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- W4213087871 abstract "Low calcineurin inhibitor (CNI) levels expose liver transplant recipients to rejection episodes and potentially to antibody-mediated rejection. There are little data on the impact of CNI-free immunosuppression on de novo donor-specific HLA antibody (dnDSA) development. Here we evaluated the prevalence of dnDSA in liver transplant recipients on CNI-free maintenance regimens and their associations with histopathological abnormalities of allografts.Seven hundred and twenty-seven liver transplant recipients underwent a first liver transplant between 2000 and 2018 in three French transplant centres and had protocolized follow-up with dnDSA screening and allograft biopsy 1, 5 and 10 years after transplantation.CNIs were withdrawn in 166 (22.8%) patients with or without conversion to mammalian target of rapamycin inhibitors and/or maintenance with mycophenolic acid. DSA were present after withdrawal in 30.1% (50/166) patients on CNI-free immunosuppression compared with 16% (90/561) on CNI maintenance therapy (p < 0.001). The cumulative incidence of dnDSA 10 years after transplant was 20% in the CNI group versus 28% in the CNI-free group (p < 0.01). dnDSAs were associated with histological graft abnormalities (significant allograft fibrosis or rejection) (HR 2.24, 95% CI 1.2-4.1; p = 0.01). In univariate Cox regression analysis, being on a CNI-free regimen did not impact graft histology.Patients on a CNI-free IS regimen have a higher prevalence of dnDSA than patients on a standard IS regimen. dnDSAs but not CNI-free immunosuppression were associated with abnormal allograft histology." @default.
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- W4213087871 date "2022-03-01" @default.
- W4213087871 modified "2023-10-18" @default.
- W4213087871 title "Impact of calcineurin inhibitor‐free immunosuppression on de novo donor‐specific antibody formation in liver transplant recipients" @default.
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- W4213087871 doi "https://doi.org/10.1111/liv.15201" @default.
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