BR9908755A - Processo de produzir micropartìculas, e, micropartìcula - Google Patents

Processo de produzir micropartìculas, e, micropartìcula

Info

Publication number
BR9908755A
BR9908755A BR9908755-3A BR9908755A BR9908755A BR 9908755 A BR9908755 A BR 9908755A BR 9908755 A BR9908755 A BR 9908755A BR 9908755 A BR9908755 A BR 9908755A
Authority
BR
Brazil
Prior art keywords
microparticles
producing
polymer
forming
aqueous solution
Prior art date
Application number
BR9908755-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Gordon Findlay Dawson
Frank Koppenhagen
Original Assignee
Cenes Drug Delivery Ltd
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 Cenes Drug Delivery Ltd filed Critical Cenes Drug Delivery Ltd
Publication of BR9908755A publication Critical patent/BR9908755A/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
    • 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
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/14—Powdering or granulating by precipitation from solutions

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Steroid Compounds (AREA)
BR9908755-3A 1998-03-14 1999-03-15 Processo de produzir micropartìculas, e, micropartìcula BR9908755A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9805417.4A GB9805417D0 (en) 1998-03-14 1998-03-14 Production of microparticles
PCT/GB1999/000685 WO1999047588A1 (en) 1998-03-14 1999-03-15 Production of microparticles

Publications (1)

Publication Number Publication Date
BR9908755A true BR9908755A (pt) 2000-11-28

Family

ID=10828524

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9908755-3A BR9908755A (pt) 1998-03-14 1999-03-15 Processo de produzir micropartìculas, e, micropartìcula

Country Status (7)

Country Link
EP (1) EP1068257A1 (ja)
JP (1) JP2002506901A (ja)
AU (1) AU2736499A (ja)
BR (1) BR9908755A (ja)
CA (1) CA2324235A1 (ja)
GB (1) GB9805417D0 (ja)
WO (1) WO1999047588A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824822B2 (en) * 2001-08-31 2004-11-30 Alkermes Controlled Therapeutics Inc. Ii Residual solvent extraction method and microparticles produced thereby
FR2832312B1 (fr) * 2001-11-21 2004-01-16 Inst Nat Sante Rech Med Procede de preparation de microparticules sans solvant toxique, microparticules obtenues selon ce procede, utilisations et compositions pharmaceutiques
US20040097419A1 (en) * 2002-11-19 2004-05-20 Holger Petersen Organic compounds
US20070231398A1 (en) * 2004-05-05 2007-10-04 Van Lare Cornelis E J Antisolvent Emulsion Solidification Process
US20090123556A1 (en) * 2005-03-01 2009-05-14 Sun Pharmaceutical Industries Limited Sustained release pharmaceutical compositions
US20130243839A1 (en) * 2011-08-08 2013-09-19 Landec Corporation Controlled, Sustained Release Particles for Treating Seeds and Plants and Methods for Making the Particles
TWI575062B (zh) 2011-12-16 2017-03-21 拜歐菲樂Ｉｐ有限責任公司 低溫注射組成物，用於低溫調節導管中流量之系統及方法
GR1010327B (el) * 2021-10-06 2022-10-17 Φαρματεν Α.Β.Ε.Ε., Παρατεταμενης αποδεσμευσης ενεσιμο φαρμακευτικο σκευασμα λεβοθυροξινης και μεθοδος παρασκευης αυτου

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0747643B2 (ja) * 1987-02-03 1995-05-24 東レ株式会社 球状ポリマ微粉末の製造方法
WO1989003678A1 (en) * 1987-10-30 1989-05-05 Stolle Research & Development Corporation Low residual solvent microspheres and microencapsulation process
FR2692168B1 (fr) * 1992-06-16 1995-03-24 Centre Nat Rech Scient Préparation et utilisation de nouveaux systèmes colloïdaux dispersibles à base de cyclodextrine, sous forme de nanosphères.
GB9310781D0 (en) * 1993-05-25 1993-07-14 Davis Stanley S Preparation of microparticles

Also Published As

Publication number Publication date
WO1999047588A1 (en) 1999-09-23
GB9805417D0 (en) 1998-05-06
EP1068257A1 (en) 2001-01-17
JP2002506901A (ja) 2002-03-05
AU2736499A (en) 1999-10-11
CA2324235A1 (en) 1999-09-23

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired