pentobarbital will lower the extent or effect of tamoxifen by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep track of.pentobarbital decreases consequences of sufentanil SL by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Observe Closely. Coadministration of CYP3A4 inducers may well decrease sufenta