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de Salazar A, Dietz J, di Maio VC, Vermehren J, Paolucci S, Müllhaupt B, Coppola N, Cabezas J, Stauber RE, Puoti M, Arenas Ruiz Tapiador JI, Graf C, Aragri M, Jimenez M, Callegaro A, Pascasio Acevedo JM, Macias Rodriguez MA, Rosales Zabal JM, Micheli V, Garcia Del Toro M, Téllez F, García F, Sarrazin C, Ceccherini-Silberstein F, Canbay A, Port K, Cornberg M, Manns M, Reinhardt L, Ellenrieder V, Zizer E, Dikopoulos N, Backhus J, Seufferlein T, Beckebaum S, Hametner S, Schöfl R, Niederau C, Schlee P, Dreck M, Görlitz B, Hinrichsen H, Seegers B, Jung M, Link R, Mauss S, Meister V, Schnaitmann E, Sick C, Simon KG, Schmidt KJ, Andreoni M, Craxì A, Giaccone P, Perno CF, Zazzi M, Bertoli A, Angelico M, Masetti C, Giannelli V, Camillo S, Begini P, De Santis A, Taliani G, Lichtner M, Rossetti B, Caudai C, Cozzolongo R, De Bellis S, Starace M, Minichini C, Gaeta G, Pisaturo MA, Messina V, Dentone C, Bruzzone B, Landonio S, Magni C, Merli M, De Gasperi E, Policlinico GOM, Hasson H, Boeri E, Beretta I, Molteni C, Maffezzini AME, Dorigoni N, Guella L, Götze T, Canbay A, Port K, Cornberg M, Manns M, Reinhardt L, Ellenrieder V, Zizer E, Dikopoulos N, Backhus J, Seufferlein T, Beckebaum S, Hametner S, Schöfl R, Niederau C, Schlee P, Dreck M, Görlitz B, Hinrichsen H, Seegers B, Jung M, Link R, Mauss S, Meister V, Schnaitmann E, Sick C, Simon KG, Schmidt KJ, Andreoni M, Craxì A, Giaccone P, Perno CF, Zazzi M, Bertoli A, Angelico M, Masetti C, Giannelli V, Camillo S, Begini P, De Santis A, Taliani G, Lichtner M, Rossetti B, Caudai C, Cozzolongo R, De Bellis S, Starace M, Minichini C, Gaeta G, Pisaturo MA, Messina V, Dentone C, Bruzzone B, Landonio S, Magni C, Merli M, De Gasperi E, Policlinico GOM, Hasson H, Boeri E, Beretta I, Molteni C, Maffezzini AME, Dorigoni N, Guella L. Prevalence of resistance-associated substitutions and retreatment of patients failing a glecaprevir/pibrentasvir regimen. J Antimicrob Chemother 2021;75:3349-3358. [PMID: 32772078 DOI: 10.1093/jac/dkaa304] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 06/02/2020] [Indexed: 12/27/2022] Open

Abstract

OBJECTIVES

To investigate resistance-associated substitutions (RASs) as well as retreatment efficacies in a large cohort of European patients with failure of glecaprevir/pibrentasvir.

METHODS

Patients were identified from three European Resistance Reference centres in Spain, Italy and Germany. Sequencing of NS3, NS5A and NS5B was conducted and substitutions associated with resistance to direct antiviral agents were analysed. Clinical and virological parameters were documented retrospectively and retreatment efficacies were evaluated.

RESULTS

We evaluated 90 glecaprevir/pibrentasvir failures [3a (n = 36), 1a (n = 23), 2a/2c (n = 20), 1b (n = 10) and 4d (n = 1)]. Ten patients were cirrhotic, two had previous exposure to PEG-interferon and seven were coinfected with HIV; 80 had been treated for 8 weeks. Overall, 31 patients (34.4%) failed glecaprevir/pibrentasvir without any NS3 or NS5A RASs, 62.4% (53/85) showed RASs in NS5A, 15.6% (13/83) in NS3 and 10% (9/90) in both NS5A and NS3. Infection with HCV genotypes 1a and 3a was associated with a higher prevalence of NS5A RASs. Patients harbouring two (n = 34) or more (n = 8) RASs in NS5A were frequent. Retreatment was initiated in 56 patients, almost all (n = 52) with sofosbuvir/velpatasvir/voxilaprevir. The overall sustained virological response rate was 97.8% in patients with end-of-follow-up data available.

CONCLUSIONS

One-third of patients failed glecaprevir/pibrentasvir without resistance. RASs in NS5A were more prevalent than in NS3 and were frequently observed as dual and triple combination patterns, with a high impact on NS5A inhibitor activity, particularly in genotypes 1a and 3a. Retreatment of glecaprevir/pibrentasvir failures with sofosbuvir/velpatasvir/voxilaprevir achieved viral suppression across all genotypes.

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Dietz J, Spengler U, Müllhaupt B, Schulze Zur Wiesch J, Piecha F, Mauss S, Seegers B, Hinrichsen H, Antoni C, Wietzke-Braun P, Peiffer KH, Berger A, Matschenz K, Buggisch P, Backhus J, Zizer E, Boettler T, Neumann-Haefelin C, Semela D, Stauber R, Berg T, Berg C, Zeuzem S, Vermehren J, Sarrazin C, Giostra E, Berning M, Hampe J, De Gottardi A, Rauch A, Semmo N, Discher T, Trauth J, Fischer J, Gress M, Günther R, Heinzow H, Schmidt J, Herrmann A, Stallmach A, Hilgard G, Deterding K, Lange C, Ciesek S, Wedemeyer H, Hoffmann D, Klinker H, Schulze P, Kocheise F, Müller-Schilling M, Kodal A, Kremer A, Ganslmayer M, Siebler J, Lammert F, Rissland J, Löbermann M, Götze T, Canbay A, Lohse A, von Felden J, Jordan S, Maieron A, Moradpour D, Chave JP, Moreno C, Müller T, Muche M, Epple HJ, Port K, von Hahn T, Cornberg M, Manns M, Reinhardt L, Ellenrieder V, Rockstroh J, Schattenberg J, Sprinzl M, Galle P, Roeb E, Steckstor M, Schmiegel W, Brockmeyer N, Seufferlein T, Stremmel W, Strey B, Thimme R, Teufel A, Vogelmann R, Ebert M, Tomasiewicz K, Trautwein C, Tacke F, Koenen T, Weber T, Zachoval R, Mayerle J, Raziorrouh B, Angeli W, Beckebaum S, Doberauer C, Durmashkina E, Hackelsberger A, Erhardt A, Garrido-Lüneburg A, Gattringer H, Genné D, Gschwantler M, Gundling F, Hametner S, Schöfl R, Hartmann C, Heyer T, Hirschi C, Jussios A, Kanzler S, Kordecki N, Kraus M, Kullig U, Wollschläger S, Magenta L, Beretta-Piccoli BT, Menges M, Mohr L, Muehlenberg K, Niederau C, Paulweber B, Petrides A, Pinkernell M, Piso R, Rambach W, Reiser M, Riecken B, Rieke A, Roth J, Schelling M, Schlee P, Schneider A, Scholz D, Schott E, Schuchmann M, Schulten-Baumer U, Seelhoff A, Stich A, Stickel F, Ungemach J, Walter E, Weber A, Winzer T, Abels W, Adler M, Audebert F, Baermann C, Bästlein E, Barth R, Barthel K, Becker W, Behrends J, Benninger J, Berger F, Berzow D, Beyer T, Bierbaum M, Blaukat O, Bodtländer A, Böhm G, Börner N, Bohr U, Bokemeyer B, Bruch H, Bucholz D, Burkhard O, Busch N, Chirca C, Delker R, Diedrich J, Frank M, Diehl M, Dienethal A, Dietel P, Dikopoulos N, Dreck M, Dreher F, Drude L, Ende K, Ehrle U, Baumgartl K, Emke F, Glosemeyer R, Felten G, Hüppe D, Fischer J, Fischer U, Frederking D, Frick B, Friese G, Gantke B, Geyer P, Schwind H, Glas M, Glaunsinger T, Goebel F, Göbel U, Görlitz B, Graf R, Gruber H, Härter G, Herder M, Heuchel T, Heuer S, Höffl KH, Hörster H, Sonne JU, Hofmann W, Holst F, Hunstiger M, Hurst A, Jägel-Guedes E, John C, Jung M, Kallinowski B, Kapzan B, Kerzel W, Khaykin P, Klarhof M, Klüppelberg U, Klugewitz K, Knapp B, Knevels U, Kochsiek T, Körfer A, Köster A, Kuhn M, Langekamp A, Künzig B, Link R, Littman M, Löhr H, Lutz T, Knecht G, Lutz U, Mainz D, Mahle I, Maurer P, Mayer C, Meister V, Möller H, Heyne R, Moritzen D, Mroß M, Mundlos M, Naumann U, Nehls O, Ningel K, Oelmann A, Olejnik H, Gadow K, Pascher E, Petersen J, Philipp A, Pichler M, Polzien F, Raddant R, Riedel M, Rietzler S, Rössle M, Rufle W, Rump A, Schewe C, Hoffmann C, Schleehauf D, Schmidt K, Schmidt W, Schmidt-Heinevetter G, Schmidtler-von Fabris J, Schnaitmann E, Schneider L, Schober A, Niehaus-Hahn S, Schwenzer J, Seidel T, Seitel G, Sick C, Simon K, Stähler D, Stenschke F, Steffens H, Stein K, Steinmüller M, Sternfeld T, Strey B, Svensson K, Tacke W, Teuber G, Teubner K, Thieringer J, Tomesch A, Trappe U, Ullrich J, Urban G, Usadel S, von Lucadou A, Weinberger F, Werheid-Dobers M, Werner P, Winter T, Zehnter E, Zipf A. Efficacy of Retreatment After Failed Direct-acting Antiviral Therapy in Patients With HCV Genotype 1-3 Infections. Clin Gastroenterol Hepatol 2021;19:195-198.e2. [PMID: 31706062 DOI: 10.1016/j.cgh.2019.10.051] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/19/2019] [Accepted: 10/25/2019] [Indexed: 02/07/2023]