CA2494277A1 - Crystalline drug particles prepared using a controlled precipitation (recrystallization) process - Google Patents

Crystalline drug particles prepared using a controlled precipitation (recrystallization) process Download PDF

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Publication number
CA2494277A1
CA2494277A1 CA002494277A CA2494277A CA2494277A1 CA 2494277 A1 CA2494277 A1 CA 2494277A1 CA 002494277 A CA002494277 A CA 002494277A CA 2494277 A CA2494277 A CA 2494277A CA 2494277 A1 CA2494277 A1 CA 2494277A1
Authority
CA
Canada
Prior art keywords
particles
drug
particles according
crystalline
domains
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.)
Abandoned
Application number
CA002494277A
Other languages
English (en)
French (fr)
Inventor
Sonke Svenson
Christopher J. Tucker
James E. Hitt
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.)
Dow Global Technologies LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2494277A1 publication Critical patent/CA2494277A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141Intimate 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
    • A61K9/146Intimate 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141Intimate 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
    • A61K9/145Intimate 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 compounds

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)
  • Cephalosporin Compounds (AREA)
CA002494277A 2002-08-06 2003-07-14 Crystalline drug particles prepared using a controlled precipitation (recrystallization) process Abandoned CA2494277A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/213,907 US20040028746A1 (en) 2002-08-06 2002-08-06 Crystalline drug particles prepared using a controlled precipitation (recrystallization) process
US10/213,907 2002-08-06
PCT/US2003/021882 WO2004012710A1 (en) 2002-08-06 2003-07-14 Crystalline drug particles prepared using a controlled precipitation (recrystallization) process

Publications (1)

Publication Number Publication Date
CA2494277A1 true CA2494277A1 (en) 2004-02-12

Family

ID=31494557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002494277A Abandoned CA2494277A1 (en) 2002-08-06 2003-07-14 Crystalline drug particles prepared using a controlled precipitation (recrystallization) process

Country Status (8)

Country Link
US (1) US20040028746A1 (enExample)
EP (1) EP1545463B1 (enExample)
JP (1) JP2005536525A (enExample)
CN (1) CN100356905C (enExample)
AT (1) ATE537815T1 (enExample)
AU (1) AU2003249195A1 (enExample)
CA (1) CA2494277A1 (enExample)
WO (1) WO2004012710A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0327723D0 (en) 2003-09-15 2003-12-31 Vectura Ltd Pharmaceutical compositions
CN114394909B (zh) * 2021-12-31 2024-06-07 大连新阳光材料科技有限公司 对氨基苯甲酸微粉的制备方法
PT4489884T (pt) 2023-01-18 2025-10-15 Nanoform Finland Oyj Um método para cristalização de ingredientes farmacêuticos ativos

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826689A (en) * 1984-05-21 1989-05-02 University Of Rochester Method for making uniformly sized particles from water-insoluble organic compounds
US5145684A (en) * 1991-01-25 1992-09-08 Sterling Drug Inc. Surface modified drug nanoparticles
SE9101090D0 (sv) * 1991-04-11 1991-04-11 Astra Ab Process for conditioning of water-soluble substances
US5716642A (en) * 1995-01-10 1998-02-10 Nano Systems L.L.C. Microprecipitation of nanoparticulate pharmaceutical agents using surface active material derived from similar pharmaceutical agents
SE9501384D0 (sv) * 1995-04-13 1995-04-13 Astra Ab Process for the preparation of respirable particles
US5715642A (en) * 1995-08-16 1998-02-10 Steel Framing Supply Steel-frame system and member
US6287693B1 (en) * 1998-02-25 2001-09-11 John Claude Savoir Stable shaped particles of crystalline organic compounds
US6869617B2 (en) * 2000-12-22 2005-03-22 Baxter International Inc. Microprecipitation method for preparing submicron suspensions
EP1436057B1 (en) * 2001-10-17 2006-04-19 E.I. du Pont de Nemours and Company Rotor-stator apparatus and process for the formation of particles

Also Published As

Publication number Publication date
US20040028746A1 (en) 2004-02-12
EP1545463B1 (en) 2011-12-21
EP1545463A1 (en) 2005-06-29
CN100356905C (zh) 2007-12-26
WO2004012710A8 (en) 2005-06-30
CN1674872A (zh) 2005-09-28
ATE537815T1 (de) 2012-01-15
AU2003249195A1 (en) 2004-02-23
JP2005536525A (ja) 2005-12-02
WO2004012710A1 (en) 2004-02-12

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Legal Events

Date Code Title Description
FZDE Discontinued