BR0109312A - Processo para a preparação de formulações de liberação acelerada utilizando fluidos comprimidos - Google Patents

Processo para a preparação de formulações de liberação acelerada utilizando fluidos comprimidos

Info

Publication number
BR0109312A
BR0109312A BR0109312-6A BR0109312A BR0109312A BR 0109312 A BR0109312 A BR 0109312A BR 0109312 A BR0109312 A BR 0109312A BR 0109312 A BR0109312 A BR 0109312A
Authority
BR
Brazil
Prior art keywords
active ingredient
preparation
compressed
release formulations
compressed fluids
Prior art date
Application number
BR0109312-6A
Other languages
English (en)
Inventor
Italo Colombo
Paolo Pallado
Original Assignee
Eurand Int
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eurand Int filed Critical Eurand Int
Publication of BR0109312A publication Critical patent/BR0109312A/pt

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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • 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
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • 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
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (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)
  • Steroid Compounds (AREA)

Abstract

"PROCESSO PARA A PREPARAçãO DE FORMULAçõES DE LIBERAçãO ACELERADA UTILIZANDO FLUIDOS COMPRIMIDOS". A presente invenção refere-se a um processo para impregnação de polímeros reticulados com um ingrediente ativo. O processo é baseado na utilização de fluidos comprimidos, em particular CO~ 2~, com efeito anti-solvente, e envolve as etapas de impregnação do polímero com uma solução de um ingrediente ativo, adição de um fluido comprimido até a precipitação do ingrediente ativo causada pelo efeito anti-solvente do fluido comprimido, remoção do solvente e do fluido comprimido. O processo permite a obtenção de formulações farmacêuticas de liberação acelerada que, quando comparadas com as formulações já conhecidas, contêm maiores quantidades do ingrediente ativo amorfo ou nanocristalino.
BR0109312-6A 2000-03-17 2001-03-07 Processo para a preparação de formulações de liberação acelerada utilizando fluidos comprimidos BR0109312A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI000560A IT1318404B1 (it) 2000-03-17 2000-03-17 Processo per la preparazione di formulazioni a rilascio accelerato conimpiego di fluidi compressi.
PCT/EP2001/002538 WO2001068054A1 (en) 2000-03-17 2001-03-07 Process for the preparation of accelerated release formulations using compressed fluids

Publications (1)

Publication Number Publication Date
BR0109312A true BR0109312A (pt) 2002-12-17

Family

ID=11444510

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0109312-6A BR0109312A (pt) 2000-03-17 2001-03-07 Processo para a preparação de formulações de liberação acelerada utilizando fluidos comprimidos

Country Status (13)

Country Link
US (1) US6913779B2 (pt)
EP (1) EP1267836B1 (pt)
JP (1) JP2003526653A (pt)
KR (1) KR20030070815A (pt)
CN (1) CN1418090A (pt)
AT (1) ATE326950T1 (pt)
AU (1) AU4068201A (pt)
BR (1) BR0109312A (pt)
CA (1) CA2403343C (pt)
DE (1) DE60119914D1 (pt)
IT (1) IT1318404B1 (pt)
MX (1) MXPA02009056A (pt)
WO (1) WO2001068054A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1346722B1 (en) * 2000-12-01 2008-12-10 Takeda Pharmaceutical Company Limited Method for producing preparation containing bioactive substance
GB0126716D0 (en) * 2001-11-07 2002-01-02 Advanced Phytonics Ltd Method for the production of particles
ATE422156T1 (de) * 2002-03-07 2009-02-15 Eurand Pharmaceuticals Ltd Verfahren zum laden und thermodynamischen aktivieren von arzneimitteln auf polymeren mit superkritischen flüssigkeiten
GB0205868D0 (en) * 2002-03-13 2002-04-24 Univ Nottingham Polymer composite with internally distributed deposition matter
US8497258B2 (en) 2005-11-12 2013-07-30 The Regents Of The University Of California Viscous budesonide for the treatment of inflammatory diseases of the gastrointestinal tract
JP2010505605A (ja) * 2006-10-06 2010-02-25 ニューサウス イノベーションズ ピーティーワイ リミテッド 粒子の形成
GB0812742D0 (en) * 2008-07-11 2008-08-20 Critical Pharmaceuticals Ltd Process
FR2945449B1 (fr) * 2009-05-15 2012-10-05 Pf Medicament Procede d'impregnation par co2 supercritique
WO2010144865A2 (en) 2009-06-12 2010-12-16 Meritage Pharma, Inc. Methods for treating gastrointestinal disorders
CN105687141A (zh) * 2016-03-04 2016-06-22 中国药科大学 超临界抗溶剂法制备尼美舒利-左旋聚乳酸(Nim-PLLA)复合微球的工艺研究
CN110859807A (zh) * 2018-08-28 2020-03-06 康芝药业股份有限公司 一种尼美舒利的固体分散微粉及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225192A (en) * 1988-10-17 1993-07-06 Vectorpharma International S.P.A. Poorly soluble medicaments supported on polymer substances in a form suitable for increasing their dissolving rate
IE63321B1 (en) * 1986-02-03 1995-04-05 Elan Corp Plc Drug delivery system
IT1230566B (it) * 1988-10-17 1991-10-28 Vectorpharma Int Farmaci poco solubili supportati su sostanze polimeriche in forma atta all'aumento della velocita' di dissoluzione
CA2017332A1 (en) * 1989-06-29 1990-12-29 Richard W. Greiner Pharmaceutically impregnated catheters
US5340614A (en) * 1993-02-11 1994-08-23 Minnesota Mining And Manufacturing Company Methods of polymer impregnation
ATE212545T1 (de) * 1995-03-28 2002-02-15 Fidia Advanced Biopolymers Srl Nanosphären mit einem biokompatiblen polysaccharid
IT1296464B1 (it) * 1997-11-19 1999-06-25 Vectorpharma Int Composizioni farmaceutiche in forma di polveri di polimeri reticolati caricati con farmaci e relativo processo di preparazione mediante
CA2409003C (en) * 2000-05-16 2010-10-19 Ortho-Mcneil Pharmaceutical, Inc. Process for coating medical devices using super-critical carbon dioxide

Also Published As

Publication number Publication date
EP1267836B1 (en) 2006-05-24
JP2003526653A (ja) 2003-09-09
CN1418090A (zh) 2003-05-14
ITMI20000560A0 (it) 2000-03-17
US6913779B2 (en) 2005-07-05
CA2403343A1 (en) 2001-09-20
ITMI20000560A1 (it) 2001-09-17
AU4068201A (en) 2001-09-24
CA2403343C (en) 2010-05-11
KR20030070815A (ko) 2003-09-02
ATE326950T1 (de) 2006-06-15
US20030161957A1 (en) 2003-08-28
DE60119914D1 (de) 2006-06-29
MXPA02009056A (es) 2004-09-06
WO2001068054A1 (en) 2001-09-20
EP1267836A1 (en) 2003-01-02
IT1318404B1 (it) 2003-08-25

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]