Treatment of blood components with the Mirasol PRT System has proven to be safe for patients and is not associated with increased rates and grades of adverse events in patients of hospitals in the Warsaw Region.

Background. The quality of platelet concentrates (PCs) is affected by preparation, storage, the type of container, and pathogen reduction technology (PRT). The Mirasol® Pathogen Reduction Technology (PRT) system (Terumo BCT Inc., Lakewood, USA), which uses riboflavin and ultraviolet (UV) light, has recently been proven effective against bacteria, viruses, parasites, and leukocytes.