Do you do maintenance therapy with amyloidosis?

Can someone be MRD negative but not in a complete remission?
BETA - What is immunofixation (IFE) and why is it an important test?
BETA - What is a Serum Protein Electrophoresis (SPEP)?
If you are MRD positive, should you continue to have MRD testing completed?
Is there a certain type of myeloma patient who would be more likely to develop amyloidosis?
Why is MRD testing important for patients to get done?