PRIMARY OBJECTIVE:
I. Compare the overall survival between bortezomib, lenalidomide and dexamethasone (VRd), daratumumab, lenalidomide and dexamethasone (DRd) and daratumumab, bortezomib, lenalidomide and dexamethasone (DVRd) used as initial therapy for patients with newly diagnosed MM.
OUTLINE: This is an observational study.
Patients have their medical records reviewed on study.