Journal
TRANSPLANTATION AND CELLULAR THERAPY
Volume 27, Issue 6, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jtct.2021.03.003
Keywords
CMV; Pre-emptive therapy; Prophylaxis treatment; Immune recovery
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Reconstitution of T cells post-transplant is crucial for long-term success, and its correlation with CMV reactivation and disease is well-established. Pre-emptive antiviral treatment leads to faster T cell recovery, while prophylaxis with letermovir may result in CMV reactivation post-discontinuation, necessitating subsequent antiviral treatment.
Reconstitution of T cells after transplantation is a determinant of the long-term success of the procedure, and the correlation with T cell recovery and cytomegalovirus reactivation and disease is well known. We evaluated 110 patients who underwent transplantation: 55 received pre-emptive antiviral treatment, and in the other 55 patients, prophylaxis with letermovir was employed. A progressive statistically significant difference in T cell reconstitution between the 2 groups was observed, starting from day +60 with faster recovery in the pre-emptive group. Moreover, a higher incidence of cytomegalovirus reactivation was observed in prophylactic group after discontinuation of letermovir, and subsequent antiviral treatment has been necessary. Our findings confirm, as previously reported, that cytomegalovirus reactivation is a potent stimulator of T cell function. (C) 2021 The American Society for Transplantation and Cellular Therapy. Published by Elsevier Inc. All rights reserved.
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