pegylated interferon alpha

Definition of peginterferon alfa-2a

peginterferon alfa-2a

(peg-IN-ter-FEER-on AL-fuh ...)
A drug used to treat hepatitis C infections. It is also being studied in the treatment and prevention of cancer. It is a cytokine that is modified in the laboratory. It is a type of biological response modifier. Also called Pegasys.

Source: NCI Dictionary of Cancer Terms