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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.
Subsequently, pegylated E. coli ASNase was approved in 1994 as a second-line treatment and later in 2006 as a first-line treatment for acute lymphoblastic leukemia. [16] Another ASNase variant, ASNase Erwinia chrysantemi, obtained authorization for use in the United Kingdom in 1985, and gained approval from the US Food and Drug Administration ...
PEGylation is the act of covalently coupling a PEG structure to another larger molecule, for example, a therapeutic protein, which is then referred to as a PEGylated protein. PEGylated interferon alfa-2a or alfa-2b are commonly used injectable treatments for hepatitis C infection.
Pegol is a term used in generic names for pharmaceutical drugs to indicate the presence of a polyethylene glycol attachment . The term is used for monoclonal antibodies and engineered proteins as well as for small molecules. The purpose of the pegylation is to extend the half-life of the drug. [1] Examples include: Alacizumab pegol
Pegaspargase is a modified version of the enzyme asparaginase which has undergone PEGylation. [8] [6] It works by breaking down the amino acid asparagine that are circulating in the bloodstream. [6] The circulating asparagine is essential for the cancer cells to enable growth since they can't produce their own, in contrast to normal cells. [9]
Pegylated interferon alfa-2a is in the alpha interferon family of medications. [3] It is pegylated to protect the molecule from breakdown. [6] Pegylated interferon alfa-2a was approved for medical use in the United States in 2002. [3] It is on the World Health Organization's List of Essential Medicines. [7]
Pegylated interferon (PEG-IFN) is a class of medication that includes three different drugs as of 2012: [1] Pegylated interferon-alpha-2a; Pegylated interferon-alpha-2b; Pegylated interferon beta-1a [2] In these formulations, Polyethylene glycol (PEG) is added to make interferon last longer in the body. [3]
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]
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