CA2231195A1 - Sustained release matrix for high-dose insoluble drugs - Google Patents

Sustained release matrix for high-dose insoluble drugs

Info

Publication number
CA2231195A1
CA2231195A1 CA002231195A CA2231195A CA2231195A1 CA 2231195 A1 CA2231195 A1 CA 2231195A1 CA 002231195 A CA002231195 A CA 002231195A CA 2231195 A CA2231195 A CA 2231195A CA 2231195 A1 CA2231195 A1 CA 2231195A1
Authority
CA
Canada
Prior art keywords
sustained release
insoluble drugs
release matrix
dose
dose insoluble
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.)
Granted
Application number
CA002231195A
Other languages
French (fr)
Other versions
CA2231195C (en
Inventor
Anand R. Baichwal
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.)
Penwest Pharmaceuticals Co
Original Assignee
Edward Mendell Co., Inc.
Anand R. Baichwal
Penwest Pharmaceuticals 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 Edward Mendell Co., Inc., Anand R. Baichwal, Penwest Pharmaceuticals Co. filed Critical Edward Mendell Co., Inc.
Publication of CA2231195A1 publication Critical patent/CA2231195A1/en
Application granted granted Critical
Publication of CA2231195C publication Critical patent/CA2231195C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • 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
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid 
    • 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
    • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19—Carboxylic acids, e.g. valproic acid
    • A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
    • A61K31/196—Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
    • 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
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]

Abstract

Sustained release dosage forms of high dose insoluble drugs such as ibuprofen and methods for their manufacture are disclosed.
CA002231195A 1996-07-08 1997-07-08 Sustained release matrix for high-dose insoluble drugs Expired - Fee Related CA2231195C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2133596P 1996-07-08 1996-07-08
US60/021,335 1996-07-08
PCT/US1997/013331 WO1998001117A1 (en) 1996-07-08 1997-07-08 Sustained release matrix for high-dose insoluble drugs

Publications (2)

Publication Number Publication Date
CA2231195A1 true CA2231195A1 (en) 1998-01-15
CA2231195C CA2231195C (en) 2003-01-21

Family

ID=21803631

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002231195A Expired - Fee Related CA2231195C (en) 1996-07-08 1997-07-08 Sustained release matrix for high-dose insoluble drugs

Country Status (12)

Country Link
US (4) US6093420A (en)
EP (1) EP0859603B1 (en)
JP (1) JP3148256B2 (en)
KR (1) KR100321489B1 (en)
AT (1) ATE417604T1 (en)
AU (1) AU695734B2 (en)
CA (1) CA2231195C (en)
DE (1) DE69739165D1 (en)
ES (1) ES2322405T3 (en)
IL (1) IL123505A (en)
MX (1) MX9801835A (en)
WO (1) WO1998001117A1 (en)

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AU3818397A (en) 1998-02-02
MX9801835A (en) 1998-08-30
US20010021392A1 (en) 2001-09-13
AU695734B2 (en) 1998-08-20
US6093420A (en) 2000-07-25
JPH10511407A (en) 1998-11-04
EP0859603B1 (en) 2008-12-17
CA2231195C (en) 2003-01-21
KR19990044486A (en) 1999-06-25
EP0859603A4 (en) 2006-05-24
ATE417604T1 (en) 2009-01-15
IL123505A0 (en) 1998-10-30
IL123505A (en) 2004-12-15
KR100321489B1 (en) 2002-10-09
ES2322405T3 (en) 2009-06-19
DE69739165D1 (en) 2009-01-29
US20040121012A1 (en) 2004-06-24
US6245355B1 (en) 2001-06-12
EP0859603A1 (en) 1998-08-26
US6689386B2 (en) 2004-02-10

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