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  • Title: Low incidence of severe liver events in HIV patients with and without hepatitis C or B coinfection receiving lopinavir/ritonavir.
    Author: Palacios R, Vergara S, Rivero A, Aguilar I, Macías J, Camacho A, Lozano F, García-Lázaro M, Pineda JA, Torre-Cisneros J, Márquez M, Santos J.
    Journal: HIV Clin Trials; 2006; 7(6):319-23. PubMed ID: 17197379.
    Abstract:
    OBJECTIVES: To analyze the incidence of severe liver events in HIV patients treated with lopinavir/ritonavir and the role of coinfection in the development of this toxicity. METHOD: This was a retrospective, multicenter, cohort study of all HIV-positive patients who started a regimen of HAART that included lopinavir/ritonavir (LPV/r). The main outcome variable was the emergence of a severe liver event, defined as decompensation of pre-existing chronic liver disease and grade 3-4 hypertransaminasemia (HT), that is, plasma AST or ALT values >5 times above the upper limit of normality, if baseline levels were normal, or >3.5 times the baseline values when they were abnormal. RESULTS: 388 HIV-infected patients were included, with a median follow-up of 25.6 months. Coinfection with HCV was present in 61% of the patients and with HBV in 6.7%. There were 6 cases of severe liver events, all involving patients who were coinfected with HCV and all within the first 6 months. This represents 0.72 events per 100 patient-years (95% confidence interval [CI] 0.36-2.98) and 1.21 events per 100 patient-years (95% CI 0.60-5.86) in coinfected patients. The only factors associated with severe liver events at 6 months were baseline HT and HCV coinfection. CONCLUSION: The incidence of severe hepatic events in HIV-positive patients receiving a HAART regimen including LPV/r was very low, even in coinfected patients. HCV coinfection and baseline HT were the only factors associated with severe liver events. LPV/r can be considered a safe and well-tolerated option in HIV patients with hepatotropic virus coinfections.
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