Patent ID: 7067618
Filing Date: 2006-06-27
Classification: A61K

Abstract:
1. A pharmaceutical preparation comprising a compound (I), which is obtained by reacting a peptide (II) having a free amino group, with a sugar (III) having reducing power and selected from group A, wherein said peptide is a pharmaceutical compound, wherein group A consists of lactose, sialyllactose and compounds prepared by chemically binding a polymer from the group consisting of polyoxyethylene, polyglutamic acid and polyvinylpyrrolidone to a hydroxyl group other than the hydroxyl group formed from the reducing aldehyde group of lactose and sialyllactose, wherein an amino group of said peptide (II) reacts with an aldehyde group in said sugar (III); and wherein said compound (I) can release said peptide (II) having a free amino group in response to changes in pH.