pentobarbital will decrease the level or effect of mifepristone samhälle affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inducers have anmärkning been studied, coadministration anmärkning recommended ort manufacturerpentobarbital increases effects of ifosfamide by affecting hepatic enzyme CYP2B6 metabolism. Use