ArticleCirculation2023
Direct Oral Anticoagulants Versus Warfarin Across the Spectrum of Kidney Function: Patient-Level Network Meta-Analyses From COMBINE AF.
Article in Circulation, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers, 7 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
50 citing papers in PubMed, 7 syntheses or guidelines pooled it, 74 citations in OpenAlex.
- Direct oral anticoagulants versus vitamin K antagonists for atrial fibrillation patients on dialysis: A systematic review and meta-analysis of randomized controlled trials and real-world evidence.Journal of thrombosis and thrombolysis · 2026Pooled it
- Pooled it
- Efficacy and safety of apixaban versus vitamin K antagonists in patients with heartmate 3 fully magnetically levitated left ventricular assist device: a comprehensive meta-analysis.Journal of thrombosis and thrombolysis · 2025Pooled it
- Efficacy and safety of novel anticoagulant therapies in patients with chronic kidney disease-a systematic review and meta-analysis.Journal of nephrology · 2025Pooled it
- Safety and Effectiveness Outcomes between Apixaban Versus Vitamin K Antagonists in Atrial Fibrillation Patients on Dialysis.Reviews in cardiovascular medicine · 2024Pooled it
- Meta-analysis of outcomes following intravenous thrombolysis in patients with ischemic stroke on direct oral anticoagulants.BMC neurology · 2023Pooled it
- Direct oral anticoagulants for stroke prevention in patients with atrial fibrillation: A network meta-analysis of randomized trials.Indian heart journalPooled it
- Safety of Factor XI Inhibition With Abelacimab in Atrial Fibrillation by Kidney Function: A Prespecified Analysis of the AZALEA-TIMI 71 Randomized Clinical Trial.JAMA cardiology · 2025Trial
- Discontinuation of oral anticoagulants is common after catheter ablation in older patients with atrial fibrillation.European heart journal open · 2026Article
- A Survey on Anticoagulation Practices in Patients with Chronic Kidney Disease in Saudi Arabia.Journal of clinical medicine · 2026Article
- Triple Therapy With Rivaroxaban in Patients With Acute Myocardial Infarction and Prior Atrial Fibrillation.Pacing and clinical electrophysiology : PACE · 2026Article
- Managing bleeds on anticoagulant therapy: a practical guide for clinicians.European heart journal. Acute cardiovascular care · 2026Review
- Heterogeneity of Treatment Effect of DOACs vs Warfarin in Atrial Fibrillation.JACC. Advances · 2026Article
- A Cross-Sectional Study on Oral Anticoagulant Utilization and Adverse Drug Reactions at Teaching Hospital, Iran.Chonnam medical journal · 2026Article
- Direct Oral Anticoagulants Versus Warfarin in Patients with Atrial Fibrillation and Hypertrophic Cardiomyopathy: A Retrospective Cohort Study.American journal of cardiovascular drugs : drugs, devices, and other interventions · 2026Article
- Comparison of Bleeding Risks and All-Cause Death Between Warfarin and Direct Oral Anticoagulants in Patients With Atrial Fibrillation and Chronic Obstructive Pulmonary Disease: A Multicenter Retrospective Cohort StudyChronic obstructive pulmonary diseases (Miami, Fla.) · 2026Article
- Real-world outcomes of oral anticoagulation in patients with atrial fibrillation at high risk of both bleeding and stroke: observational evidence from three international registries from middle East, Europe and Asia-Pacific.Journal of thrombosis and thrombolysis · 2026Observational
- A multicenter prospective real-world cohort study of direct oral anticoagulant use for venous thromboembolism prophylaxis in nephrotic syndrome.BMC nephrology · 2026Observational
- What to do with key cardiovascular drugs when kidney function worsens?Clinical kidney journal · 2026Review
- The comparison of inflammation markers in patients with non-valvular atrial fibrillation using warfarin and switched to apixaban.Pakistan journal of medical sciences · 2026Article
Corrections and comments
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Authors and funding
13 authors at 7 institutions in 4 countries.
Funding
Abstract
backgroundThere is uncertainty surrounding the use of direct oral anticoagulants (DOACs) in patients with kidney dysfunction.
methodsUsing the COMBINE AF (A Collaboration Between Multiple Institutions to Better Investigate Non-Vitamin K Antagonist Oral Anticoagulant Use in Atrial Fibrillation) database (data from RE-LY [Randomized Evaluation of Long-term Anticoagulation Therapy], ROCKET AF [Rivaroxaban Once Daily Oral Direct Factor Xa Inhibition Compared With Vitamin K Antagonism for Prevention of Stroke and Embolism Trial in Atrial Fibrillation], ARISTOTLE [Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation], and ENGAGE AF-TIMI 48 [Effective Anticoagulation With Factor Xa Next Generation in Atrial Fibrillation-Thrombolysis in Myocardial Infarction 48]), we performed an individual patient-level network meta-analysis to evaluate the safety and efficacy of DOACs versus warfarin across continuous creatinine clearance (CrCl). A multivariable Cox model including treatment-by-CrCl interaction with random effects was fitted to estimate hazard ratios for paired treatment strategies (standard-dose DOAC, lower-dose DOAC, and warfarin). Outcomes included stroke and systemic embolism (S/SE), major bleeding, intracranial hemorrhage (ICH), and death.
resultsAmong 71 683 patients (mean age, 70.6±9.4 years; 37.3% female; median follow-up, 23.1 months), the mean CrCl was 75.5±30.5 mL/min. The incidence of S/SE, major bleeding, ICH, and death increased significantly with worsening kidney function. Across continuous CrCl values down to 25 mL/min, the hazard of major bleeding did not change for patients randomized to standard-dose DOACs compared with those randomized to warfarin (
conclusionsStandard-dose DOACs are safer and more effective than warfarin down to a CrCl of at least 25 mL/min. Lower-dose DOACs do not significantly lower the incidence of bleeding or ICH compared with standard-dose DOACs but are associated with a higher incidence of S/SE and death. These findings support the use of standard-dose DOACs over warfarin in patients with kidney dysfunction.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.