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Efficacy of 8 weeks elbasvir/grazoprevir regimen for naïve-genotype 1b, HCV infected patients with or without glucose abnormalities: Results of the EGG18 study

  • Authors: Vincenza Calvaruso , Salvatore Petta, Donatella Ferraro, Claudia La Mantia, Gerlando Gibilaro, Giada Reina, Velia Chiara Di Maio, Anna Licata, Francesca Ceccherini-Silberstein, Vito Di Marco, Antonio Craxì
  • Publication year: 2021
  • Type: Articolo in rivista
  • OA Link:


Background and aim: Direct Acting Antivirals(DAAs) achieve the highest rate of sustained viral re- sponse(SVR) in patients with genotype-1b(G1b) Hepatitis C virus(HCV) infection. Reducing treatment du- ration can simplify the management and improve adherence of therapy. Patients and methods: The study evaluates the efficacy of 8 weeks of elbasvir/grazoprevir regimen in 75 treatment-naïve(TN), G1b patients with mild-moderate fibrosis(Liver Stiffness by Fibroscan®< 9.0 kPa). Viral load(VL) has been evaluated by Roche TaqMan RT-PCR(LLOQ < 15 IU/ml). Results: Mean age was 61.0 ±14.2 years, 44% were male, mean LS by Fibroscan®was 6.1 ±1.8 kPa. Twenty-eight patients(37.3%) had an HOMA > 2.5. Two patients were excluded from analysis(one dropped out and the other one had diagnosed genotype 2c at genotyping by sequencing performed after relapse). At 8 weeks(EOT), 71 out of 73 patients(97.3%) had undetectable HCV-RNA, while in two cases HCV- RNA was detectable but with VL < 15 IU/ml. Both of them achieved SVR. Two G1b patients relapsed at 12 weeks of follow-up, both with baseline VL > 80 0,0 0 0 IU/ml and HOMA score 1.3 and 3.8 respectively. Both had undetectable HCV VL at 4th week and at the EOT. Modified intention-to-treat SVR12 for G1b patients was 71/73(97.3%). Conclusion: In naïve, genotype-1b HCV-infected patients with mild/moderate liver fibrosis, short course of 8 weeks of EBR/GZR appears to achieve high efficacy regardless of features of insulin resistance.