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RISS 인기검색어
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- 저자 : ( Nelson Cheinquer ) (검색결과 1 건)
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( Eric Lawitz ),( Michael Manns ),( Marc Bourliere ),( Sooji Lee ),( Nelson Cheinquer ),( Luisa Stamm ),( Robert H. Hyland ),( Liyun Ni ),( Hadas Dvory-sobol ),( Diana Brainard ),( Mani Subramanian ) 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: The pangenotypic fixed-dose combination (FDC) of sofosbuvir (SOF), a HCV NS5B inhibitor, velpatasvir (VEL), a HCV NS5A inhibitor, and voxilaprevir (VOX), a HCV NS3/4A protease inhibitor, is an salvage regimen for direct acting antiviral (DAA)-experienced patients based on the safety and efficacy demonstrated in Phase 2 and Phase 3 trials in this population. Methods: This was a retrospective analysis of data from 454 NS5A inhibitor-experienced patients treated with SOF/VEL FDC+VOX or SOF/VEL/VOX FDC in the Phase 2 and Phase 3 trials. Efficacy was assessed by SVR12 and relapse rates. Safety was assessed by treatment-emergent adverse events (AEs) and laboratory abnormalities. Results: Of 454 NS5A inhibitor-experienced patients treated, 77% were male, 41% had compensated cirrhosis, 86% had NS5A and NS3 baseline resistance-associated substitutions (RASs), 74% had genotype 1 HCV infection. Most patients (53%) had previously been exposed to NS5A inhibitor+NS5B inhibitor, with 39% exposed to NS5A inhibitor+NS3/4A protease inhibitor±NS5B inhibitor and 8% exposed to NS5A inhibitor±another DAA. Overall, the SVR12 rate was 97% with a relapse rate of 2%. The SVR12 rate in patients with compensated cirrhosis was 95% and in patients with baseline RASs was 97%. The SVR12 rates by prior regimen were: NS5A inhibitor+NS5B inhibitor 95%; NS5A inhibitor+NS3/4A protease inhibitor±NS5B inhibitor 99%; and NS5A inhibitor±another DAA 100%. Treatment-emergent RASs were uncommon, present in 3 of 10 patients who relapsed. Only 1 patient (0.2%) discontinued treatment due to an AE. No serious adverse events attributed to study medication were reported. Conclusions: Results in over 450 NS5A inhibitor-experienced patients enrolled in Phase 2 or Phase 3 trials demonstrate that the 3-DAA combination of SOF, VEL and VOX for 12 weeks is a safe, well tolerated and effective treatment for patients who previously failed an NS5A inhibitor-containing regimen, irrespective of the other drugs in the prior treatment.
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