mifepristone will enhance the amount or outcome of modafinil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.Teens and kids young than 17 years of age—Use and dose should be determined by your doctor.modafinil will lessen the extent or effect of fruquintinib by impacting hepatic/intestinal enzyme CYP3A4 metab