pentobarbital will decrease the level or result of saxagliptin by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minimal/Importance Unknown.pentobarbital will reduce the extent or impact of bortezomib by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Check.CYP3A4 inducers could enhance the metabolism of clopidogrel to