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. 2024 Mar;43(3):718-731.
doi: 10.1111/dar.13802. Epub 2023 Dec 22.

Hepatitis C virus cure from direct-acting antivirals and mortality: Are people with and without a history of injection drug use in the same boat? (ANRS CO22 Hepather cohort)

Tangui Barré  1 , Marc Bourlière  1   2 , Lucia Parlati  3 , Clémence Ramier  1 , Fabienne Marcellin  1 , Camelia Protopopescu  1 , Vincent Di Beo  1 , Carole Cagnot  4 , Celine Dorival  5 , Jérôme Nicol  5 , Fabien Zoulim  6   7   8 , Fabrice Carrat  9 , Patrizia Carrieri  1 ; ANRS/AFEF Hepather Study group
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Hepatitis C virus cure from direct-acting antivirals and mortality: Are people with and without a history of injection drug use in the same boat? (ANRS CO22 Hepather cohort)

Tangui Barré et al. Drug Alcohol Rev. 2024 Mar.

Abstract

Introduction: The risk of mortality in people with a history of injection drug use (PHID) is high, as is the prevalence of hepatitis C virus (HCV) infection. Although direct-acting antivirals (DAA) are effective in this population in terms of sustained virological response, it is not known whether PHID benefit as much as people with no history of injection drug use from DAA-related HCV cure in terms of reduced all-cause mortality.

Methods: Using Cox proportional hazards models based on the ANRS CO22 Hepather cohort data (n = 9735), we identified factors associated with all-cause mortality among HCV-infected people. We tested for interaction effects between drug injection status, HCV cure and other explanatory variables.

Results: DAA-related HCV cure was associated with a 66% (adjusted hazard ratio [95% confidence interval]: 0.34 [0.29-0.39]) lower risk of all-cause mortality, irrespective of drug injection status. Detrimental effects of unhealthy alcohol use on mortality were identified in PHID only.

Discussion and conclusions: DAA-related HCV cure led to comparable benefits in terms of reduced mortality in PHID and people with no history of injection drug use. Policies and strategies to enhance DAA uptake among PHID are needed to lower mortality in this population. Clinical trial registration details: ClinicalTrials.gov: NCT01953458.

Keywords: France; direct-acting antivirals; drug injection; hepatitis C virus; mortality.

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