Baseline risk factors for relapse in HIV/HCV co-infected patients treated with PEG-IFN/RBV |
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Authors: | A Rivero-Juarez J A Mira A Camacho K Neukam I Perez-Camacho A Caruz J Macias J Torre-Cisneros J A Pineda A Rivero |
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Institution: | 1. Unidad de Enfermedades Infecciosas, Instituto Maimonides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofia, Córdoba, Spain 2. Unidad de Enfermedades Infecciosas, Hospital Universitario Virgen de Valme, Sevilla, Spain 3. Hospital de Poniente, El Ejido, Almería, Spain 4. Departamento de Biología Molecular, Universidad de Jaen, Jaén, Spain
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Abstract: | Purpose Hepatitis C virus (HCV) viral relapse (VR) after end-of-treatment response (ETR) in human immunodeficiency virus (HIV) co-infected patients is observed in as many as one in three co-infected patients. The aim of the study was to identify baseline risk factors for VR in HIV/HCV co-infected patients treated with pegylated interferon plus ribavirin (PEG-INF/RBV). Methods A total of 212 Caucasian HIV-infected patients with chronic hepatitis C naïve for PEG-INF/RBV were followed prospectively. Patients were included in this prospective study if they had completed a full course of therapy with an ETR. We assessed the relationship between VR rate and potential predictors of relapse. Results Of the patients followed, 130 (61.3 %) attained ETR and 103 (79.2 %) achieved sustained virological response (SVR). Consequently, 27 (20.8 %) showed VR. Patients who relapsed were more often male (p = 0.036), carried the non-CC rs14158 genotype in the low-density lipoprotein receptor (LDLr) gene (p = 0.039), had higher baseline HCV RNA levels (p = 0.012), body mass index (BMI) ≥25 kg/m2 (p = 0.034), significant liver fibrosis (p < 0.001), had been diagnosed with acquired immunodeficiency syndrome (AIDS)-defining criteria in the past (p = 0.001) and bore the HCV genotypes 1/4 (p = 0.046) when compared with SVR patients. The IL28B genotype was not associated with relapse. Multivariate binary logistic regression showed that high baseline HCV RNA, significant liver fibrosis, HCV genotypes 1/4, being overweight and being diagnosed with AIDS-defining criteria in the past were independently associated with relapse. Conclusions Our study shows that VR can be accurately predicted in HIV/HCV co-infected patients on the basis of risk factors which can be identified before treatment. |
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