ArticleCatheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions2025
Edoxaban Monotherapy and Incidence of Transcatheter Heart Valve Leaflet Thrombosis - The Rotterdam Edoxaban (REDOX) Study.
Article in Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Subclinical Leaflet Thrombosis and Subclinical Aortic Valve Complex Thrombosis in TAVR.JACC. Advances · 2025Review
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13 authors.
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Abstract
backgroundTrials comparing non-vitamin K oral anticoagulant (NOAC) versus antiplatelet-based strategies have shown a reduction of subclinical leaflet thrombosis at the cost of increased mortality and major-bleedings. NOACs were often combined with antiplatelet therapy.
aimsThe Rotterdam Edoxaban (REDOX) study aimed to evaluate the impact of edoxaban monotherapy on the incidence of hypo-attenuated leaflet thickening (HALT) and reduced leaflet motion (RLM) and to evaluate safety in terms of mortality, thromboembolic events and major bleeding.
methodsThe REDOX study is a single-arm, open-label trial including patients after successful transcatheter aortic valve implantation (TAVI) with no formal indication for oral anticoagulation or dual antiplatelet therapy. Patients received edoxaban monotherapy for 3 months, followed by multislice computed tomography (MSCT). The primary endpoint was the occurrence of HALT. Clinical follow-up continued up to 1 year after TAVI.
resultsWe included 58 patients, of which 50 reached study completion including MSCT scanning and eight withdrew consent before end of study. At 3-months follow-up, HALT of any grade was detected in 12.0% (95% confidence interval (CI): 5.0%-23.1%) of patients. HALT grade ≥ 3 occurred in 4.0% (95% CI: 0.8%-12.2%) of patients. At 1 year follow-up, all patients were alive and free of disabling strokes. Three patients had a non-disabling stroke and one patient had a major bleeding.
conclusionsIn the REDOX study, edoxaban monotherapy after TAVI was associated with a 12.0% incidence of any HALT and a 4.0% incidence of HALT grade ≥ 3. HALT was not associated with clinical events.
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