MRD +ve B-cell precursor ALL Patient ≥45 kg Induction cycle 1 & consolidation cycles 2-4 (fixed-dose): 28 mcg daily on days 1-28. Allow 14-day treatment-free interval on days 29-42,
<45 kg Induction cycle 1 & consolidation cycles 2-4 (BSA-based dose): 15 mcg/m
2 daily (max: 28 mcg daily) on days 1-28. Allow 14-day treatment-free interval on days 29-42.
Premed Adult Prednisone 100 mg IV (or dexamethasone 16 mg) 1 hr prior to 1st dose of each cycle.
Ped Dexamethasone 5 mg/m
2 IV/PO (max: 20 mg) prior to 1st dose in 1st cycle & when restarting infusion after ≥4 hr interruption in 1st cycle.
Relapsed or refractory B-cell precursor ALL Patient ≥45 kg Induction
cycle 1 (fixed-dose): 9 mcg daily on days 1-7; 28 mcg daily on days 8-28; allow 14-day treatment-free interval on days 29-42. Induction cycle 2 & consolidation cycles 3-5 (fixed dose): 28 mcg daily on days 1-28; allow 14-day treatment-free interval on days 29-42. Continued therapy cycle 6-9 (fixed dose): 28 mcg daily on days 1-28; allow 56-day treatment-free interval on days 29-84,
<45 kg Induction cycle 1 (BSA-based dose): 5 mcg/m
2 daily (max: 9 mcg daily) on days 1-7; 15 mcg/m
2 daily (max: 28 mcg daily) on days 8-28; allow 14-day treatment-free interval on days 29-42. Induction cycle 2 & consolidation cycles 3-5 (BSA-based dose): 15 mcg/m
2 daily (max: 28 mcg daily) on days 1-28; allow 14-day treatment-free interval on days 29-42. Continued therapy cycles 6-9 (BSA-based dose): 15 mcg/m
2 daily (max: 28 mcg daily) on days 1-28; allow 56-day treatment-free interval.
Premed Adult Dexamethasone 20 mg IV/PO 1 hr prior to the 1st dose of each cycle, prior to a step dose (eg, cycle 1 day 8) & when restarting infusion after ≥4 hr interruption.
Ped Dexamethasone 5 mg/m
2 IV/PO (max: 20 mg) prior to 1st dose in 1st cycle, step dose (eg, cycle 1 day 8) & when restarting infusion after ≥4 hr interruption in 1st cycle.
B-cell precursor ALL in the consolidation phase Patient ≥45 kg 28 mcg daily on days 1-28. Allow 14-day treatment-free interval on days 29-42,
<45 kg 15 mcg/m
2 daily (max: 28 mcg daily) on days 1-28. Allow 14-day treatment-free interval on days 29-42.
Premed Adult Dexamethasone 20 mg IV 1 hr prior to 1st dose of each cycle.
Ped Dexamethasone 5 mg/m
2 IV/PO (max: 20 mg) prior to 1st dose in 1st cycle & when restarting infusion after ≥4 hr interruption in 1st cycle.