pentobarbital will increase the degree or outcome of clopidogrel by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.Small (1)pentobarbital will decrease the extent or result of paclitaxel protein bound by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Insignificant/Importance Unfamiliar.Observe Closely (1)pentobar