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PEGylation (or pegylation) is the process of both covalent and non-covalent attachment or amalgamation of polyethylene glycol (PEG, in pharmacy called macrogol) polymer chains to molecules and macrostructures, such as a drug, therapeutic protein or vesicle, which is then described as PEGylated.
Bempegaldesleukin (development code NKTR-214) is an experimental anti-cancer drug candidate. It is a PEGylated interleukin-2 (IL-2) acting as a CD122-preferential IL-2 pathway agonist designed to activate and proliferate CD8 + T cells and NK cells.
Pegylated interferon alfa-2b is a drug used to treat melanoma, as an adjuvant therapy to surgery. [3] Also used to treat hepatitis C (typically, in combination with ribavarin), it is no longer recommended due to poor efficacy and adverse side-effects. [4] Subcutaneous injection is the preferred delivery method. [3]
A study on lipidation and PEGylation on the GLP-1 peptide was carried out and the results showed that lipidation had no significant effect on peptide activity in vitro, [31] whereas PEGylation did, especially when the PEG is attached to internal amino acids of the peptide e.g. positions 20 and 21. The reduction in activity from PEGylation ...
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Created Date: 8/30/2012 4:52:52 PM
For genotype 1 hepatitis C treated with pegylated interferon alfa-2a or pegylated interferon alfa-2b combined with ribavirin, it has been shown that genetic polymorphisms near the human IL28B gene, encoding interferon lambda 3, are associated with significant differences in response to the treatment.
Chemically, naloxegol is a pegylated (polyethylene glycol-modified) derivative of α-naloxol.Specifically, the 6-α-hydroxyl group of α-naloxol is connected via an ether linkage to the free hydroxyl group of a monomethoxy-terminated n=7 oligomer of PEG, shown extending at the lower left of the molecule image at right.