Drotrecogin alfa (aktiveret) og endogent humant aktiveret protein C bliver inaktiveret i plasma af endogene proteasehæmmere, men mekanismen for eliminationen fra plasma er ukendt.
Drotrecogin alfa (activated) and endogenous human Activated Protein C are inactivated in plasma by endogenous protease inhibitors but the mechanism by which they are cleared from plasma is unknown.