Table 1.
Drug, trial | Dabigatran RE-LY [22, 48] | Rivaroxaban ROCKET [23, 49] | Apixaban ARISTOTLE [24, 50] |
---|---|---|---|
No. in sample | 18113 | 14264 | 18201 |
Treatment characteristics | |||
Experimental drug | Dabigatran 150 mg or 110 mg twice daily | Rivaroxaban 20 mg or 15 mg once daily | Apixaban 5 mg or 2.5 mg twice daily |
Experimental, n | 12091 | 7131 | 9120 |
High-dose | 6076 | 5624 | 8702 |
Low-dose | 6015 | 1597 | 428 |
Control drug | Warfarin dose-adjusted to INR 2-3, once daily | Warfarin dose-adjusted to INR 2-3, once daily | Warfarin dose-adjusted to INR 2-3, once daily |
Control, n | 6022 | 7133 | 9081 |
TTR (%) | |||
Mean | 64.4 | 55.2 | 62.2 |
Median | 67 | 58 | 66 |
Trial phase | III | III | III |
Design of randomised controlled trial | Multicentre, open-label PROBE |
Multicentre, double-blind | Multicentre, double-blind |
Adjudicating committee and blinded adjudication of outcomes | Yes | Yes | Yes |
Interim analysis, n | 2 | 1 | 1 |
Number of exclusion criteria | 14 | 31 | 19 |
Main efficacy outcome | Stroke and SEE | Stroke and SEE | Stroke and SEE |
Main analysis | Non-inferiority | Non-inferiority | Non-inferiority |
Non-inferiority margin | Relative risk < 1.46 | Relative risk < 1.46 | Relative risk < 1.38 |
Main population of analysis | Intent-to-treat | Per protocol | Intent-to-treat |
Main period of analysis | Until notification of study termination | On-treatment plus 2 days | Until notification of study termination |
Main safety outcome | Major bleeding | Clinically relevant bleeding | Major bleeding |
Main population of analysis | Safety population | Safety population | Safety population |
Main period of analysis | On-treatment plus 6 days* | On-treatment plus 2 days* | On-treatment plus 2 days* |
Jadad Score | 3 | 5 | 5 |
Median length follow-up (days) | 730 | 707 | 657 |
*After treatment discontinuation.
INR: international normalised ratio; PROBE: prospective, open-label, blinded endpoint; SEE: systemic embolic events; TTR: time in therapeutic range.