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      • Sofosbuvir/Velpatasvir (SOF/VEL) for 12 Weeks in Genotype 1, 2, 4, 5, 6 HCV Patients: Results of the ASTRAL-1 Study

        ( Mark S. Sulkowski ),( Henry Lik Yuen Chan ),( Jordan J. Feld ),( Kosh Agarwal ),( Christophe Hezode ),( Tarik Asselah ),( Peter J. Ruane ),( Norbert Gruener ),( Armand Abergel ),( Alessandra Mangia 대한간학회 2016 춘·추계 학술대회 (KASL) Vol.2016 No.1

        Background: Velpatasvir (VEL) is a pangenotypic HCV-NS5A inhibitor. This Phase 3 study evaluated treatment with a fixed dose combination of SOF/VEL for 12 weeks in patients with genotype 1, 2, 4, 5, or 6 HCV infection. Methods: Patients with genotype 1, 2, 4, or 6 chronic HCV infection were randomized 5:1 to received SOF/VEL (400 mg /100 mg daily) or placebo for 12 weeks. Patients with genotype 5 infection were enrolled to the SOF/VEL treatment group and patients with genotype 3 were evaluated in a separate study. Results: 740 patients were enrolled at 81 international sites: 60% male, 79% white, 32% treatment-experienced (TE), and 19% compensated- cirrhosis. Of the 624 patients treated with SOF/VEL, the genotype distribution was 53% GT1, 17% GT2, 19% GT4, 6% GT5 and 7 % GT6. Overall SVR12 for SOF/VEL-treated patients was 99.0% and the study met its primary efficacy endpoint. SVR12 rates by HCV genotype are presented in the table. Two of 328 patients (0.6%) with genotype-1 infection had virologic relapse. No patients with genotype 2, 4, 5, or 6, including 48 with cirrhosis, had virologic failure. Four patients did not achieve SVR12 for non-virologic reasons. AEs and laboratory abnormalities were similar in the SOF/VEL-treated patients compared with the 116 placebo-treated patients. One patient discontinued SOF/VEL treatment due to adverse-events. Conclusions: Treatment with the once daily, all-oral, single tablet regimen of SOF/VEL for 12 weeks is well tolerated and results in high SVR12 rates in treatment-naive and treatment-experienced genotype 1, 2, 4, 5, and 6 HCV-infected patients with and without cirrhosis.

      • The Safety and Tolerability of SOF/VEL/VOX for 8/12 Weeks in >1,000 Patients Treated in the POLARIS Studies: An Integrated Analysis

        ( Michael Manns ),( Edward J. Gane ),( Bernard E. Willems ),( Stuart K. Roberts ),( Steven Flamm ),( Marc Bourlière ),( Tarik Asselah ),( Laurent Alric ),( Sunjin Hwang ),( Robert H. Hyland ),( Luisa 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1

        Aims: The once-daily fixed-dose combination tablet of sofosbuvir/ velpatasvir/voxilaprevir (SOF/VEL/VOX) was evaluated for the treatment of genotype 1-6 HCV patients with and without compensated cirrhosis. Treatment was for 12 weeks for DAA-experienced patients (POLARIS-1 and POLARIS-4) and for 8 weeks for DAA-naive patients (POLARIS-2 and POLARIS-3). This analysis describes the safety of these 4 Phase 3 studies. Methods: Treatment-emergent adverse events (AEs) and laboratory abnormalities were assessed in patients who received SOF/VEL/VOX or placebo for 12 weeks(POLARIS-1), SOF/VEL/VOX or SOF/VEL for 12 weeks(POLARIS-4), or SOF/VEL/VOX for 8 weeks or SOF/VEL for 12 weeks(POLARIS-2 and POLARIS-3). SAEs and deaths were followed until post-treatment Week 24. Results: 1056 patients were treated with SOF/VEL/VOX for 8 (n=611) or 12 (n=445) weeks, 700 received SOF/VEL for 12 weeks, and 152 received placebo. 38% had compensated cirrhosis, 28% had a BMI ≥30 kg/m2, 36% were female, and 12% were ≥65 years old. Two deaths were reported, one illicit drug overdose and one attributed to hypertension, neither were related to treatment. SAEs and discontinuations were more frequent in the placebo group and occurred with similar frequency in the other groups; none were related to study treatment. Headache, fatigue, nausea, and diarrhea were the most common AEs. Mild diarrhea and nausea occurred more frequently in the SOF/VEL/VOX groups. Overall, 5.1 - 6.6% of patients who received SOF/VEL/VOX or SOF/VEL had Grade 3 or 4 laboratory abnormalities. Among patients receiving VOX, one patient each had a Grade 3 elevation in ALT and bilirubin. Conclusions: SOF/VEL/VOX for 8 or 12 weeks in the POLARIS studies was well tolerated with a low frequency of Grade 3 or 4 AEs, SAEs, and AEs leading to discontinuation. The frequency of AEs in the SOF/VEL/VOX groups was similar to SOF/VEL and placebo groups, with higher rates of mild diarrhea and nausea compared to SOF/VEL.

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