Department of Internal Medicine, Division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
Department of Internal Medicine, Division of Nephrology, Leiden University Medical Center, Leiden, the Netherlands.
Transplantation. 2024 Feb 1;108(2):556-566. doi: 10.1097/TP.0000000000004776. Epub 2024 Jan 19.
BACKGROUND: Evidence on the optimal maintenance of immunosuppressive regimen in kidney transplantation recipients is limited. METHODS: The Amsterdam, LEiden, GROningen trial is a randomized, multicenter, investigator-driven, noninferiority, open-label trial in de novo kidney transplant recipients, in which 2 immunosuppression minimization strategies were compared with standard immunosuppression with basiliximab, corticosteroids, tacrolimus, and mycophenolic acid. In the minimization groups, either steroids were withdrawn from day 3, or tacrolimus exposure was reduced from 6 mo after transplantation. The primary endpoint was kidney transplant function at 24 mo. RESULTS: A total of 295 participants were included in the intention-to-treat analysis. Noninferiority was shown for the primary endpoint; estimated glomerular filtration rate at 24 mo was 45.3 mL/min/1.73 m 2 in the early steroid withdrawal group, 49.0 mL/min/1.73 m 2 in the standard immunosuppression group, and 44.7 mL/min/1.73 m 2 in the tacrolimus minimization group. Participants in the early steroid withdrawal group were significantly more often treated for rejection ( P = 0.04). However, in this group, the number of participants with diabetes mellitus during follow-up and total cholesterol at 24 mo were significantly lower. CONCLUSIONS: Tacrolimus minimization can be considered in kidney transplant recipients who do not have an increased immunological risk. Before withdrawing steroids the risk of rejection should be weighed against the potential metabolic advantages.
背景:关于肾移植受者免疫抑制方案最佳维持的证据有限。
方法:阿姆斯特丹、莱顿、格罗宁根试验是一项在初治肾移植受者中进行的随机、多中心、研究者驱动、非劣效性、开放标签试验,比较了 2 种免疫抑制最小化策略与巴利昔单抗、皮质类固醇、他克莫司和吗替麦考酚酸的标准免疫抑制。在最小化组中,从第 3 天开始停用类固醇,或在移植后 6 个月开始减少他克莫司暴露。主要终点是 24 个月时的肾脏移植功能。
结果:共有 295 名参与者纳入意向治疗分析。主要终点显示非劣效性;24 个月时估算肾小球滤过率在早期类固醇停药组为 45.3ml/min/1.73m 2 ,在标准免疫抑制组为 49.0ml/min/1.73m 2 ,在他克莫司最小化组为 44.7ml/min/1.73m 2 。早期类固醇停药组的参与者更常因排斥反应而接受治疗(P=0.04)。然而,在该组中,随访期间患有糖尿病的参与者数量和 24 个月时的总胆固醇明显较低。
结论:对于无免疫风险增加的肾移植受者,可以考虑他克莫司最小化。在停用类固醇之前,应权衡排斥反应的风险与潜在的代谢优势。
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