March 19 is match day for 4th year medical students. It's also the day when the FDA Panel is supposed to review the anticoagulant rivaroxaban (also known as BAY 59-7939 or Xarelto). It is an oral, direct Factor Xa inhibitor (I don't think I'll ever forget that coagulation cascade diagram that I learned in medical school). If approved, this drug could shut down all those coumadin (warfarin) clinics out there that monitor blood INR in people taking this vitamin K antagonist. Rivaroxaban would not require any blood monitoring. Plus, all those home INR tests manufacturers would need to look for something new to do.
I think everyone is wondering how the FDA will react to this new medication. If approved by the FDA, rivaroxaban will be sold in the US for short-term use as a prophylactic anticoagulant for patients undergoing knee- and hip-replacement surgeries. I'm sure the drug manufacturers will go for additional indications later on. Rivaroxaban is manufactured by Bayer and will be marketed by Ortho-McNeil Pharmaceutical which is a Johnson & Johnson group.
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