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HCVerso1 and 2: faldaprevir with deleobuvir (BI 207127) and ribavirin for treatment-naïve patients with chronic hepatitis C virus genotype-1b infection

Authors Sarrazin C, Castelli F, Andreone P, Buti M, Colombo M, Pol S, Calinas F, Puoti M, Olveira A, Shiffman M, Stern JO, Kukolj G, Roehrle M, Aslanyan S, Deng Q, Vinisko R, Mensa FJ, Nelson DR

Received 22 April 2016

Accepted for publication 15 August 2016

Published 24 November 2016 Volume 2016:9 Pages 351—363


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Editor who approved publication: Professor Andreas M Kaiser

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 (NCT01732796, NCT01728324).

Keywords: chronic hepatitis C, NS3 protease inhibitor, nonnucleoside polymerase inhibitor, cirrhosis, antiviral

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