Pegylated interferon

Pegylated interferon (PEG-IFN) is a class of medication that includes three different drugs as of 2012:

Peginterferon alfa-2a Peginterferon alfa-2b Peginterferon beta-1a In these formulations, Polyethylene glycol (PEG) is added to make interferon last longer in the body. They are used to treat both hepatitis B, hepatitis C and multiple sclerosis. Pegylated interferon is contraindicated in patients with hyperbilirubinaemia.

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