JPH09511762A - マイクロカプセル並びにその製造及び使用方法 - Google Patents
マイクロカプセル並びにその製造及び使用方法Info
- Publication number
- JPH09511762A JPH09511762A JP8516715A JP51671596A JPH09511762A JP H09511762 A JPH09511762 A JP H09511762A JP 8516715 A JP8516715 A JP 8516715A JP 51671596 A JP51671596 A JP 51671596A JP H09511762 A JPH09511762 A JP H09511762A
- Authority
- JP
- Japan
- Prior art keywords
- microcapsules
- acid
- biodegradable
- mixture
- microcapsule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/0065—Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/22—Echographic preparations; Ultrasonic imaging preparations
- A61K49/222—Echographic preparations; Ultrasonic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/223—Microbubbles, hollow microspheres, free gas bubbles, gas microspheres
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5015—Organic compounds, e.g. fats, sugars
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Physics & Mathematics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nutrition Science (AREA)
- Acoustics & Sound (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Physiology (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.空気又は気体のコアを封入している生分解性膜を有する平均粒径が数分の 一μm〜1000μmの固体マイクロカプセルであって、該膜が、モノ−グリセリド 、ジ−グリセリド、トリ−グリセリド、脂肪酸、ステロール、ワックス及びこれ らの混合物から選ばれた一種又は二種以上の生分解可能な水不溶性で且つ室温で 固体の脂質を含むことを特徴とする固体マイクロカプセル。 2.グリセリドがモノ−、ジ−若しくはトリ−ミリスチン、−パルミチン若し くは−ステアリン又はこれらの混合物であり、好ましくはトリパルミチン又はト リステアリンである、請求の範囲第1項に記載のマイクロカプセル。 3.脂肪酸がアラキジン酸、ベヘン酸、パルミチン酸、ステアリン酸、セバシ ン酸、ミリスチン酸及びエルカ酸の中から選ばれ、好ましくはステアリン酸、パ ルミチン酸、セバシン酸及びミリスチン酸の中から選ばれる、請求の範囲第1項 に記載のマイクロカプセル。 4.ステロールがコレステロール、フィトステロール、ラノステロール、エル ゴステロール及びこれらステロールと請求の範囲第3項に記載の脂肪酸とのエス テルの中から選ばれ、好ましくはコレステロールである、請求の範囲第1項に記 載のマイクロカプセル。 5.膜が少なくとも部分的に結晶性又は半結晶性である、請求の範囲第1項に 記載のマイクロカプセル。 6.膜がさらに生分解性ポリマーを最高で75重量%、好ましくは最高で10重量 %含む、請求の範囲第1項又は第2項に記載のマイクロカプセル。 7.マイクロカプセルの平均粒径分布範囲が0.1μm〜100 μmである、請求 の範囲第1項、第2項又は第3項に記載のマイクロカ プセル。 8.マイクロカプセルが多孔質であって20〜2,000 nmの気孔を有する、請求の 範囲第1項、第2項又は第3項に記載のマイクロカプセル。 9.マイクロカプセルが非凝集性であり、乾燥しており、そして液状担体中で 簡単に分散させることができる、請求の範囲第1項に記載のマイクロカプセル。 10.マイクロカプセルがさらに再分散剤を含む、請求の範囲第9項に記載のマ イクロカプセル。 11.再分散剤がアルブミン、ポリビニルアルコール及びポリエチレングリコー ルの中から選ばれた、請求の範囲第10項に記載のマイクロカプセル。 12.生分解性ポリマーが最高で50重量%、好ましくは最高で20重量%、より好 ましくは 0.5〜10重量%の量で存在している、請求の範囲第3項に記載のマイク ロカプセル。 13.生分解性ポリマーが、ポリアミノ酸、ポリラクチド及びポリグリコリド及 びそれらのコポリマー、ラクチド及びラクトンのコポリマー、ポリペプチド、ポ リ(オルト)エステル、ポリジオキサノン、ポリ−β−アミノケトン、ポリホス ファゼン、ポリ無水物、ポリヒドロキシブチレート並びにポリアルキル(シアノ )アクリレートの中から選ばれた、請求の範囲第12項に記載のマイクロカプセル 。 14.マイクロカプセルがさらにポリオキシエチレン−ポリオキシプロピレン系 ブロックコポリマー及びリン脂質の中から選ばれた界面活性剤を含む、請求の範 囲第1項〜第13項のいずれか一項に記載のマイクロカプセル。 15.膜がさらに脂肪親和性の活性物質を含む、請求の範囲第1項〜第14項のい ずれか一項に記載のマイクロカプセル。 16.脂肪親和性の活性物質がビタミンE、プレドニソロン、クロラムフェニコ ールパルミテート及びサルブタモールの中から選ばれた、請求の範囲第15項に記 載のマイクロカプセル。 17.コアが非イオン性ヨウ素化造影剤又はMRI造影剤を含む、請求の範囲第 1項〜第15項のいずれか一項に記載のマイクロカプセル。 18.コアがインシュリンを含む、請求の範囲第1項〜第15項のいずれか一項に 記載のマイクロカプセル。 19.請求の範囲第17項に記載のマイクロカプセルを生理学的に許容できる担体 相に懸濁させることによる造影剤の製造方法。 20.請求の範囲第1項〜第15項のいずれか一項に記載のマイクロカプセルの有 効量を、通常の添加剤及び安定剤を含む医薬品として許容できる液状担体中に懸 濁状態で含む注射可能な組成物。 21.a)生分解性脂質を必要に応じて生分解性ポリマーと共に有機溶媒又は溶媒 混合物に溶解させる工程と、 b)水相を混合する工程と、 c)その混合物を乳化して水中油形乳濁液を形成する工程と、 d)再分散剤を添加する工程と、 e)凍結する工程と、 f)凍結乾燥して準球形又は球形のマイクロカプセルを含有する粉末を形成する 工程と、 g)該粉末を水性担体中で分散させる工程と、 h)空気又は気体を含有するマイクロカプセルとデブリスとをデカント法で分離 する工程と、 i)回収したマイクロカプセルを乾燥する工程 とを含むことを特徴とする、請求の範囲第1項〜第15項のいずれか一項に記載の 固体マイクロカプセルの製造方法。 22.水中油形乳濁液の形成後に有機溶媒の一部を蒸発させる、請求の範囲第21 項に記載の方法。 23.溶媒混合物が水溶性有機溶媒と水不溶性有機溶媒との混合物である、請求 の範囲第21項に記載の方法。 24.水不溶性有機溶媒がアルカン、シクロアルカン、芳香族炭化水素、エーテ ル及びハロゲン化炭化水素の中から選ばれる、請求の範囲第23項に記載の方法。 25.溶媒がトルエン、キシレン、シクロオクタン、シクロヘキサン、クロロホ ルム、テトラクロロメタン、ジフルオロテトラクロロエタン、ジブチルエーテル 、ジイソプロピルエーテル、イソブチルメチルケトン及びこれらの混合物の中か ら選ばれる、請求の範囲第24項に記載の方法。 26.界面活性剤がポリオキシエチレン−ポリオキシプロピレン系ブロックコポ リマー及びリン脂質の中から選ばれる、請求の範囲第21項に記載の方法。 27.脂質の溶液に脂肪親和性の活性物質を添加してから水相を混合する、請求 の範囲第21項に記載の方法。 28.人体又は動物の器官の超音波画像診断用の、請求の範囲第1項〜第15項の いずれか一項に記載のマイクロカプセル。 29.治療用として有効な注射可能な組成物の製造に用いるための、請求の範囲 第1項〜第17項のいずれか一項に記載のマイクロカプセル。 30.超音波診断用造影剤の製造に用いるための、請求の範囲第1項〜第15項の いずれか一項に記載のマイクロカプセル。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94810660 | 1994-11-22 | ||
| AT94810660.4 | 1994-11-22 | ||
| PCT/IB1995/001029 WO1996015815A1 (en) | 1994-11-22 | 1995-11-21 | Microcapsules, method of making and their use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09511762A true JPH09511762A (ja) | 1997-11-25 |
| JP4202414B2 JP4202414B2 (ja) | 2008-12-24 |
Family
ID=8218339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51671596A Expired - Fee Related JP4202414B2 (ja) | 1994-11-22 | 1995-11-21 | マイクロカプセル並びにその製造及び使用方法 |
Country Status (20)
| Country | Link |
|---|---|
| US (2) | US6333021B1 (ja) |
| EP (1) | EP0755270B1 (ja) |
| JP (1) | JP4202414B2 (ja) |
| KR (1) | KR100416163B1 (ja) |
| CN (1) | CN1066964C (ja) |
| AT (1) | ATE337795T1 (ja) |
| AU (1) | AU709240B2 (ja) |
| CA (1) | CA2178602C (ja) |
| CZ (1) | CZ291178B6 (ja) |
| DE (1) | DE69535203T2 (ja) |
| ES (1) | ES2271947T3 (ja) |
| FI (1) | FI120081B (ja) |
| HU (1) | HU226896B1 (ja) |
| IL (1) | IL116081A (ja) |
| MX (1) | MX9602697A (ja) |
| NO (1) | NO315692B1 (ja) |
| PL (1) | PL182989B1 (ja) |
| RU (1) | RU2139046C1 (ja) |
| WO (1) | WO1996015815A1 (ja) |
| ZA (1) | ZA959941B (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002544155A (ja) * | 1999-05-07 | 2002-12-24 | ファルマソル ゲーエムベーハー | 流体および固体脂質の混合物を基礎とする脂質粒子、およびそれらを製造するための方法 |
| JP2007070389A (ja) * | 2005-09-05 | 2007-03-22 | Shiyoufuu:Kk | 半球状中空マイクロカプセル |
| JP2008120780A (ja) * | 2006-11-13 | 2008-05-29 | Kazutoyo Kawasaki | 胃部検診用造影剤 |
| JP2011528031A (ja) * | 2008-07-14 | 2011-11-10 | ポリーペイド リミテッド | 徐放性薬剤キャリア組成物 |
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1995
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- 1995-11-21 DE DE69535203T patent/DE69535203T2/de not_active Expired - Lifetime
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- 1995-11-21 PL PL95315585A patent/PL182989B1/pl unknown
- 1995-11-21 AU AU38144/95A patent/AU709240B2/en not_active Ceased
- 1995-11-21 KR KR1019960703921A patent/KR100416163B1/ko not_active Expired - Fee Related
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- 1996-07-19 FI FI962917A patent/FI120081B/fi not_active IP Right Cessation
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002544155A (ja) * | 1999-05-07 | 2002-12-24 | ファルマソル ゲーエムベーハー | 流体および固体脂質の混合物を基礎とする脂質粒子、およびそれらを製造するための方法 |
| JP2007070389A (ja) * | 2005-09-05 | 2007-03-22 | Shiyoufuu:Kk | 半球状中空マイクロカプセル |
| JP2008120780A (ja) * | 2006-11-13 | 2008-05-29 | Kazutoyo Kawasaki | 胃部検診用造影剤 |
| JP2011528031A (ja) * | 2008-07-14 | 2011-11-10 | ポリーペイド リミテッド | 徐放性薬剤キャリア組成物 |
| JP2015129128A (ja) * | 2008-07-14 | 2015-07-16 | ポリーペイド リミテッドPolypid Ltd. | 徐放性薬剤キャリア組成物 |
| JP2016145217A (ja) * | 2008-07-14 | 2016-08-12 | ポリーペイド リミテッドPolypid Ltd. | 徐放性薬剤キャリア組成物 |
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|---|---|
| CA2178602A1 (en) | 1996-05-30 |
| ZA959941B (en) | 1996-06-10 |
| US6333021B1 (en) | 2001-12-25 |
| AU709240B2 (en) | 1999-08-26 |
| JP4202414B2 (ja) | 2008-12-24 |
| WO1996015815A1 (en) | 1996-05-30 |
| CZ291178B6 (cs) | 2003-01-15 |
| FI120081B (fi) | 2009-06-30 |
| CA2178602C (en) | 2004-03-30 |
| NO962843L (no) | 1996-07-05 |
| FI962917A0 (fi) | 1996-07-19 |
| DE69535203D1 (de) | 2006-10-12 |
| AU3814495A (en) | 1996-06-17 |
| NO315692B1 (no) | 2003-10-13 |
| FI962917A7 (fi) | 1996-07-19 |
| IL116081A0 (en) | 1996-01-31 |
| US6403057B1 (en) | 2002-06-11 |
| HUT74912A (en) | 1997-03-28 |
| EP0755270A1 (en) | 1997-01-29 |
| HU226896B1 (en) | 2010-01-28 |
| HU9601996D0 (en) | 1996-09-30 |
| PL315585A1 (en) | 1996-11-12 |
| PL182989B1 (pl) | 2002-05-31 |
| MX9602697A (es) | 1998-06-28 |
| ES2271947T3 (es) | 2007-04-16 |
| KR100416163B1 (ko) | 2004-03-19 |
| DE69535203T2 (de) | 2007-07-19 |
| RU2139046C1 (ru) | 1999-10-10 |
| EP0755270B1 (en) | 2006-08-30 |
| IL116081A (en) | 2003-04-10 |
| ATE337795T1 (de) | 2006-09-15 |
| NO962843D0 (no) | 1996-07-05 |
| CN1066964C (zh) | 2001-06-13 |
| CZ214096A3 (en) | 1996-10-16 |
| CN1139386A (zh) | 1997-01-01 |
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