ATE386509T1 - Formulierung von acetaminophen und tramadol mit verzögerter freisetzung - Google Patents

Formulierung von acetaminophen und tramadol mit verzögerter freisetzung

Info

Publication number
ATE386509T1
ATE386509T1 AT03750253T AT03750253T ATE386509T1 AT E386509 T1 ATE386509 T1 AT E386509T1 AT 03750253 T AT03750253 T AT 03750253T AT 03750253 T AT03750253 T AT 03750253T AT E386509 T1 ATE386509 T1 AT E386509T1
Authority
AT
Austria
Prior art keywords
total
sustained release
formulation
drug
acetaminophen
Prior art date
Application number
AT03750253T
Other languages
English (en)
Inventor
Shuyi Zhang
Jin Wang
Original Assignee
Shuyi Zhang
Jin Wang
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 Shuyi Zhang, Jin Wang filed Critical Shuyi Zhang
Application granted granted Critical
Publication of ATE386509T1 publication Critical patent/ATE386509T1/de

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
    • 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
    • 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
    • A61K31/16—Amides, e.g. hydroxamic acids
    • A61K31/165—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
    • A61K31/167—Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol
    • 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
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/485—Morphinan derivatives, e.g. morphine, codeine
    • 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
    • A61K9/4808—Preparations in capsules, e.g. of gelatin, of chocolate characterised by the form of the capsule or the structure of the filling; Capsules containing small tablets; Capsules with outer layer for immediate drug release
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • 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
    • A61K9/5084—Mixtures of one or more drugs in different galenical forms, at least one of which being granules, microcapsules or (coated) microparticles according to A61K9/16 or A61K9/50, e.g. for obtaining a specific release pattern or for combining different drugs
AT03750253T 2002-09-21 2003-09-19 Formulierung von acetaminophen und tramadol mit verzögerter freisetzung ATE386509T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41249902P 2002-09-21 2002-09-21

Publications (1)

Publication Number Publication Date
ATE386509T1 true ATE386509T1 (de) 2008-03-15

Family

ID=32030889

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03750253T ATE386509T1 (de) 2002-09-21 2003-09-19 Formulierung von acetaminophen und tramadol mit verzögerter freisetzung

Country Status (6)

Country Link
US (1) US7374781B2 (de)
EP (1) EP1555022B1 (de)
AT (1) ATE386509T1 (de)
AU (1) AU2003271024A1 (de)
DE (1) DE60319252T2 (de)
WO (1) WO2004026308A1 (de)

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US20060172006A1 (en) * 2003-10-10 2006-08-03 Vincent Lenaerts Sustained-release tramadol formulations with 24-hour clinical efficacy
US20050095299A1 (en) * 2003-10-30 2005-05-05 Wynn David W. Controlled release analgesic suspensions
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DE102005005449A1 (de) 2005-02-04 2006-08-10 Grünenthal GmbH Verfahren zur Herstellung einer gegen Missbrauch gesicherten Darreichungsform
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Also Published As

Publication number Publication date
AU2003271024A1 (en) 2004-04-08
DE60319252D1 (de) 2008-04-03
WO2004026308A1 (fr) 2004-04-01
EP1555022B1 (de) 2008-02-20
US7374781B2 (en) 2008-05-20
EP1555022A1 (de) 2005-07-20
DE60319252T2 (de) 2009-03-05
EP1555022A4 (de) 2006-03-15
US20040131671A1 (en) 2004-07-08

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Legal Events

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