ZA984379B - Gastroretentive controlled release microspheres for improved drug delivery. - Google Patents

Gastroretentive controlled release microspheres for improved drug delivery.

Info

Publication number
ZA984379B
ZA984379B ZA9804379A ZA984379A ZA984379B ZA 984379 B ZA984379 B ZA 984379B ZA 9804379 A ZA9804379 A ZA 9804379A ZA 984379 A ZA984379 A ZA 984379A ZA 984379 B ZA984379 B ZA 984379B
Authority
ZA
South Africa
Prior art keywords
drug delivery
controlled release
improved drug
release microspheres
gastroretentive controlled
Prior art date
Application number
ZA9804379A
Other languages
English (en)
Inventor
Lisbeth Illum
He Ping
Original Assignee
West Pharm Serv Drug Res Ltd
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 West Pharm Serv Drug Res Ltd filed Critical West Pharm Serv Drug Res Ltd
Publication of ZA984379B publication Critical patent/ZA984379B/xx

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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • 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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0065—Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
    • 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
    • A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents

Landscapes

  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Physiology (AREA)
  • Nutrition Science (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
ZA9804379A 1997-05-24 1998-05-22 Gastroretentive controlled release microspheres for improved drug delivery. ZA984379B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9710699.1A GB9710699D0 (en) 1997-05-24 1997-05-24 Gastro-retentive controlled release system

Publications (1)

Publication Number Publication Date
ZA984379B true ZA984379B (en) 1999-11-22

Family

ID=10812970

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9804379A ZA984379B (en) 1997-05-24 1998-05-22 Gastroretentive controlled release microspheres for improved drug delivery.

Country Status (22)

Country Link
US (1) US6207197B1 (xx)
EP (1) EP0984774B1 (xx)
JP (1) JP2001525848A (xx)
KR (1) KR20010012857A (xx)
CN (1) CN1257425A (xx)
AR (1) AR012854A1 (xx)
AT (1) ATE270880T1 (xx)
AU (1) AU737818B2 (xx)
BR (1) BR9809453A (xx)
CA (1) CA2285580A1 (xx)
DE (1) DE69825049T2 (xx)
ES (1) ES2226137T3 (xx)
GB (2) GB9710699D0 (xx)
HU (1) HUP0002935A3 (xx)
IL (1) IL132453A0 (xx)
NO (1) NO995753D0 (xx)
NZ (1) NZ338105A (xx)
PL (1) PL336037A1 (xx)
PT (1) PT984774E (xx)
SK (1) SK148999A3 (xx)
WO (1) WO1998052547A1 (xx)
ZA (1) ZA984379B (xx)

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Also Published As

Publication number Publication date
AR012854A1 (es) 2000-11-22
IL132453A0 (en) 2001-03-19
AU737818B2 (en) 2001-08-30
WO1998052547A1 (en) 1998-11-26
NO995753L (no) 1999-11-24
ATE270880T1 (de) 2004-07-15
HUP0002935A2 (hu) 2000-12-28
EP0984774A1 (en) 2000-03-15
CA2285580A1 (en) 1998-11-26
GB2341550A (en) 2000-03-22
SK148999A3 (en) 2000-07-11
BR9809453A (pt) 2000-06-20
GB2341550B (en) 2002-01-09
AU7664298A (en) 1998-12-11
PT984774E (pt) 2004-11-30
PL336037A1 (en) 2000-06-05
GB9710699D0 (en) 1997-07-16
CN1257425A (zh) 2000-06-21
NO995753D0 (no) 1999-11-24
DE69825049T2 (de) 2005-07-21
JP2001525848A (ja) 2001-12-11
KR20010012857A (ko) 2001-02-26
NZ338105A (en) 2001-04-27
HUP0002935A3 (en) 2001-04-28
EP0984774B1 (en) 2004-07-14
ES2226137T3 (es) 2005-03-16
GB9926405D0 (en) 2000-01-12
DE69825049D1 (de) 2004-08-19
US6207197B1 (en) 2001-03-27

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