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Clin Nephrol. 2018 Jun;89(6):445-454. doi: 10.5414/CN109193.

Effects of adding Rheum officinale to angiotensin-converting enzyme inhibitors or angiotensin receptor blockers on renal function in patients with chronic renal failure: A meta-analysis of randomized controlled trials



<italic>Rheum officinale</italic> is a traditional medicinal herb used widely in China to treat chronic renal failure, but the proof of evidence-based medicine is poor. This meta-analysis aims to assess the benefits of angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs) supplemented with <italic>Rheum officinale</italic> for delaying the progression of chronic renal failure.


The MEDLINE, EMBASE, Cochrane Library, SinoMed, Chinese National Knowledge Infrastructure, Wanfang, and VIP databases were searched to identify studies published before September 2016 that investigated the effects of ACEI/ARB plus the Chinese patented medicine Rheum (CPM-Rheum) compared to ACEI/ARB alone in lowering serum creatinine (SCr) and blood urea nitrogen (BUN) levels in chronic renal failure patients. Review Manager 5.3 was used to perform the meta-analysis. Fixed- and random-effects models were used to analyze the data.


The meta-analysis included nine clinical trials. Comparisons of patients before and after treatment with ACEI/ARB plus CPM-Rheum or ACEI/ARB alone revealed that ACEI/ARB plus CPM-Rheum resulted in significantly greater reductions in SCr (short-term: weighted mean difference (WMD): 17.26, 95% confidence interval (CI): 7.28 - 27.24; long-term: WMD: 63.71, 95% CI: 51.01 - 76.41) and BUN (short-term: WMD: 1.70, 95% CI: 1.27 - 2.12; long-term: WMD: 3.98, 95% CI: 3.14 - 4.82) than ACEI/ARB alone.


In patients with chronic renal failure, the addition of CPM-Rheum to ACEI/ARB significantly lowered both SCr and BUN, particularly after long-term administration. Thus, the combination of ACEI/ARB and CPM-Rheum may improve the treatment of patients with impaired renal function.

[Indexed for MEDLINE]

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