ATE328586T1 - Formulierung mit gesteuerter freisetzung für wasserlöslische arzneistoffe, in der eine auslauföffnung in situ gebildet wird - Google Patents

Formulierung mit gesteuerter freisetzung für wasserlöslische arzneistoffe, in der eine auslauföffnung in situ gebildet wird

Info

Publication number
ATE328586T1
ATE328586T1 AT96908796T AT96908796T ATE328586T1 AT E328586 T1 ATE328586 T1 AT E328586T1 AT 96908796 T AT96908796 T AT 96908796T AT 96908796 T AT96908796 T AT 96908796T AT E328586 T1 ATE328586 T1 AT E328586T1
Authority
AT
Austria
Prior art keywords
water soluble
medicament
coating layer
controlled release
pharmaceutically acceptable
Prior art date
Application number
AT96908796T
Other languages
English (en)
Inventor
Chih-Ming Chen
Der-Yang Lee
Original Assignee
Andrx Pharmaceuticals Inc
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 Andrx Pharmaceuticals Inc filed Critical Andrx Pharmaceuticals Inc
Application granted granted Critical
Publication of ATE328586T1 publication Critical patent/ATE328586T1/de

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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
    • A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/13—Amines
    • A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
    • A61K31/137—Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
    • 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
    • A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
    • A61K9/0004—Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
    • 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
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • 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
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/24—Antidepressants

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Emergency Medicine (AREA)
  • Pain & Pain Management (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Psychiatry (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT96908796T 1995-04-28 1996-03-13 Formulierung mit gesteuerter freisetzung für wasserlöslische arzneistoffe, in der eine auslauföffnung in situ gebildet wird ATE328586T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/431,404 US5558879A (en) 1995-04-28 1995-04-28 Controlled release formulation for water soluble drugs in which a passageway is formed in situ

Publications (1)

Publication Number Publication Date
ATE328586T1 true ATE328586T1 (de) 2006-06-15

Family

ID=23711795

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96908796T ATE328586T1 (de) 1995-04-28 1996-03-13 Formulierung mit gesteuerter freisetzung für wasserlöslische arzneistoffe, in der eine auslauföffnung in situ gebildet wird

Country Status (11)

Country Link
US (1) US5558879A (de)
EP (1) EP0822809B1 (de)
JP (1) JPH11511115A (de)
CN (1) CN1090017C (de)
AT (1) ATE328586T1 (de)
AU (1) AU695713B2 (de)
CA (1) CA2217226C (de)
DE (1) DE69636223T2 (de)
ES (1) ES2267107T3 (de)
NZ (1) NZ304661A (de)
WO (1) WO1996033700A1 (de)

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US5916595A (en) * 1997-12-12 1999-06-29 Andrx Pharmaceutials, Inc. HMG co-reductase inhibitor
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Also Published As

Publication number Publication date
CN1090017C (zh) 2002-09-04
DE69636223D1 (de) 2006-07-20
EP0822809A4 (de) 1999-07-07
CA2217226C (en) 2006-05-30
EP0822809A1 (de) 1998-02-11
CN1182363A (zh) 1998-05-20
NZ304661A (en) 1998-06-26
AU695713B2 (en) 1998-08-20
CA2217226A1 (en) 1996-10-31
WO1996033700A1 (en) 1996-10-31
EP0822809B1 (de) 2006-06-07
AU5251896A (en) 1996-11-18
JPH11511115A (ja) 1999-09-28
DE69636223T2 (de) 2007-04-19
ES2267107T3 (es) 2007-03-01
US5558879A (en) 1996-09-24

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