Objective: The aim: To research the ef f ectiveness of cryopreserved blood plasma replacement therapy in patients with primary mannose binding lectin (MBL) def i ciency, suf f ering from chronic active herpes virus infections.
Patients And Methods: Materials and methods: Patients of the study group (SG) n= 36 additionally received cryopreserved blood plasma therapy Octaplas (Octapharma, Switzerland). Patients of the control group (CG) n=36 received only chemotherapy with Valganciclovir 450 mg 2/day per os for 1-3 months.