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