Efficacy and Safety of TKIs' Withdrawal After a Two-step Dose Reduction in Patients with Chronic Myeloid Leukemia

withdrawal of imatinib after previous two-step dose reduction: during the first 6 months after study entry, the dose of imatinib is 50% of the standard dose (200 mg daily), during the second 6 months after study entry, the dose of imatinib is 200 mg every other day; 12 months after study entry, imatinib is discontinued, the patient is followed in line with the aims of the trial

withdrawal of dasatinib after previous two-step dose reduction: during the first 6 months after study entry, the dose of dasatinib is 50% of the standard dose (40 mg daily; tablets containing 50 mg are not available on the market), during the second 6 months after study entry, the dose of dasatinib is 40 mg every other day; 12 months after study entry, dasatinib is discontinued, the patient is followed in line with the aims of the trial

withdrawal of nilotinib after previous two-step dose reduction: during the first 6 months after study entry, the dose of nilotinib is 50% of the standard dose (200 mg every 12 hours), during the second 6 months after study entry, the dose of nilotinib is 400 mg every other day; 12 months after study entry, nilotinib is discontinued, the patient is followed in line with the aims of the trial