AU2229392A - Method for the preparation of prolonged-release oral pharmaceutical forms containing active substances having a solubility dependent upon the ph value - Google Patents

Method for the preparation of prolonged-release oral pharmaceutical forms containing active substances having a solubility dependent upon the ph value

Info

Publication number
AU2229392A
AU2229392A AU22293/92A AU2229392A AU2229392A AU 2229392 A AU2229392 A AU 2229392A AU 22293/92 A AU22293/92 A AU 22293/92A AU 2229392 A AU2229392 A AU 2229392A AU 2229392 A AU2229392 A AU 2229392A
Authority
AU
Australia
Prior art keywords
prolonged
preparation
value
active substances
containing active
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.)
Abandoned
Application number
AU22293/92A
Inventor
Ubaldo Conte
Paolo Giunchedi
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.)
Lc Pharchem Ltd
Original Assignee
Lc Pharchem 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 Lc Pharchem Ltd filed Critical Lc Pharchem Ltd
Publication of AU2229392A publication Critical patent/AU2229392A/en
Abandoned 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; 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
    • A61K9/14—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
    • A61K9/14—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
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • 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
    • A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Preparation (AREA)
AU22293/92A 1991-07-08 1992-07-03 Method for the preparation of prolonged-release oral pharmaceutical forms containing active substances having a solubility dependent upon the ph value Abandoned AU2229392A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI911880A IT1250654B (en) 1991-07-08 1991-07-08 METHOD FOR THE PREPARATION OF ORAL PHARMACEUTICAL FORMS WITH EXTENDED RELEASE CONTAINING ACTIVE SUBSTANCES SOLUBILITY DEPENDENT ON THE PH VALUE.
ITMI91A1880 1991-07-08
CN92111078.2A CN1082888A (en) 1991-07-08 1992-08-24 Be used to prepare and comprise the method for release oral pharmaceutical dosage form that its dissolubility depends on the active substance of pH value

Publications (1)

Publication Number Publication Date
AU2229392A true AU2229392A (en) 1993-02-11

Family

ID=36790863

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22293/92A Abandoned AU2229392A (en) 1991-07-08 1992-07-03 Method for the preparation of prolonged-release oral pharmaceutical forms containing active substances having a solubility dependent upon the ph value

Country Status (4)

Country Link
CN (1) CN1082888A (en)
AU (1) AU2229392A (en)
IT (1) IT1250654B (en)
WO (1) WO1993000889A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406424A1 (en) 1994-02-28 1995-08-31 Bayer Ag Expandable dosage forms
PL192270B1 (en) * 1998-03-19 2006-09-29 Merck & Co Inc Liquid polymeric compositions for controlled release of bioactive substances
EP1970052A2 (en) * 1999-02-09 2008-09-17 Pfizer Products Inc. Basic drug compositions with enhanced bioavailability
ES2310164T3 (en) * 1999-02-10 2009-01-01 Pfizer Products Inc. LIBERATION DEVICE CONTROLLED BY THE MATRIX.
ATE400252T1 (en) * 1999-02-10 2008-07-15 Pfizer Prod Inc PHARMACEUTICAL SOLID DISPERSIONS
US8895064B2 (en) 1999-06-14 2014-11-25 Cosmo Technologies Limited Controlled release and taste masking oral pharmaceutical composition
ATE251449T1 (en) 1999-06-14 2003-10-15 Cosmo Spa FLAVOR-MASKED ORAL PHARMACEUTICAL COMPOSITIONS WITH CONTROLLED DELIVERY
KR100540035B1 (en) * 2002-02-01 2005-12-29 주식회사 태평양 Multi-stage oral drug controlled-release system
EP1591107A1 (en) * 2004-04-28 2005-11-02 Pfizer GmbH Arzneimittelwerk Gödecke Process for the selective increase of a release rate of an active material from a pharmaceutical composition
US20070092559A1 (en) * 2005-10-24 2007-04-26 Jinghua Yuan Liquid dosage forms having enteric properties of delayed and then sustained release
ES2348157T3 (en) * 2006-12-15 2010-11-30 Campina Nederland Holding B.V. EXCIPIENT OF MODIFIED RELEASE AND ITS USE.
US10154964B2 (en) 2011-09-07 2018-12-18 Cosmo Technologies Limited Controlled release and taste masking oral pharmaceutical composition
KR102505099B1 (en) * 2019-03-28 2023-03-03 농업회사법인 보길바이오 주식회사 Method for capturing fine material using twisting and untwisting of biopolymer molecular structure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1467781A1 (en) * 1963-07-15 1968-12-05 Boehringer Sohn Ingelheim Process for the production of coated tablets with extended release of active ingredients
LU85058A1 (en) * 1983-10-24 1985-06-19 Pharlyse SUSTAINED-RELEASE PHARMACEUTICAL TABLETS, THEIR PREPARATION AND THEIR USE
JPS6124516A (en) * 1984-07-12 1986-02-03 Fujisawa Pharmaceut Co Ltd Long active tablet
JPS6248618A (en) * 1985-08-27 1987-03-03 Zeria Shinyaku Kogyo Kk Slow-releasing drug preparation and production thereof
EP0250374B1 (en) * 1986-06-17 1991-05-02 RECORDATI INDUSTRIA CHIMICA E FARMACEUTICA S.p.a. Therapeutic system for controlled release of drugs
GB8626098D0 (en) * 1986-10-31 1986-12-03 Euro Celtique Sa Controlled release hydromorphone composition
ZA881301B (en) * 1987-02-27 1989-10-25 Lilly Co Eli Sustained release matrix formulations

Also Published As

Publication number Publication date
CN1082888A (en) 1994-03-02
WO1993000889A1 (en) 1993-01-21
ITMI911880A1 (en) 1993-01-08
ITMI911880A0 (en) 1991-07-08
IT1250654B (en) 1995-04-21

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