2の活性成分含有乾燥接着層を得た。この層の接着剤側
に、事前に作製したアクリレート共重合体層を積層(接着層上に接着層)して、連続的な2層マトリックスを製造した。保護シートの剥離により、皮膚上にポリアクリレート面で貼付できる接着システムが作り出される。このシステムは、好適な切断器具により所望のサイズに裁断することができる。
2−エチルヘキシルアクリレート/ビニルアセテート/2−ヒドロキシエチルアクリレート/2,3−エポキシプロピルメタクリレート共重合体の酢酸エチル中30%(w/w
)の溶液を、シリコン処理したポリエチレンテレフタレートシート(100μm厚)上に約65〜70μmの層厚にコーティングし、そして開放下に25℃で2時間乾燥して20g/m2の接着層を得た。別の操作で、フェンタニル塩基(1.5g)、ポリイソブチレ
ン100(70g)、ポリイソブチレン10(28g)、メチルエチルケトン(100g)及びn−ヘプタン(200g)を粘性の溶液にし、次いで2時間撹拌した。この相を、15μm厚のポリエチレンテレフタレートシート上に約500μmの層厚にコーティングし、100g/m2の活性成分含有乾燥接着層を得た。
Claims (10)
- 活性成分に対して不透過性で皮膚の反対側に面する支持層、100〜200g/m2の
コーティング重量を有し、活性成分を含有する皮膚から離れたポリイソブチレンに基づく隣接するポリマー層、20〜30g/m2のコーティング重量を有し、積層及び拡散均等
化の前においては活性成分を含有しない皮膚から離れたポリマー層に隣接するアクリレート共重合体に基づく接着性皮膚接触層、及び皮膚接触層から剥離することができ活性成分に対して不透過性の保護層を含む、室温で不揮発性の少なくとも1つの活性薬剤成分を30mgを超えない一日量で投与するための経皮治療システムであって、該経皮治療システムを製造する際、積層及び拡散均等化の後で皮膚から離れたポリマー層中に存在する活性成分の主要部分が皮膚接触層中へ移動することを特徴とするシステム。 - 皮膚から離れた層のコーティング重量の皮膚接触層のコーティング重量に対する比が少なくとも2:1であることを特徴とする、請求項1に記載の経皮治療システム。
- 比が3:1から5:1であることを特徴とする、請求項2に記載の経皮治療システム。
- 皮膚接触層のポリマー主成分が、アクリル酸、メタクリル酸、アクリル酸エステル、メタクリル酸エステル及びビニル化合物のグループから選択されるモノマーの共重合体から成ることを特徴とする、請求項1に記載の経皮治療システム。
- ビニル化合物が酢酸ビニルであることを特徴とする、請求項4に記載の経皮治療システム。
- 活性成分が、鎮痛薬、気管支拡張薬、抗糖尿病薬、血管拡張薬、抗渇望薬及び抗パーキンソン病薬のグループから選択されることを特徴とする、請求項1〜5のいずれか1項に記載の経皮治療システム。
- 活性成分が鎮痛薬であることを特徴とする、請求項6に記載の経皮治療システム。
- 活性成分の少なくとも1つがオピオイドであることを特徴とする、請求項7に記載の経
皮治療システム。 - オピオイドがフェンタニル及び/又はその誘導体の1つであることを特徴とする、請求項8に記載の経皮治療システム。
- フェンタニル誘導体がアルフェンタニル、スフェンタニル又はレミフェンタニルであることを特徴とする、請求項9に記載の経皮治療システム。
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DE102006054733.0 | 2006-11-21 | ||
DE102006054733A DE102006054733A1 (de) | 2006-11-21 | 2006-11-21 | Transdermales therapeutisches Systems mit hoher Wirkstoffausnutzungsrate und Dosiergenauigkeit |
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---|---|---|---|---|
US8252321B2 (en) | 2004-09-13 | 2012-08-28 | Chrono Therapeutics, Inc. | Biosynchronous transdermal drug delivery for longevity, anti-aging, fatigue management, obesity, weight loss, weight management, delivery of nutraceuticals, and the treatment of hyperglycemia, alzheimer's disease, sleep disorders, parkinson's disease, aids, epilepsy, attention deficit disorder, nicotine addiction, cancer, headache and pain control, asthma, angina, hypertension, depression, cold, flu and the like |
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CN101522146B (zh) | 2013-06-19 |
BRPI0719006B1 (pt) | 2020-12-01 |
US9717698B2 (en) | 2017-08-01 |
ZA200902579B (en) | 2009-12-30 |
KR101471216B1 (ko) | 2014-12-09 |
RU2009123370A (ru) | 2010-12-27 |
MX2009005343A (es) | 2009-06-01 |
IL198714A0 (en) | 2010-02-17 |
RU2454994C2 (ru) | 2012-07-10 |
NZ575043A (en) | 2012-01-12 |
AU2007323401C1 (en) | 2013-07-25 |
US9421174B2 (en) | 2016-08-23 |
AU2007323401A1 (en) | 2008-05-29 |
JP5881935B2 (ja) | 2016-03-09 |
BRPI0719006A2 (pt) | 2013-12-17 |
WO2008061639A1 (de) | 2008-05-29 |
CA2662510C (en) | 2014-07-29 |
BRPI0719006B8 (pt) | 2021-05-25 |
US20160324799A1 (en) | 2016-11-10 |
CN101522146A (zh) | 2009-09-02 |
ES2549692T3 (es) | 2015-10-30 |
EP2094213A1 (de) | 2009-09-02 |
US20110020407A1 (en) | 2011-01-27 |
JP2010510260A (ja) | 2010-04-02 |
CA2662510A1 (en) | 2008-05-29 |
DE102006054733A1 (de) | 2008-05-29 |
EP2094213B1 (de) | 2015-09-02 |
JP2016033148A (ja) | 2016-03-10 |
US9056026B2 (en) | 2015-06-16 |
KR20090082411A (ko) | 2009-07-30 |
US20150238437A1 (en) | 2015-08-27 |
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