JPH11504638A - 低溶解性の薬剤の経口投与のためのナノ粒子 - Google Patents
低溶解性の薬剤の経口投与のためのナノ粒子Info
- Publication number
- JPH11504638A JPH11504638A JP8533704A JP53370496A JPH11504638A JP H11504638 A JPH11504638 A JP H11504638A JP 8533704 A JP8533704 A JP 8533704A JP 53370496 A JP53370496 A JP 53370496A JP H11504638 A JPH11504638 A JP H11504638A
- Authority
- JP
- Japan
- Prior art keywords
- nanoparticles
- pharmaceutical composition
- composition according
- aqueous dispersion
- active agent
- 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
- A61K9/48—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
- A61K9/51—Nanocapsules; Nanoparticles
- A61K9/5107—Excipients; Inactive ingredients
- A61K9/513—Organic macromolecular compounds; Dendrimers
- A61K9/5138—Organic macromolecular compounds; Dendrimers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
Landscapes
- Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Nanotechnology (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.a)活性剤が水性製剤基材に分散する;および b)溶解剤がナノ粒子の水性分散の形成に適している; 溶解剤が、胃液に耐性であり、腸液に可溶性である、薬学的に許容されるポリマ ーであることを特徴とする、低水溶性を有する活性剤の経口投与用医薬組成物。 2.胃液に耐性であり、腸液で可溶性のコポリマーが、メタクリル酸、メタク リル酸エステル、アクリル酸、アクリル酸エステルからなる群から選択されるモ ノマーから形成される、請求項1記載の医薬組成物。 3.胃液に耐性であり、腸液で可溶性のポリマーが、ポリビニルアセテートフ タレート(PVAP)またはヒドロキシプロピルメチルセルロースアセテートサク シネート(HPMCAS)、ヒドロキシプロピルメチルセルロールフタレート(H PMCP)、セルロースアセテートフタレート(CAP)およびセルロースアセテ ートトリメリテート(CAT)からなる群から選択される薬学的に許容されるセル ロース誘導体である、請求項1記載の医薬組成物。 4.ポリマーが、メタクリル酸およびメタクリル酸低級アルキルエステルから なる群から選択されるモノマーから形成される、1:1から1:2までのコポリ マーである、請求項2記載の医薬組成物。 5.コポリマーが、メタクリル酸およびメタクリル酸メチルの1:1から1: 2までのコポリマーである、請求項4記載の医薬組成物。 6.コポリマーが、メタクリル酸およびアクリル酸エチルエステルの1:1コ ポリマーである、請求項2記載の医薬組成物。 7.溶解剤がナノスフェアの形成に適している、請求項1記載の医薬組成物。 8.製剤基材が経口投与に意図される投与形に取り込むのに適した水溶性添加 剤を含む、請求項1記載の医薬組成物。 9.a)溶解する活性剤およびb)ナノ粒子の水性分散の形成に適した溶解剤 を含むナノ粒子の水性分散を形成する;および分散は、更に、経口投与の投与形 に取り込むのに適した薬学的に許容される添加剤c)の任意の添加下で処理する ことを特徴とする、請求項1記載の医薬組成物の製造法。 10.ナノ粒子の水性分散を、更に凍結乾燥して処理する、請求項9記載の方 法。 11.ナノ粒子の水性分散が澱粉、硬ゼラチンまたは軟ゼラチンカプセルに充 填されている、請求項9記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB95810306.1 | 1995-05-08 | ||
EP95810306 | 1995-05-08 | ||
PCT/EP1996/001769 WO1996035414A1 (en) | 1995-05-08 | 1996-04-26 | Nanoparticles for oral administration of pharmaceutical agents of low solubility |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11504638A true JPH11504638A (ja) | 1999-04-27 |
JP4128621B2 JP4128621B2 (ja) | 2008-07-30 |
Family
ID=8221740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53370496A Expired - Fee Related JP4128621B2 (ja) | 1995-05-08 | 1996-04-26 | 低溶解性の薬剤の経口投与のためのナノ粒子 |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0835103B1 (ja) |
JP (1) | JP4128621B2 (ja) |
AR (1) | AR002049A1 (ja) |
AT (1) | ATE297195T1 (ja) |
AU (1) | AU5811996A (ja) |
CA (1) | CA2219777C (ja) |
DE (1) | DE69634818T2 (ja) |
ES (1) | ES2243952T3 (ja) |
IL (1) | IL118162A (ja) |
PT (1) | PT835103E (ja) |
TW (1) | TW493991B (ja) |
WO (1) | WO1996035414A1 (ja) |
ZA (1) | ZA963584B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007029660A1 (ja) * | 2005-09-06 | 2007-03-15 | Astellas Pharma Inc. | 腸溶性基剤が表面に吸着した難溶性薬物の微小粒子 |
WO2009107694A1 (ja) * | 2008-02-27 | 2009-09-03 | 株式会社クラレ | 金属ナノワイヤの製造方法並びに得られた金属ナノワイヤよりなる分散液および透明導電膜 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6045829A (en) * | 1997-02-13 | 2000-04-04 | Elan Pharma International Limited | Nanocrystalline formulations of human immunodeficiency virus (HIV) protease inhibitors using cellulosic surface stabilizers |
FR2766368B1 (fr) * | 1997-07-24 | 2000-03-31 | Univ Claude Bernard Lyon | Procede de preparation de nanocapsules de type vesiculaire, utilisables notamment comme vecteurs colloidaux de principes actifs pharmaceutiques ou autres |
EP0901786B1 (en) | 1997-08-11 | 2007-06-13 | Pfizer Products Inc. | Solid pharmaceutical dispersions with enhanced bioavailability |
US6350786B1 (en) | 1998-09-22 | 2002-02-26 | Hoffmann-La Roche Inc. | Stable complexes of poorly soluble compounds in ionic polymers |
SA99191255B1 (ar) | 1998-11-30 | 2006-11-25 | جي دي سيرل اند كو | مركبات سيليكوكسيب celecoxib |
ATE343562T1 (de) * | 2000-03-23 | 2006-11-15 | Elan Pharm Inc | Verbindungen und verfahren zur behandlung der alzheimerschen krankheit |
GB0216700D0 (en) | 2002-07-18 | 2002-08-28 | Astrazeneca Ab | Process |
GB0302673D0 (en) | 2003-02-06 | 2003-03-12 | Astrazeneca Ab | Pharmaceutical formulations |
WO2005072079A2 (en) | 2003-09-26 | 2005-08-11 | Alza Coporation | Drug coating providing high drug loading and methods for providing the same |
US8541026B2 (en) | 2004-09-24 | 2013-09-24 | Abbvie Inc. | Sustained release formulations of opioid and nonopioid analgesics |
US20090004231A1 (en) | 2007-06-30 | 2009-01-01 | Popp Shane M | Pharmaceutical dosage forms fabricated with nanomaterials for quality monitoring |
WO2010084088A2 (en) | 2009-01-21 | 2010-07-29 | Basf Se | Starch nanoparticles for drug delivery systems |
WO2010084060A1 (en) | 2009-01-21 | 2010-07-29 | Basf Se | Starch copolymers and nanoparticles thereof for drug delivery systems |
GB201006038D0 (en) | 2010-04-12 | 2010-05-26 | Unilever Plc | Improvements relating to antiviral compositions |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IE58110B1 (en) * | 1984-10-30 | 1993-07-14 | Elan Corp Plc | Controlled release powder and process for its preparation |
FR2608988B1 (fr) * | 1986-12-31 | 1991-01-11 | Centre Nat Rech Scient | Procede de preparation de systemes colloidaux dispersibles d'une substance, sous forme de nanoparticules |
US5382435A (en) * | 1993-03-24 | 1995-01-17 | Southwest Research Institute | Microparticulate pharmaceutical delivery system |
-
1996
- 1996-04-11 TW TW085104269A patent/TW493991B/zh active
- 1996-04-26 AU AU58119/96A patent/AU5811996A/en not_active Abandoned
- 1996-04-26 DE DE69634818T patent/DE69634818T2/de not_active Expired - Lifetime
- 1996-04-26 ES ES96919643T patent/ES2243952T3/es not_active Expired - Lifetime
- 1996-04-26 WO PCT/EP1996/001769 patent/WO1996035414A1/en active IP Right Grant
- 1996-04-26 AT AT96919643T patent/ATE297195T1/de not_active IP Right Cessation
- 1996-04-26 JP JP53370496A patent/JP4128621B2/ja not_active Expired - Fee Related
- 1996-04-26 PT PT96919643T patent/PT835103E/pt unknown
- 1996-04-26 CA CA002219777A patent/CA2219777C/en not_active Expired - Fee Related
- 1996-04-26 EP EP96919643A patent/EP0835103B1/en not_active Expired - Lifetime
- 1996-05-06 IL IL11816296A patent/IL118162A/en not_active IP Right Cessation
- 1996-05-07 ZA ZA963584A patent/ZA963584B/xx unknown
- 1996-05-08 AR ARP960102493A patent/AR002049A1/es unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007029660A1 (ja) * | 2005-09-06 | 2007-03-15 | Astellas Pharma Inc. | 腸溶性基剤が表面に吸着した難溶性薬物の微小粒子 |
WO2009107694A1 (ja) * | 2008-02-27 | 2009-09-03 | 株式会社クラレ | 金属ナノワイヤの製造方法並びに得られた金属ナノワイヤよりなる分散液および透明導電膜 |
JP5507440B2 (ja) * | 2008-02-27 | 2014-05-28 | 株式会社クラレ | 金属ナノワイヤの製造方法並びに得られた金属ナノワイヤよりなる分散液および透明導電膜 |
Also Published As
Publication number | Publication date |
---|---|
IL118162A0 (en) | 1996-09-12 |
JP4128621B2 (ja) | 2008-07-30 |
DE69634818T2 (de) | 2006-03-23 |
EP0835103B1 (en) | 2005-06-08 |
AU5811996A (en) | 1996-11-29 |
CA2219777A1 (en) | 1996-11-14 |
WO1996035414A1 (en) | 1996-11-14 |
ES2243952T3 (es) | 2005-12-01 |
AR002049A1 (es) | 1998-01-07 |
CA2219777C (en) | 2007-06-12 |
ZA963584B (en) | 1996-11-08 |
EP0835103A1 (en) | 1998-04-15 |
TW493991B (en) | 2002-07-11 |
ATE297195T1 (de) | 2005-06-15 |
IL118162A (en) | 2001-10-31 |
DE69634818D1 (de) | 2005-07-14 |
PT835103E (pt) | 2005-10-31 |
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