Phenobarbital will lower the level or influence of bortezomib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Observe. elvitegravir/cobicistat/emtricitabine/tenofovir DF will increase amounts of bortezomib by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nelfinavir will enhance the level or outcome of bortezomib by impacting hepatic/intestinal enzyme CYP... https://chalcone-413579.blogdomago.com/26348577/new-step-by-step-map-for-lenvatinib