Lenalidomide Maintenance, Observation, Immunomodulators (IMiD), Newly Diagnosed Multiple Myeloma (NDMM), Phase 3
### Instruction:
Identify the study with the following condition. 
### Input:
Lenalidomide Maintenance, Observation, Immunomodulators (IMiD), Newly Diagnosed Multiple Myeloma (NDMM), Phase 3 
### Output:
Popular Name is Myeloma XI, Study ID is NCT01554852