US 2010/0168140 A1 · Easily Absorbable Oral Preparations of Xanthine Derivatives

Abstract

An object of the present invention is to provide an easily absorbable oral preparation containing a xanthine derivative or a pharmaceutically acceptable salt thereof and a fatty acid or a fatty acid derivative for the purpose of providing an easily absorbable oral preparation containing the xanthine derivative of which absorbability has been enhanced by dissolving the xanthine derivative that shows adenosine A1 receptor antagonistic activity and has diuretic activity, kidney-protecting activity, bronchodilating activity, cerebral function-improving activity, anti-dementia activity or the like in a solvent.

Claims13

Dependent claims

An easily absorbable oral preparation which comprises a xanthine derivative represented by formula (I):

(wherein R1 and R2 are the same or different and represent substituted or unsubstituted lower alkyl, and Q represents hydrogen or hydroxy) or a pharmaceutically acceptable salt thereof and a fatty acid or a fatty acid derivative.

Dependencies are inferred from the claim text.

Facts

Application

12/086,550Filed 14 Dec 2006

Priority

JP 2005-36061814 Dec 2005

Published

1 Jul 2010

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

A61K 9/1617
Excipients; Inactive ingredients: organic compounds, e.g. phospholipids, fats
A61K 9/0095
Galenical forms not covered by A61K9/02 - A61K9/7023: drinks; Beverages; Syrups; Compositions for reconstitution thereof, e.g. powders or tablets…
A61K 9/1611
Excipients; Inactive ingredients: inorganic compounds
A61K 9/1635
Organic macromolecular compounds: obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, polyacrylates

Easily Absorbable Oral Preparations of Xanthine Derivatives

Life of this patent

Easily Absorbable Oral Preparations of Xanthine Derivatives

Life of this patent

Abstract

Claims13