PMID- 30903385 OWN - NLM STAT- MEDLINE DCOM- 20200721 LR - 20210109 IS - 1435-5922 (Electronic) IS - 0944-1174 (Linking) VI - 54 IP - 10 DP - 2019 Oct TI - Initial- and re-treatment effectiveness of glecaprevir and pibrentasvir for Japanese patients with chronic hepatitis C virus-genotype 1/2/3 infections. PG - 916-927 LID - 10.1007/s00535-019-01575-9 [doi] AB - BACKGROUND: Glecaprevir and pibrentasvir (GLE/PIB) are potent antiviral agents for hepatitis C virus (HCV) pan-genotypic infections; however, their clinical effectiveness and safety remain limited in the real-world. This study aimed to evaluate viral responses and the safety of GLE/PIB for patients with chronic HCV-1/2/3 infections during both initial- (Arm A) and re-treatment (Arm B) with all-oral direct-acting antiviral agents (DAAs). METHODS: This prospective-observational cohort study included Japanese patients with chronic HCV-1/2/3 infections (n = 271: 183 in Arm A and 83 in Arm B), who had started receiving GLE/PIB. Primary end point was a sustained virological response (SVR) rate at week 12 (SVR12) after the end of GLE/PIB treatment (EOT). RESULTS: SVR12 was achieved by 99.4% of patients (180/181: modified intention-to-treat (mITT) analysis excluding 2 patients lost to follow-up) in Arm A. One patient with an HCV-3b infection who discontinued at week 8 failed to achieve SVR12. SVR12 was achieved by 97.7% of patients (85/87: mITT excluding 1 patient lost to follow-up) in Arm B. Virological relapse occurred in 2 patients with HCV-1b, presenting common 5 loci of resistance-associated substitutions (RASs) including A92 RASs in the NS5A lesion at baseline. Any adverse events (AEs) (grade >/= 3) occurred in 8 patients (3.0%). 8 patients (3.0%) discontinued due to AEs, however, all of them achieved SVR12. CONCLUSIONS: Initial and re-treatment with GLE/PIB are effective and safe for Japanese patients with HCV-1/2/3 in real-life settings. Further studies are required to elucidate the mechanism underlying treatment failures of GLE/PIB to completely eradicate HCV worldwide. FAU - Sezaki, Hitomi AU - Sezaki H AUID- ORCID: 0000-0002-4282-0934 AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. hitomis@mx1.harmonix.ne.jp. FAU - Suzuki, Fumitaka AU - Suzuki F AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Hosaka, Tetsuya AU - Hosaka T AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Fujiyama, Shunichirou AU - Fujiyama S AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Kawamura, Yusuke AU - Kawamura Y AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Akuta, Norio AU - Akuta N AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Kobayashi, Masahiro AU - Kobayashi M AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Suzuki, Yoshiyuki AU - Suzuki Y AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Saitoh, Satoshi AU - Saitoh S AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Arase, Yasuji AU - Arase Y AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Ikeda, Kenji AU - Ikeda K AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. FAU - Kobayashi, Mariko AU - Kobayashi M AD - Research Institute for Hepatology, Toranomon Hospital, Tokyo, Japan. FAU - Kumada, Hiromitsu AU - Kumada H AD - Department of Hepatology, Toranomon Hospital, 2-2-2 Toranomon, Minato-ku, Tokyo, 105-8470, Japan. LA - eng PT - Journal Article PT - Observational Study DEP - 20190322 PL - Japan TA - J Gastroenterol JT - Journal of gastroenterology JID - 9430794 RN - 0 (Antiviral Agents) RN - 0 (Benzimidazoles) RN - 0 (Drug Combinations) RN - 0 (Pyrrolidines) RN - 0 (Quinoxalines) RN - 0 (RNA, Viral) RN - 0 (Sulfonamides) RN - 0 (glecaprevir and pibrentasvir) SB - IM MH - Aged MH - Antiviral Agents/administration & dosage/adverse effects/*therapeutic use MH - Benzimidazoles/administration & dosage/adverse effects/*therapeutic use MH - Drug Administration Schedule MH - Drug Combinations MH - Drug Resistance, Viral MH - Female MH - Hepacivirus/drug effects/*genetics MH - Hepatitis C, Chronic/complications/*drug therapy/virology MH - Humans MH - Liver Cirrhosis/virology MH - Male MH - Middle Aged MH - Prospective Studies MH - Pyrrolidines/administration & dosage/adverse effects/*therapeutic use MH - Quinoxalines/administration & dosage/adverse effects/*therapeutic use MH - RNA, Viral/blood MH - Retreatment/adverse effects/methods MH - Sulfonamides/administration & dosage/adverse effects/*therapeutic use MH - Sustained Virologic Response MH - Treatment Outcome OTO - NOTNLM OT - Direct-acting antiviral agents OT - Glecaprevir OT - Pibrentasvir OT - Resistance-associated substitutions OT - Sustained viral response EDAT- 2019/03/25 06:00 MHDA- 2020/07/22 06:00 CRDT- 2019/03/24 06:00 PHST- 2019/01/29 00:00 [received] PHST- 2019/03/17 00:00 [accepted] PHST- 2019/03/25 06:00 [pubmed] PHST- 2020/07/22 06:00 [medline] PHST- 2019/03/24 06:00 [entrez] AID - 10.1007/s00535-019-01575-9 [pii] AID - 10.1007/s00535-019-01575-9 [doi] PST - ppublish SO - J Gastroenterol. 2019 Oct;54(10):916-927. doi: 10.1007/s00535-019-01575-9. Epub 2019 Mar 22.