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ABSTRACT
Introduction: Treatments for hepatitis C virus (HCV) infection have advanced rapidly in the last decade. Pegylated interferon alpha 2a (PEG-IFN alpha 2a) alone, in combination with ribavirin and with or without direct acting antivirals (DAAs) is modestly effective in the treatment of chronic HCV infection.
Areas covered: The review describes the chemistry, pharmacokinetic and pharmacodynamic properties, clinical efficacy, safety and drug-drug interaction profiles of PEG-IFN alpha 2a.
Expert opinion: Despite the availability of DAAs and its formidable toxicity profile, PEG-IFN alpha 2a retains a role for the treatment of acute HCV and chronic HCV infection in resource limited settings and for end-stage renal disease patients and others who cannot access DAAs or are DAA-ineligible. Knowledge of pharmacogenetic profiles which favor successful treatment outcomes with IFN-based therapies may allow for selection of best candidates for the regimen.
Box 1. Drug summary
Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties. A reviewer on this manuscrit has disclosed being a consultant for Abbvie and Gilead and a member of MSD advisory board.