NOACs Flashcards
Target of Warfarin
Vitami K epoxide reductase
Target of Dabigatran
Thrombin
Target of Rivaroxaban
Factor Xa
Target of Apixaban
Factor Xa
Target of Edoxaban
Factor Xa
Oral bioavailability of NOACs and warfarin
Dabigatran 6-7% Rivaroxaban 80% Apixaban 50% Edoxaban 62% warfarin 99%
Time for Peak Concentration NOACs and warfarin
Warfarin 48-72 hrs Dabigatran 2-3 hrs Rivaroxaban 2.5-4 hrs Apixaban 3-4 hrs Edoxaban 1-2 hrs
Metabolism or elimination of NOACs and warfarin
Warfarin via Cytochrome P450
Dabigatran Via P-Glucuprotein transporter/ 80% renal excretion
Rivaroxaban via cytochrome P450. via P Glucoprotein transporter / 33% renal excretion
Apixaban via cytochrome P450 via P glucoprotein transporter/ 27% renal excretion
Edoxaban via cytochrome P450 / via P Glucoprotein transporter/ 50% renal excretion
Dosing Dabigatran
150mg BID
Dosing Rivaroxaban
20mg once daily
Dosing Apixaban
5 mg BID