A Study of Low Dose Lenalidomide and Dexamethasone in Relapsed/Refractory Myeloma in Patients at High Risk for Myelosuppression

15mg daily, days 1-21 of a 28 day cycle for 4 cycles. Patients who get stable disease or better will then receive 15mg on days 1-21 from cycle 5 onwards

20mg day 1-4, 9-12, 17-20 for 4 cycles. Patients who get stable disease or better will then get dexamethasone 20mg on days 1-4 of a 28 day cycle, from cycle 5 onwards

100mg/day