New Blood Thinner May Help Prevent Leg Clots, Study Finds - Drugs.com MedNews

In continuation of my update on apixaban....

We know that, Apixaban (BMS-562247-01, tradename Eliquis) is an anticoagulant for the prevention of venous thromboembolism and venous thromboembolic events. It is a direct factor Xa inhibitor. Apixaban has been available in Europe since May 2012 and was approved for preventing venous thromboembolism after elective hip or knee replacement.^[1] An FDA decision on apixaban for the prevention of stroke and systemic embolism in patients with nonvalvular atrial fibrillation was expected on June 28, 2012, but was delayed. It is being developed in a joint venture by Pfizer and Bristol-Myers Squibb.

New Blood Thinner May Help Prevent Leg Clots, Study Finds - Drugs.com MedNews

FDA Approves Xarelto (rivaroxaban) to Prevent Deep Vein Thrombosis

We  know that, Rivaroxaban (structure below BAY 59-7939) is an oral anticoagulant invented and manufactured by Bayer; in a number of countries it is marketed as Xarelto. In the United States, it is marketed by Janssen Pharmaceuticals. It is the first available orally active direct factor Xa inhibitor. Rivaroxaban is well absorbed from the gut and maximum inhibition of factor Xa occurs four hours after a dose. The effects lasts 8–12 hours, but factor Xa activity does not return to normal within 24 hours so once-daily dosing is possible....

Now FDA Approves Xarelto (rivaroxaban) to Prevent Deep Vein Thrombosis in Patients Undergoing Knee or Hip Replacement Surgery....

More....

Positive Results from Chronic Study of Rivaroxaban (anticoagulant drug)...

Rivaroxaban, is an oral anticoagulant invented and manufactured by Bayer; in a number of countries it is marketed as Xarelto. If approved by the United States FDA, it will be marketed by Ortho-McNeil Pharmaceutical. It is the first available orally active direct inhibitor of coagulation Factor Xa. Rivaroxaban is well absorbed from the gut and maximum inhibition of factor Xa occurs three hours after a dose. The effects lasts 8–12 hours, but factor Xa activity does not return to normal within 24 hours so once-daily dosing is possible.

Rivaroxaban is undergoing review by the FDA, On March 19, 2009, an advisory panel recommended FDA approval of rivaroxaban 10 mg once daily for use in patients undergoing hip or knee replacement surgery. The advisory panel concluded that the record trials demonstrate that rivaroxaban is non-inferior and possibly superior to subcutaneous enoxaparin 40 mg once daily. However, they also found an increased risk of bleeding with rivaroxaban and did not address the question of long-term (i.e. > 35 days) use. The advisory panel noted that 1 participant out of 6183 randomized to rivaroxaban died of liver toxicity.....

Source :http://abstracts.hematologylibrary.org/cgi/content/abstract/112/11/436?maxtoshow=&HITS=50&hits=50&RESULTFORMAT=&searchid=1&FIRSTINDEX=0&displaysectionid=Oral+Session&fdate=1/1/2008&tdate=12/31/2008&resourcetype=HWCIT