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  • Title: Correlation between human leukocyte antigen antibody production and serum creatinine in patients receiving sirolimus monotherapy after Campath-1H induction.
    Author: Cai J, Terasaki PI, Bloom DD, Torrealba JR, Friedl A, Sollinger HW, Knechtle SJ.
    Journal: Transplantation; 2004 Sep 27; 78(6):919-24. PubMed ID: 15385814.
    Abstract:
    BACKGROUND: In this study, we determined whether Campath-1H induction followed by sirolimus monotherapy inhibited alloantibody production in renal transplantation. Second, we evaluated the correlation between human leukocyte antigen (HLA) antibody production and serum creatinine levels. METHODS: Sera were taken 1 to 24 months after transplantation from 24 patients treated with Campath-1H and sirolimus and tested for serum creatinine and HLA-specific antibody by using flow cytometry and enzyme-linked immunosorbent assay. RESULTS: Ten (42%) of the 24 patients treated with Campath-1H and sirolimus produced HLA antibodies. Six of these 10 developed both donor-specific antibodies (DSAs) and non-donor-specific antibodies (NDSAs), whereas only NDSAs were detected in the other four patients. In patients with biopsy-diagnosed humoral rejection (C4d+), serum levels of both DSA and NDSA significantly correlated with patient serum creatinine levels. Rejection treatment successfully reduced both DSAs and NDSAs and reversed humoral rejection. CONCLUSIONS: The numeric relationship between serum creatinine and DSA levels suggests a causal relationship between alloantibody and transplant rejection.
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