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Observational Study
. 2022 Jul 14;14(7):1541.
doi: 10.3390/v14071541.

Real-World Safety, Effectiveness, and Patient-Reported Outcomes in Patients with Chronic Hepatitis C Virus Infection Treated with Glecaprevir/Pibrentasvir: Updated Data from the German Hepatitis C-Registry (DHC-R)

Affiliations
Observational Study

Real-World Safety, Effectiveness, and Patient-Reported Outcomes in Patients with Chronic Hepatitis C Virus Infection Treated with Glecaprevir/Pibrentasvir: Updated Data from the German Hepatitis C-Registry (DHC-R)

Markus Cornberg et al. Viruses. .

Abstract

Using data from the German Hepatitis C-Registry (Deutsche Hepatitis C-Register, DHC-R), we report the real-world safety and effectiveness of glecaprevir/pibrentasvir (GLE/PIB) treatment and its impact on patient-reported outcomes (PROs) in underserved populations who are not typically included in clinical trials, yet who will be crucial for achieving hepatitis C virus (HCV) elimination. The DHC-R is an ongoing, non-interventional, multicenter, prospective, observational cohort study on patients treated for chronic HCV infection in Germany. The data cutoff was 17 January 2021. The primary effectiveness endpoint was sustained virologic response at post-treatment Week 12 (SVR12). Safety outcomes were assessed in all patients receiving GLE/PIB. PROs were assessed using the SF-36 survey. Of 2354 patients, 1964 had valid SVR12 data (intention-to-treat analysis). Of these, 1905 (97.0%) achieved SVR12 with rates similar across the comorbidities analyzed, except for people who actively use drugs (PWUD (active)) (86.4%). Excluding those who discontinued treatment and did not achieve SVR12, or were reinfected with HCV, the rate was 99.3%, with similar results regardless of comorbidity. PWUD (active) and those with psychiatric disorders had the most meaningful improvements in PROs. Adverse events (AEs) occurred in 631/2354 patients (26.8%), and serious AEs in 44 patients (1.9%). GLE/PIB was highly effective and well tolerated in this real-world study of patient groups key to HCV elimination.

Keywords: German Hepatitis C-Registry; direct-acting antiviral; glecaprevir/pibrentasvir; hepatitis C virus; real world evidence.

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Conflict of interest statement

Markus Cornberg has served as a consultant/advisory board member/investigator/speaker for AbbVie, Gilead, GlaxoSmithKline, Janssen-Cilag, Merck/MSD, Novartis, Roche, Spring Bank Pharmaceuticals, and Swedish Orphan Biovitrum, and received research grants from Roche. Albrecht Stoehr has served as a speaker and advisory board member for AbbVie, Gilead, Janssen, Merck/MSD, Roche, and GSK/ViiV Healthcare. Uwe Naumann has served as a speaker/advisory board member for AbbVie, Gilead, Merck/MSD, Mundipharma, and GSK/ViiV Healthcare. Gerlinde Teuber has served as a speaker for AbbVie and BMS, and is on an advisory board for Janssen, Gilead, and Merck/MSD. Hartwig Klinker has served as a speaker and advisory board member for AbbVie, BMS, Gilead, Janssen, Merck/MSD, Pfizer, Shionogi, and GSK/ViiV Healthcare, and received research funding from AbbVie, Arrowhead, BMS, Gilead, Hector Foundation, Janssen, and Merck/MSD. Thomas Lutz received research funding from AbbVie, Gilead, GSK/ViiV Healthcare, Merck/MSD, and Heidelberg Immunotherpeutics. Hjördis Möller has no conflicts to disclose. Dennis Hidde and Kristina Lohmann are employees of AbbVie and may hold AbbVie stock or options. Karl-Georg Simon has served as a speaker/advisory board member for AbbVie, Falk, Gilead, Janssen, Merck/MSD, and Norgine.

Figures

Figure 1
Figure 1
SVR12 rates in the effectiveness population according to (A) HCV genotype and (B) key comorbidities and migrant status (primary effectiveness endpoint). Patients who discontinued GLE/PIB prematurely and achieved SVR12 were counted as virologic responders (n = 11). EP-mITT analysis excluded patients who discontinued GLE/PIB prematurely and did not achieve SVR12, and patients with HCV reinfection. n = 258 patients in the EP-ITT population were cirrhotic; 252 (97.7%) of these patients achieved SVR12. CIS, Commonwealth of Independent States (Armenia, Azerbaijan, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, and Uzbekistan); EP, effectiveness population; GT, genotype; HCV, hepatitis C virus; HIV, human immunodeficiency virus; ITT, intention to treat; mITT, modified intention to treat; OST, opioid substitution therapy; PWUD (active), people who actively use drugs; SVR12, sustained virologic response at PTW12.
Figure 2
Figure 2
SVR12 rates among TN patients who received GLE/PIB according to cirrhosis status and treatment duration. CC, compensated cirrhosis; EP, effectiveness population; HCV, hepatitis C virus; ITT, intention to treat; mITT, modified intention to treat; TN, treatment-naïve; SVR12, sustained virologic response at PTW12.
Figure 3
Figure 3
SVR12 rates among TN patients who received GLE/PIB for 8 weeks according to (A) HCV genotype and (B) key comorbidities and migrant status. Patients who discontinued GLE/PIB prematurely and achieved SVR12 were counted as virologic responders (n = 11). EP-mITT analysis excluded patients who discontinued GLE/PIB prematurely and did not achieve SVR12, or patients with HCV reinfection. CIS, Commonwealth of Independent States (Armenia, Azerbaijan, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, and Uzbekistan); EP, effectiveness population; GT, genotype; HCV, hepatitis C virus; HIV, human immunodeficiency virus; ITT, intention to treat; mITT, modified intention to treat; OST, opioid substitution therapy; PWUD (active), people who actively use drugs; SVR12, sustained virologic response at PTW12.
Figure 4
Figure 4
Percentage of patients with a clinically relevant improvement (≥2.5-point increase from baseline to PTW12) in (A) SF-36 physical component summary score and (B) SF-36 mental component summary score, according to key comorbidities and migrant status. CIS, Commonwealth of Independent States (Armenia, Azerbaijan, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, and Uzbekistan); HIV, human immunodeficiency virus; OST, opioid substitution therapy; PTW, post-treatment week; PWUD (active), people who actively use drugs.

References

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