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Scand J Infect Dis. 2010 Dec;42(11-12):896-901. doi: 10.3109/00365548.2010.498019. Epub 2010 Jul 7.

IP-10 predicts the first phase decline of HCV RNA and overall viral response to therapy in patients co-infected with chronic hepatitis C virus infection and HIV.

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  • 1Department of Medicine Solna, Infectious Diseases Unit, Karolinska Institutet, Sweden.


The aim of this study was to investigate the utility of baseline plasma interferon-gamma inducible protein-10 (IP-10) levels in human immunodeficiency virus (HIV)-hepatitis C virus (HCV) co-infected patients. Baseline IP-10 was monitored during HCV combination therapy in 21 HIV-HCV co-infected patients (HCV genotype 1 (n = 16), 2 (n = 2), and 3 (n = 3)). Lower baseline IP-10 was significantly associated with a rapid decline in HCV RNA, in particular with the first phase reduction, and similar cut-off levels (< 150 and > 600 pg/ml) as in HCV mono-infected patients apply. In conclusion, baseline IP-10 < 150 pg/ml is predictive of a favourable viral response to HCV therapy in HIV-HCV co-infected patients, and may thus be useful in encouraging such difficult-to-treat patients to initiate therapy.


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