A randomized, open-label, multicenter study to evaluate the safety and antiviral activity of the combination of ABT-450/ritonavir/ABT-267 (ABT-450/r/ABT-267) and ABT-333 with and without ribavirin in treatment-experienced subjects with genotype 1b chronic hepatitis C virus (HCV) infection (PEARL-II). Article source: http://clinicaltrials.gov/ct2/show/NCT01674725?term=hiv&lup_s=03%2F03%2F2013&lup_d=30
