Hepatitis C virus core antigen in the management of patients treated with new direct-acting antivirals.

We evaluated the utility of Architect core antigen assay® Abbott Diagnostics (HCVAg) for monitoring patients with HCV infection and compared to HCV-RNA quantification (Cobas Ampliprep TaqMan-Roche Diagnostics). Samples from 262 patients were studied. Mean baseline HCV RNA and HCVAg levels were similar for responders (6.