Review Article

Evolution of Interferon-Based Therapy for Chronic Hepatitis C

Table 2

Factors associated with response to interferon-based therapy for hepatitis C.

Baseline

 Virological factors
   Hepatitis C virus genotype
   Hepatitis C viral loads
   Quasispecies

 Host factors
   Bridging fibrosis/cirrhosis
   Gender
   Age
   Ethnicity
   Insulin resistance
   Obesity
   Hepatic steatosis
   Host genetics: genetic variation in IL28B
   Coinfection with HIV
   Nonresponse to previous interferon-based therapy

On-treatment

   Rapid virological response (RVR) at week 4
   Early virological response (EVR) at week 12  
     Complete EVR (cEVR) versus Partial EVR (pEVR)
   Medical adherence