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Christoph Sarrazin,1 Francesco Castelli,2 Pietro Andreone,3 Maria Buti,4 Massimo Colombo,5 Stanislas Pol,6 Filipe Calinas,7 Massimo Puoti,8 Antonio Olveira,9 Mitchell Shiffman,10 Jerry O Stern,11 George Kukolj,12 Michael Roehrle,13 Stella Aslanyan,11 Qiqi Deng,11 Richard Vinisko,11 Federico J Mensa,11 David R Nelson,14 on behalf of the HCVerso1 and 2 study groups 1Department of Internal Medicine 1, JW Goethe University Hospital, Frankfurt, Germany; 2Department of Infectious and Tropical Diseases, University of Brescia, Brescia, 3Department of Medical and Surgical Sciences, Università di Bologna and Azienda Ospedaliero-Universitaria, Policlinico Sant‘Orsola-Malpighi, Bologna, Italy; 4Department of Internal Medicine, Hospital Universitari Vall d’Hebron and CIBERehd del Instituto Carlos III, Barcelona, Spain; 5Division of Gastroenterology and Hepatology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy; 6University Paris Descartes, Department of Hepatology, Hospital Cochin, APHP and INSERM UMS-20, Institut Pasteur, Paris, France; 7Department of Gastroenterology, Centro Hospitalar de Lisboa Central, Lisbon, Portugal; 8Department of Infectious Diseases, AO Ospedale Niguarda Cà Granda, Milan, Italy; 9Liver Unit, Hospital Universitario La Paz, CIBERehd, Madrid, Spain; 10Liver Institute of Virginia, Bon Secours Health System, Richmond, VA, USA; 11Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, USA; 12Boehringer Ingelheim Ltd/Ltée, Burlington, ON, Canada; 13Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany; 14Clinical and Translational Science Institute, University of Florida, Gainesville, FL, USA Abstract:
The interferon-free combination of once-daily faldaprevir 120 mg, twice-daily deleobuvir 600 mg, and weight-based ribavirin was evaluated in two Phase III studies (HCVerso1, HCVerso2) in hepatitis C virus genotype-1b-infected, treatment-naïve patients, including those ineligible for peginterferon (HCVerso2). Patients without cirrhosis were randomized to 16 weeks (Arm 1; n=208 HCVerso1, n=213 HCVerso2) or 24 weeks (Arm 2; n=211 in both studies) of faldaprevir + deleobuvir + ribavirin. Patients with compensated cirrhosis received open-label faldaprevir + deleobuvir + ribavirin for 24 weeks (Arm 3; n=51, n=72). Primary endpoints were comparisons of adjusted sustained virologic response (SVR) rates with historical rates: 71% (HCVerso1) and 68% (HCVerso2). Adjusted SVR12 rates were significantly greater than historical controls for Arms 1 and 2 in HCVerso2 (76%, 95% confidence interval [CI] 71–81, P=0.002; 81%, 95% CI 76–86, P<0.0001) and Arm 2 in HCVerso1 (81%, 95% CI 77–86, P<0.0001), but not for Arm 1 of HCVerso1 (72%, 95% CI 66–77, P=0.3989). Unadjusted SVR12 rates in Arms 1, 2, and 3 were 71.6%, 82.5%, and 72.5%, respectively, in HCVerso1 and 75.6%, 82.0%, and 73.6%, respectively, in HCVerso2. Virologic breakthrough and relapse occurred in 24-week arms in 8%–9% and 1% of patients, respectively, and in 16-week arms in 7%–8% and 9%–11% of patients, respectively. The most common adverse events were nausea (46%–61%) and vomiting (29%–35%). Adverse events resulted in discontinuation of all medications in 6%–8% of patients. In treatment-naïve patients with hepatitis C virus genotype-1b infection, with or without cirrhosis, faldaprevir + deleobuvir + ribavirin treatment for 24 weeks resulted in adjusted SVR12 rates significantly higher than historical controls. Both studies were registered in ClinicalTrials.gov (NCT01732796, NCT01728324).
Chronic hepatitis C is a major reason for development of cirrhosis and hepatocellular carcinoma and a leading cause for liver transplantation. The development of direct-acting antiviral agents lead to (pegylated) interferon-alfa free antiviral therapy regimens with a remarkable increase in sustained virologic response (SVR) rates and opened therapeutic options for patients with advanced cirrhosis and liver graft recipients. This concise review gives an overview about most current prospective trials and cohort analyses for treatment of patients with liver cirrhosis and liver graft recipients. In patients with compensated cirrhosis Child-Pugh-Turcotte (CTP) class A, all approved agents are safe and SVR rates do not significantly differ from patients without cirrhosis in general. In patients with decompensated cirrhosis CTP class B or C, daclastasvir, ledipasvir, velpatasvir, and sofosbuvir are approved, and SVR rates higher than 90% can be achieved. Especially for patients with a model of end stage liver disease score higher than 15 and therefore eligible for liver transplantation, data is scarce. Reported SVR rates in patients with cirrhosis CTP class C are lower compared to patients with a less severe liver disease. In liver transplant recipients with a maximum of CTP class A, SVR rates are comparable to patients without LT. Patients with decompensated graft cirrhosis should be treated on an individual basis.
Objective We assessed the effectiveness and safety of daclatasvir (DCV) plus sofosbuvir (SOF), with or without ribavirin (RBV), in a large real-world cohort, including patients with advanced liver disease.
Design Adults with chronic HCV infection at high risk of decompensation or death within 12 months and with no available treatment options were treated in a European compassionate use programme. The recommended regimen was DCV 60 mg plus SOF 400 mg for 24 weeks; RBV addition or shorter duration was allowed at physicians' discretion. The primary endpoint was sustained virological response at post-treatment week 12 (SVR12).
Results Of the 485 evaluable patients, 359 received DCV+SOF and 126 DCV+SOF+RBV. Most patients were men (66%), white (93%) and treatment-experienced (70%). The most frequent HCV genotypes were 1b (36%), 1a (33%) and 3 (21%), and 80% of patients had cirrhosis (42% Child–Pugh B/C; 46% Model for End-Stage Liver Disease score >10). SVR12 (modified intention-to-treat) was achieved by 91% of patients (419/460); 1 patient had virological breakthrough and 13 patients relapsed. Virological failure was not associated with treatment group (adjusted risk difference DCV+SOF minus DCV+SOF+RBV: 1.06%; 95% CI −2.22% to 4.35%). High SVR12 was observed regardless of HCV genotype or cirrhosis, liver transplant or HIV/HCV coinfection status. Twenty eight patients discontinued treatment due to adverse events (n=18) or death (n=10) and 18 died during follow-up. Deaths and most safety events were associated with advanced liver disease and not considered treatment related.
Conclusions DCV+SOF with or without RBV achieved high SVR12 and was well tolerated in a diverse cohort of patients with severe liver disease.
Trial registration number NCT0209966.