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      Real-world effectiveness of sofosbuvir/velpatasvir/voxilaprevir in 573 direct-acting antiviral experienced hepatitis C patients.

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          Abstract

          Sofosbuvir/velpatasvir/voxilaprevir (SOF/VEL/VOX) provides a needed hepatitis C virus (HCV) antiviral option for direct-acting antiviral (DAA)-experienced patients. We evaluated the effectiveness of SOF/VEL/VOX for 12 weeks in DAA-experienced patients with genotype 1-4 treated in clinical practice. In this observational cohort analysis from the Veterans Affairs' Clinical Case Registry, 573 DAA-experienced patients initiating SOF/VEL/VOX were included: 490 genotype 1, 20 genotype 2, 51 genotype 3 and 12 genotype 4. Rates of cirrhosis were 32.7%, 30.0%, 49.0% and 58.3%; rates of prior NS5A-experience were 100.0%, 95.0%, 90.2% and 100.0% for genotypes 1-4, respectively. Overall SVR rates were 90.7% (429/473), 90.0% (18/20), 91.3% (42/46) and 100.0% (12/12) for genotypes 1-4, respectively, and were 91.3% (274/300), 88.9% (16/18), 90.2% (37/41) and 100.0% (11/11) for those with prior NS5A + NS5B experience. For genotype 1, SVR rates were similar in patients with prior regimens of ledipasvir/SOF (90.6%, 298/329), elbasvir/grazoprevir (91.2%, 73/80) and ombitasvir/paritaprevir/ritonavir/dasabuvir (90.9%, 70/77). SVR rates in genotype 1, 2 and 3 patients with prior SOF/VEL experience were 78.9% (15/19), 86.7% (13/15) and 84.6% (11/13). In genotype 1-4 patients completing 12 weeks of SOF/VEL/VOX, overall SVR rates were 95.1% (409/430), 89.5% (17/19), 93.3% (42/45) and 100% (12/12). In this diverse real-world cohort of heavily NS5A pretreated patients, SOF/VEL/VOX SVR rates in DAA-experienced patients were high across all genotypes. Genotype 1 patients who had prior experience with the most commonly prescribed NS5A regimens achieved similarly high SVR rates when retreated with SOF/VEL/VOX. For genotypes 1, 2 and 3, patients with prior SOF/VEL experience had lower SVR rates.

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          Author and article information

          Journal
          J. Viral Hepat.
          Journal of viral hepatitis
          Wiley
          1365-2893
          1352-0504
          August 2019
          : 26
          : 8
          Affiliations
          [1 ] Department of Veterans Affairs, Palo Alto Health Care System, Palo Alto, California.
          Article
          10.1111/jvh.13115
          31012179
          a8868007-8788-4699-8df2-81f89d51bc73
          History

          NS5A,sustained virologic response,genotype,direct-acting antiviral,veteran

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