butabarbital will minimize the level or outcome of zaleplon by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Insignificant/Significance Unidentified.butabarbital will lessen the extent or outcome of sufentanil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown.butabarbital will lessen the extent or outco… Read More