EP0544657A4 - Method for making uniformly-sized particles from insoluble compounds - Google Patents

Method for making uniformly-sized particles from insoluble compounds

Info

Publication number
EP0544657A4
EP0544657A4 EP19900912514 EP90912514A EP0544657A4 EP 0544657 A4 EP0544657 A4 EP 0544657A4 EP 19900912514 EP19900912514 EP 19900912514 EP 90912514 A EP90912514 A EP 90912514A EP 0544657 A4 EP0544657 A4 EP 0544657A4
Authority
EP
European Patent Office
Prior art keywords
sized particles
insoluble compounds
making uniformly
uniformly
making
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.)
Withdrawn
Application number
EP19900912514
Other versions
EP0544657A1 (en
Inventor
Michael R. Violante
Harry W. Fischer
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.)
University of Rochester
Original Assignee
University of Rochester
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=25675878&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0544657(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by University of Rochester filed Critical University of Rochester
Publication of EP0544657A1 publication Critical patent/EP0544657A1/en
Publication of EP0544657A4 publication Critical patent/EP0544657A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/04—X-ray contrast preparations
    • A61K49/0433—X-ray contrast preparations containing an organic halogenated X-ray contrast-enhancing agent
    • A61K49/0447—Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is a halogenated organic compound
    • A61K49/0476—Particles, beads, capsules, spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
    • 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
    • A61K9/1682—Processes
    • A61K9/1688—Processes resulting in pure drug agglomerate optionally containing up to 5% of excipient

Landscapes

  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
EP19900912514 1984-05-21 1990-08-21 Method for making uniformly-sized particles from insoluble compounds Withdrawn EP0544657A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61272584A 1984-05-21 1984-05-21
CA002089075A CA2089075A1 (en) 1984-05-21 1990-08-21 Method for making uniformly-sized particles from insoluble compounds

Publications (2)

Publication Number Publication Date
EP0544657A1 EP0544657A1 (en) 1993-06-09
EP0544657A4 true EP0544657A4 (en) 1993-08-04

Family

ID=25675878

Family Applications (2)

Application Number Title Priority Date Filing Date
EP85201206A Expired - Lifetime EP0169618B2 (en) 1984-05-21 1985-05-21 Method for making uniformly sized particles from water-insoluble organic compounds
EP19900912514 Withdrawn EP0544657A4 (en) 1984-05-21 1990-08-21 Method for making uniformly-sized particles from insoluble compounds

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP85201206A Expired - Lifetime EP0169618B2 (en) 1984-05-21 1985-05-21 Method for making uniformly sized particles from water-insoluble organic compounds

Country Status (7)

Country Link
EP (2) EP0169618B2 (en)
JP (1) JPH072209B2 (en)
KR (1) KR930701346A (en)
AU (1) AU579166B2 (en)
CA (2) CA1282405C (en)
PT (1) PT80494B (en)
WO (1) WO1992003380A1 (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606939A (en) * 1983-06-22 1986-08-19 The Ohio State University Research Foundation Small particle formation
US4826689A (en) * 1984-05-21 1989-05-02 University Of Rochester Method for making uniformly sized particles from water-insoluble organic compounds
US4783484A (en) * 1984-10-05 1988-11-08 University Of Rochester Particulate composition and use thereof as antimicrobial agent
NL194638C (en) * 1986-12-19 2002-10-04 Novartis Ag Hydrosol containing solid particles of a pharmaceutically active substance and pharmaceutical preparation containing this hydrosol.
DK181988A (en) * 1988-03-30 1989-10-01 Dumex Ltd As THIOCARBAMIC ACID RESIDUES FOR USE AS A THERAPEUTIC AND PREPARATION FOR THE TREATMENT OF ALCOHOL ABUSE
SE464743B (en) * 1989-06-21 1991-06-10 Ytkemiska Inst PROCEDURE FOR PREPARATION OF MEDICINAL PARTICLES
DE3936053A1 (en) * 1989-10-28 1991-05-02 Basf Ag METHOD FOR IMPROVING THE BIODEGRADABILITY OF PHARMACEUTICAL AGENTS WITH PEPTIDE BINDINGS
US6350462B1 (en) * 1990-12-26 2002-02-26 Olympus Optical Co., Ltd. Hollow porous ceramic carrier for embedding in patient for sustained medicament release and method of preparation thereof
US5399363A (en) * 1991-01-25 1995-03-21 Eastman Kodak Company Surface modified anticancer nanoparticles
MX9201782A (en) * 1991-04-19 1992-10-01 Sandoz Ag PARTICLES OF BIOLOGICALLY ACTIVE SUBSTANCES, SUBSTANTIALLY INSOLUBLE IN WATER, PROCESS FOR THEIR PRODUCTION AND PHARMACEUTICAL COMPOSITION THAT CONTAINS THEM.
CA2112905A1 (en) * 1991-07-05 1993-01-21 Michael R. Violante Ultrasmall non-aggregated porous particles entrapping gas-bubbles
HUT70952A (en) * 1992-06-10 1995-11-28 Eastman Kodak Co Surface modified nanoparticles based on nosteroidal inflammatory drugs, process for preparing them and pharmaceutical compns. contg. them
DE4329446A1 (en) * 1993-09-01 1995-03-02 Basf Ag Process for the production of finely divided color or active substance preparations
SE9403846D0 (en) * 1994-11-09 1994-11-09 Univ Ohio State Res Found Small particle formation
SE9501384D0 (en) * 1995-04-13 1995-04-13 Astra Ab Process for the preparation of respirable particles
EP1369111A1 (en) * 1996-10-03 2003-12-10 Hermes Biosciences, Inc. Hydrophilic microparticles and methods to prepare same
DE69727244T2 (en) * 1996-10-03 2004-11-25 Hermes Biosciences Inc., San Francisco Hydrophilic microparticles and process for their preparation
US5965729A (en) 1997-02-05 1999-10-12 Merck & Co., Inc. Process for the crystallization of a reverse transcriptase inhibitor using an anti-solvent
SK284935B6 (en) * 1997-02-05 2006-02-02 Merck & Co., Inc. Form I of (-)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl- 1,4-dihydro-2H-3,1-benzoxazin-2-one and method for its crystallization
SE9701956D0 (en) 1997-05-23 1997-05-23 Astra Ab New composition of matter
DE19856432A1 (en) 1998-12-08 2000-06-15 Basf Ag Nanoparticulate core-shell systems and their use in pharmaceutical and cosmetic preparations
US6447806B1 (en) 1999-02-25 2002-09-10 Novartis Ag Pharmaceutical compositions comprised of stabilized peptide particles
GB9925934D0 (en) * 1999-11-03 1999-12-29 Glaxo Group Ltd Novel apparatus and process
US20040022862A1 (en) * 2000-12-22 2004-02-05 Kipp James E. Method for preparing small particles
US20050048126A1 (en) 2000-12-22 2005-03-03 Barrett Rabinow Formulation to render an antimicrobial drug potent against organisms normally considered to be resistant to the drug
US8067032B2 (en) 2000-12-22 2011-11-29 Baxter International Inc. Method for preparing submicron particles of antineoplastic agents
US9700866B2 (en) 2000-12-22 2017-07-11 Baxter International Inc. Surfactant systems for delivery of organic compounds
ATE319432T1 (en) * 2000-12-22 2006-03-15 Baxter Int METHOD FOR PRODUCING SUBMICROPARTICLE SUSPENSIONS OF PHARMACEUTICAL SUBSTANCES
US20060003012A9 (en) 2001-09-26 2006-01-05 Sean Brynjelsen Preparation of submicron solid particle suspensions by sonication of multiphase systems
JP2005504090A (en) 2001-09-26 2005-02-10 バクスター・インターナショナル・インコーポレイテッド Preparation of submicron size-nanoparticles by removal of dispersion and solvent or liquid phase
MXPA04011323A (en) * 2002-05-13 2005-02-14 Pharmacia Corp Stable amorphous celecoxib composite and process therefor.
GB0216700D0 (en) * 2002-07-18 2002-08-28 Astrazeneca Ab Process
JP4326197B2 (en) * 2002-08-30 2009-09-02 独立行政法人科学技術振興機構 Novel process for producing pigment nanoparticles
US7511079B2 (en) 2003-03-24 2009-03-31 Baxter International Inc. Methods and apparatuses for the comminution and stabilization of small particles
US7858609B2 (en) 2005-11-28 2010-12-28 Marinus Pharmaceuticals Solid ganaxolone formulations and methods for the making and use thereof
BRPI0717721A2 (en) 2006-11-28 2013-10-29 Marinus Pharmaceuticals "COMPLEX DRUG PARTICLES, PHARMACEUTICAL COMPOSITION, USE OF A PHARMACEUTICAL COMPOSITION, COMPLEX DRUG PARTICLES STABILIZED IN THE SIZE, METHOD FOR THE PREPARATION OF STABILIZED DRUG PARTICLES, EMOTIONAL COMPOSITION IN PHARMACEUTICAL, PHARMACEUTICAL UNDERSTANDING
US8426467B2 (en) 2007-05-22 2013-04-23 Baxter International Inc. Colored esmolol concentrate
US8722736B2 (en) 2007-05-22 2014-05-13 Baxter International Inc. Multi-dose concentrate esmolol with benzyl alcohol
MX2010005862A (en) * 2007-11-30 2010-11-30 Endo Pharmaceuticals Solutions Compositions and methods for the treatment of bladder cancer.
JPWO2015137289A1 (en) * 2014-03-10 2017-04-06 国立大学法人 東京大学 Water-dispersible amorphous particles and method for preparing the same
CA3001722A1 (en) 2015-10-16 2017-04-20 Marinus Pharmaceuticals, Inc. Injectable neurosteroid formulations containing nanoparticles
KR20230050474A (en) 2016-08-11 2023-04-14 오비드 테라퓨틱스 인크. Methods and compositions for treatment of epileptic disorders
US10391105B2 (en) 2016-09-09 2019-08-27 Marinus Pharmaceuticals Inc. Methods of treating certain depressive disorders and delirium tremens
US11266662B2 (en) 2018-12-07 2022-03-08 Marinus Pharmaceuticals, Inc. Ganaxolone for use in prophylaxis and treatment of postpartum depression
EP4009982A4 (en) 2019-08-05 2023-08-09 Marinus Pharmaceuticals, Inc. Ganaxolone for use in treatment of status epilepticus
KR20220134529A (en) 2019-12-06 2022-10-05 마리누스 파마슈티컬스 인코포레이티드 Ganaxolone for use in the treatment of complex tuberous sclerosis

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899667A (en) * 1960-04-19 1962-06-27 Glaxo Lab Ltd Crystalline griseofulvin
EP0147767A2 (en) * 1983-12-30 1985-07-10 Hoechst Aktiengesellschaft Preparations of poorly water soluble anthelmintics, and process for making them
US4997454A (en) * 1984-05-21 1991-03-05 The University Of Rochester Method for making uniformly-sized particles from insoluble compounds

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887692A (en) * 1972-07-10 1975-06-03 Armour Pharma Microspherical basic aluminum halides and method of making same
DE2348334C2 (en) * 1973-09-26 1982-11-11 Boehringer Mannheim Gmbh, 6800 Mannheim New form of preparation of N-4- [2- (5-chloro-2-methoxybenzamido) ethyl] -phenyl-sulfonyl-N'-cyclohexylurea
US4606939A (en) * 1983-06-22 1986-08-19 The Ohio State University Research Foundation Small particle formation
US4670461A (en) * 1984-04-26 1987-06-02 The United States Of America As Represented By The Department Of Health And Human Services Formaldehyde derivatives of mitindomide
US4783484A (en) * 1984-10-05 1988-11-08 University Of Rochester Particulate composition and use thereof as antimicrobial agent

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB899667A (en) * 1960-04-19 1962-06-27 Glaxo Lab Ltd Crystalline griseofulvin
EP0147767A2 (en) * 1983-12-30 1985-07-10 Hoechst Aktiengesellschaft Preparations of poorly water soluble anthelmintics, and process for making them
US4997454A (en) * 1984-05-21 1991-03-05 The University Of Rochester Method for making uniformly-sized particles from insoluble compounds

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9203380A1 *

Also Published As

Publication number Publication date
PT80494B (en) 1987-08-19
JPS6227032A (en) 1987-02-05
KR930701346A (en) 1993-06-11
CA2089075A1 (en) 1992-02-22
EP0544657A1 (en) 1993-06-09
EP0169618A3 (en) 1988-07-27
PT80494A (en) 1985-11-22
EP0169618B1 (en) 1990-08-29
WO1992003380A1 (en) 1992-03-05
EP0169618A2 (en) 1986-01-29
AU579166B2 (en) 1988-11-17
AU4501285A (en) 1987-01-22
CA1282405C (en) 1991-04-02
JPH072209B2 (en) 1995-01-18
EP0169618B2 (en) 1993-11-10

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