Effect of urate lowering therapy on renal disease progression in hyperuricemic patients with chronic kidney disease

Yoonjin Kim, Sungjoon Shin, Kyungsoo Kim, Sangtae Choi, Kwanghoon Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Objective. To determine whether urate lowering therapy (ULT) could delay renal disease progression in hyperuricemic patients with chronic kidney disease (CKD). Methods. We performed a retrospective review of hyperuricemic patients with stage 3 CKD followed from September 2005 to July 2014 in Dongguk University Ilsan Hospital, Goyang, Korea. A total of 158 eligible patients were identified and 65 of them were treated with ULT in addition to the usual CKD management. We divided the patients according to the use of ULT and compared the estimated glomerular filtration rate (eGFR) change from baseline value and the proportion of renal disease progression (decline of eGFR > 30% of the baseline value, initiation of dialysis or eGFR < 15 ml/min/1.73m2) at the time of last followup. Risk factors for renal disease progression were identified by logistic regression analysis. Results. After a median followup of 118.5 weeks (minimum 25, maximum 465), the ULT group showed better outcomes compared to the non-ULT group in terms of eGFR change from baseline (-1.19 ± 12.07 vs-7.37 ± 11.17 ml/min/1.73 m2, p = 0.001) and the proportion of renal disease progression (12.3% vs 27.9%, p = 0.01). Goal-directed ULT showed better clinical outcomes compared to maintaining the initial ULT dose. Actual (area under the SUA-time curve adjusted by total observation time period) serum uric acid was significantly associated with the risk of renal disease progression (p for trend = 0.04) and actual serum uric acid level < 7 mg/dl reduced the risk of renal disease progression by 69.4%. Conclusion. ULT significantly delayed renal disease progression in hyperuricemic patients with CKD. Goal-directed ULT seems to be better than continuing the initial ULT prescription.

Original languageEnglish
Pages (from-to)2143-2148
Number of pages6
JournalJournal of Rheumatology
Volume42
Issue number11
DOIs
Publication statusPublished - 2015 Nov

All Science Journal Classification (ASJC) codes

  • Rheumatology
  • Immunology and Allergy
  • Immunology

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