I de tilfælde hvor den systemiske lækage var større end 2% (observeret hos 13 ud af 51 patienter) var de systemiske koncentrationer af tasonermin stadig mindst 10 x mindre end i perfusionskredsløbet.
Under conditions of greater than 2% systemic leakage (observed in 13 of 51 patients) maximum systemic concentrations of tasonermin were still at least ten times lower than in the perfusion circuit.