Augustine Joshua J, Chang Peter C, Knauss Thomas C, Aeder Mark I, Bodziak Kenneth A, Schulak James A, Hricik Donald E
Division of Nephrology, University Hospitals of Cleveland, OH 44106, USA.
Transplantation. 2006 Apr 15;81(7):1004-9. doi: 10.1097/01.tp.0000202880.78509.b4.
There is limited data on the potential nephrotoxicity of sirolimus (SRL) and tacrolimus (TAC) in combination.
We reviewed the course of 97 kidney transplant patients treated with SRL and reduced-dose TAC. Conversion from SRL to mycophenolate mofetil (MMF) was prescribed in a minority (n = 19) for various nonrenal side effects. We compared outcomes of converted patients to those remaining on TAC/SRL (n = 78).
TAC levels were increased in converters (P = 0.009). Rejection rates were similar between groups over 18 months (21% vs. 16%, p = ns). Serum creatinine (Cr) and MDRD glomerular filtration rate (GFR) were similar between groups at nadir and six-months, but at 18 months the percent change from six-month Cr was +17% in non-converters vs. -10% in converters (P = 0.004 for the difference). The difference in GFR between groups at 18 months was also significant (P = 0.01). By multivariate analysis, only conversion to MMF was associated with a greater percent change in Cr from 6 to 18 months (P = 0.015). Conversion to MMF also correlated with higher GFR at 18 months independent of rejection, delayed graft function, and ethnicity.
Conversion from TAC/SRL to TAC/MMF led to improved renal function despite increased TAC exposure after conversion.
关于西罗莫司(SRL)和他克莫司(TAC)联合使用时潜在肾毒性的数据有限。
我们回顾了97例接受SRL和减量TAC治疗的肾移植患者的病程。少数患者(n = 19)因各种非肾性副作用而从SRL转换为霉酚酸酯(MMF)。我们将转换患者的结果与继续使用TAC/SRL的患者(n = 78)进行了比较。
转换患者的TAC水平升高(P = 0.009)。两组在18个月内的排斥反应发生率相似(21%对16%,p = 无显著差异)。血清肌酐(Cr)和MDRD肾小球滤过率(GFR)在最低点和6个月时两组相似,但在18个月时,非转换组从6个月时的Cr变化百分比为+17%,而转换组为-10%(差异P = 0.004)。两组在18个月时的GFR差异也具有统计学意义(P = 0.01)。通过多变量分析,只有转换为MMF与6至18个月时Cr的更大变化百分比相关(P = 0.015)。转换为MMF还与18个月时更高的GFR相关,且与排斥反应、移植肾功能延迟和种族无关。
从TAC/SRL转换为TAC/MMF可改善肾功能,尽管转换后TAC暴露增加。