In combination w/ dexamethasone Administer as 30-min IV infusion once or 2 consecutive days wkly for 3 wk followed by 12-day rest period. Each 28-day period is considered 1 treatment cycle. Once wkly: Initially 20 mg/m
2 on day 1 of cycle 1. If tolerated, escalate dose to 70 mg/m
2 on days 8 & 15. Cycle 2 onwards: 70 mg/m
2 on days 1, 8 & 15. Take dexamethasone 40 mg PO/IV 30 min-4 hr before treatment on days 1, 8 &15 of all cycles & on day 22 of cycles 1-9. Twice wkly: Initially 20 mg/m
2 on days 1 & 2 of cycle 1. If tolerated, escalate dose to 56 mg/m
2 on days 8, 9, 15 & 16 of cycle 1. Take dexamethasone 20 mg PO/IV 30 min-4 hr before treatment on days 1, 2, 8, 9, 15, 16, 22 & 23 of each 28-day cycle.
In combination w/ lenalidomide & dexamethasone Administer as 10-min IV infusion on days 1, 2, 8, 9, 15 & 16 of each 28-day cycle in combination w/ lenalidomide & dexamethasone until cycle 12. Recommended starting dose: 20 mg/m
2 on days 1 & 2 of cycle 1. If tolerated, escalate dose to 27 mg/m
2 on day 8 of cycle 1. From cycle 13, administer on days 1, 2, 15 & 16 until cycle 18. Discontinue after cycle 18. Take lenalidomide 25 mg PO on days 1-21 & dexamethasone 40 mg PO/IV on days 1, 8, 15 & 22 of 28-day cycles.