PegIntron anvendes hos patienter, hvis lever stadig fungerer, men som har tegn på sygdommen (forhøjede transaminaser (leverenzymer) og infektionsmarkører i blodet, f. eks. viralt RNA eller antistoffer mod viruset).
PegIntron is used in patients whose liver is still functioning but who have signs of the disease (raised transaminases [liver enzymes] and markers of infection in the blood, such as viral RNA or antibodies against the virus).