Branched polyalkylene glycols

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 9/02 (2006.01) A61K 38/19 (2006.01) A61K 38/21 (2006.01) A61K 38/44 (2006.01) A61K 39/395 (2006.01) A61K 47/34 (2006.01) A61K 47/48 (2006.01) C07K 1/113 (2006.01) C07K 14/535 (2006.01) C07K 14/56 (2006.01) C07K 14/565 (2006.01) C07K 16/18 (2006.01) C08G 65/329 (2006.01) C08G 65/331 (2006.01) C12N 9/96 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2436623

The present invention provides a branched polyalkylene glycol wherein three or more single-chain polyalkylene glycols and a group having reactivity with an amino acid side chain, the N-terminal amino group or the C-terminal carboxyl group in a polypeptide or a group convertible into the group having reactivity are bound; and a physiologically active polypeptide modified with the branched polyalkylene glycol.

L'invention concerne des polyalkylène glycols ramifiés renfermant au moins trois polyalkylène glycols à chaîne unique liés les uns aux autres et présentant une groupe réactif avec une chaîne latérale d'amino acide, un groupe amino à terminaison N ou un groupe carboxyl à terminaison C dans un polypeptide ou un groupe pouvant être converti en groupe réactif tel que décrit ci-dessus et fixé à celui-ci; ainsi que des polypeptides actifs sur le plan physiologique et modifiés par ces polyalkylène glycols ramifiés.

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