mifepristone will boost the amount or impact of modafinil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.carbamazepine will lower the extent or result of modafinil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.stiripentol will raise the level or influence of modafinil by impa