Alexion Pharmaceuticals, Inc.
ANTIDOTES TO FACTOR XA INHIBITORS

Abstract:

The present disclosure relates to antidotes to anticoagulants targeting factor Xa. The antidotes are factor Xa protein derivatives that bind to the factor Xa inhibitors thereby substantially neutralizing them but do not assemble into the prothrombinase complex. In one embodiment, the derivatives described herein lack or have reduced intrinsic coagulant activity.