Preventing de Novo Portal Vein Thrombosis With Antithrombin-III in Patients With Cirrhosis

"Patients with reversal of flow or sluggish flow in the main portal vein (\<15 cm/s by Doppler ultrasound exam) will be enrolled and randomized to either weekly infusions of AT-III (half-life \~4 days) at a weight-based dosage according to the following formula:~\[Desired level of AT (100%) - Subject level of AT (%)\] \* subject weight (kg) 1.4~or placebo for 24 weeks of therapy."

No study drug