I humane vaskede blodlegemer forekom hæmolyse også med ikke- kommercielle formuleringer af fosaprepitant ved koncentrationer på 2, 3 mg/ ml og højere, selvom tests af humant blod var negative.
In human washed blood cells also evidence of hemolysis was found with non-commercial formulations at fosaprepitant concentrations of 2.3 mg/ ml and higher, although tests in human whole blood were negative.