Pentobarbital will decrease the level or effect of alfentanil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of buspirone by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of osilodrostat by affecting hepatic/intestinal enz... https://express-page.com/story5727782/nuovo-step-by-step-map-per-pentobarbital-brand-name