- At least 7 days since prior and concurrent CYP3A4 inhibitors, including any of the following: azole antifungals (e.g., ketoconazole, itraconazole), verapamil, clarithromycin, HIV protease inhibitors (e.g., indinavir, saquinavir, ritonavir, atazanavir, nelfinavir), erythromycin, delavirdine, diltiazem,