High spontaneous clearance of symptomatic iatrogenic acute hepatitis C genotype 4 infection

Journal of Medical Virology
Mohamed HashemImam Waked

Abstract

Acute hepatitis C (AHC) infection resolves spontaneously in 15% to 40% of patients. Factors favoring spontaneous viral clearance remain undefined. In this study, predictors of spontaneous viral clearance in patients with symptomatic AHC were investigated. Epidemiological, clinical, and virologic parameters were also examined. Patients with symptomatic AHC were enrolled and followed up prospectively. The patients were followed up every 2 weeks in the first month and then monthly for the following 5 months, with a follow-up visit 6 months after the last hepatitis C virus (HCV)-RNA negative sample for those who had cleared the virus. Interleukin (IL)-28B.rs12979860 single-nucleotide polymorphism and HCV genotype were tested at baseline. HCV-RNA was tested during each visit. Patients who remained RNA-positive at 24 weeks were treated with pegylated interferon plus ribavirin for 24 weeks. A total of 30 patients, mostly with iatrogenically acquired AHC genotype 4 infections completed 6-months' follow-up, to either spontaneous clearance or start of treatment. The mean age of the patients was 37 ± 13 years. In total, 67% of patients were females, and the mean incubation period was 7.6 ± 3.5 weeks. Viral clearance occurred spontaneously...Continue Reading

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