A phase II, single arm, open label study of treatment-free remission in Chronic Myeloid Leukemia (CML) chronic phase (CP) patients after achieving sustained MR4.5 on nilotinib

The purpose of this study is to determine the rate of successful treatment-free remission (TFR) within the first 48 weeks following cessation of treatment in patients who achieved and maintained a molecular response (MR) 4.5 on nilotinib after a switch from imatinib. TFR phase is often referred to as discontinuation phase in other studies.