With intramuscular and subcutaneous administration of the recommended dose a drug Sodium Nucroseospermate quickly enters the bloodstream.Its concentration in the blood rises in a direct linear relationship. The time to achieve Cmax with a single administration is 0.5 hours. T1 / 2 - about 60 hours. After 24 hours a rapid decrease in the concentration of the drug in the blood, associated with its distribution in organs and tissues, begins. Redistribution of the drug between the plasma and the formed elements of the blood occurs in parallel with its metabolism and excretion. Graduallye removal of the drug from the blood occurs in the time interval from 2 to 8 days from the moment of administration.
With repeated administration of the drug every 24 hours for 5 days there is a process of its accumulation in the blood and bone marrow from only the first four doses. In other proliferating tissues, the total drug concentration Sodium Nucroseospermate increases after the fifth dose administered. 8 days after the 5th administration of the drug the concentration is significantly reduced in all organs and tissues, but it exceeds the concentration achieved with a single administration and sufficient for the therapeutic effect of the drug.
The main route of drug transport Sodium Nucroseospermate is the endolymphatic pathway. The greatest tropicity to the drug is bone marrow, lymph nodes, spleen, thymus, kidneys. The drug passes hemato-encephalic barrier. It is excreted, including in the form of metabolites, mainly with urine and, in part, with feces. The half-elimination time for subcutaneous and intramuscular administration is 63 to 69 hours.
When administered intramuscularly during the first day, about 50% of the drug is excreted in the urine and 12.5% - with feces, with subcutaneous injection 37% and 3%.