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The Effects of Febuxostat on Urine NGAL and Urine KIM-1 in Patients with Hyperuricemia

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Retrospective analysis of the effects of febuxostat on urine neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) in patients with hyperuricemia was performed. From January 2018 to June 2018,… Click to show full abstract

Retrospective analysis of the effects of febuxostat on urine neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) in patients with hyperuricemia was performed. From January 2018 to June 2018, there were 45 patients with asymptomatic hyperuricemia in the outpatient or inpatient of Changzhou Second People's Hospital, which were divided into the febuxostat group (25 cases) and the control group (20 cases). We collected the patients' baseline indicators and testing indicators after three months of treatment, including blood urea nitrogen, blood creatinine, blood uric acid, urine microalbumin, urine NGAL, urine KIM-1, and other indicators. The subjects in both groups were given lifestyle intervention, instructed to drink more water, and given a low-purine diet. The patients in the febuxostat group took febuxostat 40 mg/D or 80 mg/D. We used SPSS 25.0 statistical software for statistical analysis. Baseline indexes between the febuxostat group and the control group and indexes after treatment between two groups were both performed by independent sample t-test, and paired t-test was used for self-comparison between the groups before and after treatment. There was no significant difference in age, sex, body mass index (BMI), urea nitrogen, creatinine, uric acid, urine microalbumin/creatinine, urine NGAL/creatinine, and urine KIM-1/creatinine between the two groups before treatment (P > 0.05). Compared with before treatment, after 3 months of intervention, the levels of serum uric acid, urine microalbumin/creatinine, urine NGAL/creatinine, and urine KIM-1/creatinine were significantly decreased in the febuxostat group (P < 0.05), while the changes of blood urea nitrogen, serum creatinine, and epidermal growth factor receptor (eGFR) were not statistically significant (P > 0.05). After 3 months of intervention, the control group had no significant changes in blood urea nitrogen, creatinine, eGFR, uric acid, microalbumin/creatinine, urine NGAL/creatinine, and urine KIM-1/creatinine (P > 0.05). After 3 months of intervention, compared with the control group, the serum uric acid, microalbumin/creatinine, urine NGAL/creatinine, and urine KIM-1/creatinine were significantly decreased in the febuxostat group (P < 0.05), but there was no significant difference in blood urea nitrogen, creatinine, and eGFR (P > 0.05). Febuxostat can reduce urine NGAL/creatinine and urine KIM-1/creatinine levels in patients with hyperuricemia and has the protective effects on renal tubular injury caused by hyperuricemia, which can provide evidences for the early prevention and treatment of asymptomatic hyperuricemia.

Keywords: urine ngal; creatinine; creatinine urine; urine kim; group

Journal Title: Journal of Healthcare Engineering
Year Published: 2022

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