Dictionary of Cancer Terms
View in Spanish: Pegasys
Pegasys (PEH-guh-sis)
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 PEG-interferon alfa-2a.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.