Table 1.
Dabigatran | Rivaroxaban | Apixaban | Edoxaban | |
---|---|---|---|---|
Mechanism | Thrombin (Factor II) inhibitor | Factor Xa inhibitor | Factor Xa inhibitor | Factor Xa inhibitor |
Bioavailability | 7% | >80% | 50% | 62% |
Peak level, h | 2–3 | 3 | 3–4 | 1–2 |
Half‐life, h | 12–17 | 5–13 | 10–14 | 10–14 |
Dosing | 150 mg b.i.d.; 110 mg b.i.d.a (75 mg b.i.d. for CrCl 15–30 mL/m) | 20 mg daily with food (15 mg for CrCl 15–50 mL/m) | 5 mg b.i.d. (2.5 mg b.i.d. if 2 of: Cr >1.5 mg/dL, age >80 years, wt <60 kg) | 60 mg daily; CrCl 50–95 mL/m (30 mg for CrCl 15–50 mL/m) |
Renal cleared, % | 80 | 36 | 25 | 50 |
Drug interactions | P‐gp inhibitors | CYP3A4 inhibitors and inducers | P‐gp and CYP3A4 inhibitors and inducers | P‐gp inhibitors |
Pharmacodynamic monitoring | Ecarin clotting time > thrombin time > aPTT and ACT | Direct Xa activity, PTT mildly prolonged | Direct Xa activity, PTT mildly prolonged | Direct Xa activity, PTT mildly prolonged |
When to stop presurgery | ≥24 h | ≥24 h | ≥24 h | ≥24 h |
Reversal agent | Idarucizumab | Andexanet alfaa | Andexanet alfaa | Andexanet alfaa |
Abbreviations: ACT, activated clotting time; aPTT, activated partial prothrombin time; b.i.d., twice daily; Cr, creatinine; CrCl, creatinine clearance; CYP3A4, cytochrome P450 3A4; NOAC, new oral anticoagulant; P‐gp, P‐glycoprotein; PTT, partial prothromboplastin time; wt, weight.
Not commercially available in the United States.