pentobarbital will lower the level or impact of fedratinib by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Stay clear of or Use Alternate Drug. Effect of coadministering a solid CYP3A4 inducer with fedratinib hasn't been examined.pentobarbital will lessen the level or result of irinotecan liposomal by impacting hepatic/intestinal enzyme C