Table 2.
Rivaroxaban | Dabigatran | Dabigatran | Apixaban | |
---|---|---|---|---|
Name of phase III treatment trial | EINSTEIN-DVT | RE-COVER | RE-COVER II | AMPLIFY |
PE patients included | No | Yes | Yes | Yes |
Initial therapy with heparinoids | Warfarin arm only | Both arms | Both arms | Warfarin arm only |
Number of patients | 3449 | 2564 | 2568 | 5395 |
Study drug dosing schedule | 15mg twice daily for 3 weeks, then 20mg daily | 150mg twice daily | 150mg twice daily | 10mg twice daily for 7 days, then 5mg twice daily |
Primary outcome | Recurrent VTE | Recurrent VTE or VTE-related death | Recurrent VTE or VTE-related death | Recurrent VTE or VTE-related death |
Primary outcome rate (study drug vs. standard therapy, p value for noninferiority) | 2.1% vs 3.0% (p<0.001) | 2.4% vs 2.1% (p<0.001) | 2.4% vs 2.2% (p<0.0001) | 2.3% vs 2.7% (p<0.001) |
Major bleeding rate (study drug vs. standard therapy) | 0.8% vs 1.2% [HR 0.65, 95% CI 0.33–1.30] | 1.6% vs 1.9% [HR 0.82, 95% CI 0.45–1.48] | 1.2% vs 1.7%, [HR 0.69, 95% CI 0.36–1.32] | 0.6% vs 1.8% [RR 0.31, 95% CI 0.17–0.55; p<0.001 for superiority] |
CI: confidence interval; HR: hazard ratio; PE: pulmonary embolism; RR: relative risk; VTE: venous thromboembolism.