So, is it quad regimen: Protease Inhibitor + NS5A Inhibitor + Non Nucleoside Polymerase Inhibitors + ribavirin or
Protease Inhibitor + Non Nucleoside Polymerase Inhibitors + ribavirin?
Edit: I see the PILOT combination: ABT-450 With Ritonavir (ABT-450/r) Dosed in Combination With ABT-333 and Ribavirin (RBV), so different quad: Protease Inhibitor + Non Nucleoside Polymerase Inhibitors + ribavirin + Ritonavir