Compositions and dosage forms for enhanced absorption of gabapentin and pregabalin

Details for Australian Patent Application No. 2004285535 (hide)

Owner Alza Corporation

Inventors Yan, Dong; Wong, Patrick S. L.; Guittard, George V.

Agent Shelston IP

Pub. Number AU-A-2004285535

PCT Pub. Number WO2005/041927

Priority 60/519,509 12.11.03 US; 60/516,259 31.10.03 US

Filing date 29 October 2004

Wipo publication date 12 May 2005

International Classifications

A61K 31/155 (2006.01) - Amidines (), e.g. guanidine (HNC(NH)NH), isourea (HNC(OH)NH), isothiourea (HNC(SH)NH)

A61K 9/00 (2006.01) Medicinal preparations characterised by special physical form

A61K 9/20 (2006.01) Medicinal preparations characterised by special physical form - Pills, lozenges or tablets

A61K 31/185 (2006.01) - Acids

A61K 31/197 (2006.01)

A61K 31/198 (2006.01)

A61K 31/20 (2006.01)

A61K 31/66 (2006.01) - Phosphorus compounds

A61K 33/26 (2006.01) Medicinal preparations containing inorganic active ingredients - Iron

C07C 53/126 (2006.01) Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen

C07C 229/08 (2006.01) Compounds containing amino and carboxyl groups bound to the same carbon skeleton

C07C 229/28 (2006.01) Compounds containing amino and carboxyl groups bound to the same carbon skeleton

C07C 229/34 (2006.01) Compounds containing amino and carboxyl groups bound to the same carbon skeleton

C07C 279/00 (2006.01) Derivatives of guanidine, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups

Event Publications

18 May 2006 PCT application entered the National Phase

  PCT publication WO2005/041927 Priority application(s): WO2005/041927

7 August 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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