PEGYLATED ALBUMIN POLYMERS AND USES THEREOF
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United States of America Patent
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Issued Date -
Sep 5, 2013
app pub date -
Feb 22, 2011
filing date -
Feb 25, 2010
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Abandoned
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Abstract
The present invention provides an albumin polymer and a process of making an albumin polymer, the process comprising breaking instrinsic disulfide bridges in albumin with a reducing agent and crosslinking inter- and intra-molecular disulfide bridges so as to form the polymer. The present invention also provides PEGylated albumin polymers and methods of making PEGylated albumin polymers, the methods comprising polymerizing albumin by crosslinking inter- and intra-molecular disulfide bridges, and PEGylating the albumin polymer. The present invention further provides a pharmaceutical composition useful as a blood plasma expander, blood substitute or for drug delivery, and methods of treating blood loss in a subject and of delivering drugs to a subject's tissue, the pharmaceutical composition comprising a therapeutically effective amount of the PEGylated albumin polymer.
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