NCT05679024 Stroke Prophylaxis With Apixaban in Chronic Kidney Disease Stage 5 Patients With Atrial Fibrillation

Eligibility & Interventions

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This trial targets 1,400 participants in total. It began in 2023-02-17 with a primary completion date of 2027-12-31.

Brief Summary

Objective: To study the efficacy and safety of apixaban as stroke prophylaxis in patients with chronic kidney disease (CKD) stage 5 and atrial fibrillation (AF) with or without dialysis treatment. The study hypothesis is that compared to no anticoagulation, apixaban reduces the incidence of ischemic stroke without causing an unacceptable increase in fatal or intracranial bleeding events. The secondary objectives are to evaluate the risk of all-cause mortality, cardiovascular events, and major bleeding in people with CKD stage 5 and AF treated with apixaban compared to standard of care without anticoagulation. Trial design: Pragmatic Prospective Open Label Randomized Controlled Clinical Trial, phase 3b over 12-72 months. Trial population: 1000-1400 patients at ≈50 sites in Sweden, Finland, Norway, Iceland and Poland Eligibility criteria: Adults ≥18 years with CKD stage 5 (ongoing treatment with any chronic dialysis treatment OR an estimated glomerular filtration rate (eGFR)\* \<20 ml/min/1.73 m2 at least twice 3 months apart of which at least one occasion is \<15 ml/min/1.73 m2 due to CKD during the last 12 months) and a diagnosis of chronic, paroxysmal, persistent, or permanent AF or atrial flutter (AFL) with CHA2DS2-VASc score ≥2 for men or ≥3 or more for women as an indication for oral anticoagulation. The exclusion criteria are AF or AFL due to reversible causes, rheumatic mitral stenosis or moderate-to-severe non-rheumatic mitral stenosis at the time of inclusion into the study, a condition other than AF or AFL that requires chronic anticoagulation, contraindications for anticoagulation, active bleeding or serious bleeding within 3 months, planned for surgery within 3 months, and current use of strong inhibitors of both CYP3A4 and P-glycoprotein. Interventions: Randomization 1:1 to treatment with apixaban 2.5 mg twice daily and standard of care, or standard of care and no anticoagulation. Outcome measures: primary efficacy (time to first ischemic stroke); primary safety (the composite of time to first intracranial bleeding or fatal bleeding); secondary efficacy (time to all-cause mortality, time to cardiovascular event or cardiovascular death); secondary safety (time to first major bleeding according to International Society on Thrombosis and Hemostasis (ISTH) criteria)

Eligibility Criteria

Inclusion Criteria: 1. Signed Written Informed Consent 2. 18 years of age or older 3. Ongoing treatment with any chronic dialysis treatment OR an estimated glomerular filtration rate (eGFR)\* \<20 ml/min/1.73 m2 at least twice 3 months apart of which at least one occasion is \<15 ml/min/1.73 m2 due to CKD during the last year (12 months). 4. Diagnosis of chronic (i.e., repeated) paroxysmal, persistent, or permanent atrial fibrillation (AF) or atrial flutter (AFL) 5. CHA2DS2-VASc score ≥2 or more for men ≥3 or more for women as an indication for oral anticoagulation 6. Women of childbearing potential (WOCBP) should have a negative highly effective pregnancy test at screening and must agree to follow instructions for method(s) of contraception for the duration of treatment Exclusion Criteria: Participants may not be included in the study if any of the following criteria are met: 1. AF or AFL due to reversible causes (e.g., thyrotoxicosis, pericarditis) 2. Any degree of rheumatic mitral stenosis or moderate-to-severe non-rheumatic mitral stenosis at the time of inclusion into the study 3. Any condition other than AF or AFL that requires chronic anticoagulation (e.g., a prosthetic mechanical heart valve, antiphospholipid syndrome). 4. Any contraindication for anticoagulation including 1. endocarditis 2. documented intolerance for apixaban 3. liver disease with documented coagulation disorder 4. pregnancy or breast feeding 5. Active bleeding or serious bleeding within 3 months, or 1. documented hemorrhagic blood dyscrasia 2. patients currently receiving dual antiplatelet therapy 6. Planned for surgery 1. kidney transplantation with a living donor within 3 months 2. active on the kidney transplant waiting list at a kidney transplant center where apixaban use is prohibited 3. valvular heart disease surgery 7. Current use of strong inhibitors of both CYP3A4 and P-glycoprotein in accordance with the summary of product characteristics (SmPC) of apixaban or regular intake of non-steroidal anti-inflammatory drugs (NSAID) or cyclooxygenase-2 (COX2) inhibitors 8. Any condition or circumstance in which the patient should not participate in the study according to the study investigator (reason documented in the pre-screening protocol) Being active on the kidney transplant waiting list is not an exclusion criterion if it is allowed according to the current clinical guidelines at the transplant clinic where the patient is registered. The patient must report changes in waiting list status to the investigator promptly.

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