EP1357898A4 - Improved controlled release oral dosage form - Google Patents

Improved controlled release oral dosage form

Info

Publication number
EP1357898A4
EP1357898A4 EP02723104A EP02723104A EP1357898A4 EP 1357898 A4 EP1357898 A4 EP 1357898A4 EP 02723104 A EP02723104 A EP 02723104A EP 02723104 A EP02723104 A EP 02723104A EP 1357898 A4 EP1357898 A4 EP 1357898A4
Authority
EP
European Patent Office
Prior art keywords
dosage form
controlled release
oral dosage
release oral
improved controlled
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.)
Withdrawn
Application number
EP02723104A
Other languages
German (de)
French (fr)
Other versions
EP1357898A2 (en
Inventor
Boyong Li
Chih-Ming Chen
Xiu Xiu Cheng
Avinash Nangia
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.)
Andrx Pharmaceuticals LLC
Original Assignee
Andrx Pharmaceuticals LLC
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 Andrx Pharmaceuticals LLC filed Critical Andrx Pharmaceuticals LLC
Publication of EP1357898A2 publication Critical patent/EP1357898A2/en
Publication of EP1357898A4 publication Critical patent/EP1357898A4/en
Withdrawn legal-status Critical Current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
    • A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings
    • A61K9/5078—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 having two or more different coatings optionally including drug-containing subcoatings with drug-free core
    • 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
    • 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
    • A61P25/24—Antidepressants
    • 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
    • A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/34—Tobacco-abuse

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Neurosurgery (AREA)
  • Neurology (AREA)
  • Psychiatry (AREA)
  • Epidemiology (AREA)
  • Addiction (AREA)
  • Pain & Pain Management (AREA)
  • Medicinal Preparation (AREA)
EP02723104A 2001-02-08 2002-02-08 Improved controlled release oral dosage form Withdrawn EP1357898A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US26745601P 2001-02-08 2001-02-08
US26745701P 2001-02-08 2001-02-08
US267456P 2001-02-08
US267457P 2001-02-08
PCT/US2002/003523 WO2002062299A2 (en) 2001-02-08 2002-02-08 Improved controlled release oral dosage form

Publications (2)

Publication Number Publication Date
EP1357898A2 EP1357898A2 (en) 2003-11-05
EP1357898A4 true EP1357898A4 (en) 2005-07-13

Family

ID=26952450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02723104A Withdrawn EP1357898A4 (en) 2001-02-08 2002-02-08 Improved controlled release oral dosage form

Country Status (3)

Country Link
EP (1) EP1357898A4 (en)
CA (3) CA2796884A1 (en)
WO (1) WO2002062299A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8545880B2 (en) 1999-02-26 2013-10-01 Andrx Pharmaceuticals, Llc Controlled release oral dosage form
CN101146521A (en) * 2005-03-14 2008-03-19 太阳医药高级研究有限公司 Oral drug delivery system supplying coatings containing cellulose and methyl propenoic acid deritives
CN101534795B (en) * 2006-11-21 2013-04-03 麦克内尔-Ppc股份有限公司 Modified release analgesic suspensions
US9833510B2 (en) 2007-06-12 2017-12-05 Johnson & Johnson Consumer Inc. Modified release solid or semi-solid dosage forms
KR20140069381A (en) * 2009-06-02 2014-06-10 다우 글로벌 테크놀로지스 엘엘씨 Sustained release dosage form
CN110200947A (en) * 2019-06-27 2019-09-06 深圳市泛谷药业股份有限公司 A kind of Bupropion enteric sustained-release pellet capsule and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000027370A1 (en) * 1998-11-06 2000-05-18 Andrx Pharmaceuticals, Inc. Controlled release formulation for water soluble drugs
WO2000050010A1 (en) * 1999-02-26 2000-08-31 Andrx Pharmaceuticals, Inc. Controlled release bupropion formulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG42869A1 (en) * 1992-08-05 1997-10-17 Faulding F H & Co Ltd Pelletised pharmaceutical composition
GB9217295D0 (en) * 1992-08-14 1992-09-30 Wellcome Found Controlled released tablets

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000027370A1 (en) * 1998-11-06 2000-05-18 Andrx Pharmaceuticals, Inc. Controlled release formulation for water soluble drugs
WO2000050010A1 (en) * 1999-02-26 2000-08-31 Andrx Pharmaceuticals, Inc. Controlled release bupropion formulation

Also Published As

Publication number Publication date
WO2002062299A2 (en) 2002-08-15
CA2796884A1 (en) 2002-08-15
CA2433915C (en) 2010-04-20
CA2433915A1 (en) 2002-08-15
EP1357898A2 (en) 2003-11-05
WO2002062299A3 (en) 2003-04-24
CA2685214C (en) 2013-01-22
CA2685214A1 (en) 2002-08-15

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030714

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

A4 Supplementary search report drawn up and despatched

Effective date: 20050601

RIC1 Information provided on ipc code assigned before grant

Ipc: 7A 61K 31/00 B

Ipc: 7A 61K 9/50 A

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20050818