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

        Key Inclusion Criteria:

          -  HCV RNA ≥ 10^4 IU/mL at screening

          -  HCV genotype 1, 2, 3, 4, 5, 6

          -  Cirrhosis determination, a fibroscan or liver biopsy may be required

          -  HIV-1 infection

          -  Use of protocol specified method(s) of contraception

          -  Screening laboratory values within defined thresholds

        Key Exclusion Criteria:

          -  Clinically-significant illness (other than HCV or HIV) or any other major medical
             disorder that may interfere with individual's treatment, assessment or compliance with
             the protocol

          -  Current or prior history of clinical hepatic decompensation, hepatocellular carcinoma
             (HCC) or other malignancy (with the exception of certain resolved skin cancers)

          -  Screening ECG with clinically significant abnormalities

          -  Pregnant or nursing female or male with pregnant female partner

          -  Infection with hepatitis B virus (HBV)

          -  Use of any prohibited concomitant medications as described in the protocol

          -  Chronic use of systemically administered immunosuppressive agents

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