JP2000513333A - ポリマーを基剤とした制御された放出デバイスの製造方法 - Google Patents
ポリマーを基剤とした制御された放出デバイスの製造方法Info
- Publication number
- JP2000513333A JP2000513333A JP09540906A JP54090697A JP2000513333A JP 2000513333 A JP2000513333 A JP 2000513333A JP 09540906 A JP09540906 A JP 09540906A JP 54090697 A JP54090697 A JP 54090697A JP 2000513333 A JP2000513333 A JP 2000513333A
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Classifications
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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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
- A61K9/0024—Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
- A61K38/1816—Erythropoietin [EPO]
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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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1682—Processes
- A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Dermatology (AREA)
- Zoology (AREA)
- Gastroenterology & Hepatology (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polymerisation Methods In General (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.薬剤が不安定な薬剤であり、 (a)有機溶媒中に溶解されたポリマー及び懸濁された薬剤を含むポリマー溶液 /薬剤混合物を形成させ; (b)該ポリマー溶液/薬剤混合物から溶媒を除去し、それによりポリマー/薬 剤マトリックスを形成させ;そして (c)該ポリマー/薬剤マトリックスのガラス転移温度よりも低い温度でポリマ ー/薬剤マトリックスを破砕し、それによりポリマー/薬剤マトリックス微粒子 を形成させる 工程を含むポリマー/薬剤マトリックス微粒子の形成方法。 2.不安定な薬剤が治療用、診断用又は予防用の剤である請求項1記載の方法。 3.不安定な薬剤が免疫グロブリン蛋白質、抗体、サイトカイン、インターロイ キン、インターフェロン、エリトロポエチン、ヌクレアーゼ、腫瘍壊死因子、コ ロニー刺激因子、インシュリン、酵素、腫瘍抑制剤、ホルモン、抗原、成長因子 、ペプチド、ポリペプチド又はポリヌクレオチドである請求項2記載の方法。 4.不安定な薬剤が蛋白質である請求項2記載の方法。 5.ポリマー/薬剤マトリックスを磨砕、粉砕又は微粉化することにより、ポリ マー/薬剤マトリックスを破砕する請求項1記載の方法。 6.非溶媒と接触させながらポリマー/薬剤マトリックスを破砕する請求項5記 載の方法。 7.ポリマー/薬剤マトリックスを分析用ミル中で粉砕することにより、ポリマ ー/薬剤マトリックスを破砕する請求項5記載の方法。 8.ポリマー/薬剤マトリックスを乳鉢を用いて微粉化することにより、ポリマ ー/薬剤マトリックスを破砕する請求項5記載の方法。 9.ポリマー溶液/薬剤混合物の凝固点よりも低い温度でポリマー溶液/薬剤混 合物から溶媒を除去する請求項1記載の方法。 10.有機溶媒がジクロロメタン、アセトン、酢酸エチル、テトラヒドロフラン 又は酢酸メチルである請求項1記載の方法。 11.ポリマーが生物腐食性(bioerodable)ポリマーである請求項1記載の方 法。 12.生物腐食性ポリマーがポリ(乳酸)、ポリ(乳酸−コ−グリコール酸)コ ポリマー、ポリ(カプロラクトン)、ポリカーボネート、ポリアミド、ポリ酸無 水物、ポリ(アミノ酸)、ポリ(オルトエステル)、ポリアセタール、ポリシア ノアクリレート及びポリウレタンからなる群より選ばれたものである請求項11 記載の方法。 13.ポリマーがコポリマー又はポリマーブレンドである請求項11記載の方法 。 14.薬剤が粉末として懸濁されている請求項1記載の方法。 15.ポリマー溶液/薬剤混合物がさらに1以上の賦形剤を含む請求項1記載の 方法。 16.賦形剤が界面活性剤、酸類、塩基類、糖類及び安定剤からなる群より選ば れたものである請求項15記載の方法。 17.ポリマー溶液/薬剤混合物がさらに1以上の付加的な薬剤物質を含む請求 項1記載の方法。 18.ポリマー溶液/薬剤混合物がさらに放出改質剤を含む請求項1記載の方法 。 19.放出改質剤が金属含有塩である請求項18記載の方法。 20.(i)ポリマー溶液/薬剤混合物を凍結し、それにより固体のポリマー溶 液/薬剤混合物を形成させ;そして (ii)該固体のポリマー溶液/薬剤混合物から溶媒を抽出する 工程を含む方法により、ポリマー溶液/薬剤混合物から溶媒を除去する請求項1 記載の方法。 21.固体のポリマー溶液/薬剤混合物を非溶媒と接触させ、これにより溶媒を 非溶媒中に抽出することにより、ポリマー溶液/薬剤混合物から溶媒を抽出する 請求項20記載の方法。 22.固体のポリマー溶液/薬剤混合物を凍結乾燥することにより、固体のポリ マー溶液/薬剤混合物から溶媒を抽出する請求項20記載の方法。 23.ポリマー溶液/薬剤混合物を、該ポリマー溶液/薬剤混合物の凝固点より も低い温度の液体非溶媒中に導くことにより、ポリマー溶液/薬剤マトリックス を凍結する請求項20記載の方法。 24.液体非溶媒中に、ポリマー溶液/薬剤混合物を注入すること、噴霧するこ と、スプレーすること、押出すこと又は滴下することにより、ポリマー溶液/薬 剤混合物を液体非溶媒に導く請求項23記載の方法。 25.ポリマー溶液/薬剤混合物を、液化ガスの存在下で凍結された非溶媒床上 に導くことにより、ポリマー/薬剤マトリックスを凍結させる請求項20記載の 方法。 26.ガスが窒素又はアルゴンである請求項25記載の方法。 27.凍結された非溶媒床上にポリマー溶液/薬剤混合物を注入すること、噴霧 すること、スプレーすること、押出すこと又は滴下することにより、液化ガスの 存在下で凍結された非溶媒床上にポリマー溶液/薬剤混合物を導く請求項25記 載の方法。 28.ポリマー溶液/薬剤混合物を凍結するのに適した温度でガス中へポリマー 溶液/薬剤混合物を押出すことにより、ポリマー溶液/薬剤混合物を凍結させる 請求項20記載の方法。 29.(i)ポリマー/蛋白質マトリックスを沈澱させるのに適した温度でポリ マー溶液/薬剤混合物を非溶媒に導入し、それによりポリマー/薬剤マトリック ス−非溶媒混合物を形成させ、そして (ii)ポリマー/薬剤マトリックス−非溶媒混合物をろ過することにより、非 溶媒とポリマー/薬剤マトリックスとを分離する 工程を含む方法により、ポリマー溶液/薬剤混合物から溶媒を除去する請求項1 記載の方法。 30.非溶媒がエタノール又はイソペンタンである請求項29記載の方法。 31.ポリマー溶液/薬剤混合物を溶媒中に注入すること、噴霧すること、スプ レーすること、押出すこと又は滴下することにより、ポリマー溶液/薬剤混合物 を非溶媒に導く請求項29記載の方法。 32.溶媒を蒸発させることにより、ポリマー溶液/薬剤混合物から溶媒を除去 する請求項1記載の方法。 33.溶媒を蒸発させる前に、ポリマー溶液/薬剤混合物をフィルム状に広げる 請求項32記載の方法。 34.溶媒を蒸発させる前に、ポリマー溶液/薬剤混合物を面上にスプレーする 請求項32記載の方法。 35.請求項1記載の方法により製造されてなるポリマー/薬剤マトリックス微 粒子。 36.ポリマーが生物腐食性ポリマーである請求項35記載のポリマー/薬剤マ トリックス微粒子。 37.生物腐食性ポリマーがポリ(乳酸)、ポリ(乳酸−コ−グリコール酸)コ ポリマー、ポリ(カプロラクトン)、ポリカーボネート、ポリアミド、ポリ酸無 水物、ポリ(アミノ酸)、ポリ(オルトエステル)、ポリアセタール、ポリシア ノアクリレート及びポリウレタンからなる群より選ばれたものである請求項36 記載のポリマー/薬剤マトリックス微粒子。 38.ポリマーがコポリマー又はポリマーブレンドである請求項35記載のポリ マー/薬剤マトリックス微粒子。 39.不安定な薬剤が免疫グロブリン蛋白質、抗体、サイトカイン、インターロ イキン、インターフェロン、エリトロポエチン、ヌクレアーゼ、腫瘍壊死因子、 コロニー刺激因子、インシュリン、酵素、腫瘍抑制剤、ホルモン、抗原、成長因 子、ペプチド、ポリペプチド又はポリヌクレオチドである請求項35記載のポリ マー/薬剤マトリックス微粒子。 40.さらに1以上の賦形剤を含む請求項35記載のポリマー/薬剤微粒子。 41.賦形剤が界面活性剤、酸類、塩基類、糖類及び安定剤からなる群より選ば れたものである請求項40記載のポリマー/薬剤微粒子。 42.さらに放出改質剤を含む請求項35記載のポリマー/薬剤マトリックス微 粒子。 43.放出改質剤が金属含有塩である請求項42記載のポリマー/薬剤マトリッ クス微粒子。 44.さらに1以上の付加的な薬剤を含む請求項35記載のポリマー/薬剤マト リックス微粒子。 45.薬剤が不安定な薬剤であり、 (a)有機溶媒中に溶解されたポリマー及び懸濁された薬剤を含むポリマー溶液 /薬剤混合物を形成させ; (b)該ポリマー溶液/薬剤混合物から溶媒を除去し、それにより固体のポリマ ー/薬剤マトリックスを形成させ;そして (c)機械的にポリマー/薬剤マトリックスを圧縮し、それにより移植可能なポ リマー/薬剤マトリックス塊を形成させる 工程を含む移植可能なポリマー/薬剤マトリックス塊の形成方法。 46.ポリマーが生物腐食性ポリマーである請求項45記載の方法。 47.ポリマー溶液/薬剤混合物の凝固点よりも低い温度でポリマー溶液/薬剤 混合物から溶媒を除去する請求項45記載の方法。 48.(i)ポリマー溶液/薬剤混合物を凍結し、それにより固体のポリマー溶 液/薬剤混合物を形成させ;そして (ii)該固体のポリマ一溶液/薬剤混合物から溶媒を抽出する 工程を含む方法により、ポリマー溶液/薬剤混合物から溶媒を除去する請求項4 7記載の方法。 49.ポリマー溶液/薬剤混合物の凝固点よりも低い温度で液体非溶媒中にポリ マー溶液/薬剤混合物を導くことにより、ポリマー溶液/薬剤マトリックスを凍 結させる請求項48記載の方法。 50.ポリマー溶液/薬剤混合物を液体非溶媒中へ注入すること、噴霧すること 、スプレーすること、押出すこと又は滴下することにより、ポリマー溶液/薬剤 混合物を液体非溶媒に導く請求項49記載の方法。 51.ポリマー溶液/薬剤混合物を、液化ガスの存在下で凍結された非溶媒床上 に導くことにより、ポリマー/薬剤マトリックスを凍結する請求項48記載の方 法。 52.固体のポリマー溶液/薬剤混合物を非溶媒と接触させ、それにより溶媒を 非溶媒中に抽出することにより、ポリマー溶液/薬剤混合物から溶媒を抽出する 請求項48記載の方法。 53.固体のポリマー溶液/薬剤混合物を凍結乾燥することにより、固体のポリ マー溶液/薬剤混合物から溶媒を抽出する請求項48記載の方法。 54.(i)ポリマー/蛋白質マトリックスを沈澱させるのに適した温度で非溶 媒中にポリマー溶液/薬剤混合物を導き、それによりポリマー/薬剤マトリック ス−非溶媒混合物を形成させ、そして (ii)ポリマー/薬剤マトリックス−非溶媒混合物をろ過することにより、非 溶媒とポリマー/薬剤マトリックスとを分離する 工程を含む方法により、ポリマー溶液/薬剤混合物から溶媒を除去する請求項4 5記載の方法。 55.請求項45記載の方法により製造されてなる移植可能なポリマー/薬剤マ トリックス塊。
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US08/649,128 US5817343A (en) | 1996-05-14 | 1996-05-14 | Method for fabricating polymer-based controlled-release devices |
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PCT/US1997/007441 WO1997042940A1 (en) | 1996-05-14 | 1997-05-01 | Method for fabricating polymer-based controlled-release devices |
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US10335373B2 (en) | 2012-04-18 | 2019-07-02 | Grunenthal Gmbh | Tamper resistant and dose-dumping resistant pharmaceutical dosage form |
US10624862B2 (en) | 2013-07-12 | 2020-04-21 | Grünenthal GmbH | Tamper-resistant dosage form containing ethylene-vinyl acetate polymer |
US10449547B2 (en) | 2013-11-26 | 2019-10-22 | Grünenthal GmbH | Preparation of a powdery pharmaceutical composition by means of cryo-milling |
JP2017500297A (ja) * | 2013-11-26 | 2017-01-05 | グリュネンタール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | クライオミリングによる粉末状医薬組成物の調製 |
US10842750B2 (en) | 2015-09-10 | 2020-11-24 | Grünenthal GmbH | Protecting oral overdose with abuse deterrent immediate release formulations |
Also Published As
Publication number | Publication date |
---|---|
PT914095E (pt) | 2002-11-29 |
WO1997042940A1 (en) | 1997-11-20 |
US20030031701A1 (en) | 2003-02-13 |
AU2751797A (en) | 1997-12-05 |
CA2253667A1 (en) | 1997-11-20 |
EP0914095B1 (en) | 2002-07-31 |
ES2180982T3 (es) | 2003-02-16 |
AU718866B2 (en) | 2000-04-20 |
US6183781B1 (en) | 2001-02-06 |
US5817343A (en) | 1998-10-06 |
DE69714448D1 (de) | 2002-09-05 |
ATE221373T1 (de) | 2002-08-15 |
DK0914095T3 (da) | 2002-11-11 |
DE69714448T2 (de) | 2002-11-14 |
EP0914095A1 (en) | 1999-05-12 |
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