['hepatitis c']
['grazoprevir/elbasvir', 'placebo']

        Inclusion Criteria:

          -  Has documented chronic HCV GT1, GT4, or GT6 (with no evidence of non-typeable or mixed
             genotype) infection

          -  Meets clinical criteria for presence or absence of cirrhosis based on liver disease
             staging assessment

          -  Is abstinent or uses acceptable method(s) of contraception

        Exclusion Criteria:

          -  Has evidence of decompensated liver disease

          -  Is coinfected with hepatitis B virus or human immunodeficiency virus (HIV)

          -  Shows evidence of hepatocellular carcinoma (HCC) or is under evaluation for HCC

          -  Has a clinically-relevant drug or alcohol abuse within 12 months of screening

          -  Is pregnant or breast-feeding

          -  Has any condition or abnormality that might confound the results of the trial or pose
             an additional risk to the participant
      