According to the website:
www.kcentra.com, Kcentra is the first and only non-activated 4-factor prothrombin complex concentrate (4F-PCC) approved by the U.S. Food and Drug Administration (FDA). Kcentra is essentially a blood coagulation factor replacement product. It replaces the depleted clotting proteins and reverses the effect of warfarin which is a Vitamin K antagonist used as an anticoagulant. It is a [...]