Review
doi: 10.1038/nrd1033.
Effect of pegylation on pharmaceuticals
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- PMID: 12612647
- DOI: 10.1038/nrd1033
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Review
Effect of pegylation on pharmaceuticals
Nat Rev Drug Discov.
2003 Mar.
Abstract
Protein and peptide drugs hold great promise as therapeutic agents. However, many are degraded by proteolytic enzymes, can be rapidly cleared by the kidneys, generate neutralizing antibodies and have a short circulating half-life. Pegylation, the process by which polyethylene glycol chains are attached to protein and peptide drugs, can overcome these and other shortcomings. By increasing the molecular mass of proteins and peptides and shielding them from proteolytic enzymes, pegylation improves pharmacokinetics. This article will review how PEGylation can result in drugs that are often more effective and safer, and which show improved patient convenience and compliance.
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