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  • Title: Everolimus-based immunosuppressive regimens in lung transplant recipients: impact on CMV infection.
    Author: Rittà M, Costa C, Solidoro P, Sidoti F, Libertucci D, Boffini M, Rinaldi M, Baldi S, Cavallo R.
    Journal: Antiviral Res; 2015 Jan; 113():19-26. PubMed ID: 25446337.
    Abstract:
    UNLABELLED: Cytomegalovirus (CMV) is one of the most important viral pathogen in solid organ transplant (SOT) recipients, with heart and lung transplant patients being at considerably high risk for CMV direct and indirect effects. Prevention strategies have resulted in significant reduction in disease and CMV related morbidity and mortality. Few studies reported a lower incidence of CMV infections in solid organ transplant recipients treated with immunosuppressive protocols including the mTOR inhibitor everolimus (EVR). PURPOSE: The aim of the current study was to evaluate the impact of EVR-based immunosuppressive regimens on the occurrence and kinetics of CMV infection in a population of lung transplant recipients, at both systemic and pulmonary level. Thirty-two lung transplants (LT) were investigated; eighteen were on EVR-based immunosuppressive regimens. CMV events occurring in the first two years post-transplantation at both systemic and pulmonary levels were reported. PRINCIPAL RESULTS: No differences were reported in CMV viraemia occurrence at both one- and two-year follow up between patients undergoing EVR-based and EVR-free immunosuppressive regimens. Considering CMV episodes at pulmonary levels, as determined by routinely performed broncho-alveolar lavages (BALs), during EVR-administration the patients experienced significantly fewer episodes of high-load CMV (as defined by viral loads⩾10(5) copies/mL) than during EVR-free immunosuppressive regimens. MAJOR CONCLUSION: EVR-based immunosuppressive regimens in lung transplantation settings appear to be associated to lower incidence of clinically relevant CMV episodes at pulmonary levels, striking the possibility of extending the use of EVR to such a group of transplant recipients.
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