Pre‐emptive immunosuppression using tacrolimus monotherapy does not reduce the rate of early acute rejection in renal transplantation from live donors: a comparative cohort study
Open Access
- 22 September 2020
- journal article
- research article
- Published by Frontiers Media SA in Transplant International
- Vol. 33 (12), 1754-1761
- https://doi.org/10.1111/tri.13747
Abstract
Background The planned nature of live donor kidney transplantation allows for immunosuppression to be initiated in the pre‐transplant period. The aim of this study was to determine the effect of pre‐emptive immunosuppression on acute rejection rates after live donor kidney transplantation. Methods In two consecutive cohorts of live donor kidneys transplants, 99 patients received pre‐emptive immunosuppression with tacrolimus monotherapy for 2 weeks prior to transplantation (PET group‐ first era) and 100 patients received tacrolimus‐based immunosuppression commencing on the day of transplantation (control group‐ second era). The main outcome measure was the incidence of biopsy‐proven acute rejection (BPAR) in the first 3‐months post‐transplantation. Results Tacrolimus levels were significantly higher in the PET group at day 4 post‐transplant (PET 9.08 ± 4.57 vs control 5.92±3.64 ng/ml; P<0.0001) but there were no significant differences in tacrolimus levels at day 7 (PET 8.22 ± 3.58 vs control 7.63 ±3.56 ng/ml; P=0.2452). BPAR was numerically higher in the PET group but this difference did not reach statistical significance (PET 13/99 vs control 6/100; P=0.097). There were no differences in allograft function measured by serum creatinine at 1 year (PET 130±36 vs control 142±69 μmol/L; P=0.6829). Graft survival at 1 year was equivalent in both groups (PET 96.9 vs control 97.0%; P=0.9915). Conclusion This study suggests that there is little role for the use of pre‐emptive tacrolimus monotherapy in ABO blood group and HLA compatible live donor kidney transplantation in patients on triple maintenance immunosuppression.Keywords
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