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Comparison of the efficacy and safety of benzbromarone and febuxostat in gout and hyperuricemia: a systematic review and meta-analysis

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Abstract

Objective

Urate-lowering therapy (ULT) is widely recognized as the primary treatment for hyperuricemia and gout. Xanthine oxidase inhibitors (XOI), particularly febuxostat, have gained popularity as a frontline approach. However, the divergent efficacy and safety between febuxostat and the traditional ULT drug, benzbromarone, remain poorly understood. This knowledge gap necessitates a comprehensive analysis and evidence update to guide drug selection for physicians and patients.

Method

We conducted a systematic analysis by extracting relevant clinical studies from four medical literature databases. Forest plots, funnel plots, sensitivity analysis, Egger’s test, and subgroup analysis were utilized to compare relevant indicators.

Results

The advantages and disadvantages of the two drugs were evaluated based on various indicators such as serum uric acid (SUA), triglyceride (TG), urinary uric acid (UUA), white blood cell count (WBC), total cholesterol (TC), blood urea nitrogen (BUN), alanine aminotransferase (ALT), aspartate aminotransferase (AST), estimated glomerular filtration rate (eGFR), and serum creatinine (SC). Benzbromarone demonstrated better efficacy in rapidly reducing SUA levels and inhibiting inflammation for hyperuricemia and gout patients. Febuxostat was slightly less effective in lowering SUA, but there was no significant difference in its impact on liver and kidney function after long-term use.

Conclusion

This study highlights the superiority of benzbromarone in rapidly reducing SUA and inhibiting inflammation. Febuxostat shows comparable effects on liver and kidney function after long-term use. These findings provide valuable insights for clinicians and patients in drug selection.

Key Points

• Benzbromarone stands out as a highly effective treatment for hyperuricemia and gout, offering rapid reduction of serum uric acid levels and potent anti-inflammatory effects.

• When it comes to long-term use, febuxostat demonstrates comparable effects on liver and kidney function. This provides reassurance for patients who require extended treatment duration.

• Moreover, our study goes beyond previous research by presenting a more comprehensive and detailed analysis.

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Data availability

The authors will provide the raw data supporting the conclusions of this article without any reservation.

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Funding

This work was financially supported by the National Natural Science Foundation of China grants (82074081, 82374104), Knowledge Innovation Program of Wuhan-Basic Research (2022020801010404), and “the Fundamental Research Funds for the Central Universities” South-Central Minzu University (CZZ23009). Also, this study was funded by the Department of Cardiology, Union Hospital, Tongji Medical University, Huazhong University of Science and Technology (82170326).

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(I) Conception and design: FW and LYC. (II) Administrative support: YMD and LYC. (III) Provision of study materials or patients: FW and YMD. (IV) Collection and assembly of data: FW and LYC. (V) Data analysis and interpretation: FW and LYC and YMD. (VI) Manuscript writing: FW and LYC and YMD. All authors contributed to the article and approved the submitted version.

Corresponding authors

Correspondence to Lvyi Chen or Yimei Du.

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Wu, F., Chen, L. & Du, Y. Comparison of the efficacy and safety of benzbromarone and febuxostat in gout and hyperuricemia: a systematic review and meta-analysis. Clin Rheumatol 43, 1745–1754 (2024). https://doi.org/10.1007/s10067-024-06933-4

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