Novel effects with polyethylene glycol modified pharmaceuticals.


Proteins undergo extensive hydrolysis in the gastrointestinal tract and have short circulating half-lives in the blood. For optimal clinical efficacy, therefore, they must be given by daily injections. Attaching a polyethylene glycol (PEG) moiety (pegylation) improves the pharmacokinetic and pharmacodynamic profiles of proteins. Pegfilgrastim (pegylated… (More)


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