Answer
The active substance in Pegasys (peginterferon alfa-2a) is a covalent conjugate of interferon alfa-2a protein, produced by recombinant DNA technology in Escherichia coli, with bis-[monomethoxy polyethylene glycol].
Sources for this answer
- Pegasys 90 micrograms, 135 micrograms and 180 micrograms solution for injection in pre-filled syringepharmaand GmbH · emc · SmPC §2 Qualitative and quantitative composition · Version 2Document updated
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