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  • Title: The efficacy and safety of roxadustat treatment for anemia in patients with kidney disease: a meta-analysis and systematic review.
    Author: Qie S, Jiao N, Duan K, Li J, Liu Y, Liu G.
    Journal: Int Urol Nephrol; 2021 May; 53(5):985-997. PubMed ID: 33389461.
    Abstract:
    BACKGROUND: Anemia is a common complication for patients with kidney disease. Roxadustat is an oral hypoxia-inducible factor (HIF) prolyl hydroxylase inhibitor (PHI), which is a newly approved oral drug for anemia. We performed this study to build evidence regarding efficacy and safety of roxadustat in kidney disease patients with or without dialysis. METHODS: We searched the databases of PubMed, Embase, Cochrane library and clinicaltrials.gov from the inception to July 20, 2020. The randomized controlled trials (RCTs) which compared roxadustat with placebo or other therapies in the treatment of anemia in kidney disease patients were included. Data were extracted from eligible studies and pooled in a meta-analysis model using RevMan5.3 and stata13.0 software. RESULTS: Eight RCTs with 1010 patients were included in our analysis. We found that roxadustat significantly increased hemoglobin (Hb) level (1.10 g/dL, 95% CI [0.52 g/dL, 1.67 g/dL], p = 0.0002), total iron-binding capacity (TIBC) (58.71 µg/dL, 95% CI [44.10 µg/dL, 73.32 µg/dL], p < 0.00001), iron level (9.28 µg/dL, 95% CI [0.11 µg/dL, 18.45 µg/dL], p = 0.05) compared with control group in kidney disease patients. In addition, our result showed that a significant reduction in hepcidin level (- 31.96 ng/mL, 95% CI [- 35.05 ng/mL, - 28.87 ng/mL], p < 0.00001), ferritin (- 44.82 ng/mL, 95% CI [- 64.42 ng/mL, - 25.23 ng/mL], p < 0.00001) was associated with roxadustat. No difference was found between roxadustat and control group in terms of oral iron supplementation, adverse events (AEs), serious adverse events (SAEs), infection, myocardial infraction, stroke, heart failure and death. CONCLUSIONS: Roxadustat has higher mean Hb level than placebo or EPO. Due to the short follow-up period and the lack of critical data, more RCTs are needed to prove long-term safety and effectiveness of roxadustat in the future.
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