Therapeutic advances in musculoskeletal disease · 2022
Cardiovascular risk associated with allopurinol or benzbromarone treatment in patients with gout.
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Eun Yeonghee, Han Heewon, Kim Kyunga, Kang Seonyoung, Lee Seulkee, Kim Hyungjin, Lee Jaejoon, Koh Eun-Mi, Cha Hoon-Suk
Аннотация
BACKGROUND: In previous studies, cardiovascular (CV) risk was increased in patients with gout. The effects of uric acid-lowering therapy on CV risk in gout patients have been investigated in numerous studies; however, allopurinol and benzbromarone have rarely been compared.
OBJECTIVES: To compare CV risk based on allopurinol and benzbromarone treatment in Korean gout patients.
DESIGN: A nationwide population-based retrospective cohort study.
METHODS: We used South Korea database of the Health Insurance Review and Assessment (HIRA) service to identify gout patients ⩾18 years of age who newly started allopurinol or benzbromarone between 2009 and 2015. The primary outcome of the study was the occurrence of a composite CV endpoint, which included coronary revascularization, hospitalization due to myocardial infarction, ischemic stroke, and transient ischemic attack. Cox proportional hazard regression analysis and Kaplan-Meier curves were used for analysis.
RESULTS: The study included 257,097 allopurinol initiators and 7868 benzbromarone initiators. Compared with allopurinol initiators, the adjusted hazard ratio (aHR) of the composite CV endpoint of benzbromarone initiators was 1.01 [95% confidence interval (CI): 0.83-1.21], which was not significantly different. The results did not change even when 1:3 propensity score matching was performed for baseline characteristics. In subgroup analysis of high-risk patients with CV disease, significant difference was not observed between allopurinol and benzbromarone initiators.
CONCLUSION: In this study, significant difference was not found in CV risk between allopurinol and benzbromarone initiators. In the high-CV-risk group, the incidence of CV events did not differ between allopurinol and benzbromarone initiators.
OBJECTIVES: To compare CV risk based on allopurinol and benzbromarone treatment in Korean gout patients.
DESIGN: A nationwide population-based retrospective cohort study.
METHODS: We used South Korea database of the Health Insurance Review and Assessment (HIRA) service to identify gout patients ⩾18 years of age who newly started allopurinol or benzbromarone between 2009 and 2015. The primary outcome of the study was the occurrence of a composite CV endpoint, which included coronary revascularization, hospitalization due to myocardial infarction, ischemic stroke, and transient ischemic attack. Cox proportional hazard regression analysis and Kaplan-Meier curves were used for analysis.
RESULTS: The study included 257,097 allopurinol initiators and 7868 benzbromarone initiators. Compared with allopurinol initiators, the adjusted hazard ratio (aHR) of the composite CV endpoint of benzbromarone initiators was 1.01 [95% confidence interval (CI): 0.83-1.21], which was not significantly different. The results did not change even when 1:3 propensity score matching was performed for baseline characteristics. In subgroup analysis of high-risk patients with CV disease, significant difference was not observed between allopurinol and benzbromarone initiators.
CONCLUSION: In this study, significant difference was not found in CV risk between allopurinol and benzbromarone initiators. In the high-CV-risk group, the incidence of CV events did not differ between allopurinol and benzbromarone initiators.