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Postmarketing surveillance on the clinical use of edoxaban in patients with nonvalvular atrial fibrillation (ETNA-AF-Japan): One-year safety and effectiveness analyses.

ABSTRACT:

Background

The safety and effectiveness of edoxaban in real-world clinical settings have not yet been elucidated thoroughly among Japanese patients with nonvalvular atrial fibrillation (NVAF). We report the one-year interim results of ETNA-AF-Japan (Edoxaban Treatment in routiNe clinical prActice in patients with nonvalvular Atrial Fibrillation: UMIN000017011), an ongoing two-year study.

Methods

ETNA-AF-Japan is a prospective, real-world multicenter observational study that analyzes the long-term safety and effectiveness of edoxaban. Physicians recorded clinical characteristics, bleeding events, and clinical events of ischemic stroke and systemic embolism, among others.

Results

In total, 11 569 patients with NVAF were enrolled. The demographic and clinical characteristics of the patients in the safety analysis set (n = 11 107) were a mean age of 74.2 ± 10.0 years; female sex, 40.6%; age ≥75 years, 52.4%; body weight ≤60 kg, 54.3%; creatinine clearance ≤50 mL/min, 31.2%; mean CHADS₂ score of 2.2 ± 1.3. The mean treatment period was 311.2 days (median; 366.0 days), and ~80% of patients continued edoxaban treatment. In the safety analysis, the incidence of all bleeding events was 6.32% [95% CI: 5.87, 6.79] (n = 702), and for major bleeding, it was 1.08% [0.90, 1.29] (n = 120). In the effectiveness analysis set (n = 11 059), the incidence of ischemic stroke (excluding TIA) or systemic embolism was 1.10% [0.92, 1.32] (n = 122).

Conclusions

At one-year follow-up, the results showed no major concerns about the safety and effectiveness of edoxaban in Japanese patients with NVAF in a real-world clinical setting.

SUBMITTER: Yamashita T

PROVIDER: S-EPMC7279995 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Postmarketing surveillance on clinical use of edoxaban in patients with nonvalvular atrial fibrillation (ETNA-AF-Japan): Three-month interim analysis results.

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| S-EPMC8269173 | biostudies-literature

Characteristics of patients with atrial fibrillation prescribed edoxaban in Belgium and the Netherlands: insights from the ETNA-AF-Europe study.

Project description:BackgroundStudies on the use of non-vitamin K antagonist oral anticoagulants in unselected patients with atrial fibrillation (AF) show that clinical characteristics and dosing practices differ per region, but lack data on edoxaban.MethodsWith data from Edoxaban Treatment in routiNe clinical prActice for patients with AF in Europe (ETNA-AF-Europe), a large prospective observational study, we compared clinical characteristics (including the dose reduction criteria for edoxaban: creatinine clearance 15-50 ml/min, weight ≤60 kg, and/or use of strong p‑glycoprotein inhibitors) of patients from Belgium and the Netherlands (BeNe) with those from other European countries (OEC).ResultsOf all 13,639 patients in ETNA-AF-Europe, 2579 were from BeNe. BeNe patients were younger than OEC patients (mean age: 72.3 vs 73.9 years), and had lower CHA2DS2-VASc (mean: 2.8 vs 3.2) and HAS-BLED scores (mean: 2.4 vs 2.6). Patients from BeNe less often had hypertension (61.6% vs 80.4%), and/or diabetes mellitus (17.3% vs 23.1%) than patients from OEC. Moreover, relatively fewer patients in BeNe were prescribed the reduced dose of 30 mg edoxaban (14.8%) than in OEC (25.4%). Overall, edoxaban was dosed according to label in 83.1% of patients. Yet, 30 mg edoxaban was prescribed in the absence of any dose reduction criteria in 36.9% of 30 mg users (5.5% of all patients) in BeNe compared with 35.5% (9.0% of all patients) in OEC.ConclusionThere were several notable differences between BeNe and OEC regarding clinical characteristics and dosing practices in patients prescribed edoxaban, which are relevant for the local implementation of dose evaluation and optimisation.Trial registrationNCT02944019; Date of registration 24 October 2016.

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