<qa>  What is the name of the medication that is known to be strong inhibitors of CYP21. Treatment with medications known to be strong inhibitors of CYP3A45 e.g. ketoconazole, itraconazole, fluconazole, mibefradil, clarithromycin, erythromycin, diltiazem, verapamil, or regular use of grapefruit juice within 7 days prior to Day 1 visit. 