Check Closely (1)pentobarbital will reduce the level or effect of glecaprevir/pibrentasvir by influencing hepatic/intestinal enzyme CYP3A4 metabolism.Check Closely (1)pentobarbital will reduce the extent or influence of exemestane by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on. For individuals acquiring exemest