Effects of co-administration of urokinase and benazepril on severe IgA nephropathy. |
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Authors: | Xiangmei Chen Qiang Qiu Li Tang Shuwen Liu Guangyan Cai Hongtao Liu Yuansheng Xie |
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Affiliation: | Kidney Center of PLA, Department of Nephrology, Chinese General Hospital of PLA, Fuxing Road 28, Beijing 100853, China. xmchen@public.bta.net.cn |
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Abstract: | BACKGROUND: The availability of treatment for IgA nephropathy (IgAN) is limited. Method. A prospective randomized controlled clinical trial was performed to evaluate the effects of therapy with urokinase (UK) and benazepril (BZ, an angiotensin-converting enzyme inhibitor) or BZ alone on severe IgAN. We divided 71 cases of IgAN, Lee's grade >/=III and with fibrinogen deposits, into two groups to be treated for 12 months with either UK + BZ or BZ alone. RESULTS: There was no significant difference between the two groups in baseline clinical and histopathological data. After 12 months of treatment, 25 of 35 patients (71.4%) in the UK + BZ group and 16 of 36 (44.4%) in the BZ-alone group had a >/=50% decrease in 24-h urinary protein excretion compared with the baseline (chi(2) test, P<0.05). Proteinuria significantly decreased at 6 and 12 months of treatment in both groups compared with baseline (P<0.01 in the UK + BZ group, P<0.05 in the BZ group), and the therapeutic efficiency of UK + BZ was better than that of BZ alone (P<0.05 at 6 and 12 months). The endogenous creatinine clearance rate (Ccr) was stable in the UK + BZ group, while Ccr declined significantly at 6 and 12 months in the BZ-alone group compared with baseline (P<0.05, respectively). The Ccrs of the two groups at 12 months of treatment were statistically different (P<0.05). CONCLUSIONS: Combined therapy with UK and BZ was more effective than with BZ alone in reducing proteinuria and protecting renal function in patients with severe IgAN. |
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Keywords: | angiotensin-converting enzyme inhibitor benazepril IgA nephropathy randomized controlled trial treatment urokinase |
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