1. Dual Nucleoside Therapy for HIV Infection: Analysis of Results and Factors Influencing Viral Response and Long Term Efficacy
- Author
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Parruti, G., Tarquini, P., Falasca, K., Ballone, E., D'Amico, G., Agostinone, A., Placido, G., Graziani, R.V., di Giammartino, D., Dalessandro, M., Vecchiet, J., Di Nicola, M., Schioppa, F., Alterio, L., Consorte, A., Pieri, A., and Toro, G. Marani
- Abstract
We performed a retrospective analysis of our experience with dual nucleoside regimens to look for predictors of long term benefit. We evaluated a cohort of 68 HIV-infected patients treated at 3 Italian hospital-based facilities. The results were analysed using univariate and multivariate statistical analyses. Fourty-three males and 25 females were treated for 22 ± 14 months. Sixty three patients (92.6%) suffered no or low-grade side-effects. Thirty-four patients (50 %) reached a viral load <400 copies/ml (undetectable). Viremia remained persistently undetectable in 9 cases (13.2%). Relapsing-remitting of viremias were seen in 13 patients (19.1%) even though their therapies were not modified. Eight patients (11.8%) showed relapsing viremias persistently around or below 10,000 copies/ml. All patients reaching undetectable viremia but one showed increasing or stable CD4+ cell counts. Factors predicting favourable response were: pre-treatment CD4+ T-cells >150/μl pre-treatment viremia <50,000 copies/ml, pre-treatment lymphocytes >1,500/μl, and no previous exposure to NRTI. Total lymphocyte counts and CD4+ T-cells showed a significant correlation. Dual NRTI regimens may be still considered for patients unable to tolerate HAART regimens and presenting with favourable predictors of response.
- Published
- 2003
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