Bendamustine + Pomalidomide + Dex in R/R Multiple Myeloma

Bendamustine will be administered intravenously over 1 hour (if using Treanda) or over 10 minutes (if using Bendeka) on day 1, every 28 days for 12 cycles.

Pomalidomide will be administered once daily orally (PO) on days 1-21, every 28 days until disease progression or death.

Dexamethasone will be administered weekly orally or intravenously on days 1, 8, 15, and 22 every 28 days until disease progression or death. After 6 cycles of treatment, the dose may be reduced to 20mg at investigator's discretion. For subjects ≥ 75 years of age, the starting dose of dexamethasone is 20 mg/day on Days 1, 8, 15 and 22 of each 28-day treatment cycle.