CA2104686A1 - Delayed Release Oral Dosage Forms for Treatment of Intestinal Disorders - Google Patents

Delayed Release Oral Dosage Forms for Treatment of Intestinal Disorders

Info

Publication number
CA2104686A1
CA2104686A1 CA2104686A CA2104686A CA2104686A1 CA 2104686 A1 CA2104686 A1 CA 2104686A1 CA 2104686 A CA2104686 A CA 2104686A CA 2104686 A CA2104686 A CA 2104686A CA 2104686 A1 CA2104686 A1 CA 2104686A1
Authority
CA
Canada
Prior art keywords
granules
drug
treatment
coated
dosage forms
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
CA2104686A
Other languages
French (fr)
Other versions
CA2104686C (en
Inventor
John Rhodes
Brian Kenneth Evans
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2104686A1 publication Critical patent/CA2104686A1/en
Application granted granted Critical
Publication of CA2104686C publication Critical patent/CA2104686C/en
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
    • A61K9/48—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
    • 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
    • A61K9/4891—Coated capsules; Multilayered drug free capsule shells
    • 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
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/415—1,2-Diazoles
    • 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
    • A61K31/65—Tetracyclines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/24—Heavy metals; Compounds thereof
    • A61K33/245—Bismuth; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/52—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an inorganic compound, e.g. an inorganic ion that is complexed with the active ingredient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
    • A61K47/58—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. poly[meth]acrylate, polyacrylamide, polystyrene, polyvinylpyrrolidone, polyvinylalcohol or polystyrene sulfonic acid resin
    • 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
    • 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants

Abstract

An orally administrable pharmaceutical dosage form for selectively administering a drug to the intestine comprises a plurality of enteric coated granules of the drug contained in an enterically coated capsule which releases the granules in the small intestine. The granules are preferably coated with a coating which remains intact until the coated granules reach at least the ileum and thereafter provide a sustained release of the drug in the colon. Suitable coating materials are selected from the Eudragit range of (meth)acrylate and (meth)acrylic acid polymers. The invention has particular application to topically active drugs such as topically active steroids, bismuth salts and complexes, and especially, 5-amino-salicylic acid.
CA002104686A 1991-02-22 1992-02-21 Delayed release oral dosage forms for treatment of intestinal disorders Expired - Lifetime CA2104686C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9103795.2 1991-02-22
GB9103795A GB2253346A (en) 1991-02-22 1991-02-22 Delayed release oral dosage forms for treatment of intestinal disorders
PCT/GB1992/000318 WO1992014452A1 (en) 1991-02-22 1992-02-21 Delayed release oral dosage forms for treatment of intestinal disorders

Publications (2)

Publication Number Publication Date
CA2104686A1 true CA2104686A1 (en) 1992-08-23
CA2104686C CA2104686C (en) 2000-05-02

Family

ID=10690451

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002104686A Expired - Lifetime CA2104686C (en) 1991-02-22 1992-02-21 Delayed release oral dosage forms for treatment of intestinal disorders

Country Status (23)

Country Link
US (1) US5401512A (en)
EP (1) EP0572486B1 (en)
JP (1) JP2958116B2 (en)
KR (1) KR100220322B1 (en)
AT (1) ATE129893T1 (en)
AU (1) AU652032B2 (en)
CA (1) CA2104686C (en)
CZ (1) CZ281792B6 (en)
DE (1) DE69205971T2 (en)
DK (1) DK0572486T3 (en)
ES (1) ES2079183T3 (en)
FI (1) FI105255B (en)
GB (1) GB2253346A (en)
GE (1) GEP19971086B (en)
GR (1) GR3018455T3 (en)
HU (1) HU219449B (en)
IE (1) IE74225B1 (en)
IL (1) IL101036A (en)
IN (1) IN179089B (en)
NO (1) NO307405B1 (en)
NZ (1) NZ241687A (en)
WO (1) WO1992014452A1 (en)
YU (1) YU17892A (en)

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Also Published As

Publication number Publication date
FI933680A0 (en) 1993-08-20
IE74225B1 (en) 1997-07-16
DE69205971T2 (en) 1996-04-11
NO307405B1 (en) 2000-04-03
AU652032B2 (en) 1994-08-11
ATE129893T1 (en) 1995-11-15
GR3018455T3 (en) 1996-03-31
CZ162693A3 (en) 1994-10-19
FI933680A (en) 1993-08-20
HUT65914A (en) 1994-07-28
GB2253346A (en) 1992-09-09
IL101036A0 (en) 1992-11-15
ES2079183T3 (en) 1996-01-01
GB9103795D0 (en) 1991-04-10
DE69205971D1 (en) 1995-12-14
DK0572486T3 (en) 1995-12-11
HU9302379D0 (en) 1993-11-29
WO1992014452A1 (en) 1992-09-03
JP2958116B2 (en) 1999-10-06
US5401512A (en) 1995-03-28
CA2104686C (en) 2000-05-02
KR100220322B1 (en) 1999-09-15
IE920548A1 (en) 1992-08-26
IL101036A (en) 1996-05-14
GEP19971086B (en) 1997-12-02
KR930702963A (en) 1993-11-29
NO932979L (en) 1993-08-20
AU1279592A (en) 1992-09-15
EP0572486A1 (en) 1993-12-08
JPH06505246A (en) 1994-06-16
NZ241687A (en) 1993-09-27
EP0572486B1 (en) 1995-11-08
YU17892A (en) 1994-12-28
HU219449B (en) 2001-04-28
IN179089B (en) 1997-08-23
FI105255B (en) 2000-07-14
CZ281792B6 (en) 1997-01-15
NO932979D0 (en) 1993-08-20

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