pentobarbital will lower the level or result of mavacamten by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated.pentobarbital will lessen the extent or result of roflumilast by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. Coadministration not proposed; strong cytochrome P450 enzyme inducers reduce s