pentobarbital will lessen the extent or effect of diazepam by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe.diazepam will improve the level or outcome of tazemetostat by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on.As soon as acute symptomatology continues to be adequately manage