pentobarbital will minimize the level or effect of larotrectinib by influencing hepatic/intestinal enzyme CYP3A4 metabolism.pentobarbital will lower the level or effect of doxorubicin by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.pentobarbital will minimize the level or effect of montelukast by impacting hepatic/in