IT1256393B - Forme matriciali multistrato per il rilascio controllato di principi attivi - Google Patents

Forme matriciali multistrato per il rilascio controllato di principi attivi

Info

Publication number
IT1256393B
IT1256393B ITMI922617A ITMI922617A IT1256393B IT 1256393 B IT1256393 B IT 1256393B IT MI922617 A ITMI922617 A IT MI922617A IT MI922617 A ITMI922617 A IT MI922617A IT 1256393 B IT1256393 B IT 1256393B
Authority
IT
Italy
Prior art keywords
layer
active
active ingredients
controlled release
layer material
Prior art date
Application number
ITMI922617A
Other languages
English (en)
Inventor
Paolo Colombo
Giorgio Pifferi
Original Assignee
Inverni Della Beffa Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11364297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1256393(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inverni Della Beffa Spa filed Critical Inverni Della Beffa Spa
Priority to ITMI922617A priority Critical patent/IT1256393B/it
Publication of ITMI922617A0 publication Critical patent/ITMI922617A0/it
Priority to DK93118126T priority patent/DK0598309T3/da
Priority to DE69316715T priority patent/DE69316715T2/de
Priority to ES93118126T priority patent/ES2112946T3/es
Priority to AT93118126T priority patent/ATE162711T1/de
Priority to EP93118126A priority patent/EP0598309B1/en
Priority to US08/153,437 priority patent/US5549913A/en
Priority to JP28647593A priority patent/JP3496961B2/ja
Publication of ITMI922617A1 publication Critical patent/ITMI922617A1/it
Publication of IT1256393B publication Critical patent/IT1256393B/it
Application granted granted Critical
Priority to GR980400732T priority patent/GR3026546T3/el
Priority to JP2003345694A priority patent/JP2004107351A/ja

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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Networks Using Active Elements (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Cephalosporin Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Questa invenzione è relativa a forme di rilascio di principi attivi, in grado di liberare il/i principio/i attivo/i a velocità controllate in un fluido acquoso.Più in particolare, l'invenzione ha per oggetto una forma di somministrazione monolitica a rilascio controllato di principi attivi costituita da:a) almeno uno strato rigonfiabile comprendente uno o più principi attivi, in una matrice di polimeri idrofili rigonfiabili;b) almeno uno strato erodibile e/o solubile comprendente eccipienti e/o polimeri idrosolubili eventualmente contenente uno o più principi attivi uguali o diversi a quelli presenti nello strato a), detto strato erodibile e/o solubile essendo a contatto con lo strato o gli strati rigonfiabili a).
ITMI922617A 1992-11-17 1992-11-17 Forme matriciali multistrato per il rilascio controllato di principi attivi IT1256393B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ITMI922617A IT1256393B (it) 1992-11-17 1992-11-17 Forme matriciali multistrato per il rilascio controllato di principi attivi
EP93118126A EP0598309B1 (en) 1992-11-17 1993-11-09 Multilayer matrix systems for the controlled release of active principles
DK93118126T DK0598309T3 (da) 1992-11-17 1993-11-09 Flerlagsmatrixsystemer med styret frigivelse af virksomme stoffer
DE69316715T DE69316715T2 (de) 1992-11-17 1993-11-09 Mehrschichtige Matrixsysteme mit kontrollierter Wirkstoffabgabe
ES93118126T ES2112946T3 (es) 1992-11-17 1993-11-09 Sistemas de matriz multicapa para la liberacion controlada de principios activos.
AT93118126T ATE162711T1 (de) 1992-11-17 1993-11-09 Mehrschichtige matrixsysteme mit kontrollierter wirkstoffabgabe
US08/153,437 US5549913A (en) 1992-11-17 1993-11-16 Multilayer matrix systems for the controlled release of active principles
JP28647593A JP3496961B2 (ja) 1992-11-17 1993-11-16 有効成分を徐放するための多層マトリックス系
GR980400732T GR3026546T3 (en) 1992-11-17 1998-04-06 Multilayer matrix systems for the controlled release of active principles.
JP2003345694A JP2004107351A (ja) 1992-11-17 2003-10-03 有効成分を徐放するための多層マトリックス系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922617A IT1256393B (it) 1992-11-17 1992-11-17 Forme matriciali multistrato per il rilascio controllato di principi attivi

Publications (3)

Publication Number Publication Date
ITMI922617A0 ITMI922617A0 (it) 1992-11-17
ITMI922617A1 ITMI922617A1 (it) 1994-05-17
IT1256393B true IT1256393B (it) 1995-12-04

Family

ID=11364297

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI922617A IT1256393B (it) 1992-11-17 1992-11-17 Forme matriciali multistrato per il rilascio controllato di principi attivi

Country Status (9)

Country Link
US (1) US5549913A (it)
EP (1) EP0598309B1 (it)
JP (2) JP3496961B2 (it)
AT (1) ATE162711T1 (it)
DE (1) DE69316715T2 (it)
DK (1) DK0598309T3 (it)
ES (1) ES2112946T3 (it)
GR (1) GR3026546T3 (it)
IT (1) IT1256393B (it)

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DE19524753A1 (de) * 1995-07-07 1997-01-23 Lohmann Therapie Syst Lts Schichttablette zur kontrollierten Freisetzung von Wirkstoffen
US5783212A (en) * 1996-02-02 1998-07-21 Temple University--of the Commonwealth System of Higher Education Controlled release drug delivery system
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WO1998030208A1 (en) * 1997-01-10 1998-07-16 Abbott Laboratories Tablet for the controlled release of active agents
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US6337091B1 (en) * 1997-10-27 2002-01-08 Temple University - Of The Commonwealth System Of Higher Education Matrix for controlled delivery of highly soluble pharmaceutical agents
US6110500A (en) * 1998-03-25 2000-08-29 Temple University Coated tablet with long term parabolic and zero-order release kinetics
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BRPI0513909A (pt) * 2004-07-29 2008-05-20 Sanofi Aventis comprimido farmacêutico de camada múltipla para a liberação controlada de ingredientes ativos com solubilidade altamente dependente do ph
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Also Published As

Publication number Publication date
EP0598309A2 (en) 1994-05-25
ATE162711T1 (de) 1998-02-15
ITMI922617A0 (it) 1992-11-17
DK0598309T3 (da) 1998-09-21
ES2112946T3 (es) 1998-04-16
ITMI922617A1 (it) 1994-05-17
EP0598309A3 (en) 1994-06-01
JPH072649A (ja) 1995-01-06
JP3496961B2 (ja) 2004-02-16
DE69316715T2 (de) 1998-07-16
GR3026546T3 (en) 1998-07-31
US5549913A (en) 1996-08-27
JP2004107351A (ja) 2004-04-08
DE69316715D1 (de) 1998-03-05
EP0598309B1 (en) 1998-01-28

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971127