Hepatitis C treatment outcome among people in prison: The SToP‐C study

Author:

Ryan Hannah1ORCID,Dore Gregory J.1ORCID,Grebely Jason1ORCID,Byrne Marianne1,Cunningham Evan B.1ORCID,Martinello Marianne1ORCID,Lloyd Andrew R.1ORCID,Hajarizadeh Behzad1ORCID

Affiliation:

1. The Kirby Institute, UNSW Sydney Sydney New South Wales Australia

Abstract

AbstractBackground and AimsHepatitis C virus (HCV) burden is higher among people in prison given high prevalence of injecting drug use. This study evaluated direct‐acting antiviral (DAA) treatment outcome in prisons.MethodsThe Surveillance and Treatment of Prisoners with hepatitis C (SToP‐C) study enrolled individuals incarcerated in four Australian prisons (2017–2019). Participants with detectable HCV RNA were offered sofosbuvir‐velpatasvir for 12 weeks. Sustained virological response (SVR) was assessed in intention‐to‐treat (ITT; participants commencing treatment and due for SVR assessment before study close) and per‐protocol (PP; participants with documented treatment completion and SVR assessment) populations.ResultsAmong 799 participants with HCV, 324 (41%) commenced treatment (94% male; median age, 32 years; median duration of incarceration, 9 months). In ITT population (n = 310), 201 had documented treatment completion (65% [95% CI: 59–70]), and 137 achieved SVR (ITT‐SVR: 44% [95% CI: 39–50]). In PP population (n = 143), 137 achieved SVR (PP‐SVR: 96% [95% CI: 91–98]). Six participants had quantifiable HCV RNA at SVR assessment from treatment failure (n = 2) or reinfection (n = 4). Release or inter‐prison transfer was common reasons for no documented treatment completion (n = 106/109 [97%]) and no SVR assessment (n = 57/58 [98%]). In ITT analysis, longer incarceration was associated with increased SVR (adjusted OR per month 1.03 [95% CI: 1.01–1.04]).ConclusionAmong participants who completed DAA treatment and were assessed for SVR, treatment outcome was consistent with non‐prison clinical studies. However, most individuals did not complete treatment or lacked study‐documented treatment outcome due to release or transfer. Strategies to accommodate dynamic prisoner populations are required to ensure continuity of HCV care, including treatment completion and post‐treatment care.

Funder

Gilead Sciences

National Health and Medical Research Council

Publisher

Wiley

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