 - Received potent CYP1A2 or CYP3A4 inducer andor inhibitor including but not limited following drug: ketoconazole, rifampicin, atazanavir, Clarithromycin, indinavir, itraconazole, nelfinavir, saquinavir, telithromycin, voriconazole, grapefruit or grapefruit juice, rifabutin, phenytoin, Carbamazepine and phenobarbital. 