 - f. CYP3A4 inhibitors: Patients may not be currently receiving strong inhibitors of CYP3A4, and may not have received these medications within 1 week of entry. These include: Macrolide Antibiotics: clarithromycin, telithromycin, erythromycin, troleandomycin; Gastrointestinal prokinetic agents: cisapride, metoclopramide; Antifungals: itraconazole, ketoconazole, fluconazole, voriconazole, clotrimazole; Calcium channel blockers: verapamil, diltiazem, nicardipine; and, Other drugs: rifampin, bromocriptine, cimetidine, danazol, cyclosporine oral solution. 