CA2083027A1 - Formation of protein microparticles by antisolvent precipitation - Google Patents

Formation of protein microparticles by antisolvent precipitation

Info

Publication number
CA2083027A1
CA2083027A1 CA002083027A CA2083027A CA2083027A1 CA 2083027 A1 CA2083027 A1 CA 2083027A1 CA 002083027 A CA002083027 A CA 002083027A CA 2083027 A CA2083027 A CA 2083027A CA 2083027 A1 CA2083027 A1 CA 2083027A1
Authority
CA
Canada
Prior art keywords
formation
antisolvent precipitation
protein microparticles
solution
microparticles
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
Application number
CA002083027A
Other languages
French (fr)
Other versions
CA2083027C (en
Inventor
Pablo G. Debenedetti
Gio-Bin Lim
Robert K. Prud'homme
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Princeton University
Original Assignee
Pablo G. Debenedetti
Gio-Bin Lim
Robert K. Prud'homme
The Trustees Of Princeton University
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25156397&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2083027(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pablo G. Debenedetti, Gio-Bin Lim, Robert K. Prud'homme, The Trustees Of Princeton University filed Critical Pablo G. Debenedetti
Publication of CA2083027A1 publication Critical patent/CA2083027A1/en
Application granted granted Critical
Publication of CA2083027C publication Critical patent/CA2083027C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/0004—Oxidoreductases (1.)
    • C12N9/0065—Oxidoreductases (1.) acting on hydrogen peroxide as acceptor (1.11)
    • 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
    • A61K9/1688—Processes resulting in pure drug agglomerate optionally containing up to 5% of excipient
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/14—Extraction; Separation; Purification
    • C07K1/30—Extraction; Separation; Purification by precipitation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/575—Hormones
    • C07K14/62—Insulins
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/665—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans derived from pro-opiomelanocortin, pro-enkephalin or pro-dynorphin
    • C07K14/695—Corticotropin [ACTH]
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/98—Preparation of granular or free-flowing enzyme compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Abstract

Microparticles of a material are formed by bringing a supercritical antisolvent gas into contact with a solution of the material in a solvent at a controlled rate operable to expand the solution and precipitate the material. The small particulate material formed in accordance with the invention is particularly useful in the preparation of devices that provide control of the rate of drug release.
CA002083027A 1991-11-14 1992-11-16 Formation of protein microparticles by antisolvent precipitation Expired - Fee Related CA2083027C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/792,292 US6063910A (en) 1991-11-14 1991-11-14 Preparation of protein microparticles by supercritical fluid precipitation
US07/792,292 1991-11-14

Publications (2)

Publication Number Publication Date
CA2083027A1 true CA2083027A1 (en) 1993-05-15
CA2083027C CA2083027C (en) 2004-01-20

Family

ID=25156397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002083027A Expired - Fee Related CA2083027C (en) 1991-11-14 1992-11-16 Formation of protein microparticles by antisolvent precipitation

Country Status (9)

Country Link
US (1) US6063910A (en)
EP (1) EP0542314B9 (en)
JP (1) JP3342899B2 (en)
AT (1) ATE167870T1 (en)
AU (1) AU668367B2 (en)
CA (1) CA2083027C (en)
DE (1) DE69226064T3 (en)
DK (1) DK0542314T4 (en)
ES (1) ES2118778T5 (en)

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US6063910A (en) 2000-05-16
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CA2083027C (en) 2004-01-20
ES2118778T5 (en) 2005-07-16
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DE69226064T2 (en) 1998-10-29
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JP3342899B2 (en) 2002-11-11

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