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Community-Based Assessment and Treatment of Hepatitis C Virus-Related Liver Disease, Injecting Drug and Alcohol Use
A Hashim1, L Macken1, Am Jones2
1Department of Gastroenterology and Hepatology, University Hospitals Sussex NHS Foundation Trust, Brighton, United Kingdom; Department of Clinical and Experimental Medicine, Brighton and Sussex Medical School, Brighton, United Kingdom.
Background/Aims:
We performed a systematic review and meta-analysis addressing community-based assessment and treatment of hepatitis C virus (HCV)-related liver disease, injecting drug use (IDU) and alcohol use amongst people who are homeless (PWAH).
Methods:
Using systematic review methodology, databases were searched (MEDLINE/EMBASE/CINAHL) for studies combining PWAH, HCV-related liver disease and community assessment until December 2019. Studies with a sample size ≥ 30, with PWAH constituting at least 30% of the cohort were included and a quality assessment performed. Pooled estimates of key indicators were analysed using meta-analysis.
Results:
We identified 39 studies (n = 13,918), 37 categorised as poor quality (Newcastle-Ottawa Scale). Prevalence of homelessness ranged between 30%-100% (37 studies). Eight studies provided all of the following: HCV screening, alcohol/substance use/liver fibrosis assessment and HCV treatment. No study provided interventions for alcohol use, with two providing opioid substitution treatment. Alcohol use prevalence (24 studies) was 4%-97%, being 59% (95% CI 20%-92%) in four studies that included only PWAH. Recent IDU prevalence (16 studies) was 7%-73%, being 21% (95% CI 17%-26%) in four studies that included only PWAH. HCV seroprevalence (25 studies) was 2.5% - 58%; in 13 studies that included only PWAH, this was 20% (95% CI 12%-30%). Prevalence of F4 fibrosis (nine studies) was 6%-28%, being 7% and 16% in two studies that included only PWAH. Direct acting antiviral-based intention-to-treat sustained virological response (SVR) rates (five studies) were 82%-92%, being 92% in the one study that included only PWAH. In the only two randomised controlled trials (RCT) identified, community-based interventions (mental health/peer mentor) significantly increased linkage to care (p = 0.04), HCV treatment (p = 0.005) and SVR rates (p = 0.018).
Conclusion:
The burden from alcohol/IDU and HCV, and consequently liver disease in PWAH needs addressing. RCT trials assessing community-based interventions to improve liver health in PWAH are needed.
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