Summary
Aim
To assess the adherence to treatment, sustained virologic response (SVR) rate, and reinfection rate in hepatitis C patients with and without intravenous drug use.
Methods
This retrospective study included hepatitis C patients, evaluated and treated in our hepatology outpatient clinic between January 2014 and October 2019.
The following information was extracted from the patient’s file: the presence of positive viral load for hepatitis C virus (HCV), active and recent (in the last 6 months) use of i.v. drugs, HCV genotype, treatment regimen, SVR, HCV reinfection rate, coinfection with human immunodeficiency virus (HIV) and ongoing opioid substitution therapy (OST).
Results
We included 431 hepatitis C patients, 234 people who inject drugs (PWID) and 197 non-PWID. Most patients were treated with direct-acting antivirals (DAA) only.
The rate of documented SVR by treated patients was significantly higher in the non-PWID cohort (91.5% vs. 61.5%, p < 0.0001), while noncompliance (did not show up to start treatment) rate or refusal of treatment was significantly higher in the PWID cohort (19.4% vs. 8.9%, p = 0.004).
In the PWID cohort, younger age and recent (in the last 6 months) or ongoing i.v. drug use was associated with noncompliance: 31.1 ± 8.4 years vs. 35.8 ± 10.6 years (p = 0.02) and 33.3% vs. 12.8% (p = 0.0008), respectively.
Ongoing OST was associated with better compliance: 61.1% vs. 46.1% (p = 0.04).
Conclusion
To achieve elimination of hepatitis C better treatment strategies are needed, especially in PWIDs.
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Abbreviations
- DAA:
-
Direct-acting antivirals
- EOT:
-
End of treatment
- HCV:
-
Hepatitis C virus
- HIV:
-
Human immunodeficiency virus
- Non-PWID:
-
People who do not inject drugs
- OST:
-
Opioid substitution therapy
- PegIFN:
-
Pegylated interferon
- PWID:
-
People who inject drugs
- SVR:
-
Sustained virologic response
- WHO:
-
World Health Organization
References
WHO. Global surveillance and control of Hepatitis C. Report of a WHO Consultation organized in collaboration with the Viral Hepatitis Prevention Board, Antwerp, Belgium. J Viral Liver. 1999;6:34–5.
https://www.who.int/news-room/fact-sheets/detail/hepatitis-c. Accessed: 12. October 2020.
Kandeel A, Genedy M, El-Refai S, et al. The prevalence of hepatitis C virus infection in Egypt 2015: implications for future policy on prevention and treatment. Liver Int. 2017;37:45–53.
Gheorghe L, Csiki IE, Iacob S, et al. The prevalence and risk factors of hepatitis C virus infection in adult population in Romania: a nationwide survey 2006–2008. J Gastrointestin Liver Dis. 2010;19:373–9.
https://cdafound.org/dashboard/polaris/maps_prev.html. Accessed 28 Mar 2020.
The Polaris Observatory HCV Collaborators. Global prevalence and genotype distribution of hepatitis C virus infection in 2015: a modelling study. Lancet Gastroenterol Hepatol. 2017;2:161–76.
Di Bisceglie AM, Martin P, Kassianides C, et al. Recombinant interferon alfa therapy for chronic hepatitis C. A randomized, double-blind, placebo-controlled trial. N Engl J Med. 1989;321:1506–10.
Chemello L, Cavalletto L, Bernardinello E, et al. The effect of interferon alfa and ribavirin combination therapy in naive patients with chronic hepatitis C. J Hepatol. 1995;23(Suppl 2):8–12.
Manns MP, McHutchison JG, Gordon SC, et al. Peginterferon alfa-2b plus ribavirin compared with interferon alfa-2b plus ribavirin for initial treatment of chronic hepatitis C: a randomised trial. Lancet. 2001;358:958–65.
Marcellin P, Cheinquer H, Curescu M, et al. High sustained virologic response rates in rapid virologic response patients in the large real-world PROPHESYS cohort confirm results from randomized clinical trials. Hepatology. 2012;56:2039–50.
Afdhal N, Reddy KR, Nelson DR, et al. Ledipasvir and sofosbuvir for previously treated HCV genotype 1 infection. N Engl J Med. 2014;370:1483–893.
Afdhal N, Zeuzem S, Kwo P, et al. ION‑1 Investigators. Ledipasvir and sofosbuvir for untreated HCV genotype 1 infection. N Engl J Med. 2014;370:1889–98.
Toyoda H, Atsukawa M, Watanabe T, et al. Real-world experience of 12-week direct-acting antiviral regimen of glecaprevir and pibrentasvir in patients with chronic hepatitis C virus infection. J Gastroenterol Hepatol. 2019; https://doi.org/10.1111/jgh.14874.
Buggisch P, Wursthorn K, Stoehr A, et al. Real-world effectiveness and safety of sofosbuvir/velpatasvir and ledipasvir/sofosbuvir hepatitis C treatment in a single centre in Germany. PLoS ONE. 2019;14:e214795.
World Health Organization. Global health sector strategy on viral hepatitis, 2016–2021. Geneva: World Health Organization; 2016.
Heffernan A, Cooke GS, Nayagam S, et al. Scaling up prevention and treatment towards the elimination of hepatitis C: a global mathematical model. Lancet. 2019;393:1319–29.
Pedrana A, Howell J, Schröder S, et al. Eliminating viral hepatitis: the investment case. Doha: World Innovation Summit for Health; 2018.
https://cdafound.org/dashboard/polaris/maps.html#pablo. Accessed 28 Mar 2020.
Burnet Institute. The Prime study: treating hepatitis C in primary healthcare setting. 2018. www.burnet.edu.au. Accessed: 12. October 2020.
Litwin AH, Agyemang L, Akiyama M, et al. The PREVAIL Study: Intensive models of HCV care for people who inject drugs. J Hepatol. 2017;66(Supplement):72.
Schmidbauer C, Schuetz A, Schwanke C, et al. Interim results of an ongoing project to eliminate chronic hepatitis C in people who inject drugs with ongoing intravenous drug use and a high risk of non-adherence to direct-acting antivirals in Vienna. J Hepatol. 2019;70:e239.
Alimohammadi A, Holeksa J, Thiam A, et al. Real-world efficacy of direct-acting antiviral therapy for HCV infection affecting people who inject drugs delivered in a multidisciplinary setting. Open Forum Infect Dis. 2018;5:ofy120.
Lampertico P, Carrión JA, Curry M, et al. Real-world effectiveness and safety of glecaprevir/pibrentasvir for the treatment of patients with chronic HCV infection: a meta-analysis. J Hepatol. 2020; https://doi.org/10.1016/j.jhep.2020.01.025.
Rossi C, Butt ZA, Wong S, et al. Hepatitis C virus reinfection after successful treatment with direct-acting antiviral therapy in a large population-based cohort. J Hepatol. 2018;69:1007–14.
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M. Peck-Radosavljevic declares consultation and speaker fees from AbbVie, Gilead, MSD. S. Bota: declares speaker fees from AbbVie. F. Hucke, C. Urak, K. Flatscher and M. Razpotnik declare that they have no competing interests.
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This study was approved by the ethics committee of our institution (approval number A38/18), and the study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki as reflected in a priori approval by the institution’s human research committee.
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Bota, S., Razpotnik, M., Hucke, F. et al. Challenges in hepatitis C elimination despite highly effective antiviral agents in patients with and without intravenous drug use. Wien Klin Wochenschr 133, 641–646 (2021). https://doi.org/10.1007/s00508-021-01868-1
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DOI: https://doi.org/10.1007/s00508-021-01868-1