Pentobarbital will decrease the level or effect of vinblastine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of nateglinide by affecting hepatic enzyme CYP2C9/10 metabolism. Use Caution/Monitor. pentobarbital will decrease the level or effect of glecaprevir/pibrentasvir by affecting hepatic/intesti... https://atozbookmarkc.com/story20514330/i-pentobarbital-icp-diaries