Additional pharmacokinetic parameters for Helixate NexGen for bolus injection are: mean residence time [MRT (0-48)] of about 22 hours and clearance of about 160 ml/ h. Mean baseline clearance for 14 adult patients undergoing major surgeries with continuous infusion are 188 ml/ h corresponding to 3.0 ml/ h/ kg (range 1.6-4.6 ml/ h/ kg).