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Abstract
Rivaroxaban (Xarelto), an oral direct factor Xa inhibitor, is approved for the initial treatment of deep vein thrombosis (DVT) and pulmonary embolism (PE), as well as the prevention of recurrent DVT and PE. It is administered at a fixed oral dose and does not require routine coagulation monitoring. In the EINSTEIN-DVT and EINSTEIN-PE trials, in over 8,000 patients with DVT and/or PE, a single-drug approach with rivaroxaban was shown to be noninferior to standard therapy consisting of subcutaneous enoxaparin sodium overlapping with and followed by an oral dose adjusted vitamin K antagonist with regard to the incidence of symptomatic recurrent venous thromboembolism (VTE) after 3, 6 or 12 months of treatment. Extended prophylaxis with rivaroxaban reduced the incidence of symptomatic recurrent VTE to a greater extent than placebo in the EINSTEIN-Extension trial, but was associated with a non-significant increase in the risk of clinically relevant bleeding compared with placebo. In conclusion, rivaroxaban is a reasonable alternative to standard therapy for the treatment of DVT and PE, and as extended thromboprophylaxis.