Pentobarbital will decrease the level or effect of prednisone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of quinine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of saxagliptin by affecting hepatic/intestinal enzyme... https://bookmarkchamp.com/story20246421/5-semplici-tecniche-per-pentobarbital-natrium