Risk and prognosis of posttransplant lymphoproliferative disease in Epstein-Barr virus–seronegative kidney transplant recipients — an observational cohort study from Norway and western Denmark

Lene Ugilt Pagter Ludvigsen*, Anders Åsberg, Signe Spetalen, Mia Dahl Sørensen, Stephen Hamilton-Dutoit, Ann Maria Gramkow, Christian Fynbo Christiansen, Grete Birkeland Kro, Marianne Kragh Thomsen, Sinna Pilgaard Ulrichsen, Rune Micha Pedersen, Harald Holte, Helle Charlotte Thiesson, Anna Bjerre, Francesco D'Amore, Dag Olav Dahle, Bente Jespersen, Søren Jensen-Fangel, Anna Varberg Reisæter

*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Abstract

Posttransplant lymphoproliferative disorder (PTLD) poses a serious challenge in kidney transplant recipients. Epstein-Barr virus (EBV)-seronegative recipients have a significantly increased risk of PTLD, but few studies have investigated risk factors for PTLD in EBV-seronegative recipients in the current era of immunosuppression. This cohort study from Norway and western Denmark included first-time kidney transplant recipients between 2007 and 2021 and estimated the cumulative incidence, risk, and prognosis of PTLD. In total, 80 of 5084 recipients developed biopsy-proven PTLD (median follow-up of 6.8 years). Two-year cumulative incidence of PTLD was 7.3% in EBV-seronegative adults and 14.1% in EBV-seronegative children. The age-adjusted hazard ratio (HR) for PTLD was 30.7 (95% CI, 13.9-67.9) in EBV-seronegative vs EBV-seropositive adults and 5.4 (95% CI, 1.1-26.9) in children. Recipients receiving induction therapy with antithymocyte globulin had an increased risk of PTLD (HR, 4.4; 95% CI, 1.8-10.6), while rituximab induction was associated with a lower risk of PTLD (HR, 0.20; 95% CI, 0.03-1.49). The age-adjusted mortality rate was higher in EBV-seronegative recipients with vs without PTLD (HR, 3.3; 95% CI, 1.3-8.3). In conclusion, the risk of PTLD in EBV-seronegative kidney transplant recipients is high in the contemporary era of immunosuppression. Induction therapy should be carefully considered in this high-risk population.

OriginalsprogEngelsk
TidsskriftAmerican Journal of Transplantation
ISSN1600-6135
DOI
StatusE-pub / Early view - 2025

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