['hepatitis c virus infection']
['ldv/sof', 'sof', 'rbv']

        Key Inclusion Criteria:

          -  Chronic genotype 2 HCV-infected males and non-pregnant/non-lactating females

          -  Aged 20 years or older

          -  Treatment naive or treatment experienced

          -  At least 20 subjects will have Child-Pugh-A compensated cirrhosis. In Cohort 2,
             participants must be ineligible or intolerant of RBV.

        Key Exclusion Criteria:

          -  Previous exposure to an NS5A or NS5B inhibitor

          -  Infection with hepatitis B virus (HBV) or human immunodeficiency virus (HIV)

          -  Pregnant or nursing female or male with pregnant female partner

        Note: Other protocol defined Inclusion/Exclusion criteria may apply.
      