Until recently, the standard of care (SOC) for patients with chronic hepatitis C virus (HCV) infection has consisted of a combination of pegylated interferon-α [corrected] plus ribavirin, administered for 24- to 48-weeks depending on the HCV genotype. The sustained virologic response rate for this SOC has been only about 50% in patients infected with genotype 1 HCV, the most prevalent genotype in Europe and North America. HCV therapy has been revolutionised recently by the approval of two direct-acting antiviral agents (DAA) against the NS3/4A serine protease for use in genotype 1 HCV, the ketoamide inhibitors boceprevir and telaprevir. The novel SOC marks the beginning of an extraordinary new era in HCV therapy. We review this new SOC with an emphasis on practical issues related to protease inhibitors, e.g. prescribing guidelines, futility rules and management of adverse events. We also give a perspective on what to expect in the coming years. Newer DAA with simplified dosing regimens and/or minimal toxicity which, when used in combination, will lead to viral eradication in most if not all CHC patients who undergo treatment. The novel agents in clinical development are paving the way for future interferon-sparing regimens.
BaCKgRoUND aND aIMS:The Model for End-Stage Liver Disease score may have eliminated racial disparities on the waitlist for liver transplantation (LT), but disparities prior to waitlist placement have not been adequately quantified. We aimed to analyze differences in patients who are listed for LT, undergo transplantation, and die from end-stage liver disease (ESLD), stratified by state and race/ethnicity. appRoaCH aND ReSUltS: We analyzed two databases retrospectively, the Center for Disease Control Wide-ranging Online Data for Epidemiologic Research (CDC WONDER) and the United Network for Organ Sharing (UNOS) databases, from 2014 to 2018. We included patients aged 25-64 years who had a primary cause of death of ESLD and were listed for transplant in the CDC WONDER or UNOS database. Our primary outcome was the ratio of listing for LT to death from ESLD-listing to death ratio (LDR). Our secondary outcome was the transplant to listing and transplant to death ratios. Chi-squared and multivariable linear regression evaluated for differences between races/ethnicities. There were 135,367 patients who died of ESLD, 54,734 patients who were listed for transplant, and 26,571 who underwent transplant. Patients were mostly male and White. The national LDR was 0.40, significantly lowest in Black patients (0.30), P < 0.001. The national transplant to listing ratio was 0.48, highest in Black patients (0.53), P < 0.01. The national transplant to death ratio was 0.20, lowest in Black patients (0.16), P < 0.001. States that had an above-mean LDR had a lower transplant to listing ratio but a higher transplant to death ratio. Multivariable analysis confirmed that Black race is significantly associated with a lower LDR and transplant to death ratio.CoNClUSIoNS: Black patients face a disparity in access to LT due to low listing rates for transplant relative to deaths from ESLD.
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