pentobarbital will reduce the extent or impact of buprenorphine buccal by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Check.pentobarbital will decrease the extent or effect of repaglinide by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Monitor.pentobarbital will lower the extent or result of abirateron