pentobarbital will lessen the level or influence of nitrendipine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unfamiliar.pentobarbital will minimize the level or effect of glecaprevir/pibrentasvir by affecting hepatic/intestinal enzyme CYP3A4 metabolism.pentobarbital will lessen the level or result of cinacalcet by i