pentobarbital will decrease the level or effect of mifepristone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. CYP3A4 inducers have anmärkning been studied, coadministration kommentar recommended ort manufacturerpentobarbital decreases levels of panobinostat by affecting hepatic/intestinal enzyme CYP3A4 metabolism.