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  • Title: Early Steroid Withdrawal Protocol With Basiliximab and Rituximab in ABO-Incompatible Kidney Transplant Recipients.
    Author: Tojimbara T, Yashima J, Shirai H, Yamazaki T, Koyama I, Nakajima I.
    Journal: Transplant Proc; 2020; 52(6):1705-1708. PubMed ID: 32444132.
    Abstract:
    OBJECTIVES: Corticosteroids remain an important component of immunosuppressive regimens in high-risk kidney transplants. In this study, we investigated the efficacy of early steroid withdrawal with basiliximab and rituximab in ABO-blood type incompatible (ABO-i) recipients of kidney transplants. METHODS: Between 2008 and 2019, 15 patients underwent ABO-i kidney transplantation. Seven of the 15 patients were treated with a steroid maintenance protocol and the remaining 8 with an early steroid withdrawal protocol. The immunosuppressive protocol consisted of tacrolimus, mycophenolate mofetil, and methylprednisolone (MP), with basiliximab administered as induction therapy. Rituximab was administered as a single 200-mg dose 1 to 4 weeks before kidney transplantation. Two to 4 sessions of either double-filtration plasmapheresis or regular plasmapheresis or both were performed to remove anti-AB antibodies before transplantation. During surgery, MP was administered at a dose of 500 mg; thereafter, the dosage was tapered rapidly, and the drug was discontinued on day 14 post transplant. RESULTS: In the steroid maintenance group, 2 patients experienced acute antibody-mediated rejection (AMR). One patient with severe AMR had graft loss on postoperative day 4. Patient and graft survival rates in the steroid maintenance group were 100% and 86%, respectively. MP was successfully withdrawn in the steroid withdrawal group. In this group, there was no biopsy-proven rejection. Patient and graft survival rates were 100%, and when last measured, serum creatinine level ± SD was 1.6 ± 0.8 mg/dL. CONCLUSIONS: Our protocol successfully enabled the early withdrawal of steroids in recipients of ABO-i grafts; however, further follow-up is necessary to confirm our results.
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