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Safety and Efficacy of Benzbromarone and Febuxostat in Hyperuricemia Patients with Chronic Kidney Disease: A Prospective Pilot Study

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Abstract

Background

To compare the safety and efficacy of benzbromarone and febuxostat in hyperuricemia patients with estimated glomerular filtration rate (eGFR) 20–60 mL/min/1.73 m2.

Methods

This study was a single-centered, parallel-grouped, randomized clinical trial (RCT). We randomly assigned hyperuricemia participants with eGFR 20–60 mL/min/1.73 m2 into benzbromarone and febuxostat treatment group. Drugs were adjusted by titration from small doses.

Results

Seventy-three eligible participants enrolled, 66 subjects (33 in each group) were included finally for analysis. When compared to baseline, serum uric acid (SUA) decreased significantly after treatment in both groups, but no differences were detected among all the follow-up points. After 12-month treatment, eGFR did not have significant change in both groups. In the benzbromarone group, kidney stones in one case increased in quantity. In the febuxostat group, kidney stones in one case became smaller in size and in two cases vanished completely. Both drugs did not increase myocardial enzymes significantly after the treatment. In addition, hemoglobin increased significantly in the two groups (p < 0.05).

Conclusions

Benzbromarone and febuxostat could reduce SUA and maintain renal function in chronic kidney disease (CKD) patients with eGFR 20–60 mL/min/1.73 m2. Urate-lowering therapy with benzbromarone or febuxostat could increase serum hemoglobin level and potentially improve anemia.

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Acknowledgements

This study was supported by grants from Science and Technology Commission of Shanghai Municipality (17411967000), and the National Natural Science Foundation of China (81301626 and 81671897). We sincerely acknowledge the help of all members of the Department of Nephrology and Rheumatology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine.

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Authors and Affiliations

Authors

Corresponding authors

Correspondence to Ling Wang or Ai Peng.

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Ethical approval

This study (ClinicalTrials.gov, #NCT02338323) was conducted in Shanghai Tenth people’s hospital and under the Declaration of Helsinki and approved by the Medical Ethics Committee of Shanghai Tenth People’s Hospital of Tongji University (#SHSY-IEC-3.0/14–52/02).

Informed consent

Informed written consent was obtained from every patient before the enrollment. All data were analyzed anonymously.

Conflict of interest

The author declares that there is no competing interest.

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Yu, H., Liu, X., Song, Y. et al. Safety and Efficacy of Benzbromarone and Febuxostat in Hyperuricemia Patients with Chronic Kidney Disease: A Prospective Pilot Study. Clin Exp Nephrol 22, 1324–1330 (2018). https://doi.org/10.1007/s10157-018-1586-y

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  • DOI: https://doi.org/10.1007/s10157-018-1586-y

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