Key result
Advanced CKD shows no independent association with stroke or CV death on edoxaban after adjustment.
Why the study?
The impact of renal function and CKD stages on the safety and effectiveness of edoxaban dosages in patients with AF in real-world settings was unclear.
How do chronic kidney disease stages affect the 4-year safety and effectiveness of label-recommended edoxaban doses (30/60 mg) in patients with atrial fibrillation?
Observational (n=13,164)
Yes
How do chronic kidney disease stages affect the 4-year safety and effectiveness of label-recommended edoxaban doses (30/60 mg) in patients with atrial fibrillation?
In real-world European patients with atrial fibrillation, appropriate label dosing of edoxaban is effective and well-tolerated across CKD stages, offsetting the risk of renal impairment after adjusting for baseline clinical characteristics.
Stage 3 CKD was associated with higher stroke risk on edoxaban; leaves open whether dose adjustment improves outcomes in prospective trials.
Background Non‐vitamin K oral anticoagulants, like edoxaban, are essential in managing atrial fibrillation (AF). The impact of renal function on edoxaban dosages in real‐world settings remains unclear. This 4‐year ETNA‐AF‐Europe study follow‐up analysis investigated how chronic kidney disease (CKD) stages affect the safety and effectiveness of usual edoxaban doses. Methods ETNA‐AF‐Europe (NCT02944019) was an observational study conducted from 2016 to 2022 across 776 centres in 10 European countries. Hazard ratios (HR) and annualized event rates were calculated for all‐cause death, cardiovascular (CV) death, stroke and bleeding events for the overall population and participants stratified by dose (30/60 mg) and CKD stages at baseline. Results Of the 13,164 participants in the full analysis set, 9114 participants with CKD (Stage 1, n = 2064; Stage 2, n = 4855; Stage 3, n = 1985; Stage 4, n = 135; missing, n = 75) received label‐recommended edoxaban doses. Compared with CKD Stage 1, higher CKD stages were associated with increased risks for stroke (Stage 3: HR [95% CI]: 1.889 [1.240–2.878], p = 0.003) and CV death (HR [95% CI]; Stage 4: 14.450 [8.270–25.247], Stage 3: 4.672 [3.312–6.969], Stage 2: 2.066 [1.394–3.062], all p < 0.001). All‐cause death followed a similar trend. After adjusting for age, sex, body weight, CHA 2 DS 2 ‐VASc and modified HAS‐BLED scores, most bleeding and effectiveness outcomes showed no nominally significant differences across CKD stages. Conclusions Edoxaban in patients with AF is effective and well tolerated across CKD stages and appropriate label dosing can offset the risk from renal impairment.
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Caterina et al. (2026) conducted an observational in Atrial fibrillation and chronic kidney disease (n=13,164). Edoxaban across higher CKD stages (Stages 2-4) vs. CKD Stage 1 was evaluated on All-cause death, cardiovascular death, stroke, and bleeding events (HR 1.889, 95% CI 1.240-2.878, p=0.003). Higher CKD stages increased unadjusted stroke (Stage 3 HR 1.889; 95% CI 1.240-2.878) and CV death vs Stage 1 on edoxaban, though adjusted differences were non-significant.
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