DE68920578T2 - Verschiedenartige Zelluloseether enthaltende, oral verabreichbare Arzneimittelformen mit gesteuerter Wirkstofffreigabe. - Google Patents

Verschiedenartige Zelluloseether enthaltende, oral verabreichbare Arzneimittelformen mit gesteuerter Wirkstofffreigabe.

Info

Publication number
DE68920578T2
DE68920578T2 DE68920578T DE68920578T DE68920578T2 DE 68920578 T2 DE68920578 T2 DE 68920578T2 DE 68920578 T DE68920578 T DE 68920578T DE 68920578 T DE68920578 T DE 68920578T DE 68920578 T2 DE68920578 T2 DE 68920578T2
Authority
DE
Germany
Prior art keywords
containing controlled
active ingredients
cellulose ether
oral forms
controlled release
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
DE68920578T
Other languages
English (en)
Other versions
DE68920578D1 (de
Inventor
David Emil Edgren
Judy A Magruder
Gurdish Kaur Bhatti
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.)
Alza Corp
Original Assignee
Alza Corp
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 Alza Corp filed Critical Alza Corp
Publication of DE68920578D1 publication Critical patent/DE68920578D1/de
Application granted granted Critical
Publication of DE68920578T2 publication Critical patent/DE68920578T2/de
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
    • A61K9/20—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
    • A61K9/2086—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
DE68920578T 1987-04-06 1989-08-14 Verschiedenartige Zelluloseether enthaltende, oral verabreichbare Arzneimittelformen mit gesteuerter Wirkstofffreigabe. Expired - Lifetime DE68920578T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/034,971 US4786503A (en) 1987-04-06 1987-04-06 Dosage form comprising parallel lamine
US07/039,405 US4871548A (en) 1987-04-06 1987-04-17 Controlled release dosage form comprising different cellulose ethers

Publications (2)

Publication Number Publication Date
DE68920578D1 DE68920578D1 (de) 1995-02-23
DE68920578T2 true DE68920578T2 (de) 1995-05-04

Family

ID=39967167

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3811114A Expired - Lifetime DE3811114C2 (de) 1987-04-06 1988-03-31 Zweischichtige Dosierungsform zur Abgabe eines Wirkstoffs
DE68920578T Expired - Lifetime DE68920578T2 (de) 1987-04-06 1989-08-14 Verschiedenartige Zelluloseether enthaltende, oral verabreichbare Arzneimittelformen mit gesteuerter Wirkstofffreigabe.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3811114A Expired - Lifetime DE3811114C2 (de) 1987-04-06 1988-03-31 Zweischichtige Dosierungsform zur Abgabe eines Wirkstoffs

Country Status (21)

Country Link
US (3) US4786503A (de)
EP (1) EP0413061B1 (de)
JP (2) JP2916147B2 (de)
KR (1) KR950003918B1 (de)
AT (1) ATE116844T1 (de)
AU (1) AU601033B2 (de)
BE (1) BE1001699A3 (de)
CA (1) CA1331739C (de)
CH (1) CH677447A5 (de)
DE (2) DE3811114C2 (de)
ES (2) ES2006394A6 (de)
FR (1) FR2613224B1 (de)
GB (1) GB2203338B (de)
GR (1) GR1000053B (de)
IE (1) IE67156B1 (de)
IT (1) IT1219750B (de)
LU (1) LU87189A1 (de)
NL (1) NL8800867A (de)
PT (1) PT91442B (de)
SE (1) SE503611C2 (de)
ZA (1) ZA882034B (de)

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US4871548A (en) 1989-10-03
JPS63258808A (ja) 1988-10-26
LU87189A1 (fr) 1988-11-17
IE67156B1 (en) 1996-03-06
FR2613224A1 (fr) 1988-10-07
GR1000053B (el) 1990-05-11
AU1406588A (en) 1988-10-06
US4786503A (en) 1988-11-22
KR950003918B1 (ko) 1995-04-20
SE8801240D0 (sv) 1988-04-05
IT8867302A0 (it) 1988-04-05
NL8800867A (nl) 1988-11-01
JPH0776181B2 (ja) 1995-08-16
DE68920578D1 (de) 1995-02-23
BE1001699A3 (fr) 1990-02-13
EP0413061A1 (de) 1991-02-20
GB2203338A (en) 1988-10-19
CH677447A5 (de) 1991-05-31
IE892845A1 (en) 1991-03-13
DE3811114C2 (de) 1996-05-30
PT91442B (pt) 1995-07-06
CA1331739C (en) 1994-08-30
ATE116844T1 (de) 1995-01-15
GB8807493D0 (en) 1988-05-05
SE8801240L (sv) 1988-10-07
IT1219750B (it) 1990-05-24
AU601033B2 (en) 1990-08-30
JP2916147B2 (ja) 1999-07-05
ES2069588T3 (es) 1995-05-16
SE503611C2 (sv) 1996-07-15
FR2613224B1 (fr) 1990-12-07
PT91442A (pt) 1990-03-08
US4946685A (en) 1990-08-07
ES2006394A6 (es) 1989-04-16
KR880012212A (ko) 1988-11-26
GR880100214A (en) 1989-01-31
GB2203338B (en) 1991-07-17
DE3811114A1 (de) 1988-11-10
ZA882034B (en) 1988-09-15
JPH0393731A (ja) 1991-04-18
EP0413061B1 (de) 1995-01-11

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