Early immunosuppression treatment correlates with laterde novodonor-specific antibody development after kidney and pancreas transplantation

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De novo donor-specific antibodies (dnDSA) post-transplant correlate with a higher risk of immunologic graft injury and loss following kidney and pancreas transplantation. Post-transplant dnDSA can occur within the first post-transplant year.


In this study, 817 of 1290 kidney and simultaneous kidney/pancreas recipients were tested for dnDSA post-transplant. Recipient immunosuppressive treatment at one, three, six, and 12 months post-transplant was correlated with dnDSA incidence by univariate and multivariate analyses.


The overall incidence of dnDSA was 21.3% detected a median of 3.5 yr post-transplant. By univariate analysis, the immunosuppressive treatment at all time points correlated with dnDSA (p < 0.01). Month 6 treatment correlated best in multivariable analysis (p = 0.004). At six months, recipients receiving rapamune/mycophenolic acid (Rapa/MPA) had the highest dnDSA incidence at five yr (25.3%) and last follow-up (30.7%), those treated with cyclosporine/rapamune (CNI/Rapa) had the lowest incidence at five yr (10.8%) and last follow-up (18.6%), and cyclosporine/mycophenolic acid (CNI/MPA) treatment had an intermediate incidence at five yr (16.7%) and last follow-up (20.4%) (p < 0.01). Six-month CNI/MPA and Rapa/MPA treatment significantly correlated with dnDSA (hazard ratios of 2.36 and 1.80, respectively) by Cox proportional hazards regression modeling.


The risk of post-transplant dnDSA development correlates with early immunosuppressive management.

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