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. 2023 Dec 13:36:100792.
doi: 10.1016/j.lanepe.2023.100792. eCollection 2024 Jan.

Prevalence of chronic HCV infection in EU/EEA countries in 2019 using multiparameter evidence synthesis

Christos Thomadakis  1 Ilias Gountas  1 Erika Duffell  2 Konstantinos Gountas  1 Benjamin Bluemel  2 Thomas Seyler  3 Filippo Maria Pericoli  3 Irene Kászoni-Rückerl  4 Ziad El-Khatib  5 Martin Busch  6 Irene Schmutterer  6 Thomas Vanwolleghem  7   8 Sofieke Klamer  9 Els Plettinckx  9 Laure Mortgat  9 Dominique Van Beckhoven  9 Tonka Varleva  10 Mirjana Lana Kosanovic Licina  11 Tatjana Nemeth Blazic  12 Diana Nonković  13   14 Fanitsa Theophanous  15 Vratislav Nemecek  16 Marek Maly  17 Peer Brehm Christensen  18   19 Susan Cowan  20 Kristi Rüütel  21 Henrikki Brummer-Korvenkontio  22 Cécile Brouard  23 Gyde Steffen  24 Amrei Krings  24 Sandra Dudareva  24 Ruth Zimmermann  24 Georgia Nikolopoulou  25 Zsuzsanna Molnár  26 Emese Kozma  26 Magnús Gottfredsson  27   28 Niamh Murphy  29 Loreta A Kondili  30   31 Maria Elena Tosti  30 Anna Rita Ciccaglione  32 Barbara Suligoi  33 Raina Nikiforova  34 Renate Putnina  34 Ligita Jancoriene  35 Carole Seguin-Devaux  36 Tanya Melillo  37 Anders Boyd  38   39   40 Marc van der Valk  39   40 Eline Op de Coul  41 Robert Whittaker  42 Hilde Kløvstad  42 Małgorzata Stępień  43 Magdalena Rosińska  43 Cristina Valente  44 Rui Tato Marinho  45 Odette Popovici  46 Mária Avdičová  47 Jana Kerlik  47 Irena Klavs  48 Mojca Maticic  49 Asuncion Diaz  50 Julia Del Amo  51 Josefine Lundberg Ederth  52 Maria Axelsson  52 Georgios Nikolopoulos  1
Affiliations

Prevalence of chronic HCV infection in EU/EEA countries in 2019 using multiparameter evidence synthesis

Christos Thomadakis et al. Lancet Reg Health Eur. .

Abstract

Background: Epidemiological data are crucial to monitoring progress towards the 2030 Hepatitis C Virus (HCV) elimination targets. Our aim was to estimate the prevalence of chronic HCV infection (cHCV) in the European Union (EU)/European Economic Area (EEA) countries in 2019.

Methods: Multi-parameter evidence synthesis (MPES) was used to produce national estimates of cHCV defined as: π = πrecρrec + πexρex + πnonρnon; πrec, πex, and πnon represent cHCV prevalence among recent people who inject drugs (PWID), ex-PWID, and non-PWID, respectively, while ρrec, ρex, and ρnon represent the proportions of these groups in the population. Information sources included the European Centre for Disease Prevention and Control (ECDC) national operational contact points (NCPs) and prevalence database, the European Monitoring Centre for Drugs and Drug Addiction databases, and the published literature.

Findings: The cHCV prevalence in 29 of 30 EU/EEA countries in 2019 was 0.50% [95% Credible Interval (CrI): 0.46%, 0.55%]. The highest cHCV prevalence was observed in the eastern EU/EEA (0.88%; 95% CrI: 0.81%, 0.94%). At least 35.76% (95% CrI: 33.07%, 38.60%) of the overall cHCV prevalence in EU/EEA countries was associated with injecting drugs.

Interpretation: Using MPES and collaborating with ECDC NCPs, we estimated the prevalence of cHCV in the EU/EEA to be low. Some areas experience higher cHCV prevalence while a third of prevalent cHCV infections was attributed to PWID. Further efforts are needed to scale up prevention measures and the diagnosis and treatment of infected individuals, especially in the east of the EU/EEA and among PWID.

Funding: ECDC.

Keywords: Chronic hepatitis; Elimination; Europe; HCV; Hepatitis C; Prevalence.

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Conflict of interest statement

IG: He is currently an employee of MSD Greece. He joined MSD after his post-doctoral work at the University of Cyprus. TV: He has received grants from Gilead Sciences and Bristol Myers Squibb; he has served as a consultant for Janssen Pharmaceuticals, Gilead Sciences, AbbVie, Bristol Myers Squibb; and he has served as a sponsored lecturer for Gilead Sciences and Abbvie. PBC: He has received unrestricted research grants for other studies from Abbvie, Gilead, and MSD. MG: He has received consultancy and speaker’s fees from Gilead Sciences. LAK: She has received personal lecturer fee from Abbvie and Gilead Sciences and an institutional grant from Gilead Italy Fellowship 2022. LJ: She has received honorarium for lectures from AbbVie and MSD; offered consultancy to AbbVie, MSD, Tamro; and received conference attending fee from AbbVie, MSD, Pfizer, Swixx Biopharma. CSD: She has received educational and research grants for other studies from Abbvie and Gilead Sciences. MV: He participated in advisory boards (ViiV, Gilead, and MSD–fees paid to his institution); he has received independent research grants from ViiV and Gilead (paid to his institution). CV: She has received honorarium for lectures and consultancy from AbbVie, Gilead, MSD, and ViiV Healthcare. AD: She has received a grant for another study and speaker fee at a conference about HIV from Gilead Sciences. AB: He has received speaker's fees from Gilead Sciences. GN: He has received an ASKLEPIOS grant (HIV-related competitive grant) from Gilead Sciences (Greece). All other authors declare no conflict of interest.

Figures

Fig. 1
Fig. 1
Prevalence (%) of chronic hepatitis C virus (HCV) infection (cHCV) in European Union—European Economic Area (EU/EEA) countries. Notes: HCV-RNA prevalence is used as a proxy for cHCV; Population: 15–79 years old.
Fig. 2
Fig. 2
Least proportion (%) of prevalence of chronic hepatitis C virus (HCV) infection (cHCV) that is attributed to injection drug use in the European Union—European Economic Area (EU/EEA). Notes: HCV-RNA prevalence is used as a proxy for cHCV; Population: 15–79 years old.

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