ES2086576T3 - Formulaciones de liberacion sostenida de acetazolamida. - Google Patents

Formulaciones de liberacion sostenida de acetazolamida.

Info

Publication number
ES2086576T3
ES2086576T3 ES92108329T ES92108329T ES2086576T3 ES 2086576 T3 ES2086576 T3 ES 2086576T3 ES 92108329 T ES92108329 T ES 92108329T ES 92108329 T ES92108329 T ES 92108329T ES 2086576 T3 ES2086576 T3 ES 2086576T3
Authority
ES
Spain
Prior art keywords
acetazolamide
sustained release
release formulations
glaucomas
ballots
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.)
Expired - Lifetime
Application number
ES92108329T
Other languages
English (en)
Inventor
Nicholas Ian Payne
David Parker
Angela Catherine Potts
Laurence Charles Staines
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.)
Wyeth Holdings LLC
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
Application granted granted Critical
Publication of ES2086576T3 publication Critical patent/ES2086576T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (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)

Abstract

UNA FORMULACION DE LIBERACION SOSTENIDA DE UN MEDICAMENTO DE ACETAZOLAMIDA CONTRA LOS GLAUCOMAS CON UNAS CARACTERISTICAS DE LIBERACION MEJORADAS QUE CONSTA SUSTANCIALMENTE DE BOLITAS DEL MEDICAMENTO, ESENCIALMENTE SIN UN AGLUTINANTE, SUSTANCIALMENTE ESFERICAS REVESTIDAS CON UNA MEMBRANA CONTROLADORA DE LA LIBERACION.
ES92108329T 1991-06-11 1992-05-18 Formulaciones de liberacion sostenida de acetazolamida. Expired - Lifetime ES2086576T3 (es)

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
ES2086576T3 true ES2086576T3 (es) 1996-07-01

Family

ID=10696429

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92108329T Expired - Lifetime ES2086576T3 (es) 1991-06-11 1992-05-18 Formulaciones de liberacion sostenida de acetazolamida.

Country Status (11)

Country Link
EP (1) EP0540813B1 (es)
AT (1) ATE135568T1 (es)
CA (1) CA2070877C (es)
DE (1) DE69209228T2 (es)
DK (1) DK0540813T3 (es)
ES (1) ES2086576T3 (es)
FI (1) FI101855B (es)
GB (1) GB2256587A (es)
GR (1) GR3019751T3 (es)
NO (1) NO922282L (es)
ZA (1) ZA924242B (es)

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
WO2004093883A2 (en) 2003-04-23 2004-11-04 Ferring B.V. Sachet for a pharmaceutical composition
EP1547601A1 (en) * 2003-12-23 2005-06-29 Ferring B.V. Coating method
CN101730692A (zh) 2007-03-15 2010-06-09 先灵公司 用作葡聚糖合成酶抑制剂的哒嗪酮衍生物
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
ZA924242B (en) 1993-03-31
NO922282D0 (no) 1992-06-10
CA2070877C (en) 2003-02-11
EP0540813A1 (en) 1993-05-12
DE69209228T2 (de) 1996-11-21
DE69209228D1 (de) 1996-04-25
FI922698A0 (fi) 1992-06-10
FI101855B1 (fi) 1998-09-15
GB2256587A (en) 1992-12-16
GB9112495D0 (en) 1991-07-31
GR3019751T3 (en) 1996-07-31
FI101855B (fi) 1998-09-15
DK0540813T3 (da) 1996-07-22
FI922698L (fi) 1992-12-12
ATE135568T1 (de) 1996-04-15
CA2070877A1 (en) 1992-12-12
NO922282L (no) 1992-12-14
EP0540813B1 (en) 1996-03-20

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