OUTLINE: Patients are grouped according to disease status (relapsed/refractory myeloma [closed to accrual as of 8/5/2008] vs lenalidomide resistant/refractory myeloma [closed to accrual as of 4/2/2009] vs previously treated light chain amyloidosis vs lenalidomide and bortezomib resistant/refractory myeloma {low-dose/day}[closed to accrual as of 11/20/09] vs lenalidomide and bortezomib resistant/refractory myeloma (high-dose/day) vs relapsed/refractory myeloma {high-dose/day}).