GR3019751T3 - Sustained release formulations of acetazolamide - Google Patents

Sustained release formulations of acetazolamide

Info

Publication number
GR3019751T3
GR3019751T3 GR960401148T GR960401148T GR3019751T3 GR 3019751 T3 GR3019751 T3 GR 3019751T3 GR 960401148 T GR960401148 T GR 960401148T GR 960401148 T GR960401148 T GR 960401148T GR 3019751 T3 GR3019751 T3 GR 3019751T3
Authority
GR
Greece
Prior art keywords
acetazolamide
sustained release
release formulations
drug
release
Prior art date
Application number
GR960401148T
Other languages
English (en)
Inventor
Nicholas Ian Payne
David Parker
Angela Catherine Potts
Laurence Charles Staines
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of GR3019751T3 publication Critical patent/GR3019751T3/el

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
    • A61K9/14—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
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425—Thiazoles
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
GR960401148T 1991-06-11 1996-04-24 Sustained release formulations of acetazolamide GR3019751T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9112495A GB2256587A (en) 1991-06-11 1991-06-11 Acetazolamide in sustained release form

Publications (1)

Publication Number Publication Date
GR3019751T3 true GR3019751T3 (en) 1996-07-31

Family

ID=10696429

Family Applications (1)

Application Number Title Priority Date Filing Date
GR960401148T GR3019751T3 (en) 1991-06-11 1996-04-24 Sustained release formulations of acetazolamide

Country Status (11)

Country Link
EP (1) EP0540813B1 (el)
AT (1) ATE135568T1 (el)
CA (1) CA2070877C (el)
DE (1) DE69209228T2 (el)
DK (1) DK0540813T3 (el)
ES (1) ES2086576T3 (el)
FI (1) FI101855B1 (el)
GB (1) GB2256587A (el)
GR (1) GR3019751T3 (el)
NO (1) NO922282L (el)
ZA (1) ZA924242B (el)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2168043B1 (es) * 1999-09-13 2003-04-01 Esteve Labor Dr Forma farmaceutica solida oral de liberacion modificada que contiene un compuesto de bencimidazol labil en medio acido.
AR036797A1 (es) 2001-10-15 2004-10-06 Ferring Bv Un metodo para preparar una composicion farmaceutica que comprende acido 5-aminosalicilico para utilizar en el tratamiento de colitis ulcerosa y enfermedades de crohn
EP1615619A2 (en) 2003-04-23 2006-01-18 Ferring B.V. Sachet for a pharmaceutical composition
EP1547601A1 (en) 2003-12-23 2005-06-29 Ferring B.V. Coating method
RU2009137946A (ru) 2007-03-15 2011-04-20 Шеринг Корпорейшн (US) Производные пиридазинона для применения в качестве ингибиторов глюкансинтазы
CN102949377B (zh) * 2012-11-28 2015-05-27 河南中帅医药科技股份有限公司 乙酰唑胺缓释胶囊及其制备方法
CN106822015A (zh) * 2017-03-27 2017-06-13 华益药业科技(安徽)有限公司 乙酰唑胺缓释片及其制备方法
CN113855648B (zh) * 2021-12-03 2022-02-25 北京联嘉医药科技开发有限公司 一种乙酰唑胺缓释胶囊及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671633A (en) * 1971-05-10 1972-06-20 American Cyanamid Co Process for tabletting acetazolamide
US4305927A (en) * 1979-02-05 1981-12-15 Alza Corporation Method for the management of intraocular pressure
GB2135879B (en) * 1983-03-07 1986-05-21 Ciba Geigy Ag Pharmaceutical preparations with uniform elution properties
GB8524001D0 (en) * 1985-09-30 1985-11-06 Glaxo Group Ltd Pharmaceutical composition
EP0418597A3 (en) * 1989-09-21 1991-11-27 American Cyanamid Company Controlled release carbonic anhydrase inhibitor containing pharmaceutical compositions from spherical granules in capsule oral dosage unit form

Also Published As

Publication number Publication date
FI922698A (fi) 1992-12-12
CA2070877A1 (en) 1992-12-12
ZA924242B (en) 1993-03-31
GB2256587A (en) 1992-12-16
CA2070877C (en) 2003-02-11
NO922282D0 (no) 1992-06-10
GB9112495D0 (en) 1991-07-31
NO922282L (no) 1992-12-14
EP0540813B1 (en) 1996-03-20
FI922698A0 (fi) 1992-06-10
DE69209228D1 (de) 1996-04-25
ES2086576T3 (es) 1996-07-01
FI101855B (fi) 1998-09-15
DE69209228T2 (de) 1996-11-21
ATE135568T1 (de) 1996-04-15
DK0540813T3 (da) 1996-07-22
EP0540813A1 (en) 1993-05-12
FI101855B1 (fi) 1998-09-15

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