elranatamab will boost the stage or result of fentanyl transdermal by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Monitor. Elranatamab causes cytokine launch syndrome (CRS) that may suppress action of CYP enzymes, causing elevated publicity of CYP substrates.brivaracetam and fentanyl transdermal each increase sedation. Stay a