Monitor therapy: naproxen < 500 mg per day is safe
Cyclooxygenase inhibitor (COX-2)
Monitor therapy
Cilostazol, dipyridamole, ticlopidine
Monitor therapy
Rifampin
Decrease efficacy via P-gp induction
Avoid combination
Carbamazepine, phenobarbital, primidone,
Monitor therapy
St. John’s Wort (Hypericum Perforatum)
Monitor therapy
Tipranavir
Monitor therapy
Verapamil, trandolapril, quinidine
Enhanced bleeding via P-gp inhibition
Decrease the dose of edoxaban to 30 mg daily for VTE treatment. No dose adjustment required for atrial fibrillation (AF) (i) Verapamil: AUC of edoxaban by 52.7% (ii) Quinidine: AUC of edoxaban by 76.7%
Diltiazem
Dose reduction may be necessary for treatment of Venous Thromboembolism (VTE); and monitor therapy
Decrease the dose of edoxaban to 30 mg daily for VTE treatment. No dose adjustment required for AF
Posaconazole
Dose reduction may be necessary for VTE
Lansoprazole, omeprazole
Decrease the dose of edoxaban to 30 mg daily for VTE treatment. No dose adjustment required for AF
Amiodarone (oral administration at 600 to 1600 mg per day: causes inhibition of intestinal P-gp efflux pump inhibition), dronaderone
Dose reduction may be necessary for treatment of VTE; and monitor therapy (i) Amiodarone: ↑ AUC of edoxaban by 39.8% (ii) Dronaderone ↑ AUC of edoxaban by 84.5%