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  • Title: Everolimus alters the bronchoalveolar lavage and endobronchial biopsy immunologic profile post-human lung transplantation.
    Author: Snell GI, Levvey BJ, Zheng L, Bailey M, Orsida B, Law L, Whitford HM, Kotsimbos TC, Williams TJ.
    Journal: Am J Transplant; 2005 Jun; 5(6):1446-51. PubMed ID: 15888053.
    Abstract:
    Everolimus has recently shown promise in terms of short- and long-term clinical lung transplant outcomes. This study aims to determine the altered lung allograft cellular and cytokine mileau when everolimus is substituted for azathioprine (AZA). Twenty-three stable lung transplantation (LTx) recipients were randomized in a double-blinded study to receive everolimus (13) or AZA (10) plus standard cyclosporine/prednisolone. Bronchoalveolar lavage (BAL) and endobronchial biopsies (EBB) were performed on three occasions (T(0)-T(2)) to elucidate cellular and cytokine profiles via immunocytochemistry, immunohistology and enzyme-linked immunosorbent assay (ELISA) techniques. There were no group differences for demographics or clinical events throughout the study nor baseline cellular/cytokine differences. BAL lymphocyte percentage fell in the AZA group by T(2) (p = 0.05). BAL and EBB CD4 measures significantly declined in the everolimus group by T(2) (p < 0.05). EBB neutrophils rose significantly in the AZA group, with a fall in the everolimus group resulting in a significant difference at T(2) (p = 0.01). In conclusion, everolimus has contributed to potentially important differences in BAL and EBB cellular profiles.
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