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

        Inclusion Criteria:

          -  Willing and able to provide written informed consent

          -  HCV RNA ≥ 10^4 IU/mL

          -  HCV genotype 3

          -  Chronic HCV infection (≥ 6 months)

          -  Females of childbearing potential must have a negative serum pregnancy test

          -  Males and females of childbearing potential who engage in heterosexual intercourse
             must agree to use protocol specified method(s) of contraception

        Exclusion Criteria:

          -  Current or prior history of clinically-significant illness (other than HCV) that may
             interfere with subject treatment, assessment or compliance with the protocol

          -  Screening ECG with clinically significant abnormalities

          -  Laboratory results outside of acceptable ranges at Screening

          -  Pregnant or nursing female or male with pregnant female partner

          -  Chronic liver disease of a non-HCV etiology (e.g., hemochromatosis, Wilson's disease,
             alfa-1 antitrypsin deficiency, cholangitis)

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