WO2005035088A3 - Method for preparing small spherical by controlled phase separation - Google Patents

Method for preparing small spherical by controlled phase separation Download PDF

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Publication number
WO2005035088A3
WO2005035088A3 PCT/US2004/023182 US2004023182W WO2005035088A3 WO 2005035088 A3 WO2005035088 A3 WO 2005035088A3 US 2004023182 W US2004023182 W US 2004023182W WO 2005035088 A3 WO2005035088 A3 WO 2005035088A3
Authority
WO
WIPO (PCT)
Prior art keywords
small spherical
phase separation
phase
active agent
controlled phase
Prior art date
Application number
PCT/US2004/023182
Other languages
French (fr)
Other versions
WO2005035088A2 (en
Inventor
Larry Brown
Geehan John K Mc
Julia Rashba-Step
Terrence L Scott
Original Assignee
Baxter 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
Priority to KR1020067001079A priority Critical patent/KR101137785B1/en
Application filed by Baxter Int filed Critical Baxter Int
Priority to JP2006520406A priority patent/JP2007531701A/en
Priority to MXPA06000720A priority patent/MXPA06000720A/en
Priority to CA002532837A priority patent/CA2532837A1/en
Priority to CN2004800208038A priority patent/CN1826170B/en
Priority to BRPI0412735-8A priority patent/BRPI0412735A/en
Priority to EP04809503A priority patent/EP1646445A4/en
Priority to AU2004280158A priority patent/AU2004280158B2/en
Publication of WO2005035088A2 publication Critical patent/WO2005035088A2/en
Priority to IL172546A priority patent/IL172546A/en
Publication of WO2005035088A3 publication Critical patent/WO2005035088A3/en
Priority to ZA2006/00515A priority patent/ZA200600515B/en
Priority to NO20060796A priority patent/NO20060796L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • 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
    • A61K38/22—Hormones
    • A61K38/28—Insulins
    • 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
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • 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
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates

Abstract

The present invention is related to a method for preparing small spherical particles of an active agent by providing a solution in a single liquid phase. The single liquid phase comprises an active agent, a phase separation enhancing agent, and a first solvent. A phase change is induced at a controlled rate in the solution to cause a liquid-solid phase separation of the active agent and to form a solid phase and a liquid phase. The solid phase comprises solid small spherical particles of the active agent. The liquid phase comprises the phase separation enhancing agent and the solvent. The small spherical particles are substantially spherical and having a size from about 0.01µm to about 200µm.
PCT/US2004/023182 2003-07-18 2004-07-19 Method for preparing small spherical by controlled phase separation WO2005035088A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
BRPI0412735-8A BRPI0412735A (en) 2003-07-18 2004-07-19 methods for the manufacture, use and composition of small spherical particles prepared by controlled phase separation
JP2006520406A JP2007531701A (en) 2003-07-18 2004-07-19 Method, use and composition of small spherical particles prepared by controlled phase separation
MXPA06000720A MXPA06000720A (en) 2003-07-18 2004-07-19 Methods for fabrication, uses and compositions of small spherical particles prepared by controlled phase separation.
CA002532837A CA2532837A1 (en) 2003-07-18 2004-07-19 Method for preparing small spherical particles by controlled phase separation
CN2004800208038A CN1826170B (en) 2003-07-18 2004-07-19 Methods for fabrication, uses and compositions of small spherical particles prepared by controlled phase separation
KR1020067001079A KR101137785B1 (en) 2003-07-18 2004-07-19 Methods for Fabrication, Uses and Compositions of Small Spherical Particles Prepared by Controlled Phase Separation
EP04809503A EP1646445A4 (en) 2003-07-18 2004-07-19 Methods for fabrication, uses and compositions of small spherical particles prepared by controlled phase separation
AU2004280158A AU2004280158B2 (en) 2003-07-18 2004-07-19 Methods for fabrication, uses and compositions of small spherical particles prepared by controlled phase separation
IL172546A IL172546A (en) 2003-07-18 2005-12-13 Methods for fabrication, uses and compositions of small spherical particles prepared by controlled phase separation
ZA2006/00515A ZA200600515B (en) 2003-07-18 2006-01-18 Methodsfor fabrication, uses and compositions of small spherical particles prepared by controlled phase separation
NO20060796A NO20060796L (en) 2003-07-18 2006-02-17 Process for Preparation of Small Spherical Particles by Controlled Phase Separation and Preparations with Such Particles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48871203P 2003-07-18 2003-07-18
US60/488,712 2003-07-18

Publications (2)

Publication Number Publication Date
WO2005035088A2 WO2005035088A2 (en) 2005-04-21
WO2005035088A3 true WO2005035088A3 (en) 2005-12-15

Family

ID=34434818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/023182 WO2005035088A2 (en) 2003-07-18 2004-07-19 Method for preparing small spherical by controlled phase separation

Country Status (15)

Country Link
US (4) US8075919B2 (en)
EP (1) EP1646445A4 (en)
JP (1) JP2007531701A (en)
KR (1) KR101137785B1 (en)
CN (1) CN1826170B (en)
AU (1) AU2004280158B2 (en)
BR (1) BRPI0412735A (en)
CA (1) CA2532837A1 (en)
IL (1) IL172546A (en)
MX (1) MXPA06000720A (en)
NO (1) NO20060796L (en)
RU (1) RU2426590C2 (en)
SG (1) SG135204A1 (en)
WO (1) WO2005035088A2 (en)
ZA (1) ZA200600515B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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