 - Current use or anticipated need for food or drugs that are known strong CYP3A4 inhibitors i.e. grapefruit juice, verapamil, ketoconazole, miconazole, itraconazole, posaconazole, erythromycin, clarithromycin, telithromycin, indinavir, saquinavir, ritonavir, nelfinavir, lopinavir, atazanavir, amprenavir, fosamprenavir, nefazodone, diltiazem, and delavirdine or inducers i.e. dexamethasone, glucocorticoids, progesterone, rifampin, phenobarbital, St. Johns wort 