-Patient is currently enrolled in a Novartis-sponsored, Oncology Clinical Development & Medical Affairs study receiving nilotinib and has fulfilled all their requirements in the parent study -Patient is currently benefiting from the treatment with nilotinib, as determined by the investigator -Patient has demonstrated compliance, as assessed by the investigator, with the parent study protocol requirements -Willingness and ability to comply with scheduled visits, treatment plans and any other study procedures -Written informed consent obtained prior to enrolling in roll-over study