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Am J Kidney Dis. 2013 Sep;62(3):515-30. doi: 10.1053/j.ajkd.2013.02.374. Epub 2013 May 10.

Tripterygium preparations for the treatment of CKD: a systematic review and meta-analysis.

Author information

1
The George Institute for Global Health, University of Sydney, Sydney, Australia.

Abstract

BACKGROUND:

Preparations of the herb Tripterygium wilfordii Hook F are used widely for the treatment of chronic kidney disease in China. The efficacy and safety of Tripterygium preparations still have not been fully identified.

STUDY DESIGN:

Systematic review and meta-analysis.

SETTING & POPULATION:

Patients with chronic kidney disease.

SELECTION CRITERIA FOR STUDIES:

Randomized controlled trials.

INTERVENTION:

Tripterygium preparations (Tripterygium glycoside tablets, Tripterygium hypoglaucum Hutch tablets, and Tripterygium granules or extracts) versus placebo, standard care, or other immunosuppressive treatment.

OUTCOMES:

Weighted mean difference and summary estimates of relative risk (RR) reductions with 95% CIs were calculated with a random-effects model. Outcomes analyzed included change in proteinuria, serum creatinine level, and creatinine clearance rate, as well as remission and relapse rate and drug-related adverse events.

RESULTS:

We identified 75 trials that included 4,386 participants. Overall, Tripterygium therapy reduced proteinuria by protein excretion of 628 (95% CI, -736 to -521) mg/d and reduced serum creatinine level by 0.12 (95% CI, -0.17 to -0.06) mg/dL compared with controls (both P < 0.001) in a range of kidney conditions. Tripterygium preparations also increased the rate of complete remission by 56% (95% CI, 32%-85%; P < 0.001) and of complete or partial remission by 24% (95% CI, 17%-31%; P < 0.001) while reducing relapse by 58% (95% CI, 42%-69%; P < 0.001). Tripterygium preparations increased the rate of liver function test result abnormalities (RR, 4.03; 95% CI, 2.24-7.25; P < 0.001) and altered menstruation (RR, 5.29; 95% CI, 2.09-13.38; P < 0.001).

LIMITATIONS:

Suboptimal study quality, significant heterogeneity in the primary outcome.

CONCLUSIONS:

Tripterygium preparations may have nephroprotective effects, but high-quality trials are required to reliably determine the balance of benefits and harms.

KEYWORDS:

Chinese herbs; Tripterygium; chronic kidney disease; glomerular disease; kidney function; meta-analysis; proteinuria; systematic review; traditional Chinese medicine

PMID:
23664549
DOI:
10.1053/j.ajkd.2013.02.374
[Indexed for MEDLINE]

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