I henhold til studier på rotter om massebalance, vævsdistribution og helkrops - autoradioluminografi fordeles peginterferon alfa- 2a, udover at opkoncentreres i blodet, til lever, nyrer og knoglemarv.
From mass balance, tissue distribution and whole body autoradioluminography studies performed in rats, peginterferon alfa-2a is distributed to the liver, kidney and bone marrow in addition to being highly concentrated in the blood.