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  • Title: Effect of maraviroc on HIV disease progression-related biomarkers.
    Author: Romero-Sánchez MC, Machmach K, Gonzalez-Serna A, Genebat M, Pulido I, García-García M, Alvarez-Ríos AI, Ferrando-Martinez S, Ruiz-Mateos E, Leal M.
    Journal: Antimicrob Agents Chemother; 2012 Nov; 56(11):5858-64. PubMed ID: 22948867.
    Abstract:
    The potential effect of blocking the CCR5 receptor on HIV disease progression biomarkers is not well understood. We showed that an 8-day maraviroc (MVC) monotherapy clinical test (MCT) can be used in selecting patients to receive MVC-containing combined antiretroviral therapy (cART). Using this MCT model, we assessed the effect of MVC on several HIV disease progression biomarkers during the MCT (MVC-specific effect) and following short-term (12-week) cART. We compared 45 patients on MVC monotherapy with a control group of 25 patients on MVC-sparing cART. We found that MVC did not modify any biomarkers in patients that had no virological response after the MCT. MVC-specific effects in patients with virological responses included increased CD8(+) T-cell activation and senescence levels, preservation of an increase in soluble CD14 (sCD14), and a decrease in D dimer levels. After 12 weeks, MVC-containing cART increased CD8(+) T-cell counts and preserved CD4(+) T-cell senescence levels compared with MVC-sparing cART. Moreover, there was a decrease in sCD14 levels in patients that received MVC-containing cART. In conclusion, effects compatible with CD8(+) T-cell redistribution in peripheral blood were observed after MVC therapy. However, MVC was associated with a favorable profile in HIV disease progression biomarkers only in patients with a virological response. These results support a potential clinical benefit of a therapy which includes MVC in HIV-infected patients.
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