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High HCV treatment uptake in the Swedish HIV/HCV co-infected cohort
Jenny Stenkvist1, Ola Weiland, Anders Sönnerborg
1From the Unit of Infectious Diseases, Department of Medicine , Huddinge , Karolinska Institutet , Sweden.
Insights
Hepatitis C virus (HCV) treatment uptake was 25% in Swedish HIV/HCV co-infected patients, comparable to HCV mono-infected individuals. Intravenous drug use was linked to lower HCV treatment initiation.
Area of Science:
- Hepatology
- Infectious Diseases
- Public Health
Background:
- Hepatitis C virus (HCV) co-infection is a significant cause of mortality in patients with human immunodeficiency virus (HIV).
- Treatment uptake for HCV is often lower in HIV/HCV co-infected patients compared to those with HCV mono-infection, despite clear indications for treatment.
Purpose of the Study:
- To assess HCV treatment uptake among HIV/HCV co-infected patients in Sweden.
- To identify factors influencing the initiation or deferral of HCV treatment in this population.
Main Methods:
- Analysis of data from 652 HIV/HCV co-infected patients within the Swedish InfCare HIV database (September 2010).
- Investigation of factors associated with interferon-based HCV treatment initiation.
- Exploration of patient- and physician-reported reasons for treatment deferral in a subgroup.
Main Results:
- Prevalence of anti-HCV was 14%, with a chronic HCV infection rate of 11%.
- HCV treatment was initiated by 25% of co-infected patients.
- Factors associated with higher treatment rates included HCV genotype 2 or 3, HIV transmission via non-intravenous drug use routes, and ongoing HIV treatment. Intravenous drug use or alcohol abuse were primary reasons for deferring treatment.
Conclusions:
- The prevalence of anti-HCV in Swedish HIV-infected patients was relatively low internationally.
- The 25% HCV treatment rate in HIV/HCV co-infected patients was comparable to rates in HCV mono-infected patients in Sweden.
- Individuals with a history of injecting drug use exhibited the lowest HCV treatment uptake.
Background:
HCV co-infection is a leading cause of death in HIV-positive patients. Despite a strong indication for the treatment of HCV, treatment uptake is generally lower than in HCV mono-infected patients. The aim of this study was to determine the HCV treatment uptake and to define factors associated with initiation or deferral of HCV treatment in Swedish HIV/HCV co-infected patients.
Methods:
All 5315 adult HIV-positive patients in Sweden are included in the InfCare HIV database. Demographic, virologic, and treatment data for 652 HIV/HCV co-infected patients were extracted from this database in September 2010. Factors associated with initiation of interferon-based HCV treatment were analysed. Patient- and physician-reported reasons for deferring HCV treatment were investigated in a subgroup.
Results:
The anti-HCV prevalence was 14% and the chronic HCV infection rate 11%. In total, 25% of HIV/HCV co-infected patients had initiated HCV treatment. HCV genotype 2 or 3, HIV transmission route other than intravenous drug use, and ongoing HIV treatment were factors associated with a higher HCV treatment rate. The main reason for not having initiated HCV treatment was intravenous drug use or alcohol abuse.
Conclusions:
The 14% prevalence of anti-HCV noted in Swedish HIV-infected patients was low by international comparisons. The 25% HCV treatment rate noted in our HIV/HCV co-infected patients was high and of the same magnitude as that published for HCV mono-infected patients in Sweden. People who inject drugs had the lowest HCV treatment uptake.
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