 10. Exclusion 8 continued: f. Category I drugs that are generally accepted to have a risk of causing Torsades de Pointes including: Patients must discontinue drug at least 7 days prior to starting dasatinib 1. quinidine, procainamide, disopyramide 2. amiodarone, sotalol, ibutilide, dofetilide 3. chlorpromazine, haloperidol, mesoridazine, thioridazine, pimozide 4. cisapride, bepridil, droperidol, arsenic, chloroquine, domperidone, halofantrine, levomethadyl, sparfloxacin, lidoflazine Other drugs permitted but use with caution include; 