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Comparison of Different Uses of Cyclophosphamide in Lupus Nephritis: A Meta-Analysis of Randomized Controlled Trials

[ Vol. 20 , Issue. 5 ]

Author(s):

Yebei Li, Shizhang Xu and Gaosi Xu*   Pages 687 - 702 ( 16 )

Abstract:


Background: The present study aims to compare the relative efficacy and safety of different uses of cyclophosphamide (CYC) in lupus nephritis (LN).

Methods: We searched the Cochrane Library, EMBASE, Global Health, MEDLINE and PubMed for articles from the database till June 2018.

Results: 12 randomized controlled trials with 994 participants were included. The meta-analysis indicated that the short-interval lower-dose intravenous CYC regime remarkably reduced 24-hour proteinuria [mean difference (MD) -0.45; 95% confidence interval (CI) -0.62 to -0.27; I2 0%], incidence of major infections [odds ratio (OR) 0.62, 95% CI 0.40 to 0.95; I2 42%], gonadal toxicity (OR 0.41, 95% CI 0.27 to 0.62; I2 0%), and leukopenia (OR 0.55, 95% CI 0.33 to 0.94, I2 0%), while high-dose regime had an obvious lower probability of doubling of serum creatinine (Scr) level (OR 2.43; 95% CI 1.19 to 4.95; I2 0%). However, the difference in the complete and total remission rates between the two regimens was not observed.

Conclusion: The result suggested that the short-interval lower-dose CYC regime remarkably reduced 24-hour proteinuria and the incidence of adverse events, while the long-course high-dose regime played a significant role in reducing the rate of doubling Scr level.

Keywords:

Lupus nephritis, cyclophosphamide, randomized controlled trails, proteinuria, serum creatinine, usage.

Affiliation:

Department of Nephrology, the Second Affiliated Hospital of Nanchang University, Nanchang, Department of Nephrology, the People’s Hospital of Yichun City, Yichun, Department of Nephrology, the Second Affiliated Hospital of Nanchang University, Nanchang

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