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dialysis due to end-stage renal disease\n* Non-valvular paroxysmal, persistent, or permanent atrial fibrillation OR non-treated (for \\>2 months) prevalent paroxysmal, persistent or permanent atrial fibrillation as documented by an electrocardiogram or an episode of ≥30 seconds on Holter monitor, or episodes ≥ 6 minutes on event recorders or any other recording device.\n* Competence to understand the study rationale, including potential risks and benefits associated with treatment, necessary for written informed consent.\n\nExclusion Criteria:\n\n* CHA2DS2-VASc Score ≤1\n* Other indications for oral anticoagulation treatment (pulmonary embolism \\\u003C 6 months, deep vein thrombosis \\\u003C3 months, mechanical heart valve prosthesis) irrespective of whether treatment is implemented\n* Ongoing dual antiplatelet treatment\n* Malignancy (with exception of non-melanoma skin cancer) with recent \\\u003C 1 year, ongoing, or planned curative, or palliative chemo- , radiation-, and\u002For scheduled surgical therapy\n* Endoscopy with gastrointestinal ulcer \\\u003C1 month\n* Esophageal varices\n* Autoimmune og genetic coagulation disorders\n* Congenital alactasia, Lapp Lactase deficiency or glucose-galactose malabsorption\n* Pending spinal tap\n* Cerebrovascular malformations\n* Arterial aneurysms\n* Ulcers or wounds (Wagner grad \\>1)\n* Bacterial endocarditis \\\u003C 3 months\n* Active bleeding contraindicating anticoagulation\n* Any non-elective and\u002For non-ambulant surgery \\\u003C7 days\n* Cerebral hemorrhage \\\u003C4 weeks\n* Thrombocytopenia (platelet count \\\u003C100 × 109\u002FL) \\\u003C30 days.\n* Severe liver insufficiency (spontaneous international normalized ratio \\>1.5) \\\u003C30 days.\n* Known intolerance to warfarin\n* Use of hypericum perforatum \u002F St. John's Wort\n* Uncontrolled hypertension (repeat blood pressure \\>180\u002F110 mmhg) \\\u003C 30 days\n* Uncontrolled hyperthyroidism (thyroid-stimulating hormone \\\u003C0.1μIU\u002FmL) \\\u003C30 days\n* Pregnancy or lactation\n* Participation in other ongoing intervention trials adjudged to influence study outcomes","ALL","18 Years",{"count":257,"type":258},718,"ESTIMATED","INTERVENTIONAL",[261],"PHASE4","The study aims to evaluate the appropriateness of initiating oral anticoagulation for stroke risk reduction in dialysis populations with atrial fibrillation. Specifically, the study will assess the overall safety, tolerability, and efficacy of initiating treatment with Warfarin in patients with end-stage renal disease on dialysis and atrial fibrillation.",[264,265,266,267],"Atrial Fibrillation and Flutter","Stroke","Major Bleed","End-stage Renal Disease","2026-05-17",{"date":270,"type":271},"2026-05-19","ACTUAL",{"date":273,"type":271},"2019-10-09",{"date":275,"type":258},"2027-01",{"name":241,"class":6},13]