Trends in HCV treatment uptake, efficacy and impact on liver fibrosis in the Swiss HIV Cohort Study.

Béguelin, Charles Antoine; Suter, Annatina; Bernasconi, Enos; Fehr, Jan; Kovari, Helen; Bucher, Heiner C; Stoeckle, Marcel; Cavassini, Mathias; Rougemont, Mathieu; Schmid, Patrick; Wandeler, Gilles; Rauch, Andri (2018). Trends in HCV treatment uptake, efficacy and impact on liver fibrosis in the Swiss HIV Cohort Study. Liver international, 38(3), pp. 424-431. Blackwell Munksgaard 10.1111/liv.13528

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BACKGROUND & AIMS

Hepatitis C virus (HCV) therapies with interferon-free second-generation direct-acting antiviral agents (DAAs) are highly effective and well tolerated. They have the potential to increase treatment eligibility and efficacy in HIV-infected patients. We assessed the impact of DAAs on treatment uptake, efficacy as well as its impact on the burden of liver disease in the Swiss HIV Cohort Study (SHCS).

METHODS

We describe clinical and virological characteristics of patients treated with second generation DAAs. We compared treatment incidence, sustained virological response (SVR)12 and liver fibrosis stages between three time periods: period 1, 01/2009-08/2011 (prior to the availability of DAAs); period 2, 09/2011-03/2014 (first generation DAAs); period 3, 04/2014-12/2015 (second generation DAAs).

RESULTS

At the beginning of the third period, 876 SHCS participants had a chronic HCV infection of whom 180 (20%) started treatment with a second generation DAA. Three- quarters of them had advanced liver fibrosis (Metavir≥3) of whom 80% were cirrhotics. SVR12 was achieved in 173/180 (96%) patients, 3 patients died and 4 experienced a virological failure. Over the three time periods, treatment uptake (4.5/100py, 5.7/100py, 22.4/100py) and efficacy (54%, 70%, 96% SVR12) continuously increased. The number of cirrhotic patients with replicating HCV infection in the SHCS declined from 25% at the beginning to 12% at the end of the last period.

CONCLUSIONS

After the introduction of second generation DAAs we observed an increase in treatment uptake and efficacy which resulted in a significant reduction in the number of cirrhotic patients with replicating HCV infection in the SHCS. This article is protected by copyright. All rights reserved.

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